Clinical

Add patients with chronic kidney disease with or without diabetes to the growing list of people who get proven benefit from treatment with an SGLT2 inhibitor.

Courtesy European Society of Cardiology

In the DAPA-CKD trial, treatment with the SGLT2 inhibitor dapagliflozin (Farxiga) cut the incidence of substantially worsened chronic kidney disease by an average of 39% compared with placebo when added to standard treatment, with a number needed to treat of 19 to prevent one primary outcome event after a median of 2.4 years.

The level of benefit was similar in both the one-third of enrolled patients without diabetes and in the two-thirds with diabetes, showing a statistically significant 50% cut in the primary endpoint among patients without diabetes, Hiddo J.L. Heerspink, MD, reported at the virtual annual congress of the European Society of Cardiology.

“We found that dapagliflozin delayed the initiation of dialysis, and reduced the number of deaths,” regardless of diabetes status, Dr. Heerspink, of University Medical Centre Groningen, the Netherlands, said during a press conference. “DAPA-CKD trial has shown dapagliflozin’s potential as a long-awaited new treatment for patients with chronic kidney disease.”

This finding ushers in a “completely new era in chronic kidney disease management,” said Janani Rangaswami, MD, a nephrologist and cardiorenal syndrome specialist at Einstein Medical Center in Philadelphia. “It’s good news” for these patients.

The results showed that dapagliflozin is the first “game changing” drug for chronic kidney disease in 2 decades, following the introduction of angiotensin converting enzyme inhibitors and angiotensin receptor blockers, she said in an interview. And given the consistency of the findings with the results from several other studies that documented meaningful renal protection by several different SGLT2 inhibitors, the results from this single trial also convincingly establish dapagliflozin as a standard-of-care agent to use on the types of patients the study enrolled, she said in an interview.
 

Representing many real-world patients

The DAPA-CKD trial enrolled 4,304 patients with albuminuria based on having a urinary albumin-to-creatinine ratio of at least 200 mg/g, and an estimated glomerular filtration rate (eGFR) of 25-75 mL/min per 1.73 m² (with 90% of patients having an eGFR of less than 60 mL/min per 1.73 m²), and 97% were on treatment with a renin-angiotensin system–blocking drug. The primary endpoint was the combined rate of a drop in eGFR of at least 50% from baseline, progression to end stage renal disease, or renal or cardiovascular death; the between-group difference in this composite was driven primarily by both preserved eGFR and by prevention of end stage renal disease.

This represents both an appropriate target population, and meaningful endpoints, Dr. Rangaswami said. The study was “very representative of who we see in real-world practice,” a group that likely includes “hundreds of thousands” of U.S. patients with nondiabetic chronic kidney disease, she estimated.

Another notable finding was that 14% of the enrolled patients had eGFR values at baseline of 25-29 mL/min per 1.73 m², pegging them as having stage 4 chronic kidney disease, and the median baseline eGFR was 43 mL/min per 1.73 m², but dapagliflozin treatment was as safe and effective in these patients as it was in enrolled patients with a higher level of retained renal activity. This experience should give clinicians greater confidence about using dapagliflozin and other drugs in the sodium-glucose cotransporter (SGLT) 2 inhibitor class in patients with substantially depressed renal function, Dr. Rangaswami said.

“We now need to be more proactive about treating patients with more advanced kidney disease who can still benefit” from dapagliflozin treatment. “The sooner you intervene the better,” to slow further progression, but the new findings show “benefit even when treating patients with lower eGFRs. There is still hope to prevent or delay dialysis.”

A heart-kidney connection

Dapagliflozin treatment also cut all-cause mortality by a statistically significant, relative 31%, and another secondary-endpoint analysis showed a statistically significant 29% relative reduction in the rate of cardiovascular death or heart failure hospitalization, a benefit seen consistently in several prior studies of SGLT2 inhibitors, but possibly unexpected here because enrolled patients underwent no selection for a history of heart failure or any other cardiovascular disease. But the finding shouldn’t surprise, because “chronic kidney disease is an independent risk factor for cardiovascular disease across the board, and especially for heart failure,” noted Dr. Rangaswami.

“Heart and kidney disease is one big spectrum,” and the collected experience of several trials that have now proven the efficacy of SGLT2 inhibitors among patients with heart failure with reduced ejection fraction or with chronic kidney disease, regardless of their glycemic control, shows how broadly this drug class can benefit patients across the breadth of this spectrum, she said.

DAPA-CKD was funded by AstraZeneca, the company that markets dapagliflozin (Farxiga). Dr. Heerspink has been a consultant to and received research funding from AstraZeneca and from several other companies. Dr. Rangaswami had no disclosures.

mzoler@mdedge.com

Add patients with chronic kidney disease with or without diabetes to the growing list of people who get proven benefit from treatment with an SGLT2 inhibitor.

Courtesy European Society of Cardiology

In the DAPA-CKD trial, treatment with the SGLT2 inhibitor dapagliflozin (Farxiga) cut the incidence of substantially worsened chronic kidney disease by an average of 39% compared with placebo when added to standard treatment, with a number needed to treat of 19 to prevent one primary outcome event after a median of 2.4 years.

The level of benefit was similar in both the one-third of enrolled patients without diabetes and in the two-thirds with diabetes, showing a statistically significant 50% cut in the primary endpoint among patients without diabetes, Hiddo J.L. Heerspink, MD, reported at the virtual annual congress of the European Society of Cardiology.

“We found that dapagliflozin delayed the initiation of dialysis, and reduced the number of deaths,” regardless of diabetes status, Dr. Heerspink, of University Medical Centre Groningen, the Netherlands, said during a press conference. “DAPA-CKD trial has shown dapagliflozin’s potential as a long-awaited new treatment for patients with chronic kidney disease.”

This finding ushers in a “completely new era in chronic kidney disease management,” said Janani Rangaswami, MD, a nephrologist and cardiorenal syndrome specialist at Einstein Medical Center in Philadelphia. “It’s good news” for these patients.

The results showed that dapagliflozin is the first “game changing” drug for chronic kidney disease in 2 decades, following the introduction of angiotensin converting enzyme inhibitors and angiotensin receptor blockers, she said in an interview. And given the consistency of the findings with the results from several other studies that documented meaningful renal protection by several different SGLT2 inhibitors, the results from this single trial also convincingly establish dapagliflozin as a standard-of-care agent to use on the types of patients the study enrolled, she said in an interview.
 

Representing many real-world patients

The DAPA-CKD trial enrolled 4,304 patients with albuminuria based on having a urinary albumin-to-creatinine ratio of at least 200 mg/g, and an estimated glomerular filtration rate (eGFR) of 25-75 mL/min per 1.73 m² (with 90% of patients having an eGFR of less than 60 mL/min per 1.73 m²), and 97% were on treatment with a renin-angiotensin system–blocking drug. The primary endpoint was the combined rate of a drop in eGFR of at least 50% from baseline, progression to end stage renal disease, or renal or cardiovascular death; the between-group difference in this composite was driven primarily by both preserved eGFR and by prevention of end stage renal disease.

This represents both an appropriate target population, and meaningful endpoints, Dr. Rangaswami said. The study was “very representative of who we see in real-world practice,” a group that likely includes “hundreds of thousands” of U.S. patients with nondiabetic chronic kidney disease, she estimated.

Another notable finding was that 14% of the enrolled patients had eGFR values at baseline of 25-29 mL/min per 1.73 m², pegging them as having stage 4 chronic kidney disease, and the median baseline eGFR was 43 mL/min per 1.73 m², but dapagliflozin treatment was as safe and effective in these patients as it was in enrolled patients with a higher level of retained renal activity. This experience should give clinicians greater confidence about using dapagliflozin and other drugs in the sodium-glucose cotransporter (SGLT) 2 inhibitor class in patients with substantially depressed renal function, Dr. Rangaswami said.

“We now need to be more proactive about treating patients with more advanced kidney disease who can still benefit” from dapagliflozin treatment. “The sooner you intervene the better,” to slow further progression, but the new findings show “benefit even when treating patients with lower eGFRs. There is still hope to prevent or delay dialysis.”

A heart-kidney connection

Dapagliflozin treatment also cut all-cause mortality by a statistically significant, relative 31%, and another secondary-endpoint analysis showed a statistically significant 29% relative reduction in the rate of cardiovascular death or heart failure hospitalization, a benefit seen consistently in several prior studies of SGLT2 inhibitors, but possibly unexpected here because enrolled patients underwent no selection for a history of heart failure or any other cardiovascular disease. But the finding shouldn’t surprise, because “chronic kidney disease is an independent risk factor for cardiovascular disease across the board, and especially for heart failure,” noted Dr. Rangaswami.

“Heart and kidney disease is one big spectrum,” and the collected experience of several trials that have now proven the efficacy of SGLT2 inhibitors among patients with heart failure with reduced ejection fraction or with chronic kidney disease, regardless of their glycemic control, shows how broadly this drug class can benefit patients across the breadth of this spectrum, she said.

DAPA-CKD was funded by AstraZeneca, the company that markets dapagliflozin (Farxiga). Dr. Heerspink has been a consultant to and received research funding from AstraZeneca and from several other companies. Dr. Rangaswami had no disclosures.

mzoler@mdedge.com

Add patients with chronic kidney disease with or without diabetes to the growing list of people who get proven benefit from treatment with an SGLT2 inhibitor.

Courtesy European Society of Cardiology

In the DAPA-CKD trial, treatment with the SGLT2 inhibitor dapagliflozin (Farxiga) cut the incidence of substantially worsened chronic kidney disease by an average of 39% compared with placebo when added to standard treatment, with a number needed to treat of 19 to prevent one primary outcome event after a median of 2.4 years.

The level of benefit was similar in both the one-third of enrolled patients without diabetes and in the two-thirds with diabetes, showing a statistically significant 50% cut in the primary endpoint among patients without diabetes, Hiddo J.L. Heerspink, MD, reported at the virtual annual congress of the European Society of Cardiology.

“We found that dapagliflozin delayed the initiation of dialysis, and reduced the number of deaths,” regardless of diabetes status, Dr. Heerspink, of University Medical Centre Groningen, the Netherlands, said during a press conference. “DAPA-CKD trial has shown dapagliflozin’s potential as a long-awaited new treatment for patients with chronic kidney disease.”

This finding ushers in a “completely new era in chronic kidney disease management,” said Janani Rangaswami, MD, a nephrologist and cardiorenal syndrome specialist at Einstein Medical Center in Philadelphia. “It’s good news” for these patients.

The results showed that dapagliflozin is the first “game changing” drug for chronic kidney disease in 2 decades, following the introduction of angiotensin converting enzyme inhibitors and angiotensin receptor blockers, she said in an interview. And given the consistency of the findings with the results from several other studies that documented meaningful renal protection by several different SGLT2 inhibitors, the results from this single trial also convincingly establish dapagliflozin as a standard-of-care agent to use on the types of patients the study enrolled, she said in an interview.
 

Representing many real-world patients

The DAPA-CKD trial enrolled 4,304 patients with albuminuria based on having a urinary albumin-to-creatinine ratio of at least 200 mg/g, and an estimated glomerular filtration rate (eGFR) of 25-75 mL/min per 1.73 m² (with 90% of patients having an eGFR of less than 60 mL/min per 1.73 m²), and 97% were on treatment with a renin-angiotensin system–blocking drug. The primary endpoint was the combined rate of a drop in eGFR of at least 50% from baseline, progression to end stage renal disease, or renal or cardiovascular death; the between-group difference in this composite was driven primarily by both preserved eGFR and by prevention of end stage renal disease.

This represents both an appropriate target population, and meaningful endpoints, Dr. Rangaswami said. The study was “very representative of who we see in real-world practice,” a group that likely includes “hundreds of thousands” of U.S. patients with nondiabetic chronic kidney disease, she estimated.

Another notable finding was that 14% of the enrolled patients had eGFR values at baseline of 25-29 mL/min per 1.73 m², pegging them as having stage 4 chronic kidney disease, and the median baseline eGFR was 43 mL/min per 1.73 m², but dapagliflozin treatment was as safe and effective in these patients as it was in enrolled patients with a higher level of retained renal activity. This experience should give clinicians greater confidence about using dapagliflozin and other drugs in the sodium-glucose cotransporter (SGLT) 2 inhibitor class in patients with substantially depressed renal function, Dr. Rangaswami said.

“We now need to be more proactive about treating patients with more advanced kidney disease who can still benefit” from dapagliflozin treatment. “The sooner you intervene the better,” to slow further progression, but the new findings show “benefit even when treating patients with lower eGFRs. There is still hope to prevent or delay dialysis.”

A heart-kidney connection

Dapagliflozin treatment also cut all-cause mortality by a statistically significant, relative 31%, and another secondary-endpoint analysis showed a statistically significant 29% relative reduction in the rate of cardiovascular death or heart failure hospitalization, a benefit seen consistently in several prior studies of SGLT2 inhibitors, but possibly unexpected here because enrolled patients underwent no selection for a history of heart failure or any other cardiovascular disease. But the finding shouldn’t surprise, because “chronic kidney disease is an independent risk factor for cardiovascular disease across the board, and especially for heart failure,” noted Dr. Rangaswami.

“Heart and kidney disease is one big spectrum,” and the collected experience of several trials that have now proven the efficacy of SGLT2 inhibitors among patients with heart failure with reduced ejection fraction or with chronic kidney disease, regardless of their glycemic control, shows how broadly this drug class can benefit patients across the breadth of this spectrum, she said.

DAPA-CKD was funded by AstraZeneca, the company that markets dapagliflozin (Farxiga). Dr. Heerspink has been a consultant to and received research funding from AstraZeneca and from several other companies. Dr. Rangaswami had no disclosures.

mzoler@mdedge.com

Marilyn Stebbins, PharmD, fell ill at the end of February 2020. Initially diagnosed with multifocal pneumonia and treated with antibiotics, she later developed severe gastrointestinal symptoms, fatigue, and shortness of breath. She was hospitalized in early March and was diagnosed with COVID-19.

It was still early in the pandemic, and testing was not available for her husband. After she was discharged, her husband isolated himself as much as possible. But that limited the amount of care he could offer.

“When I came home after 8 days in the ICU, I felt completely alone and terrified of not being able to care for myself and not knowing how much care my husband could provide,” said Dr. Stebbins, professor of clinical pharmacy at the University of California, San Francisco.

“I can’t even imagine what it would have been like if I had been home alone without my husband in the house,” she said. “I think about the people who died at home and understand how that might happen.”

Dr. Stebbins is one of tens of thousands of people who, whether hospitalized and discharged or never admitted for inpatient care, needed to find ways to convalesce at home. Data from the Centers for Medicare & Medicaid Services show that, of 326,674 beneficiaries who tested positive for COVID-19 between May 16 and June 11, 2020, 109,607 were hospitalized, suggesting that two-thirds were outpatients.

Most attention has focused on the sickest patients, leaving less severe cases to fall through the cracks. Despite fever, cough, difficulty breathing, and a surfeit of other symptoms, there are few available resources and all too little support to help patients navigate the physical and emotional struggles of contending with COVID-19 at home.
 

No ‘cookie-cutter’ approach

The speed with which the pandemic progressed caught public health systems off guard, but now, “it is essential to put into place the infrastructure to care for the physical and mental health needs of patients at home because most are in the community and many, if not most, still aren’t receiving sufficient support at home,” said Dr. Stebbins.

Caring for COVID-19 patients at home begins with determining their individual needs, said Gary LeRoy, MD, a family physician in Dayton, Ohio. He emphasized that there is “no cookie-cutter formula” for home care, because every patient’s situation is different.

“I begin by having a detailed conversation with each patient to ascertain whether their home environment is safe and to paint a picture of their circumstances,” Dr. LeRoy, who is the president of the American Academy of Family Physicians, said in an interview.

Dr. LeRoy suggested questions that constitute “not just a ‘medical’ checklist but a ‘whole life’ checklist.”

• Do you have access to food, water, medications, sanitation/cleaning supplies, a thermometer, and other necessities? If not, who might assist in providing those?
• Do you need help with activities of daily living and self-care?
• Who else lives in your household? Do they have signs and symptoms of the virus? Have they been tested?
• Do you have enough physical space between you and other household members?
• Do you have children? How are they being cared for?
• What type of work do you do? What are the implications for your employment if you are unable to work for an extended period?
• Do you have an emotional, social, and spiritual support system (e.g., family, friends, community, church)?
• Do you have concerns I haven’t mentioned?

Patients’ responses will inform the management plan and determine what medical and social resources are needed, he said.
 

Daily check-in

Dr. Stebbins said the nurse case manager from her insurance company called her daily after she came home from the hospital. She was told that a public health nurse would also call, but no one from the health department called for days – a situation she hopes has improved.

One way or another, she said, “health care providers [or their staff] should check in with patients daily, either telephonically or via video.” She noted that video is superior, because “someone who isn’t a family member needs to put eyes on a patient and might be able to detect warning signs that a family member without healthcare training might not notice.”

Dr. LeRoy, who is also an associate professor of medicine at Wright State University, Dayton, Ohio, said that, given his time constraints, a nurse or medical assistant in his practice conducts the daily check-ins and notifies him if the patient has fever or other symptoms.

“Under ordinary circumstances, when a patient comes to see me for some type of medical condition, I get to meet the patient, consider what might be going on, then order a test, wait for the results, and suggest a treatment plan. But these are anything but ordinary circumstances,” said Matthew Exline, MD, a pulmonary and critical care specialist at the Ohio State University Wexner Medical Center, Columbus.

“That traditional structure broke down with COVID-19, when we may have test results without even seeing the patient. And without this interaction, it is harder to know as a physician what course of action to take,” he said in an interview.

Once a diagnosis has been made, the physician has at least some data to help guide next steps, even if there has been no prior meeting with the patient.

For example, a positive test raises a host of issues, not the least of which is the risk of spreading the infection to other household members and questions about whether to go the hospital. Moreover, for patients, positive tests can have serious ramifications.

“Severe shortness of breath at rest is not typical of the flu, nor is loss of taste or smell,” said Dr. Exline. Practitioners must educate patients and families about specific symptoms of COVID-19, including shortness of breath, loss of taste or smell, and gastrointestinal or neurologic symptoms, and when to seek emergency care.

Dr. LeRoy suggests buying a pulse oximeter to gauge blood oxygen levels and pulse rate. Together with a thermometer, a portable blood pressure monitor, and, if indicated, a blood glucose monitor, these devices provide a comprehensive and accurate assessment of vital signs.

Dr. LeRoy also educates patients and their families about when to seek medical attention.

Dr. Stebbins takes a similar approach. “Family members are part of, not apart from, the care of patients with COVID-19, and it’s our responsibility as healthcare providers to consider them in the patient’s care plan.”
 

Keeping family safe

Beyond care, family members need a plan to keep themselves healthy, too.

“A patient with COVID-19 at home should self-quarantine as much as possible to keep other family members safe, if they continue to live in the same house,” Dr. Exline said.

Ideally, uninfected family members should stay with relatives or friends. When that’s not possible, everyone in the household should wear a mask, be vigilant about hand washing, and wipe down all surfaces – including doorknobs, light switches, faucet handles, cellphones, and utensils – regularly with bleach or an alcohol solution.

Caregivers should also minimize the amount of time they are exposed to the patient.

“Set food, water, and medication on the night table and leave the room rather than spending hours at the bedside, since limiting exposure to viral load reduces the chances of contagion,” said Dr. Exline.

The Centers for Disease Control and Prevention offers guidance for household members caring for COVID-19 patients at home. It provides tips on how to help patients follow the doctor’s instructions and ways to ensure adequate hydration and rest, among others.

Patients with COVID-19 who live alone face more formidable challenges.

Dr. LeRoy says physicians can help patients by educating themselves about available social services in their community so they can provide appropriate referrals and connections. Such initiatives can include meal programs, friendly visit and financial assistance programs, as well as childcare and home health agencies.

He noted that Aunt Bertha, a social care network, provides a guide to social services throughout the United States. Additional resources are available on USA.gov.
 

Comfort and support

Patients with COVID-19 need to be as comfortable and as supported as possible, both physically and emotionally.

“While I was sick, my dogs curled up next to me and didn’t leave my side, and they were my saving grace. There’s not enough to be said about emotional support,” Dr. Stebbins said.

Although important, emotional support is not enough. For patients with respiratory disorders, such as chronic obstructive pulmonary disease, asthma, heart failure, or pneumonia, their subjective symptoms of shortness of breath, air hunger, or cough may improve with supplemental oxygen at home. Other measures include repositioning of the patient to lessen the body weight over the lungs or the use of lung percussion, Leroy said.

He added that improvement may also come from drainage of sputum from the airway passages, the use of agents to liquefy thick sputum (mucolytics), or aerosolized bronchodilator medications.

However, Dr. LeRoy cautioned, “one remedy does not work for everyone – an individual can improve gradually by using these home support interventions, or their respiratory status can deteriorate rapidly despite all these interventions.”

For this reason, he says patients should consult their personal physician to determine which, if any, of these home treatments would be best for their particular situation.

Patients who need emotional support, psychotherapy, or psychotropic medications may find teletherapy helpful. Guidance for psychiatrists, psychologists, and social workers regarding the treatment of COVID-19 patients via teletherapy can be found on the American Psychiatric Association, the American Psychological Association, and the National Association of Social Workers websites.

Pharmacists can also help ensure patient safety, Dr. Stebbins said.

If a patient has not picked up their usual medications, Dr. Stebbins said, “they may need a check-in call. Some may be ill and alone and may need encouragement to seek medical attention, and some may have no means of getting to the pharmacy and may need medications delivered.”

A home healthcare agency may also be helpful for homebound patients. David Bersson, director of operations at Synergy Home Care of Bergen County, N.J., has arranged in-home caregivers for patients with COVID-19.

The amount of care that professional caregivers provide can range from several hours per week to full-time, depending on the patient’s needs and budget, and can include companionship, Mr. Bersson said in an interview.

Because patient and caregiver safety are paramount, caregivers are thoroughly trained in protection and decontamination procedures and are regularly tested for COVID-19 prior to being sent into a client’s home.

Health insurance companies do not cover this service, Mr. Bersson noted, but the VetAssist program covers home care for veterans and their spouses who meet income requirements.

Caregiving and companionship are both vital pieces of the at-home care puzzle. “It was the virtual emotional support I got from friends, family, coworkers, and healthcare professionals that meant so much to me, and I know they played an important part in my recovery,” Dr. Stebbins said.

Dr. LeRoy agreed, noting that he calls patients, even if they only have mild symptoms and his nurse has already spoken to them. “The call doesn’t take much time – maybe just a 5-minute conversation – but it makes patients aware that I care.”

Dr. Stebbins, Dr. Exline, and Dr. LeRoy report no relevant financial relationships. Mr. Bersson is the director of operations at Synergy Home Care of Bergen County, New Jersey.

This story first appeared on Medscape.com.

Marilyn Stebbins, PharmD, fell ill at the end of February 2020. Initially diagnosed with multifocal pneumonia and treated with antibiotics, she later developed severe gastrointestinal symptoms, fatigue, and shortness of breath. She was hospitalized in early March and was diagnosed with COVID-19.

It was still early in the pandemic, and testing was not available for her husband. After she was discharged, her husband isolated himself as much as possible. But that limited the amount of care he could offer.

“When I came home after 8 days in the ICU, I felt completely alone and terrified of not being able to care for myself and not knowing how much care my husband could provide,” said Dr. Stebbins, professor of clinical pharmacy at the University of California, San Francisco.

“I can’t even imagine what it would have been like if I had been home alone without my husband in the house,” she said. “I think about the people who died at home and understand how that might happen.”

Dr. Stebbins is one of tens of thousands of people who, whether hospitalized and discharged or never admitted for inpatient care, needed to find ways to convalesce at home. Data from the Centers for Medicare & Medicaid Services show that, of 326,674 beneficiaries who tested positive for COVID-19 between May 16 and June 11, 2020, 109,607 were hospitalized, suggesting that two-thirds were outpatients.

Most attention has focused on the sickest patients, leaving less severe cases to fall through the cracks. Despite fever, cough, difficulty breathing, and a surfeit of other symptoms, there are few available resources and all too little support to help patients navigate the physical and emotional struggles of contending with COVID-19 at home.
 

No ‘cookie-cutter’ approach

The speed with which the pandemic progressed caught public health systems off guard, but now, “it is essential to put into place the infrastructure to care for the physical and mental health needs of patients at home because most are in the community and many, if not most, still aren’t receiving sufficient support at home,” said Dr. Stebbins.

Caring for COVID-19 patients at home begins with determining their individual needs, said Gary LeRoy, MD, a family physician in Dayton, Ohio. He emphasized that there is “no cookie-cutter formula” for home care, because every patient’s situation is different.

“I begin by having a detailed conversation with each patient to ascertain whether their home environment is safe and to paint a picture of their circumstances,” Dr. LeRoy, who is the president of the American Academy of Family Physicians, said in an interview.

Dr. LeRoy suggested questions that constitute “not just a ‘medical’ checklist but a ‘whole life’ checklist.”

• Do you have access to food, water, medications, sanitation/cleaning supplies, a thermometer, and other necessities? If not, who might assist in providing those?
• Do you need help with activities of daily living and self-care?
• Who else lives in your household? Do they have signs and symptoms of the virus? Have they been tested?
• Do you have enough physical space between you and other household members?
• Do you have children? How are they being cared for?
• What type of work do you do? What are the implications for your employment if you are unable to work for an extended period?
• Do you have an emotional, social, and spiritual support system (e.g., family, friends, community, church)?
• Do you have concerns I haven’t mentioned?

Patients’ responses will inform the management plan and determine what medical and social resources are needed, he said.
 

Daily check-in

Dr. Stebbins said the nurse case manager from her insurance company called her daily after she came home from the hospital. She was told that a public health nurse would also call, but no one from the health department called for days – a situation she hopes has improved.

One way or another, she said, “health care providers [or their staff] should check in with patients daily, either telephonically or via video.” She noted that video is superior, because “someone who isn’t a family member needs to put eyes on a patient and might be able to detect warning signs that a family member without healthcare training might not notice.”

Dr. LeRoy, who is also an associate professor of medicine at Wright State University, Dayton, Ohio, said that, given his time constraints, a nurse or medical assistant in his practice conducts the daily check-ins and notifies him if the patient has fever or other symptoms.

“Under ordinary circumstances, when a patient comes to see me for some type of medical condition, I get to meet the patient, consider what might be going on, then order a test, wait for the results, and suggest a treatment plan. But these are anything but ordinary circumstances,” said Matthew Exline, MD, a pulmonary and critical care specialist at the Ohio State University Wexner Medical Center, Columbus.

“That traditional structure broke down with COVID-19, when we may have test results without even seeing the patient. And without this interaction, it is harder to know as a physician what course of action to take,” he said in an interview.

Once a diagnosis has been made, the physician has at least some data to help guide next steps, even if there has been no prior meeting with the patient.

For example, a positive test raises a host of issues, not the least of which is the risk of spreading the infection to other household members and questions about whether to go the hospital. Moreover, for patients, positive tests can have serious ramifications.

“Severe shortness of breath at rest is not typical of the flu, nor is loss of taste or smell,” said Dr. Exline. Practitioners must educate patients and families about specific symptoms of COVID-19, including shortness of breath, loss of taste or smell, and gastrointestinal or neurologic symptoms, and when to seek emergency care.

Dr. LeRoy suggests buying a pulse oximeter to gauge blood oxygen levels and pulse rate. Together with a thermometer, a portable blood pressure monitor, and, if indicated, a blood glucose monitor, these devices provide a comprehensive and accurate assessment of vital signs.

Dr. LeRoy also educates patients and their families about when to seek medical attention.

Dr. Stebbins takes a similar approach. “Family members are part of, not apart from, the care of patients with COVID-19, and it’s our responsibility as healthcare providers to consider them in the patient’s care plan.”
 

Keeping family safe

Beyond care, family members need a plan to keep themselves healthy, too.

“A patient with COVID-19 at home should self-quarantine as much as possible to keep other family members safe, if they continue to live in the same house,” Dr. Exline said.

Ideally, uninfected family members should stay with relatives or friends. When that’s not possible, everyone in the household should wear a mask, be vigilant about hand washing, and wipe down all surfaces – including doorknobs, light switches, faucet handles, cellphones, and utensils – regularly with bleach or an alcohol solution.

Caregivers should also minimize the amount of time they are exposed to the patient.

“Set food, water, and medication on the night table and leave the room rather than spending hours at the bedside, since limiting exposure to viral load reduces the chances of contagion,” said Dr. Exline.

The Centers for Disease Control and Prevention offers guidance for household members caring for COVID-19 patients at home. It provides tips on how to help patients follow the doctor’s instructions and ways to ensure adequate hydration and rest, among others.

Patients with COVID-19 who live alone face more formidable challenges.

Dr. LeRoy says physicians can help patients by educating themselves about available social services in their community so they can provide appropriate referrals and connections. Such initiatives can include meal programs, friendly visit and financial assistance programs, as well as childcare and home health agencies.

He noted that Aunt Bertha, a social care network, provides a guide to social services throughout the United States. Additional resources are available on USA.gov.
 

Comfort and support

Patients with COVID-19 need to be as comfortable and as supported as possible, both physically and emotionally.

“While I was sick, my dogs curled up next to me and didn’t leave my side, and they were my saving grace. There’s not enough to be said about emotional support,” Dr. Stebbins said.

Although important, emotional support is not enough. For patients with respiratory disorders, such as chronic obstructive pulmonary disease, asthma, heart failure, or pneumonia, their subjective symptoms of shortness of breath, air hunger, or cough may improve with supplemental oxygen at home. Other measures include repositioning of the patient to lessen the body weight over the lungs or the use of lung percussion, Leroy said.

He added that improvement may also come from drainage of sputum from the airway passages, the use of agents to liquefy thick sputum (mucolytics), or aerosolized bronchodilator medications.

However, Dr. LeRoy cautioned, “one remedy does not work for everyone – an individual can improve gradually by using these home support interventions, or their respiratory status can deteriorate rapidly despite all these interventions.”

For this reason, he says patients should consult their personal physician to determine which, if any, of these home treatments would be best for their particular situation.

Patients who need emotional support, psychotherapy, or psychotropic medications may find teletherapy helpful. Guidance for psychiatrists, psychologists, and social workers regarding the treatment of COVID-19 patients via teletherapy can be found on the American Psychiatric Association, the American Psychological Association, and the National Association of Social Workers websites.

Pharmacists can also help ensure patient safety, Dr. Stebbins said.

If a patient has not picked up their usual medications, Dr. Stebbins said, “they may need a check-in call. Some may be ill and alone and may need encouragement to seek medical attention, and some may have no means of getting to the pharmacy and may need medications delivered.”

A home healthcare agency may also be helpful for homebound patients. David Bersson, director of operations at Synergy Home Care of Bergen County, N.J., has arranged in-home caregivers for patients with COVID-19.

The amount of care that professional caregivers provide can range from several hours per week to full-time, depending on the patient’s needs and budget, and can include companionship, Mr. Bersson said in an interview.

Because patient and caregiver safety are paramount, caregivers are thoroughly trained in protection and decontamination procedures and are regularly tested for COVID-19 prior to being sent into a client’s home.

Health insurance companies do not cover this service, Mr. Bersson noted, but the VetAssist program covers home care for veterans and their spouses who meet income requirements.

Caregiving and companionship are both vital pieces of the at-home care puzzle. “It was the virtual emotional support I got from friends, family, coworkers, and healthcare professionals that meant so much to me, and I know they played an important part in my recovery,” Dr. Stebbins said.

Dr. LeRoy agreed, noting that he calls patients, even if they only have mild symptoms and his nurse has already spoken to them. “The call doesn’t take much time – maybe just a 5-minute conversation – but it makes patients aware that I care.”

Dr. Stebbins, Dr. Exline, and Dr. LeRoy report no relevant financial relationships. Mr. Bersson is the director of operations at Synergy Home Care of Bergen County, New Jersey.

This story first appeared on Medscape.com.

Marilyn Stebbins, PharmD, fell ill at the end of February 2020. Initially diagnosed with multifocal pneumonia and treated with antibiotics, she later developed severe gastrointestinal symptoms, fatigue, and shortness of breath. She was hospitalized in early March and was diagnosed with COVID-19.

It was still early in the pandemic, and testing was not available for her husband. After she was discharged, her husband isolated himself as much as possible. But that limited the amount of care he could offer.

“When I came home after 8 days in the ICU, I felt completely alone and terrified of not being able to care for myself and not knowing how much care my husband could provide,” said Dr. Stebbins, professor of clinical pharmacy at the University of California, San Francisco.

“I can’t even imagine what it would have been like if I had been home alone without my husband in the house,” she said. “I think about the people who died at home and understand how that might happen.”

Dr. Stebbins is one of tens of thousands of people who, whether hospitalized and discharged or never admitted for inpatient care, needed to find ways to convalesce at home. Data from the Centers for Medicare & Medicaid Services show that, of 326,674 beneficiaries who tested positive for COVID-19 between May 16 and June 11, 2020, 109,607 were hospitalized, suggesting that two-thirds were outpatients.

Most attention has focused on the sickest patients, leaving less severe cases to fall through the cracks. Despite fever, cough, difficulty breathing, and a surfeit of other symptoms, there are few available resources and all too little support to help patients navigate the physical and emotional struggles of contending with COVID-19 at home.
 

No ‘cookie-cutter’ approach

The speed with which the pandemic progressed caught public health systems off guard, but now, “it is essential to put into place the infrastructure to care for the physical and mental health needs of patients at home because most are in the community and many, if not most, still aren’t receiving sufficient support at home,” said Dr. Stebbins.

Caring for COVID-19 patients at home begins with determining their individual needs, said Gary LeRoy, MD, a family physician in Dayton, Ohio. He emphasized that there is “no cookie-cutter formula” for home care, because every patient’s situation is different.

“I begin by having a detailed conversation with each patient to ascertain whether their home environment is safe and to paint a picture of their circumstances,” Dr. LeRoy, who is the president of the American Academy of Family Physicians, said in an interview.

Dr. LeRoy suggested questions that constitute “not just a ‘medical’ checklist but a ‘whole life’ checklist.”

• Do you have access to food, water, medications, sanitation/cleaning supplies, a thermometer, and other necessities? If not, who might assist in providing those?
• Do you need help with activities of daily living and self-care?
• Who else lives in your household? Do they have signs and symptoms of the virus? Have they been tested?
• Do you have enough physical space between you and other household members?
• Do you have children? How are they being cared for?
• What type of work do you do? What are the implications for your employment if you are unable to work for an extended period?
• Do you have an emotional, social, and spiritual support system (e.g., family, friends, community, church)?
• Do you have concerns I haven’t mentioned?

Patients’ responses will inform the management plan and determine what medical and social resources are needed, he said.
 

Daily check-in

Dr. Stebbins said the nurse case manager from her insurance company called her daily after she came home from the hospital. She was told that a public health nurse would also call, but no one from the health department called for days – a situation she hopes has improved.

One way or another, she said, “health care providers [or their staff] should check in with patients daily, either telephonically or via video.” She noted that video is superior, because “someone who isn’t a family member needs to put eyes on a patient and might be able to detect warning signs that a family member without healthcare training might not notice.”

Dr. LeRoy, who is also an associate professor of medicine at Wright State University, Dayton, Ohio, said that, given his time constraints, a nurse or medical assistant in his practice conducts the daily check-ins and notifies him if the patient has fever or other symptoms.

“Under ordinary circumstances, when a patient comes to see me for some type of medical condition, I get to meet the patient, consider what might be going on, then order a test, wait for the results, and suggest a treatment plan. But these are anything but ordinary circumstances,” said Matthew Exline, MD, a pulmonary and critical care specialist at the Ohio State University Wexner Medical Center, Columbus.

“That traditional structure broke down with COVID-19, when we may have test results without even seeing the patient. And without this interaction, it is harder to know as a physician what course of action to take,” he said in an interview.

Once a diagnosis has been made, the physician has at least some data to help guide next steps, even if there has been no prior meeting with the patient.

For example, a positive test raises a host of issues, not the least of which is the risk of spreading the infection to other household members and questions about whether to go the hospital. Moreover, for patients, positive tests can have serious ramifications.

“Severe shortness of breath at rest is not typical of the flu, nor is loss of taste or smell,” said Dr. Exline. Practitioners must educate patients and families about specific symptoms of COVID-19, including shortness of breath, loss of taste or smell, and gastrointestinal or neurologic symptoms, and when to seek emergency care.

Dr. LeRoy suggests buying a pulse oximeter to gauge blood oxygen levels and pulse rate. Together with a thermometer, a portable blood pressure monitor, and, if indicated, a blood glucose monitor, these devices provide a comprehensive and accurate assessment of vital signs.

Dr. LeRoy also educates patients and their families about when to seek medical attention.

Dr. Stebbins takes a similar approach. “Family members are part of, not apart from, the care of patients with COVID-19, and it’s our responsibility as healthcare providers to consider them in the patient’s care plan.”
 

Keeping family safe

Beyond care, family members need a plan to keep themselves healthy, too.

“A patient with COVID-19 at home should self-quarantine as much as possible to keep other family members safe, if they continue to live in the same house,” Dr. Exline said.

Ideally, uninfected family members should stay with relatives or friends. When that’s not possible, everyone in the household should wear a mask, be vigilant about hand washing, and wipe down all surfaces – including doorknobs, light switches, faucet handles, cellphones, and utensils – regularly with bleach or an alcohol solution.

Caregivers should also minimize the amount of time they are exposed to the patient.

“Set food, water, and medication on the night table and leave the room rather than spending hours at the bedside, since limiting exposure to viral load reduces the chances of contagion,” said Dr. Exline.

The Centers for Disease Control and Prevention offers guidance for household members caring for COVID-19 patients at home. It provides tips on how to help patients follow the doctor’s instructions and ways to ensure adequate hydration and rest, among others.

Patients with COVID-19 who live alone face more formidable challenges.

Dr. LeRoy says physicians can help patients by educating themselves about available social services in their community so they can provide appropriate referrals and connections. Such initiatives can include meal programs, friendly visit and financial assistance programs, as well as childcare and home health agencies.

He noted that Aunt Bertha, a social care network, provides a guide to social services throughout the United States. Additional resources are available on USA.gov.
 

Comfort and support

Patients with COVID-19 need to be as comfortable and as supported as possible, both physically and emotionally.

“While I was sick, my dogs curled up next to me and didn’t leave my side, and they were my saving grace. There’s not enough to be said about emotional support,” Dr. Stebbins said.

Although important, emotional support is not enough. For patients with respiratory disorders, such as chronic obstructive pulmonary disease, asthma, heart failure, or pneumonia, their subjective symptoms of shortness of breath, air hunger, or cough may improve with supplemental oxygen at home. Other measures include repositioning of the patient to lessen the body weight over the lungs or the use of lung percussion, Leroy said.

He added that improvement may also come from drainage of sputum from the airway passages, the use of agents to liquefy thick sputum (mucolytics), or aerosolized bronchodilator medications.

However, Dr. LeRoy cautioned, “one remedy does not work for everyone – an individual can improve gradually by using these home support interventions, or their respiratory status can deteriorate rapidly despite all these interventions.”

For this reason, he says patients should consult their personal physician to determine which, if any, of these home treatments would be best for their particular situation.

Patients who need emotional support, psychotherapy, or psychotropic medications may find teletherapy helpful. Guidance for psychiatrists, psychologists, and social workers regarding the treatment of COVID-19 patients via teletherapy can be found on the American Psychiatric Association, the American Psychological Association, and the National Association of Social Workers websites.

Pharmacists can also help ensure patient safety, Dr. Stebbins said.

If a patient has not picked up their usual medications, Dr. Stebbins said, “they may need a check-in call. Some may be ill and alone and may need encouragement to seek medical attention, and some may have no means of getting to the pharmacy and may need medications delivered.”

A home healthcare agency may also be helpful for homebound patients. David Bersson, director of operations at Synergy Home Care of Bergen County, N.J., has arranged in-home caregivers for patients with COVID-19.

The amount of care that professional caregivers provide can range from several hours per week to full-time, depending on the patient’s needs and budget, and can include companionship, Mr. Bersson said in an interview.

Because patient and caregiver safety are paramount, caregivers are thoroughly trained in protection and decontamination procedures and are regularly tested for COVID-19 prior to being sent into a client’s home.

Health insurance companies do not cover this service, Mr. Bersson noted, but the VetAssist program covers home care for veterans and their spouses who meet income requirements.

Caregiving and companionship are both vital pieces of the at-home care puzzle. “It was the virtual emotional support I got from friends, family, coworkers, and healthcare professionals that meant so much to me, and I know they played an important part in my recovery,” Dr. Stebbins said.

Dr. LeRoy agreed, noting that he calls patients, even if they only have mild symptoms and his nurse has already spoken to them. “The call doesn’t take much time – maybe just a 5-minute conversation – but it makes patients aware that I care.”

Dr. Stebbins, Dr. Exline, and Dr. LeRoy report no relevant financial relationships. Mr. Bersson is the director of operations at Synergy Home Care of Bergen County, New Jersey.

This story first appeared on Medscape.com.

The SGLT2 inhibitor drug class solidified its role as a major, new treatment for patients with heart failure with reduced ejection fraction and no diabetes, with results from a second large, controlled trial showing clear efficacy and safety in this population.

Patients with heart failure with reduced ejection fraction (HFrEF) treated with the sodium glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (Jardiance) had a statistically significant 25% relative cut in their incidence of cardiovascular death or first heart failure hospitalization, compared with placebo-treated controls when added on top of standard HFrEF treatment, and this benefit was consistent regardless of whether the treated patients also had type 2 diabetes, Milton Packer, MD, reported at the virtual annual congress of the European Society of Cardiology.

This 25% drop in the primary endpoint with empagliflozin treatment in the EMPEROR-Reduced trial exactly matched the cut in incidence of cardiovascular death or heart failure hospitalization produced by treatment with a another SGLT2 inhibitor, dapagliflozin (Farxiga), in the DAPA-HF trial (N Engl J Med. 2019 Nov 21;381[21]:1995-2008).

The performance of these two SGLT2 inhibitors was “incredibly consistent” across the their respective trials run in HFrEF patients with and without type 2 diabetes, and the combined evidence base of the two trials makes for “really compelling evidence” of both safety and efficacy that should prompt a change to U.S. practice, with both of these drugs forming a new cornerstone of HFrEF treatment, Dr. Packer said.
 

Results plant drug class firmly as HFrEF treatment

Dr. Packer stressed in his presentation that optimal treatment of patients with HFrEF now demands use of one of these two SGLT2 inhibitors, as well as sacubitril plus valsartan (Entresto), a beta-blocker, and a mineralocorticoid receptor antagonist, plus a diuretic as a fifth drug class for the many HFrEF patients who also need treatment for fluid overload. He further advocated for rapid introduction of these four cornerstone agents with proven survival benefits once a patient receives a HFrEF diagnosis, suggesting that sacubitril plus valsartan, an SGLT2 inhibitor, a beta-blocker, and a mineralocorticoid receptor antagonist could all be initiated within 6 weeks or less while acknowledging that optimal up-titration of the beta-blocker would likely take longer.

The order in which a patient starts these drugs shouldn’t matter, and there currently seems to be no evidence that clearly points toward using either dapagliflozin or empagliflozin over the other, Dr. Packer added.

In recognition of the importance of sending a message to heart failure clinicians about the newly proven efficacy of SGLT2 inhibitors in HFrEF patients, the American College of Cardiology and American Heart Association are now drafting an “expert decision pathway” to help clinicians as they enter this new prescribing space. This interim guidance should come out before the end of 2020, prior to release of fully revised HFrEF management guidelines in 2021, said Athena Poppas, MD, president of the ACC, in an interview.

“There is clearly need for education” that can help guide physicians who care for HFrEF patients on how to introduce an SGLT2 inhibitor along with the additional, lengthy list of drug classes proven to benefit these patients, noted Dr. Poppas, who is also a professor and chief of cardiology at the Brown University in Providence, R.I. Physicians may find that they need extra backup for successfully starting both sacubitril plus valsartan and an SGLT2 inhibitor in HFrEF patients because recent history has shown substantial pushback from third-party payers in reimbursing for these relatively expensive drugs, Dr. Poppas noted. She added that this is a problem that may be compounded when patients should ideally get both drug classes.

Physicians who care for heart failure patients have their own history of dragging their feet when adding new drugs to the regimens HFrEF patients receive. The angiotensin converting enzyme inhibitors and beta-blockers took about 17 years each to start reaching a majority of U.S. HFrEF patients, and sacubitril plus valsartan is now used on perhaps a quarter to a third of HFrEF patients despite receiving Food and Drug Administration approval for these patients in mid 2015, noted Christopher M. O’Connor, MD, a heart failure specialist and president of the Inova Heart and Vascular Institute in Fairfax, Va.

Despite dapagliflozin receiving FDA approval in May 2020 for treating HFrEF in patients without diabetes, early uptake in U.S. practice has been very slow, with findings from large U.S. patient registries suggesting that perhaps 1% of suitable HFrEF patients currently get the drug, estimated Dr. O’Connor in an interview.

Given how strong the evidence now is for benefit and safety from dapagliflozin and empagliflozin, it may take as little as 5 years to reach greater than 50% penetration of one of these drugs into U.S. HFrEF patient populations, suggested Dr. Packer, a distinguished scholar in cardiovascular science at Baylor University Medical Center in Dallas.
 

EMPEROR-Reduced outcomes

The road to routine use of these SGLT2 inhibitor drugs should be hastened by empagliflozin’s impressive performance in EMPEROR-Reduced, in which the drug scored highly significant benefits over placebo for the prespecified primary and two major secondary endpoints, one of which was a measure of preserved renal function.

The trial randomized 3,730 patients at 520 sites in 20 countries during 2017-2019 and followed them on treatment for a median of 16 months. All patients had a left ventricular ejection fraction of 40% or less, and roughly three-quarters had New York Heart Association (NYHA) class II function, nearly one-quarter had class III function, and fewer than 1% of patients fell into the class IV category.

The primary endpoint occurred in 19% of the empagliflozin-treated patients and in 25% of those who received placebo. Among the half of patients with diabetes in the trial, the relative risk reduction by empagliflozin compared with placebo was a statistically significant 28%; among those without diabetes, it was a statistically significant 22%. Concurrently with Dr. Packer’s report, the results appeared in an article posted online (N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190).

The study also had two main prespecified secondary endpoints: the incidence of total hospitalizations for heart failure, both first and recurrent, which fell by 30% in the empagliflozin-treated patients, compared with placebo, and the rate of declining renal function during the 16 months of the study as measured by estimated glomerular filtration rate, which dropped by roughly 1 mL/min per 1.73 m² among the empagliflozin recipients and by about 4 mL/min/ per 1.73 m² in the placebo patients.

Treatment with empagliflozin also achieved a notable, statistically significant 50% drop in major adverse renal events, consistent with the performance of other drugs in the class.

“Renal protection is a big plus” of empagliflozin in this trial and from the other SGLT2 inhibitors in prior studies, noted Dr. O’Connor.

The EMPEROR-Reduced results also showed an important benefit for HFrEF patients from empagliflozin not previously seen as quickly with any other drug class, noted Dr. Packer. The SGLT2 inhibitor led to statistically a significant slowing in the progression of patients from NYHA class II function to class III, compared with placebo, and it also significantly promoted the recovery of patients from NYHA class III to class II, an effect that became apparent within the first month on treatment and a benefit that is a “big deal” for patients because it represents a “significant change in functional capacity.” This additional dimension of empagliflozin’s benefit “really impressed me,” Dr. Packer said.

EMPEROR-Reduced was funded by Boehringer Ingelheim and Eli Lilly, the companies that market empagliflozin. Dr. Packer has received personal fees from Boehringer Ingelheim and Eli Lilly and from several other companies. Dr. Poppas and Dr. O’Connor had no relevant disclosures.
 

mzoler@mdedge.com

SOURCE: Packer M. ESC 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190.

The SGLT2 inhibitor drug class solidified its role as a major, new treatment for patients with heart failure with reduced ejection fraction and no diabetes, with results from a second large, controlled trial showing clear efficacy and safety in this population.

Patients with heart failure with reduced ejection fraction (HFrEF) treated with the sodium glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (Jardiance) had a statistically significant 25% relative cut in their incidence of cardiovascular death or first heart failure hospitalization, compared with placebo-treated controls when added on top of standard HFrEF treatment, and this benefit was consistent regardless of whether the treated patients also had type 2 diabetes, Milton Packer, MD, reported at the virtual annual congress of the European Society of Cardiology.

This 25% drop in the primary endpoint with empagliflozin treatment in the EMPEROR-Reduced trial exactly matched the cut in incidence of cardiovascular death or heart failure hospitalization produced by treatment with a another SGLT2 inhibitor, dapagliflozin (Farxiga), in the DAPA-HF trial (N Engl J Med. 2019 Nov 21;381[21]:1995-2008).

The performance of these two SGLT2 inhibitors was “incredibly consistent” across the their respective trials run in HFrEF patients with and without type 2 diabetes, and the combined evidence base of the two trials makes for “really compelling evidence” of both safety and efficacy that should prompt a change to U.S. practice, with both of these drugs forming a new cornerstone of HFrEF treatment, Dr. Packer said.
 

Results plant drug class firmly as HFrEF treatment

Dr. Packer stressed in his presentation that optimal treatment of patients with HFrEF now demands use of one of these two SGLT2 inhibitors, as well as sacubitril plus valsartan (Entresto), a beta-blocker, and a mineralocorticoid receptor antagonist, plus a diuretic as a fifth drug class for the many HFrEF patients who also need treatment for fluid overload. He further advocated for rapid introduction of these four cornerstone agents with proven survival benefits once a patient receives a HFrEF diagnosis, suggesting that sacubitril plus valsartan, an SGLT2 inhibitor, a beta-blocker, and a mineralocorticoid receptor antagonist could all be initiated within 6 weeks or less while acknowledging that optimal up-titration of the beta-blocker would likely take longer.

The order in which a patient starts these drugs shouldn’t matter, and there currently seems to be no evidence that clearly points toward using either dapagliflozin or empagliflozin over the other, Dr. Packer added.

In recognition of the importance of sending a message to heart failure clinicians about the newly proven efficacy of SGLT2 inhibitors in HFrEF patients, the American College of Cardiology and American Heart Association are now drafting an “expert decision pathway” to help clinicians as they enter this new prescribing space. This interim guidance should come out before the end of 2020, prior to release of fully revised HFrEF management guidelines in 2021, said Athena Poppas, MD, president of the ACC, in an interview.

“There is clearly need for education” that can help guide physicians who care for HFrEF patients on how to introduce an SGLT2 inhibitor along with the additional, lengthy list of drug classes proven to benefit these patients, noted Dr. Poppas, who is also a professor and chief of cardiology at the Brown University in Providence, R.I. Physicians may find that they need extra backup for successfully starting both sacubitril plus valsartan and an SGLT2 inhibitor in HFrEF patients because recent history has shown substantial pushback from third-party payers in reimbursing for these relatively expensive drugs, Dr. Poppas noted. She added that this is a problem that may be compounded when patients should ideally get both drug classes.

Physicians who care for heart failure patients have their own history of dragging their feet when adding new drugs to the regimens HFrEF patients receive. The angiotensin converting enzyme inhibitors and beta-blockers took about 17 years each to start reaching a majority of U.S. HFrEF patients, and sacubitril plus valsartan is now used on perhaps a quarter to a third of HFrEF patients despite receiving Food and Drug Administration approval for these patients in mid 2015, noted Christopher M. O’Connor, MD, a heart failure specialist and president of the Inova Heart and Vascular Institute in Fairfax, Va.

Despite dapagliflozin receiving FDA approval in May 2020 for treating HFrEF in patients without diabetes, early uptake in U.S. practice has been very slow, with findings from large U.S. patient registries suggesting that perhaps 1% of suitable HFrEF patients currently get the drug, estimated Dr. O’Connor in an interview.

Given how strong the evidence now is for benefit and safety from dapagliflozin and empagliflozin, it may take as little as 5 years to reach greater than 50% penetration of one of these drugs into U.S. HFrEF patient populations, suggested Dr. Packer, a distinguished scholar in cardiovascular science at Baylor University Medical Center in Dallas.
 

EMPEROR-Reduced outcomes

The road to routine use of these SGLT2 inhibitor drugs should be hastened by empagliflozin’s impressive performance in EMPEROR-Reduced, in which the drug scored highly significant benefits over placebo for the prespecified primary and two major secondary endpoints, one of which was a measure of preserved renal function.

The trial randomized 3,730 patients at 520 sites in 20 countries during 2017-2019 and followed them on treatment for a median of 16 months. All patients had a left ventricular ejection fraction of 40% or less, and roughly three-quarters had New York Heart Association (NYHA) class II function, nearly one-quarter had class III function, and fewer than 1% of patients fell into the class IV category.

The primary endpoint occurred in 19% of the empagliflozin-treated patients and in 25% of those who received placebo. Among the half of patients with diabetes in the trial, the relative risk reduction by empagliflozin compared with placebo was a statistically significant 28%; among those without diabetes, it was a statistically significant 22%. Concurrently with Dr. Packer’s report, the results appeared in an article posted online (N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190).

The study also had two main prespecified secondary endpoints: the incidence of total hospitalizations for heart failure, both first and recurrent, which fell by 30% in the empagliflozin-treated patients, compared with placebo, and the rate of declining renal function during the 16 months of the study as measured by estimated glomerular filtration rate, which dropped by roughly 1 mL/min per 1.73 m² among the empagliflozin recipients and by about 4 mL/min/ per 1.73 m² in the placebo patients.

Treatment with empagliflozin also achieved a notable, statistically significant 50% drop in major adverse renal events, consistent with the performance of other drugs in the class.

“Renal protection is a big plus” of empagliflozin in this trial and from the other SGLT2 inhibitors in prior studies, noted Dr. O’Connor.

The EMPEROR-Reduced results also showed an important benefit for HFrEF patients from empagliflozin not previously seen as quickly with any other drug class, noted Dr. Packer. The SGLT2 inhibitor led to statistically a significant slowing in the progression of patients from NYHA class II function to class III, compared with placebo, and it also significantly promoted the recovery of patients from NYHA class III to class II, an effect that became apparent within the first month on treatment and a benefit that is a “big deal” for patients because it represents a “significant change in functional capacity.” This additional dimension of empagliflozin’s benefit “really impressed me,” Dr. Packer said.

EMPEROR-Reduced was funded by Boehringer Ingelheim and Eli Lilly, the companies that market empagliflozin. Dr. Packer has received personal fees from Boehringer Ingelheim and Eli Lilly and from several other companies. Dr. Poppas and Dr. O’Connor had no relevant disclosures.
 

mzoler@mdedge.com

SOURCE: Packer M. ESC 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190.

The SGLT2 inhibitor drug class solidified its role as a major, new treatment for patients with heart failure with reduced ejection fraction and no diabetes, with results from a second large, controlled trial showing clear efficacy and safety in this population.

Patients with heart failure with reduced ejection fraction (HFrEF) treated with the sodium glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (Jardiance) had a statistically significant 25% relative cut in their incidence of cardiovascular death or first heart failure hospitalization, compared with placebo-treated controls when added on top of standard HFrEF treatment, and this benefit was consistent regardless of whether the treated patients also had type 2 diabetes, Milton Packer, MD, reported at the virtual annual congress of the European Society of Cardiology.

This 25% drop in the primary endpoint with empagliflozin treatment in the EMPEROR-Reduced trial exactly matched the cut in incidence of cardiovascular death or heart failure hospitalization produced by treatment with a another SGLT2 inhibitor, dapagliflozin (Farxiga), in the DAPA-HF trial (N Engl J Med. 2019 Nov 21;381[21]:1995-2008).

The performance of these two SGLT2 inhibitors was “incredibly consistent” across the their respective trials run in HFrEF patients with and without type 2 diabetes, and the combined evidence base of the two trials makes for “really compelling evidence” of both safety and efficacy that should prompt a change to U.S. practice, with both of these drugs forming a new cornerstone of HFrEF treatment, Dr. Packer said.
 

Results plant drug class firmly as HFrEF treatment

Dr. Packer stressed in his presentation that optimal treatment of patients with HFrEF now demands use of one of these two SGLT2 inhibitors, as well as sacubitril plus valsartan (Entresto), a beta-blocker, and a mineralocorticoid receptor antagonist, plus a diuretic as a fifth drug class for the many HFrEF patients who also need treatment for fluid overload. He further advocated for rapid introduction of these four cornerstone agents with proven survival benefits once a patient receives a HFrEF diagnosis, suggesting that sacubitril plus valsartan, an SGLT2 inhibitor, a beta-blocker, and a mineralocorticoid receptor antagonist could all be initiated within 6 weeks or less while acknowledging that optimal up-titration of the beta-blocker would likely take longer.

The order in which a patient starts these drugs shouldn’t matter, and there currently seems to be no evidence that clearly points toward using either dapagliflozin or empagliflozin over the other, Dr. Packer added.

In recognition of the importance of sending a message to heart failure clinicians about the newly proven efficacy of SGLT2 inhibitors in HFrEF patients, the American College of Cardiology and American Heart Association are now drafting an “expert decision pathway” to help clinicians as they enter this new prescribing space. This interim guidance should come out before the end of 2020, prior to release of fully revised HFrEF management guidelines in 2021, said Athena Poppas, MD, president of the ACC, in an interview.

“There is clearly need for education” that can help guide physicians who care for HFrEF patients on how to introduce an SGLT2 inhibitor along with the additional, lengthy list of drug classes proven to benefit these patients, noted Dr. Poppas, who is also a professor and chief of cardiology at the Brown University in Providence, R.I. Physicians may find that they need extra backup for successfully starting both sacubitril plus valsartan and an SGLT2 inhibitor in HFrEF patients because recent history has shown substantial pushback from third-party payers in reimbursing for these relatively expensive drugs, Dr. Poppas noted. She added that this is a problem that may be compounded when patients should ideally get both drug classes.

Physicians who care for heart failure patients have their own history of dragging their feet when adding new drugs to the regimens HFrEF patients receive. The angiotensin converting enzyme inhibitors and beta-blockers took about 17 years each to start reaching a majority of U.S. HFrEF patients, and sacubitril plus valsartan is now used on perhaps a quarter to a third of HFrEF patients despite receiving Food and Drug Administration approval for these patients in mid 2015, noted Christopher M. O’Connor, MD, a heart failure specialist and president of the Inova Heart and Vascular Institute in Fairfax, Va.

Despite dapagliflozin receiving FDA approval in May 2020 for treating HFrEF in patients without diabetes, early uptake in U.S. practice has been very slow, with findings from large U.S. patient registries suggesting that perhaps 1% of suitable HFrEF patients currently get the drug, estimated Dr. O’Connor in an interview.

Given how strong the evidence now is for benefit and safety from dapagliflozin and empagliflozin, it may take as little as 5 years to reach greater than 50% penetration of one of these drugs into U.S. HFrEF patient populations, suggested Dr. Packer, a distinguished scholar in cardiovascular science at Baylor University Medical Center in Dallas.
 

EMPEROR-Reduced outcomes

The road to routine use of these SGLT2 inhibitor drugs should be hastened by empagliflozin’s impressive performance in EMPEROR-Reduced, in which the drug scored highly significant benefits over placebo for the prespecified primary and two major secondary endpoints, one of which was a measure of preserved renal function.

The trial randomized 3,730 patients at 520 sites in 20 countries during 2017-2019 and followed them on treatment for a median of 16 months. All patients had a left ventricular ejection fraction of 40% or less, and roughly three-quarters had New York Heart Association (NYHA) class II function, nearly one-quarter had class III function, and fewer than 1% of patients fell into the class IV category.

The primary endpoint occurred in 19% of the empagliflozin-treated patients and in 25% of those who received placebo. Among the half of patients with diabetes in the trial, the relative risk reduction by empagliflozin compared with placebo was a statistically significant 28%; among those without diabetes, it was a statistically significant 22%. Concurrently with Dr. Packer’s report, the results appeared in an article posted online (N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190).

The study also had two main prespecified secondary endpoints: the incidence of total hospitalizations for heart failure, both first and recurrent, which fell by 30% in the empagliflozin-treated patients, compared with placebo, and the rate of declining renal function during the 16 months of the study as measured by estimated glomerular filtration rate, which dropped by roughly 1 mL/min per 1.73 m² among the empagliflozin recipients and by about 4 mL/min/ per 1.73 m² in the placebo patients.

Treatment with empagliflozin also achieved a notable, statistically significant 50% drop in major adverse renal events, consistent with the performance of other drugs in the class.

“Renal protection is a big plus” of empagliflozin in this trial and from the other SGLT2 inhibitors in prior studies, noted Dr. O’Connor.

The EMPEROR-Reduced results also showed an important benefit for HFrEF patients from empagliflozin not previously seen as quickly with any other drug class, noted Dr. Packer. The SGLT2 inhibitor led to statistically a significant slowing in the progression of patients from NYHA class II function to class III, compared with placebo, and it also significantly promoted the recovery of patients from NYHA class III to class II, an effect that became apparent within the first month on treatment and a benefit that is a “big deal” for patients because it represents a “significant change in functional capacity.” This additional dimension of empagliflozin’s benefit “really impressed me,” Dr. Packer said.

EMPEROR-Reduced was funded by Boehringer Ingelheim and Eli Lilly, the companies that market empagliflozin. Dr. Packer has received personal fees from Boehringer Ingelheim and Eli Lilly and from several other companies. Dr. Poppas and Dr. O’Connor had no relevant disclosures.
 

mzoler@mdedge.com

SOURCE: Packer M. ESC 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2022190.

Initiation of rhythm control with antiarrhythmic drugs and/or ablation in patients with early, recently diagnosed atrial fibrillation (AFib) led to a significantly lower risk of major adverse cardiovascular outcomes, compared with a rate-control strategy, during more than 5 years of follow-up in the large randomized EAST-AFNET 4 trial, Paulus Kirchhof, MD, said at the virtual annual congress of the European Society of Cardiology.

Previous trials of rate versus rhythm control in AFib, such as AFFIRM (Atrial Fibrillation Follow-up Investigation of Rhythm Management), failed to show an advantage for rhythm over rate control in terms of clinical outcomes. Why was EAST-AFNET 4 different? Dr. Kirchhof offered two major reasons: The study incorporated AFib ablation as an option in the rhythm control strategy, and treatment started soon after diagnosis of the arrhythmia. Indeed, nearly 40% of patients had their first-ever AFib episode at the time of randomization, and the median time from diagnosis to randomization was just 36 days.

“Once you are in AFib for a few months, the atrium suffers severe damage, some of it irreversible, so it becomes more difficult to restore and maintain sinus rhythm when you wait longer,” explained Dr. Kirchhof, director of the department of cardiology at the University Heart and Vascular Center in Hamburg (Ger.) and professor of cardiovascular medicine at the University of Birmingham, England.

Also, epidemiologic studies show that the risk of cardiovascular complications is heightened in the first year following diagnosis of AFib. “So there’s a window of opportunity to prevent complications,” he added.

The impetus for conducting EAST-AFNET 4 (Early Treatment of Atrial Fibrillation for Stroke Prevention Trial ) was straightforward, according to the cardiologist: “The question of whether rhythm control is beneficial or not has been in the field for several decades. Most people, like me, always believed that maintaining sinus rhythm would help, but we didn’t have the data to show it.”
 

Early rhythm control shows sustained benefits

EAST-AFNET 4 was a prospective, open, blinded-outcome-assessement trial. It included 2,789 patients with early AFib and an average CHA₂DS₂-VASc score of 3.4 who were randomized at 135 sites in 11 European countries to early rhythm control or guideline-recommended rate control. At a median 5.1 years of follow-up, the primary outcome – a composite of cardiovascular death, stroke, acute coronary syndrome, or hospitalization for worsening heart failure – occurred at a pace of 3.9% per year in the rhythm control group and 5% per year with rate control. This translated to a statistically significant and clinically meaningful 21% relative risk reduction favoring early rhythm control.

The 28% reduction in cardiovascular death with rhythm control was statistically significant, as was the 35% reduction in stroke. However, the 19% reduction in heart failure hospitalizations and 17% decrease in hospitalizations for acute coronary syndrome were not.

The co–primary endpoint – the mean number of nights spent in the hospital per year, which served as a proxy for the cost of treatment to a health care system – didn’t differ between the two treatment arms, at roughly 5 nights per year.

The clinical benefit of early rhythm control was consistent across all 19 prespecified patient subgroups, including those who were asymptomatic and patients with or without heart failure.

Serious adverse events related to rhythm control therapy – most often drug-related bradycardia – occurred in 4.9% of patients over the course of 5.1 years, compared to a 1.4% serious event rate in patients assigned to rate control. Dr. Kirchhof called the roughly 1% per year serious event rate in the rhythm control group quite acceptable.

“To put that in perspective, the annualized rate of severe bleeds on oral anticoagulation – a very beneficial therapy used by more than 90% of participants at 2 years – is about 2%,” the cardiologist noted.

Only 8% of patients randomized to rhythm control received AFib ablation as initial therapy, consistent with current clinical practice. By 2 years, 19.4% of the rhythm control group had undergone AFib ablation. Also at that time, 15% of the rate control group was receiving rhythm control therapy to help manage AFib-related symptoms.

One of the big surprises in the study, he said, was that nearly three-quarters of patients in both groups were asymptomatic at 2 years.

“I think that shows how well we control symptoms, even without rhythm control,” he observed.
 

Results ‘move the field forward’

Dr. Kirchhof stressed that this was a trial of two different treatment strategies, and it’s not yet possible to single out any specific component of the rhythm control strategy as being responsible for the improved outcomes.

“I cannot tell you whether the outcome difference was due to AFib ablation or early treatment or the fact that we’re now better at using antiarrhythmic drugs than we were 20 years ago,” he said.

Asked if the EAST-AFNET 4 findings warrant more aggressive screening for AFib in order to detect and intervene early in the arrhythmia, Dr. Kirchhof replied with an unambiguous yes.

“My conclusion is that every patient with newly diagnosed AFib and a CHA₂DS₂-VASc score of 2 or more should not only receive anticoagulation and rate control, but should also be offered rhythm control therapy at the time of diagnosis, which also means that all of these people have to be seen by a cardiologist who has expertise in the domain of AFib management. It’s a big clinical challenge, but it leads to a 21% improvement in outcomes, and I think we have to do what’s best for our patients,” he said.

In an interview, Kalyanam Shivkumar, MD, PhD, called EAST-AFNET 4 “a very important study.”

“It moves the field forward, for sure. I think it will change clinical practice, and it should,” commented Dr. Shivkumar, who was not involved in the study.

“Now there are so many wearable technologies out there – the Apple Watch and others – which will enable rhythm abnormalities to be detected early on. This bodes well for the field,” said Dr. Shivkumar, who is editor-in-chief of JACC: Clinical Electrophysiology. He is also professor of medicine, radiology, and bioengineering at the University of California, Los Angeles, and director of the UCLA Cardiac Arrhythmia Center.

Dr. Kirchhof reported receiving research grants to conduct the EAST-AFNET 4 trial from the German Ministry of Education and Research, the German Center for Cardiovascular Research, the Atrial Fibrillation Network, the European Heart Rhythm Association, St. Jude Medical, Abbott, Sanofi, the German Heart Foundation, the European Union, the British Heart Foundation, and the Leducq Foundation.

Simultaneous with his presentation at ESC Congress 2020, the study results were published online at NEJM.org.
 

bjancin@mdedge.com

SOURCE: Kirchhof P. ESC Congress 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2019422.

Initiation of rhythm control with antiarrhythmic drugs and/or ablation in patients with early, recently diagnosed atrial fibrillation (AFib) led to a significantly lower risk of major adverse cardiovascular outcomes, compared with a rate-control strategy, during more than 5 years of follow-up in the large randomized EAST-AFNET 4 trial, Paulus Kirchhof, MD, said at the virtual annual congress of the European Society of Cardiology.

Previous trials of rate versus rhythm control in AFib, such as AFFIRM (Atrial Fibrillation Follow-up Investigation of Rhythm Management), failed to show an advantage for rhythm over rate control in terms of clinical outcomes. Why was EAST-AFNET 4 different? Dr. Kirchhof offered two major reasons: The study incorporated AFib ablation as an option in the rhythm control strategy, and treatment started soon after diagnosis of the arrhythmia. Indeed, nearly 40% of patients had their first-ever AFib episode at the time of randomization, and the median time from diagnosis to randomization was just 36 days.

“Once you are in AFib for a few months, the atrium suffers severe damage, some of it irreversible, so it becomes more difficult to restore and maintain sinus rhythm when you wait longer,” explained Dr. Kirchhof, director of the department of cardiology at the University Heart and Vascular Center in Hamburg (Ger.) and professor of cardiovascular medicine at the University of Birmingham, England.

Also, epidemiologic studies show that the risk of cardiovascular complications is heightened in the first year following diagnosis of AFib. “So there’s a window of opportunity to prevent complications,” he added.

The impetus for conducting EAST-AFNET 4 (Early Treatment of Atrial Fibrillation for Stroke Prevention Trial ) was straightforward, according to the cardiologist: “The question of whether rhythm control is beneficial or not has been in the field for several decades. Most people, like me, always believed that maintaining sinus rhythm would help, but we didn’t have the data to show it.”
 

Early rhythm control shows sustained benefits

EAST-AFNET 4 was a prospective, open, blinded-outcome-assessement trial. It included 2,789 patients with early AFib and an average CHA₂DS₂-VASc score of 3.4 who were randomized at 135 sites in 11 European countries to early rhythm control or guideline-recommended rate control. At a median 5.1 years of follow-up, the primary outcome – a composite of cardiovascular death, stroke, acute coronary syndrome, or hospitalization for worsening heart failure – occurred at a pace of 3.9% per year in the rhythm control group and 5% per year with rate control. This translated to a statistically significant and clinically meaningful 21% relative risk reduction favoring early rhythm control.

The 28% reduction in cardiovascular death with rhythm control was statistically significant, as was the 35% reduction in stroke. However, the 19% reduction in heart failure hospitalizations and 17% decrease in hospitalizations for acute coronary syndrome were not.

The co–primary endpoint – the mean number of nights spent in the hospital per year, which served as a proxy for the cost of treatment to a health care system – didn’t differ between the two treatment arms, at roughly 5 nights per year.

The clinical benefit of early rhythm control was consistent across all 19 prespecified patient subgroups, including those who were asymptomatic and patients with or without heart failure.

Serious adverse events related to rhythm control therapy – most often drug-related bradycardia – occurred in 4.9% of patients over the course of 5.1 years, compared to a 1.4% serious event rate in patients assigned to rate control. Dr. Kirchhof called the roughly 1% per year serious event rate in the rhythm control group quite acceptable.

“To put that in perspective, the annualized rate of severe bleeds on oral anticoagulation – a very beneficial therapy used by more than 90% of participants at 2 years – is about 2%,” the cardiologist noted.

Only 8% of patients randomized to rhythm control received AFib ablation as initial therapy, consistent with current clinical practice. By 2 years, 19.4% of the rhythm control group had undergone AFib ablation. Also at that time, 15% of the rate control group was receiving rhythm control therapy to help manage AFib-related symptoms.

One of the big surprises in the study, he said, was that nearly three-quarters of patients in both groups were asymptomatic at 2 years.

“I think that shows how well we control symptoms, even without rhythm control,” he observed.
 

Results ‘move the field forward’

Dr. Kirchhof stressed that this was a trial of two different treatment strategies, and it’s not yet possible to single out any specific component of the rhythm control strategy as being responsible for the improved outcomes.

“I cannot tell you whether the outcome difference was due to AFib ablation or early treatment or the fact that we’re now better at using antiarrhythmic drugs than we were 20 years ago,” he said.

Asked if the EAST-AFNET 4 findings warrant more aggressive screening for AFib in order to detect and intervene early in the arrhythmia, Dr. Kirchhof replied with an unambiguous yes.

“My conclusion is that every patient with newly diagnosed AFib and a CHA₂DS₂-VASc score of 2 or more should not only receive anticoagulation and rate control, but should also be offered rhythm control therapy at the time of diagnosis, which also means that all of these people have to be seen by a cardiologist who has expertise in the domain of AFib management. It’s a big clinical challenge, but it leads to a 21% improvement in outcomes, and I think we have to do what’s best for our patients,” he said.

In an interview, Kalyanam Shivkumar, MD, PhD, called EAST-AFNET 4 “a very important study.”

“It moves the field forward, for sure. I think it will change clinical practice, and it should,” commented Dr. Shivkumar, who was not involved in the study.

“Now there are so many wearable technologies out there – the Apple Watch and others – which will enable rhythm abnormalities to be detected early on. This bodes well for the field,” said Dr. Shivkumar, who is editor-in-chief of JACC: Clinical Electrophysiology. He is also professor of medicine, radiology, and bioengineering at the University of California, Los Angeles, and director of the UCLA Cardiac Arrhythmia Center.

Dr. Kirchhof reported receiving research grants to conduct the EAST-AFNET 4 trial from the German Ministry of Education and Research, the German Center for Cardiovascular Research, the Atrial Fibrillation Network, the European Heart Rhythm Association, St. Jude Medical, Abbott, Sanofi, the German Heart Foundation, the European Union, the British Heart Foundation, and the Leducq Foundation.

Simultaneous with his presentation at ESC Congress 2020, the study results were published online at NEJM.org.
 

bjancin@mdedge.com

SOURCE: Kirchhof P. ESC Congress 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2019422.

Initiation of rhythm control with antiarrhythmic drugs and/or ablation in patients with early, recently diagnosed atrial fibrillation (AFib) led to a significantly lower risk of major adverse cardiovascular outcomes, compared with a rate-control strategy, during more than 5 years of follow-up in the large randomized EAST-AFNET 4 trial, Paulus Kirchhof, MD, said at the virtual annual congress of the European Society of Cardiology.

Previous trials of rate versus rhythm control in AFib, such as AFFIRM (Atrial Fibrillation Follow-up Investigation of Rhythm Management), failed to show an advantage for rhythm over rate control in terms of clinical outcomes. Why was EAST-AFNET 4 different? Dr. Kirchhof offered two major reasons: The study incorporated AFib ablation as an option in the rhythm control strategy, and treatment started soon after diagnosis of the arrhythmia. Indeed, nearly 40% of patients had their first-ever AFib episode at the time of randomization, and the median time from diagnosis to randomization was just 36 days.

“Once you are in AFib for a few months, the atrium suffers severe damage, some of it irreversible, so it becomes more difficult to restore and maintain sinus rhythm when you wait longer,” explained Dr. Kirchhof, director of the department of cardiology at the University Heart and Vascular Center in Hamburg (Ger.) and professor of cardiovascular medicine at the University of Birmingham, England.

Also, epidemiologic studies show that the risk of cardiovascular complications is heightened in the first year following diagnosis of AFib. “So there’s a window of opportunity to prevent complications,” he added.

The impetus for conducting EAST-AFNET 4 (Early Treatment of Atrial Fibrillation for Stroke Prevention Trial ) was straightforward, according to the cardiologist: “The question of whether rhythm control is beneficial or not has been in the field for several decades. Most people, like me, always believed that maintaining sinus rhythm would help, but we didn’t have the data to show it.”
 

Early rhythm control shows sustained benefits

EAST-AFNET 4 was a prospective, open, blinded-outcome-assessement trial. It included 2,789 patients with early AFib and an average CHA₂DS₂-VASc score of 3.4 who were randomized at 135 sites in 11 European countries to early rhythm control or guideline-recommended rate control. At a median 5.1 years of follow-up, the primary outcome – a composite of cardiovascular death, stroke, acute coronary syndrome, or hospitalization for worsening heart failure – occurred at a pace of 3.9% per year in the rhythm control group and 5% per year with rate control. This translated to a statistically significant and clinically meaningful 21% relative risk reduction favoring early rhythm control.

The 28% reduction in cardiovascular death with rhythm control was statistically significant, as was the 35% reduction in stroke. However, the 19% reduction in heart failure hospitalizations and 17% decrease in hospitalizations for acute coronary syndrome were not.

The co–primary endpoint – the mean number of nights spent in the hospital per year, which served as a proxy for the cost of treatment to a health care system – didn’t differ between the two treatment arms, at roughly 5 nights per year.

The clinical benefit of early rhythm control was consistent across all 19 prespecified patient subgroups, including those who were asymptomatic and patients with or without heart failure.

Serious adverse events related to rhythm control therapy – most often drug-related bradycardia – occurred in 4.9% of patients over the course of 5.1 years, compared to a 1.4% serious event rate in patients assigned to rate control. Dr. Kirchhof called the roughly 1% per year serious event rate in the rhythm control group quite acceptable.

“To put that in perspective, the annualized rate of severe bleeds on oral anticoagulation – a very beneficial therapy used by more than 90% of participants at 2 years – is about 2%,” the cardiologist noted.

Only 8% of patients randomized to rhythm control received AFib ablation as initial therapy, consistent with current clinical practice. By 2 years, 19.4% of the rhythm control group had undergone AFib ablation. Also at that time, 15% of the rate control group was receiving rhythm control therapy to help manage AFib-related symptoms.

One of the big surprises in the study, he said, was that nearly three-quarters of patients in both groups were asymptomatic at 2 years.

“I think that shows how well we control symptoms, even without rhythm control,” he observed.
 

Results ‘move the field forward’

Dr. Kirchhof stressed that this was a trial of two different treatment strategies, and it’s not yet possible to single out any specific component of the rhythm control strategy as being responsible for the improved outcomes.

“I cannot tell you whether the outcome difference was due to AFib ablation or early treatment or the fact that we’re now better at using antiarrhythmic drugs than we were 20 years ago,” he said.

Asked if the EAST-AFNET 4 findings warrant more aggressive screening for AFib in order to detect and intervene early in the arrhythmia, Dr. Kirchhof replied with an unambiguous yes.

“My conclusion is that every patient with newly diagnosed AFib and a CHA₂DS₂-VASc score of 2 or more should not only receive anticoagulation and rate control, but should also be offered rhythm control therapy at the time of diagnosis, which also means that all of these people have to be seen by a cardiologist who has expertise in the domain of AFib management. It’s a big clinical challenge, but it leads to a 21% improvement in outcomes, and I think we have to do what’s best for our patients,” he said.

In an interview, Kalyanam Shivkumar, MD, PhD, called EAST-AFNET 4 “a very important study.”

“It moves the field forward, for sure. I think it will change clinical practice, and it should,” commented Dr. Shivkumar, who was not involved in the study.

“Now there are so many wearable technologies out there – the Apple Watch and others – which will enable rhythm abnormalities to be detected early on. This bodes well for the field,” said Dr. Shivkumar, who is editor-in-chief of JACC: Clinical Electrophysiology. He is also professor of medicine, radiology, and bioengineering at the University of California, Los Angeles, and director of the UCLA Cardiac Arrhythmia Center.

Dr. Kirchhof reported receiving research grants to conduct the EAST-AFNET 4 trial from the German Ministry of Education and Research, the German Center for Cardiovascular Research, the Atrial Fibrillation Network, the European Heart Rhythm Association, St. Jude Medical, Abbott, Sanofi, the German Heart Foundation, the European Union, the British Heart Foundation, and the Leducq Foundation.

Simultaneous with his presentation at ESC Congress 2020, the study results were published online at NEJM.org.
 

bjancin@mdedge.com

SOURCE: Kirchhof P. ESC Congress 2020. N Engl J Med. 2020 Aug 29. doi: 10.1056/NEJMoa2019422.

Thyroid storm is a life-threatening endocrine emergency for which, remarkably, there are no definitive diagnostic tests, and the management of which is supported by a startlingly weak evidence base.

“What’s tricky is there really are no specific biochemical level cutoffs for thyroid storm, and also no unique laboratory abnormalities. So in the end, it’s a clinical diagnosis and a clinical judgment,” Stephanie B. Mayer, MD, MHSc, observed at HM20 Virtual, hosted by the Society of Hospital Medicine.

Moreover, there are no prospective clinical trials addressing the treatment of thyroid storm, and the 2016 American Thyroid Association clinical practice guidelines on the topic are based upon low-quality evidence from case reports and studies dating back to the 1970s and 1980s. UpToDate reached the same conclusion in 2020, noted Dr. Mayer, an endocrinologist at Virginia Commonwealth University, Richmond.

Thinking that perhaps the guideline writing panel had missed something, she asked a university medical research librarian to custom-build a comprehensive search for studies on thyroid storm management. The search proved unrewarding.

“The evidence is, unfortunately, a little disappointing,” Dr. Mayer said.

Thyroid storm is a rare condition, but one that hospitalists must be ready for. She highlighted current best practices in diagnosis and management.
 

A high-mortality emergency

Thyroid storm is an extreme manifestation of thyrotoxicosis, which is marked by multiorgan dysfunction and rapid decompensation. In a large, first-of-its-kind, national retrospective U.S. study, the incidence of thyroid storm was 0.57-0.76 cases per 100,000 persons per year. Thyroid storm accounted for 16% of the more than 121,000 hospital discharges featuring a primary diagnosis of thyrotoxicosis. The in-hospital mortality rate for patients with thyroid storm was 1.2%-3.6% during the 10-year study period, a rate 12-fold higher than that among patients with thyrotoxicosis without thyroid storm (Thyroid. 2019 Jan;29[1]:36-43).

Dr. Mayer highlighted a multicenter French study that underscored the current hefty morbidity and mortality associated with thyroid storm. Among 92 patients admitted to the ICU for thyroid storm, the in-ICU mortality rate was 17%, and the mortality rate 6 months after admission was 22%. Independent risk factors for in-ICU mortality were multiorgan failure and the occurrence of cardiogenic shock within the first 48 hours in the ICU (Crit Care Med. 2020 Jan;48[1]:83-90).
 

How to recognize thyroid storm

The most user-friendly system for assistance in diagnosing thyroid storm is the one put forth by the Japan Thyroid Association and the Japan Endocrine Society, in Dr. Mayer’s view. As a prerequisite to the diagnosis a patient must have thyrotoxicosis as evidenced by elevated free thyroxine (free T4) and free or total triiodothyronine (T3), which in the vast majority of cases, is accompanied by low thyroid stimulating hormone (TSH).

The Japanese diagnostic system for thyroid storm relies on five categories of organ system–based clinical features. This approach places greater weight on disturbances of consciousness – restlessness, delirium, agitation, psychosis, lethargy, coma – than the other four components, which consist of fever of at least 100.4° F, tachycardia of 130 or more beats per minute, heart failure signs and symptoms, and gastrointestinal/hepatic involvement as evidenced by nausea, vomiting, hyperdefecation, and/or a total bilirubin level of 3.0 mg/dL or more.

The Japanese approach offers two paths to a definite diagnosis of thyroid storm. One requires at least one CNS manifestation plus symptoms drawn from any one of the other four categories. The other route, for patients without evident CNS symptoms, requires the presence of symptoms from at least three of the other four categories.

A patient is categorized as having suspected rather than definite thyroid storm if the CNS criterion isn’t met but any two of the others are. A patient also qualifies for suspected thyroid storm when CNS manifestations plus symptoms from at least one other category are present, but thyroid hormone levels aren’t available (Endocr J. 2016 Dec 30;63[12]:1025-64).

Management of thyroid storm

There is usually a precipitating event that drives the transition from smoldering thyrotoxicosis to thyroid storm.

“The big thing is to look for and treat the underlying precipitating event,” the endocrinologist stressed.

It’s often a systemic insult: severe infection, trauma, surgery, an acute MI, diabetic ketoacidosis, pulmonary embolism, or perhaps having just gone through labor. Iodine exposure in the form of IV contrast or taking amiodarone, which contains 37% iodine by weight, can also fan thyrotoxicosis into thyroid storm. Abrupt discontinuation of antithyroid medication is another common cause.

Fluid and electrolyte replacement, oxygen if appropriate, cooling blankets, and other supportive measures are also important.

Medical management targets multiple steps in thyroid hormone production and action to quell thyroid storm. The first order of business is to inhibit synthesis of new thyroid hormone by prescribing a thioamide. Dr. Mayer favors propylthiouracil over methimazole for this purpose because, not only does it block the thyroid gland from synthesizing new hormone, it also reduces conversion of T4 to T3. Propylthiouracil is usually given orally as a 500- to 1,000-mg loading dose, then 250 mg every 4 hours. The drug can also be given rectally or by nasogastric tube.

One hour or more after starting the thioamide, inorganic iodine is started to inhibit release of preformed hormone from the thyroid gland. Five drops of saturated solution of potassium iodide given every 6 hours is the recommended dose; it provides 764 mg of iodide per day. Lugol’s solution dosed at four to eight drops every 6-8 hours is an effective alternative.

Simultaneous with starting the patient on inorganic iodine, a low-dose beta blocker is introduced to control adrenergic symptoms.

“Propranolol is first line because it also decreases T4 to T3 conversion and it’s noncardioselective, so it’s better than a cardioselective beta blocker at reducing sympathetic tone-related symptoms, such as agitation, fever, and psychosis,” the endocrinologist explained.

At the same time that propranolol at 60-80 mg is given orally every 4 hours and iodine are started, the patient is placed on glucocorticoids as another means of reducing peripheral conversion of T4 to T3. The options are intravenous hydrocortisone at 100-300 mg/day in divided doses or dexamethasone at 2 mg every 6 hours.

Aspirin and NSAIDs should be avoided as antipyretics because they can actually raise T3 and T4 levels. Acetaminophen is the right fever-lowering agent in the setting of thyroid storm.

Dr. Mayer has occasionally had to reach for one of several backup therapies. Prescribing a bile acid sequestrant – 20-30 g/day of cholestyramine or colestipol – will trap thyroid hormone in the intestine, preventing it from recirculating.

“Be careful to dose it away from the other medications,” she cautioned.

Also, therapeutic plasmapheresis is effective at rapidly removing circulating thyroid hormone in patients who don’t show early clinical improvement in response to multipronged medical therapy.

Dr. Mayer offered a couple of final tips to hospitalists regarding thyroid storm: Know who directs plasmapheresis at your hospital, and keep the American Thyroid Association management guidelines handy (Thyroid. 2016 Oct;26[10]:1343-421).

She reported receiving funding from both NovoNordisk and Astra Zeneca.

 

bjancin@mdedge.com

Thyroid storm is a life-threatening endocrine emergency for which, remarkably, there are no definitive diagnostic tests, and the management of which is supported by a startlingly weak evidence base.

“What’s tricky is there really are no specific biochemical level cutoffs for thyroid storm, and also no unique laboratory abnormalities. So in the end, it’s a clinical diagnosis and a clinical judgment,” Stephanie B. Mayer, MD, MHSc, observed at HM20 Virtual, hosted by the Society of Hospital Medicine.

Moreover, there are no prospective clinical trials addressing the treatment of thyroid storm, and the 2016 American Thyroid Association clinical practice guidelines on the topic are based upon low-quality evidence from case reports and studies dating back to the 1970s and 1980s. UpToDate reached the same conclusion in 2020, noted Dr. Mayer, an endocrinologist at Virginia Commonwealth University, Richmond.

Thinking that perhaps the guideline writing panel had missed something, she asked a university medical research librarian to custom-build a comprehensive search for studies on thyroid storm management. The search proved unrewarding.

“The evidence is, unfortunately, a little disappointing,” Dr. Mayer said.

Thyroid storm is a rare condition, but one that hospitalists must be ready for. She highlighted current best practices in diagnosis and management.
 

A high-mortality emergency

Thyroid storm is an extreme manifestation of thyrotoxicosis, which is marked by multiorgan dysfunction and rapid decompensation. In a large, first-of-its-kind, national retrospective U.S. study, the incidence of thyroid storm was 0.57-0.76 cases per 100,000 persons per year. Thyroid storm accounted for 16% of the more than 121,000 hospital discharges featuring a primary diagnosis of thyrotoxicosis. The in-hospital mortality rate for patients with thyroid storm was 1.2%-3.6% during the 10-year study period, a rate 12-fold higher than that among patients with thyrotoxicosis without thyroid storm (Thyroid. 2019 Jan;29[1]:36-43).

Dr. Mayer highlighted a multicenter French study that underscored the current hefty morbidity and mortality associated with thyroid storm. Among 92 patients admitted to the ICU for thyroid storm, the in-ICU mortality rate was 17%, and the mortality rate 6 months after admission was 22%. Independent risk factors for in-ICU mortality were multiorgan failure and the occurrence of cardiogenic shock within the first 48 hours in the ICU (Crit Care Med. 2020 Jan;48[1]:83-90).
 

How to recognize thyroid storm

The most user-friendly system for assistance in diagnosing thyroid storm is the one put forth by the Japan Thyroid Association and the Japan Endocrine Society, in Dr. Mayer’s view. As a prerequisite to the diagnosis a patient must have thyrotoxicosis as evidenced by elevated free thyroxine (free T4) and free or total triiodothyronine (T3), which in the vast majority of cases, is accompanied by low thyroid stimulating hormone (TSH).

The Japanese diagnostic system for thyroid storm relies on five categories of organ system–based clinical features. This approach places greater weight on disturbances of consciousness – restlessness, delirium, agitation, psychosis, lethargy, coma – than the other four components, which consist of fever of at least 100.4° F, tachycardia of 130 or more beats per minute, heart failure signs and symptoms, and gastrointestinal/hepatic involvement as evidenced by nausea, vomiting, hyperdefecation, and/or a total bilirubin level of 3.0 mg/dL or more.

The Japanese approach offers two paths to a definite diagnosis of thyroid storm. One requires at least one CNS manifestation plus symptoms drawn from any one of the other four categories. The other route, for patients without evident CNS symptoms, requires the presence of symptoms from at least three of the other four categories.

A patient is categorized as having suspected rather than definite thyroid storm if the CNS criterion isn’t met but any two of the others are. A patient also qualifies for suspected thyroid storm when CNS manifestations plus symptoms from at least one other category are present, but thyroid hormone levels aren’t available (Endocr J. 2016 Dec 30;63[12]:1025-64).

Management of thyroid storm

There is usually a precipitating event that drives the transition from smoldering thyrotoxicosis to thyroid storm.

“The big thing is to look for and treat the underlying precipitating event,” the endocrinologist stressed.

It’s often a systemic insult: severe infection, trauma, surgery, an acute MI, diabetic ketoacidosis, pulmonary embolism, or perhaps having just gone through labor. Iodine exposure in the form of IV contrast or taking amiodarone, which contains 37% iodine by weight, can also fan thyrotoxicosis into thyroid storm. Abrupt discontinuation of antithyroid medication is another common cause.

Fluid and electrolyte replacement, oxygen if appropriate, cooling blankets, and other supportive measures are also important.

Medical management targets multiple steps in thyroid hormone production and action to quell thyroid storm. The first order of business is to inhibit synthesis of new thyroid hormone by prescribing a thioamide. Dr. Mayer favors propylthiouracil over methimazole for this purpose because, not only does it block the thyroid gland from synthesizing new hormone, it also reduces conversion of T4 to T3. Propylthiouracil is usually given orally as a 500- to 1,000-mg loading dose, then 250 mg every 4 hours. The drug can also be given rectally or by nasogastric tube.

One hour or more after starting the thioamide, inorganic iodine is started to inhibit release of preformed hormone from the thyroid gland. Five drops of saturated solution of potassium iodide given every 6 hours is the recommended dose; it provides 764 mg of iodide per day. Lugol’s solution dosed at four to eight drops every 6-8 hours is an effective alternative.

Simultaneous with starting the patient on inorganic iodine, a low-dose beta blocker is introduced to control adrenergic symptoms.

“Propranolol is first line because it also decreases T4 to T3 conversion and it’s noncardioselective, so it’s better than a cardioselective beta blocker at reducing sympathetic tone-related symptoms, such as agitation, fever, and psychosis,” the endocrinologist explained.

At the same time that propranolol at 60-80 mg is given orally every 4 hours and iodine are started, the patient is placed on glucocorticoids as another means of reducing peripheral conversion of T4 to T3. The options are intravenous hydrocortisone at 100-300 mg/day in divided doses or dexamethasone at 2 mg every 6 hours.

Aspirin and NSAIDs should be avoided as antipyretics because they can actually raise T3 and T4 levels. Acetaminophen is the right fever-lowering agent in the setting of thyroid storm.

Dr. Mayer has occasionally had to reach for one of several backup therapies. Prescribing a bile acid sequestrant – 20-30 g/day of cholestyramine or colestipol – will trap thyroid hormone in the intestine, preventing it from recirculating.

“Be careful to dose it away from the other medications,” she cautioned.

Also, therapeutic plasmapheresis is effective at rapidly removing circulating thyroid hormone in patients who don’t show early clinical improvement in response to multipronged medical therapy.

Dr. Mayer offered a couple of final tips to hospitalists regarding thyroid storm: Know who directs plasmapheresis at your hospital, and keep the American Thyroid Association management guidelines handy (Thyroid. 2016 Oct;26[10]:1343-421).

She reported receiving funding from both NovoNordisk and Astra Zeneca.

 

bjancin@mdedge.com

Thyroid storm is a life-threatening endocrine emergency for which, remarkably, there are no definitive diagnostic tests, and the management of which is supported by a startlingly weak evidence base.

“What’s tricky is there really are no specific biochemical level cutoffs for thyroid storm, and also no unique laboratory abnormalities. So in the end, it’s a clinical diagnosis and a clinical judgment,” Stephanie B. Mayer, MD, MHSc, observed at HM20 Virtual, hosted by the Society of Hospital Medicine.

Moreover, there are no prospective clinical trials addressing the treatment of thyroid storm, and the 2016 American Thyroid Association clinical practice guidelines on the topic are based upon low-quality evidence from case reports and studies dating back to the 1970s and 1980s. UpToDate reached the same conclusion in 2020, noted Dr. Mayer, an endocrinologist at Virginia Commonwealth University, Richmond.

Thinking that perhaps the guideline writing panel had missed something, she asked a university medical research librarian to custom-build a comprehensive search for studies on thyroid storm management. The search proved unrewarding.

“The evidence is, unfortunately, a little disappointing,” Dr. Mayer said.

Thyroid storm is a rare condition, but one that hospitalists must be ready for. She highlighted current best practices in diagnosis and management.
 

A high-mortality emergency

Thyroid storm is an extreme manifestation of thyrotoxicosis, which is marked by multiorgan dysfunction and rapid decompensation. In a large, first-of-its-kind, national retrospective U.S. study, the incidence of thyroid storm was 0.57-0.76 cases per 100,000 persons per year. Thyroid storm accounted for 16% of the more than 121,000 hospital discharges featuring a primary diagnosis of thyrotoxicosis. The in-hospital mortality rate for patients with thyroid storm was 1.2%-3.6% during the 10-year study period, a rate 12-fold higher than that among patients with thyrotoxicosis without thyroid storm (Thyroid. 2019 Jan;29[1]:36-43).

Dr. Mayer highlighted a multicenter French study that underscored the current hefty morbidity and mortality associated with thyroid storm. Among 92 patients admitted to the ICU for thyroid storm, the in-ICU mortality rate was 17%, and the mortality rate 6 months after admission was 22%. Independent risk factors for in-ICU mortality were multiorgan failure and the occurrence of cardiogenic shock within the first 48 hours in the ICU (Crit Care Med. 2020 Jan;48[1]:83-90).
 

How to recognize thyroid storm

The most user-friendly system for assistance in diagnosing thyroid storm is the one put forth by the Japan Thyroid Association and the Japan Endocrine Society, in Dr. Mayer’s view. As a prerequisite to the diagnosis a patient must have thyrotoxicosis as evidenced by elevated free thyroxine (free T4) and free or total triiodothyronine (T3), which in the vast majority of cases, is accompanied by low thyroid stimulating hormone (TSH).

The Japanese diagnostic system for thyroid storm relies on five categories of organ system–based clinical features. This approach places greater weight on disturbances of consciousness – restlessness, delirium, agitation, psychosis, lethargy, coma – than the other four components, which consist of fever of at least 100.4° F, tachycardia of 130 or more beats per minute, heart failure signs and symptoms, and gastrointestinal/hepatic involvement as evidenced by nausea, vomiting, hyperdefecation, and/or a total bilirubin level of 3.0 mg/dL or more.

The Japanese approach offers two paths to a definite diagnosis of thyroid storm. One requires at least one CNS manifestation plus symptoms drawn from any one of the other four categories. The other route, for patients without evident CNS symptoms, requires the presence of symptoms from at least three of the other four categories.

A patient is categorized as having suspected rather than definite thyroid storm if the CNS criterion isn’t met but any two of the others are. A patient also qualifies for suspected thyroid storm when CNS manifestations plus symptoms from at least one other category are present, but thyroid hormone levels aren’t available (Endocr J. 2016 Dec 30;63[12]:1025-64).

Management of thyroid storm

There is usually a precipitating event that drives the transition from smoldering thyrotoxicosis to thyroid storm.

“The big thing is to look for and treat the underlying precipitating event,” the endocrinologist stressed.

It’s often a systemic insult: severe infection, trauma, surgery, an acute MI, diabetic ketoacidosis, pulmonary embolism, or perhaps having just gone through labor. Iodine exposure in the form of IV contrast or taking amiodarone, which contains 37% iodine by weight, can also fan thyrotoxicosis into thyroid storm. Abrupt discontinuation of antithyroid medication is another common cause.

Fluid and electrolyte replacement, oxygen if appropriate, cooling blankets, and other supportive measures are also important.

Medical management targets multiple steps in thyroid hormone production and action to quell thyroid storm. The first order of business is to inhibit synthesis of new thyroid hormone by prescribing a thioamide. Dr. Mayer favors propylthiouracil over methimazole for this purpose because, not only does it block the thyroid gland from synthesizing new hormone, it also reduces conversion of T4 to T3. Propylthiouracil is usually given orally as a 500- to 1,000-mg loading dose, then 250 mg every 4 hours. The drug can also be given rectally or by nasogastric tube.

One hour or more after starting the thioamide, inorganic iodine is started to inhibit release of preformed hormone from the thyroid gland. Five drops of saturated solution of potassium iodide given every 6 hours is the recommended dose; it provides 764 mg of iodide per day. Lugol’s solution dosed at four to eight drops every 6-8 hours is an effective alternative.

Simultaneous with starting the patient on inorganic iodine, a low-dose beta blocker is introduced to control adrenergic symptoms.

“Propranolol is first line because it also decreases T4 to T3 conversion and it’s noncardioselective, so it’s better than a cardioselective beta blocker at reducing sympathetic tone-related symptoms, such as agitation, fever, and psychosis,” the endocrinologist explained.

At the same time that propranolol at 60-80 mg is given orally every 4 hours and iodine are started, the patient is placed on glucocorticoids as another means of reducing peripheral conversion of T4 to T3. The options are intravenous hydrocortisone at 100-300 mg/day in divided doses or dexamethasone at 2 mg every 6 hours.

Aspirin and NSAIDs should be avoided as antipyretics because they can actually raise T3 and T4 levels. Acetaminophen is the right fever-lowering agent in the setting of thyroid storm.

Dr. Mayer has occasionally had to reach for one of several backup therapies. Prescribing a bile acid sequestrant – 20-30 g/day of cholestyramine or colestipol – will trap thyroid hormone in the intestine, preventing it from recirculating.

“Be careful to dose it away from the other medications,” she cautioned.

Also, therapeutic plasmapheresis is effective at rapidly removing circulating thyroid hormone in patients who don’t show early clinical improvement in response to multipronged medical therapy.

Dr. Mayer offered a couple of final tips to hospitalists regarding thyroid storm: Know who directs plasmapheresis at your hospital, and keep the American Thyroid Association management guidelines handy (Thyroid. 2016 Oct;26[10]:1343-421).

She reported receiving funding from both NovoNordisk and Astra Zeneca.

 

bjancin@mdedge.com

Paige Wickner, MD, MPH, medical director for quality and safety at Brigham and Women’s Hospital and assistant professor at Harvard Medical School, both in Boston, described a scenario that might sound familiar to hospitalists.

A 72-year-old man is admitted to the hospital for a lung transplant, and has a listed allergy to “sulfa,” contained in antibiotics and other medications. His medical records say his reaction was “rash.”

What do you do?

The answer, Dr. Wickner said, speaking at HM20 Virtual, sponsored by the Society of Hospital Medicine, is to first ask more questions for clarification. How bad was the rash? Was it blistering? To what type of sulfa did the patient have a reaction?

These questions can help determine the next steps. For sulfa-based antibiotics, hospitalists can often desensitize patients with certain reaction characteristics using widely studied protocols to allow the patient to temporarily take a sulfa-containing medication.

The dominant message of Dr. Wickner’s talk on drug allergies was to get clear details on the allergic reaction – it can help guide clinicians through a path forward, either finding an alternate drug or performing further evaluation and perhaps continuing with the drug in question if the allergy turns out not to be a major concern.

“Please, for all of your patients, take an allergy history on every listed medication; often you will be able to remove or clarify the medical record and the changes can be life saving,” she said.

For instance, desensitization to sulfa for patients who’ve had a morbilliform rash without a fever can be done on an outpatient basis. But if the patient had hives, or became short of breath or anaphylactic, it needs to be done as an inpatient by an allergist, she said.

The question of drug allergies is substantial. About 35% of patients have at least one listed drug allergy, with penicillin, NSAIDs, and CT contrast agents topping the list, Dr. Wickner said. Although 10% of the general population and 15% of inpatients have a listed penicillin allergy, more than 90% of listed penicillin allergies turn out not to actually be allergic, in part because penicillin allergies are often diagnosed in childhood and are frequently outgrown over time. Having a listed allergy can impact treatment, Dr. Wickner said, with alternatives not always clear-cut.

She described one patient she saw who had 62 listed drug allergies, prompting her clinicians to wonder, “what can I safely give this patient?” Physicians, she said, subject to drug allergy “alert fatigue,” tend to override about 80% of allergy alerts, but this can sometimes have serious consequences.

“The best time to clarify is when a patient is healthy and well,” said Dr. Wickner, not when they are an inpatient and sick. It is much more difficult to test for an allergy, and to treat an allergic reaction, than when someone’s health is quickly declining.

She urged physicians to ask patients to be specific about the name of a drug they suspect they’re allergic to, about the indications, the symptoms, and the timing – an immediate reaction is much different than a symptom that showed up days later.

“Sometimes they’ll say they’re allergic to penicillin, but will tell you they’ve taken Augmentin or amoxicillin, so you can take that allergy off the list,” Dr. Wickner said.

At Brigham and Women’s Hospital and Massachusetts General Hospital, Boston, physicians have developed protocols for assessing and managing suspected allergies to penicillin, aspirin and NSAIDs, and trimethoprim/sulfamethoxazole – helpful tools, she said, because the nature and context of the reaction can matter a great deal in how to respond to the listed allergy.

If someone has a reaction, and you think it might be anaphylaxis, don’t spend time pondering it, Dr. Wickner said. “If that thought crosses your mind, treat it like anaphylaxis, then analyze after the fact.” Most patients with anaphylaxis have some cutaneous sign, even if it’s just flushing.

Dr. Wickner said that, if an allergist is available, take advantage of that. “If allergy is available in-house, utilize them. Often, skin testing and/or challenge can help patients receive first-line therapy.”

In a question-and-answer session after her presentation, Dr. Wickner said that hospitalists “have a huge role to play” in drug allergy delabeling.

“We would love to have a more standard practice of allergy reconciliation, just like we do with medication reconciliation,” she said. Asking questions to get more specifics is essential – and simply asking directly about each listed allergen is “step one, and you’ll really find it’s going to broaden the things that you can do for your patients.”

Asked about whether reactions listed as allergies are frequently just adverse effects, Dr. Wickner said that patients who say they are frequently nauseous – rather than breaking out into a rash, for example – might not be having a true allergic reaction. After careful consideration, they might be better managed with antinausea medication than avoidance of the drug.

Dr. Wickner reported no relevant financial disclosures.

Paige Wickner, MD, MPH, medical director for quality and safety at Brigham and Women’s Hospital and assistant professor at Harvard Medical School, both in Boston, described a scenario that might sound familiar to hospitalists.

A 72-year-old man is admitted to the hospital for a lung transplant, and has a listed allergy to “sulfa,” contained in antibiotics and other medications. His medical records say his reaction was “rash.”

What do you do?

The answer, Dr. Wickner said, speaking at HM20 Virtual, sponsored by the Society of Hospital Medicine, is to first ask more questions for clarification. How bad was the rash? Was it blistering? To what type of sulfa did the patient have a reaction?

These questions can help determine the next steps. For sulfa-based antibiotics, hospitalists can often desensitize patients with certain reaction characteristics using widely studied protocols to allow the patient to temporarily take a sulfa-containing medication.

The dominant message of Dr. Wickner’s talk on drug allergies was to get clear details on the allergic reaction – it can help guide clinicians through a path forward, either finding an alternate drug or performing further evaluation and perhaps continuing with the drug in question if the allergy turns out not to be a major concern.

“Please, for all of your patients, take an allergy history on every listed medication; often you will be able to remove or clarify the medical record and the changes can be life saving,” she said.

For instance, desensitization to sulfa for patients who’ve had a morbilliform rash without a fever can be done on an outpatient basis. But if the patient had hives, or became short of breath or anaphylactic, it needs to be done as an inpatient by an allergist, she said.

The question of drug allergies is substantial. About 35% of patients have at least one listed drug allergy, with penicillin, NSAIDs, and CT contrast agents topping the list, Dr. Wickner said. Although 10% of the general population and 15% of inpatients have a listed penicillin allergy, more than 90% of listed penicillin allergies turn out not to actually be allergic, in part because penicillin allergies are often diagnosed in childhood and are frequently outgrown over time. Having a listed allergy can impact treatment, Dr. Wickner said, with alternatives not always clear-cut.

She described one patient she saw who had 62 listed drug allergies, prompting her clinicians to wonder, “what can I safely give this patient?” Physicians, she said, subject to drug allergy “alert fatigue,” tend to override about 80% of allergy alerts, but this can sometimes have serious consequences.

“The best time to clarify is when a patient is healthy and well,” said Dr. Wickner, not when they are an inpatient and sick. It is much more difficult to test for an allergy, and to treat an allergic reaction, than when someone’s health is quickly declining.

She urged physicians to ask patients to be specific about the name of a drug they suspect they’re allergic to, about the indications, the symptoms, and the timing – an immediate reaction is much different than a symptom that showed up days later.

“Sometimes they’ll say they’re allergic to penicillin, but will tell you they’ve taken Augmentin or amoxicillin, so you can take that allergy off the list,” Dr. Wickner said.

At Brigham and Women’s Hospital and Massachusetts General Hospital, Boston, physicians have developed protocols for assessing and managing suspected allergies to penicillin, aspirin and NSAIDs, and trimethoprim/sulfamethoxazole – helpful tools, she said, because the nature and context of the reaction can matter a great deal in how to respond to the listed allergy.

If someone has a reaction, and you think it might be anaphylaxis, don’t spend time pondering it, Dr. Wickner said. “If that thought crosses your mind, treat it like anaphylaxis, then analyze after the fact.” Most patients with anaphylaxis have some cutaneous sign, even if it’s just flushing.

Dr. Wickner said that, if an allergist is available, take advantage of that. “If allergy is available in-house, utilize them. Often, skin testing and/or challenge can help patients receive first-line therapy.”

In a question-and-answer session after her presentation, Dr. Wickner said that hospitalists “have a huge role to play” in drug allergy delabeling.

“We would love to have a more standard practice of allergy reconciliation, just like we do with medication reconciliation,” she said. Asking questions to get more specifics is essential – and simply asking directly about each listed allergen is “step one, and you’ll really find it’s going to broaden the things that you can do for your patients.”

Asked about whether reactions listed as allergies are frequently just adverse effects, Dr. Wickner said that patients who say they are frequently nauseous – rather than breaking out into a rash, for example – might not be having a true allergic reaction. After careful consideration, they might be better managed with antinausea medication than avoidance of the drug.

Dr. Wickner reported no relevant financial disclosures.

Paige Wickner, MD, MPH, medical director for quality and safety at Brigham and Women’s Hospital and assistant professor at Harvard Medical School, both in Boston, described a scenario that might sound familiar to hospitalists.

A 72-year-old man is admitted to the hospital for a lung transplant, and has a listed allergy to “sulfa,” contained in antibiotics and other medications. His medical records say his reaction was “rash.”

What do you do?

The answer, Dr. Wickner said, speaking at HM20 Virtual, sponsored by the Society of Hospital Medicine, is to first ask more questions for clarification. How bad was the rash? Was it blistering? To what type of sulfa did the patient have a reaction?

These questions can help determine the next steps. For sulfa-based antibiotics, hospitalists can often desensitize patients with certain reaction characteristics using widely studied protocols to allow the patient to temporarily take a sulfa-containing medication.

The dominant message of Dr. Wickner’s talk on drug allergies was to get clear details on the allergic reaction – it can help guide clinicians through a path forward, either finding an alternate drug or performing further evaluation and perhaps continuing with the drug in question if the allergy turns out not to be a major concern.

“Please, for all of your patients, take an allergy history on every listed medication; often you will be able to remove or clarify the medical record and the changes can be life saving,” she said.

For instance, desensitization to sulfa for patients who’ve had a morbilliform rash without a fever can be done on an outpatient basis. But if the patient had hives, or became short of breath or anaphylactic, it needs to be done as an inpatient by an allergist, she said.

The question of drug allergies is substantial. About 35% of patients have at least one listed drug allergy, with penicillin, NSAIDs, and CT contrast agents topping the list, Dr. Wickner said. Although 10% of the general population and 15% of inpatients have a listed penicillin allergy, more than 90% of listed penicillin allergies turn out not to actually be allergic, in part because penicillin allergies are often diagnosed in childhood and are frequently outgrown over time. Having a listed allergy can impact treatment, Dr. Wickner said, with alternatives not always clear-cut.

She described one patient she saw who had 62 listed drug allergies, prompting her clinicians to wonder, “what can I safely give this patient?” Physicians, she said, subject to drug allergy “alert fatigue,” tend to override about 80% of allergy alerts, but this can sometimes have serious consequences.

“The best time to clarify is when a patient is healthy and well,” said Dr. Wickner, not when they are an inpatient and sick. It is much more difficult to test for an allergy, and to treat an allergic reaction, than when someone’s health is quickly declining.

She urged physicians to ask patients to be specific about the name of a drug they suspect they’re allergic to, about the indications, the symptoms, and the timing – an immediate reaction is much different than a symptom that showed up days later.

“Sometimes they’ll say they’re allergic to penicillin, but will tell you they’ve taken Augmentin or amoxicillin, so you can take that allergy off the list,” Dr. Wickner said.

At Brigham and Women’s Hospital and Massachusetts General Hospital, Boston, physicians have developed protocols for assessing and managing suspected allergies to penicillin, aspirin and NSAIDs, and trimethoprim/sulfamethoxazole – helpful tools, she said, because the nature and context of the reaction can matter a great deal in how to respond to the listed allergy.

If someone has a reaction, and you think it might be anaphylaxis, don’t spend time pondering it, Dr. Wickner said. “If that thought crosses your mind, treat it like anaphylaxis, then analyze after the fact.” Most patients with anaphylaxis have some cutaneous sign, even if it’s just flushing.

Dr. Wickner said that, if an allergist is available, take advantage of that. “If allergy is available in-house, utilize them. Often, skin testing and/or challenge can help patients receive first-line therapy.”

In a question-and-answer session after her presentation, Dr. Wickner said that hospitalists “have a huge role to play” in drug allergy delabeling.

“We would love to have a more standard practice of allergy reconciliation, just like we do with medication reconciliation,” she said. Asking questions to get more specifics is essential – and simply asking directly about each listed allergen is “step one, and you’ll really find it’s going to broaden the things that you can do for your patients.”

Asked about whether reactions listed as allergies are frequently just adverse effects, Dr. Wickner said that patients who say they are frequently nauseous – rather than breaking out into a rash, for example – might not be having a true allergic reaction. After careful consideration, they might be better managed with antinausea medication than avoidance of the drug.

Dr. Wickner reported no relevant financial disclosures.

The US Food and Drug Administration (FDA) has approved marketing of the first authorized diagnostic antigen test for SARS-CoV-2 that can be used without an analyzer.

Abbott

The BinaxNOW COVID-19 Ag Card (Abbott) is similar in some ways to a home pregnancy test. Clinicians read results on a card – one line for a negative result, two lines for positive.

A health care provider swabs a symptomatic patient’s nose, twirls the sample on a test card with a reagent, and waits approximately 15 minutes for results. No additional equipment is required.

Abbott expects the test to cost about $5.00, the company announced.

Office-based physicians, ED physicians, and school nurses could potentially use the product as a point-of-care test. The FDA granted the test emergency use authorization. It is approved for people suspected of having COVID-19 who are within 7 days of symptom onset.

“This new COVID-19 antigen test is an important addition to available tests because the results can be read in minutes, right off the testing card,” Jeff Shuren, MD, JD, director of the FDA’s Center for Devices and Radiological Health, wrote in a news release. “This means people will know if they have the virus in almost real time.”

“This fits into the testing landscape as a simple, inexpensive test that does not require additional equipment,” Marcus Lynch, PhD, assistant manager of the Health Care Horizon Scanning program at ECRI, told Medscape Medical News when asked to comment. ECRI is an independent, nonprofit organization that reviews and analyses COVID-19 therapeutics and diagnostics.

The test could help with early triage of patients who test positive, perhaps alerting physicians to the need to start COVID-19 therapy, added Lynch, who specializes in immunology and vaccine development. The test also could be useful in low-resource settings.

The FDA included a caveat: antigen tests are generally less sensitive than molecular assays. “Due to the potential for decreased sensitivity compared to molecular assays, negative results from an antigen test may need to be confirmed with a molecular test prior to making treatment decisions,” the agency noted.

Lynch agreed and said that when a patient tests negative, physicians still need to use their clinical judgment on the basis of symptoms and other factors. The test is not designed for population-based screening of asymptomatic people, he added.

Abbott announced plans to make up to 50 million tests available per month in the United States starting in October. The product comes with a free smartphone app that people can use to share results with an employer or with others as needed.
 

This article first appeared on Medscape.com.

The US Food and Drug Administration (FDA) has approved marketing of the first authorized diagnostic antigen test for SARS-CoV-2 that can be used without an analyzer.

Abbott

The BinaxNOW COVID-19 Ag Card (Abbott) is similar in some ways to a home pregnancy test. Clinicians read results on a card – one line for a negative result, two lines for positive.

A health care provider swabs a symptomatic patient’s nose, twirls the sample on a test card with a reagent, and waits approximately 15 minutes for results. No additional equipment is required.

Abbott expects the test to cost about $5.00, the company announced.

Office-based physicians, ED physicians, and school nurses could potentially use the product as a point-of-care test. The FDA granted the test emergency use authorization. It is approved for people suspected of having COVID-19 who are within 7 days of symptom onset.

“This new COVID-19 antigen test is an important addition to available tests because the results can be read in minutes, right off the testing card,” Jeff Shuren, MD, JD, director of the FDA’s Center for Devices and Radiological Health, wrote in a news release. “This means people will know if they have the virus in almost real time.”

“This fits into the testing landscape as a simple, inexpensive test that does not require additional equipment,” Marcus Lynch, PhD, assistant manager of the Health Care Horizon Scanning program at ECRI, told Medscape Medical News when asked to comment. ECRI is an independent, nonprofit organization that reviews and analyses COVID-19 therapeutics and diagnostics.

The test could help with early triage of patients who test positive, perhaps alerting physicians to the need to start COVID-19 therapy, added Lynch, who specializes in immunology and vaccine development. The test also could be useful in low-resource settings.

The FDA included a caveat: antigen tests are generally less sensitive than molecular assays. “Due to the potential for decreased sensitivity compared to molecular assays, negative results from an antigen test may need to be confirmed with a molecular test prior to making treatment decisions,” the agency noted.

Lynch agreed and said that when a patient tests negative, physicians still need to use their clinical judgment on the basis of symptoms and other factors. The test is not designed for population-based screening of asymptomatic people, he added.

Abbott announced plans to make up to 50 million tests available per month in the United States starting in October. The product comes with a free smartphone app that people can use to share results with an employer or with others as needed.
 

This article first appeared on Medscape.com.

The US Food and Drug Administration (FDA) has approved marketing of the first authorized diagnostic antigen test for SARS-CoV-2 that can be used without an analyzer.

Abbott

The BinaxNOW COVID-19 Ag Card (Abbott) is similar in some ways to a home pregnancy test. Clinicians read results on a card – one line for a negative result, two lines for positive.

A health care provider swabs a symptomatic patient’s nose, twirls the sample on a test card with a reagent, and waits approximately 15 minutes for results. No additional equipment is required.

Abbott expects the test to cost about $5.00, the company announced.

Office-based physicians, ED physicians, and school nurses could potentially use the product as a point-of-care test. The FDA granted the test emergency use authorization. It is approved for people suspected of having COVID-19 who are within 7 days of symptom onset.

“This new COVID-19 antigen test is an important addition to available tests because the results can be read in minutes, right off the testing card,” Jeff Shuren, MD, JD, director of the FDA’s Center for Devices and Radiological Health, wrote in a news release. “This means people will know if they have the virus in almost real time.”

“This fits into the testing landscape as a simple, inexpensive test that does not require additional equipment,” Marcus Lynch, PhD, assistant manager of the Health Care Horizon Scanning program at ECRI, told Medscape Medical News when asked to comment. ECRI is an independent, nonprofit organization that reviews and analyses COVID-19 therapeutics and diagnostics.

The test could help with early triage of patients who test positive, perhaps alerting physicians to the need to start COVID-19 therapy, added Lynch, who specializes in immunology and vaccine development. The test also could be useful in low-resource settings.

The FDA included a caveat: antigen tests are generally less sensitive than molecular assays. “Due to the potential for decreased sensitivity compared to molecular assays, negative results from an antigen test may need to be confirmed with a molecular test prior to making treatment decisions,” the agency noted.

Lynch agreed and said that when a patient tests negative, physicians still need to use their clinical judgment on the basis of symptoms and other factors. The test is not designed for population-based screening of asymptomatic people, he added.

Abbott announced plans to make up to 50 million tests available per month in the United States starting in October. The product comes with a free smartphone app that people can use to share results with an employer or with others as needed.
 

This article first appeared on Medscape.com.

Two COVID-19 vaccines are entering phase 3 clinical trials, according to data presented at a virtual meeting of vaccine and infectious disease experts.

The Advisory Committee on Immunization Practices (ACIP) of the Centers for Disease Control and Prevention (CDC) yesterday held its third meeting this summer to discuss the vaccines and plan how initial vaccines will be allocated, inasmuch as supplies will likely be limited at first. Vaccines are expected to be more available as production ramps up and as more than one vaccine become available, but vaccine allocation initially will need to take place in phases.

Considerations include first getting the vaccine to individuals who need it the most, such as healthcare personnel and essential workers, as well as those at higher risk for severe illness or death, including the elderly, those with underlying conditions, and certain racial and ethnic minorities. Other factors include storage requirements that might be difficult to meet in certain settings and the fact that both vaccines must be given in two doses.

Vaccine allocation models

The group presented two possible models for allocating initial vaccine supplies.

The first population model considers risk status within each age group on the basis of underlying health conditions and occupational group, with priority given to healthcare personnel (paid or unpaid) and essential workers. The model considers partial reopening and social distancing, expected vaccine efficacy, prevaccination immunity, mortality, and the direct and indirect benefits of vaccination.

In this model, COVID-19 infections and deaths were reduced when healthcare personnel, essential workers, or adults with underlying conditions were vaccinated. There were smaller differences between the groups with respect to the impact of vaccination. Declines in infections were “more modest” and declines in deaths were greater when adults aged 65 years and older were vaccinated in comparison with other age groups.

The second model focused on vaccination of nursing home healthcare personnel and residents. Vaccinating nursing home healthcare personnel reduced infections and deaths more than vaccinating nursing home residents.

In settings such as long-term care facilities and correction facilities, where people gather in groups, cases increase first among staff. The vaccine working group suggests that vaccinating staff may also benefit individuals living in those facilities.

The working group expects that from 15 to 45 million doses of vaccine will be available by the end of December, depending on which vaccine is approved by then or whether both are approved.

Supplies won’t be nearly enough to vaccinate everyone: There are approximately 17 to 20 million healthcare workers in the United States and 60 to 80 million essential workers who do not work in healthcare. More than 100 million adults have underlying medical conditions that put them at higher risk for hospitalization and death, such as obesity, cardiovascular disease, diabetes, and chronic obstructive pulmonary disease. And approximately 53 million adults are aged 65 years or older.

The group reviewed promising early data for two vaccines under development.

The mRNA-1273 vaccine, made by Moderna with support from two federal agencies, is moving into phase 3 clinical trials – enrollment into the COVID-19 Efficacy and Safety (COVE) study is ongoing, according to Jacqueline M. Miller, MD, senior vice president and therapeutic area head of infectious diseases. The study’s primary objective will be to determine whether two doses can prevent symptomatic COVID-19, according to an NIH news release.

A second mRNA vaccine, BNT 162b2, made by Pfizer and BioNTech, is entering phase 2/3 trials. Nearly 20% of people enrolled are Black or Hispanic persons, and 4% are Asian persons. The team is also trying to recruit Native American participants, Nicholas Kitchin, MD, senior director in Pfizer’s vaccine clinical research and development group, said in a presentation to the advisory committee.

‘Ultra-cold’ temperatures required for storage

Both vaccines require storage at lower temperatures than is usually needed for vaccines. One vaccine must be distributed and stored at -20° C, and the other must be stored, distributed, and handled at -70° C.

This issue stands out most to ACIP Chair Jose Romero, MD. He says the “ultra-cold” temperatures required for storage and transportation of the vaccines will be a “significant problem” for those in rural areas.

High-risk populations such as meat processors and agricultural workers “may have to wait until we have a more stable vaccine that can be transported and delivered more or less at room temperature,” Romero explained. He is the chief medical officer at the Arkansas Department of Health and is a professor of pediatrics and pediatric infectious diseases at the University of Arkansas for Medical Sciences, both in Little Rock.

The advisory committee will meet again on September 22. At that time, they’ll vote on an interim plan for prioritization of the first COVID-19 vaccine.

This article first appeared on Medscape.com.

Two COVID-19 vaccines are entering phase 3 clinical trials, according to data presented at a virtual meeting of vaccine and infectious disease experts.

The Advisory Committee on Immunization Practices (ACIP) of the Centers for Disease Control and Prevention (CDC) yesterday held its third meeting this summer to discuss the vaccines and plan how initial vaccines will be allocated, inasmuch as supplies will likely be limited at first. Vaccines are expected to be more available as production ramps up and as more than one vaccine become available, but vaccine allocation initially will need to take place in phases.

Considerations include first getting the vaccine to individuals who need it the most, such as healthcare personnel and essential workers, as well as those at higher risk for severe illness or death, including the elderly, those with underlying conditions, and certain racial and ethnic minorities. Other factors include storage requirements that might be difficult to meet in certain settings and the fact that both vaccines must be given in two doses.

Vaccine allocation models

The group presented two possible models for allocating initial vaccine supplies.

The first population model considers risk status within each age group on the basis of underlying health conditions and occupational group, with priority given to healthcare personnel (paid or unpaid) and essential workers. The model considers partial reopening and social distancing, expected vaccine efficacy, prevaccination immunity, mortality, and the direct and indirect benefits of vaccination.

In this model, COVID-19 infections and deaths were reduced when healthcare personnel, essential workers, or adults with underlying conditions were vaccinated. There were smaller differences between the groups with respect to the impact of vaccination. Declines in infections were “more modest” and declines in deaths were greater when adults aged 65 years and older were vaccinated in comparison with other age groups.

The second model focused on vaccination of nursing home healthcare personnel and residents. Vaccinating nursing home healthcare personnel reduced infections and deaths more than vaccinating nursing home residents.

In settings such as long-term care facilities and correction facilities, where people gather in groups, cases increase first among staff. The vaccine working group suggests that vaccinating staff may also benefit individuals living in those facilities.

The working group expects that from 15 to 45 million doses of vaccine will be available by the end of December, depending on which vaccine is approved by then or whether both are approved.

Supplies won’t be nearly enough to vaccinate everyone: There are approximately 17 to 20 million healthcare workers in the United States and 60 to 80 million essential workers who do not work in healthcare. More than 100 million adults have underlying medical conditions that put them at higher risk for hospitalization and death, such as obesity, cardiovascular disease, diabetes, and chronic obstructive pulmonary disease. And approximately 53 million adults are aged 65 years or older.

The group reviewed promising early data for two vaccines under development.

The mRNA-1273 vaccine, made by Moderna with support from two federal agencies, is moving into phase 3 clinical trials – enrollment into the COVID-19 Efficacy and Safety (COVE) study is ongoing, according to Jacqueline M. Miller, MD, senior vice president and therapeutic area head of infectious diseases. The study’s primary objective will be to determine whether two doses can prevent symptomatic COVID-19, according to an NIH news release.

A second mRNA vaccine, BNT 162b2, made by Pfizer and BioNTech, is entering phase 2/3 trials. Nearly 20% of people enrolled are Black or Hispanic persons, and 4% are Asian persons. The team is also trying to recruit Native American participants, Nicholas Kitchin, MD, senior director in Pfizer’s vaccine clinical research and development group, said in a presentation to the advisory committee.

‘Ultra-cold’ temperatures required for storage

Both vaccines require storage at lower temperatures than is usually needed for vaccines. One vaccine must be distributed and stored at -20° C, and the other must be stored, distributed, and handled at -70° C.

This issue stands out most to ACIP Chair Jose Romero, MD. He says the “ultra-cold” temperatures required for storage and transportation of the vaccines will be a “significant problem” for those in rural areas.

High-risk populations such as meat processors and agricultural workers “may have to wait until we have a more stable vaccine that can be transported and delivered more or less at room temperature,” Romero explained. He is the chief medical officer at the Arkansas Department of Health and is a professor of pediatrics and pediatric infectious diseases at the University of Arkansas for Medical Sciences, both in Little Rock.

The advisory committee will meet again on September 22. At that time, they’ll vote on an interim plan for prioritization of the first COVID-19 vaccine.

This article first appeared on Medscape.com.

Two COVID-19 vaccines are entering phase 3 clinical trials, according to data presented at a virtual meeting of vaccine and infectious disease experts.

The Advisory Committee on Immunization Practices (ACIP) of the Centers for Disease Control and Prevention (CDC) yesterday held its third meeting this summer to discuss the vaccines and plan how initial vaccines will be allocated, inasmuch as supplies will likely be limited at first. Vaccines are expected to be more available as production ramps up and as more than one vaccine become available, but vaccine allocation initially will need to take place in phases.

Considerations include first getting the vaccine to individuals who need it the most, such as healthcare personnel and essential workers, as well as those at higher risk for severe illness or death, including the elderly, those with underlying conditions, and certain racial and ethnic minorities. Other factors include storage requirements that might be difficult to meet in certain settings and the fact that both vaccines must be given in two doses.

Vaccine allocation models

The group presented two possible models for allocating initial vaccine supplies.

The first population model considers risk status within each age group on the basis of underlying health conditions and occupational group, with priority given to healthcare personnel (paid or unpaid) and essential workers. The model considers partial reopening and social distancing, expected vaccine efficacy, prevaccination immunity, mortality, and the direct and indirect benefits of vaccination.

In this model, COVID-19 infections and deaths were reduced when healthcare personnel, essential workers, or adults with underlying conditions were vaccinated. There were smaller differences between the groups with respect to the impact of vaccination. Declines in infections were “more modest” and declines in deaths were greater when adults aged 65 years and older were vaccinated in comparison with other age groups.

The second model focused on vaccination of nursing home healthcare personnel and residents. Vaccinating nursing home healthcare personnel reduced infections and deaths more than vaccinating nursing home residents.

In settings such as long-term care facilities and correction facilities, where people gather in groups, cases increase first among staff. The vaccine working group suggests that vaccinating staff may also benefit individuals living in those facilities.

The working group expects that from 15 to 45 million doses of vaccine will be available by the end of December, depending on which vaccine is approved by then or whether both are approved.

Supplies won’t be nearly enough to vaccinate everyone: There are approximately 17 to 20 million healthcare workers in the United States and 60 to 80 million essential workers who do not work in healthcare. More than 100 million adults have underlying medical conditions that put them at higher risk for hospitalization and death, such as obesity, cardiovascular disease, diabetes, and chronic obstructive pulmonary disease. And approximately 53 million adults are aged 65 years or older.

The group reviewed promising early data for two vaccines under development.

The mRNA-1273 vaccine, made by Moderna with support from two federal agencies, is moving into phase 3 clinical trials – enrollment into the COVID-19 Efficacy and Safety (COVE) study is ongoing, according to Jacqueline M. Miller, MD, senior vice president and therapeutic area head of infectious diseases. The study’s primary objective will be to determine whether two doses can prevent symptomatic COVID-19, according to an NIH news release.

A second mRNA vaccine, BNT 162b2, made by Pfizer and BioNTech, is entering phase 2/3 trials. Nearly 20% of people enrolled are Black or Hispanic persons, and 4% are Asian persons. The team is also trying to recruit Native American participants, Nicholas Kitchin, MD, senior director in Pfizer’s vaccine clinical research and development group, said in a presentation to the advisory committee.

‘Ultra-cold’ temperatures required for storage

Both vaccines require storage at lower temperatures than is usually needed for vaccines. One vaccine must be distributed and stored at -20° C, and the other must be stored, distributed, and handled at -70° C.

This issue stands out most to ACIP Chair Jose Romero, MD. He says the “ultra-cold” temperatures required for storage and transportation of the vaccines will be a “significant problem” for those in rural areas.

High-risk populations such as meat processors and agricultural workers “may have to wait until we have a more stable vaccine that can be transported and delivered more or less at room temperature,” Romero explained. He is the chief medical officer at the Arkansas Department of Health and is a professor of pediatrics and pediatric infectious diseases at the University of Arkansas for Medical Sciences, both in Little Rock.

The advisory committee will meet again on September 22. At that time, they’ll vote on an interim plan for prioritization of the first COVID-19 vaccine.

This article first appeared on Medscape.com.

As communities wrestle with the decision to send children back to school or opt for distance learning, a key question is how many children are likely to have asymptomatic SARS-CoV-2 infections. Researchers have now found that the prevalence of asymptomatic infections in children correlates with the overall incidence of COVID-19 in the local population, according to an analysis of data from 28 U.S. children’s hospitals.

Courtesy NIAID

“The strong association between prevalence of SARS-CoV-2 in children who are asymptomatic and contemporaneous weekly incidence of COVID-19 in the general population ... provides a simple means for institutions to estimate local pediatric asymptomatic prevalence from the publicly available Johns Hopkins University database,” researchers say in an article published online August 25 in JAMA Pediatrics.

Ana Marija Sola, BS, a researcher at the University of California, San Francisco, and colleagues examined the prevalence of SARS-CoV-2 infection among 33,041 children who underwent routine testing in April and May when hospitals resumed elective medical and surgical care. The hospitals performed reverse transcription–polymerase chain reaction tests for SARS-CoV-2 RNA before surgery, clinic visits, or hospital admissions. Pediatric otolaryngologists reported the prevalence data through May 29 as part of a quality improvement project.

In all, 250 patients tested positive for the virus, for an overall prevalence of 0.65%. Across 25 geographic areas, the prevalence ranged from 0% to 2.2%. By region, prevalence was highest in the Northeast, at 0.90%, and the Midwest, at 0.87%; prevalence was lower in the West, at 0.59%, and the South, at 0.52%.

To get a sense of how those rates compared with overall rates in the same geographic areas, the researchers used the Johns Hopkins University confirmed cases database to calculate the average weekly incidence of COVID-19 for the entire population for each geographic area.

“Asymptomatic pediatric prevalence was significantly associated with weekly incidence of COVID-19 in the general population during the 6-week period over which most testing of individuals without symptoms occurred,” Ms. Sola and colleagues reported. An analysis using additional data from 11 geographic areas demonstrated that this association persisted at a later time point.

The study provides “another window on the question of how likely is it that an asymptomatic child will be carrying coronavirus,” said Susan E. Coffin, MD, MPH, an attending physician for the division of infectious diseases at Children’s Hospital of Philadelphia. However, important related questions remain, said Dr. Coffin, who was not involved with the study.

For one, it is unclear how many children remain asymptomatic in comparison with those who were in a presymptomatic phase at the time of testing. And importantly, “what proportion of these children are infectious?” said Dr. Coffin. “There is some data to suggest that children with asymptomatic infection may be less infectious than children with symptomatic infection.”

It also could be that patients seen at children’s hospitals differ from the general pediatric population. “What does this look like if you do the exact same study in a group of randomly selected children, not children who are queueing up to have a procedure? ... And what do these numbers look like now that stay-at-home orders have been lifted?” Dr. Coffin asked.

Further studies are needed to establish that detection of COVID-19 in the general population is predictive of the prevalence of SARS-CoV-2 infection in asymptomatic children, Dr. Coffin said.

The authors have disclosed no relevant financial relationships.

This article first appeared on Medscape.com.

As communities wrestle with the decision to send children back to school or opt for distance learning, a key question is how many children are likely to have asymptomatic SARS-CoV-2 infections. Researchers have now found that the prevalence of asymptomatic infections in children correlates with the overall incidence of COVID-19 in the local population, according to an analysis of data from 28 U.S. children’s hospitals.

Courtesy NIAID

“The strong association between prevalence of SARS-CoV-2 in children who are asymptomatic and contemporaneous weekly incidence of COVID-19 in the general population ... provides a simple means for institutions to estimate local pediatric asymptomatic prevalence from the publicly available Johns Hopkins University database,” researchers say in an article published online August 25 in JAMA Pediatrics.

Ana Marija Sola, BS, a researcher at the University of California, San Francisco, and colleagues examined the prevalence of SARS-CoV-2 infection among 33,041 children who underwent routine testing in April and May when hospitals resumed elective medical and surgical care. The hospitals performed reverse transcription–polymerase chain reaction tests for SARS-CoV-2 RNA before surgery, clinic visits, or hospital admissions. Pediatric otolaryngologists reported the prevalence data through May 29 as part of a quality improvement project.

In all, 250 patients tested positive for the virus, for an overall prevalence of 0.65%. Across 25 geographic areas, the prevalence ranged from 0% to 2.2%. By region, prevalence was highest in the Northeast, at 0.90%, and the Midwest, at 0.87%; prevalence was lower in the West, at 0.59%, and the South, at 0.52%.

To get a sense of how those rates compared with overall rates in the same geographic areas, the researchers used the Johns Hopkins University confirmed cases database to calculate the average weekly incidence of COVID-19 for the entire population for each geographic area.

“Asymptomatic pediatric prevalence was significantly associated with weekly incidence of COVID-19 in the general population during the 6-week period over which most testing of individuals without symptoms occurred,” Ms. Sola and colleagues reported. An analysis using additional data from 11 geographic areas demonstrated that this association persisted at a later time point.

The study provides “another window on the question of how likely is it that an asymptomatic child will be carrying coronavirus,” said Susan E. Coffin, MD, MPH, an attending physician for the division of infectious diseases at Children’s Hospital of Philadelphia. However, important related questions remain, said Dr. Coffin, who was not involved with the study.

For one, it is unclear how many children remain asymptomatic in comparison with those who were in a presymptomatic phase at the time of testing. And importantly, “what proportion of these children are infectious?” said Dr. Coffin. “There is some data to suggest that children with asymptomatic infection may be less infectious than children with symptomatic infection.”

It also could be that patients seen at children’s hospitals differ from the general pediatric population. “What does this look like if you do the exact same study in a group of randomly selected children, not children who are queueing up to have a procedure? ... And what do these numbers look like now that stay-at-home orders have been lifted?” Dr. Coffin asked.

Further studies are needed to establish that detection of COVID-19 in the general population is predictive of the prevalence of SARS-CoV-2 infection in asymptomatic children, Dr. Coffin said.

The authors have disclosed no relevant financial relationships.

This article first appeared on Medscape.com.

As communities wrestle with the decision to send children back to school or opt for distance learning, a key question is how many children are likely to have asymptomatic SARS-CoV-2 infections. Researchers have now found that the prevalence of asymptomatic infections in children correlates with the overall incidence of COVID-19 in the local population, according to an analysis of data from 28 U.S. children’s hospitals.

Courtesy NIAID

“The strong association between prevalence of SARS-CoV-2 in children who are asymptomatic and contemporaneous weekly incidence of COVID-19 in the general population ... provides a simple means for institutions to estimate local pediatric asymptomatic prevalence from the publicly available Johns Hopkins University database,” researchers say in an article published online August 25 in JAMA Pediatrics.

Ana Marija Sola, BS, a researcher at the University of California, San Francisco, and colleagues examined the prevalence of SARS-CoV-2 infection among 33,041 children who underwent routine testing in April and May when hospitals resumed elective medical and surgical care. The hospitals performed reverse transcription–polymerase chain reaction tests for SARS-CoV-2 RNA before surgery, clinic visits, or hospital admissions. Pediatric otolaryngologists reported the prevalence data through May 29 as part of a quality improvement project.

In all, 250 patients tested positive for the virus, for an overall prevalence of 0.65%. Across 25 geographic areas, the prevalence ranged from 0% to 2.2%. By region, prevalence was highest in the Northeast, at 0.90%, and the Midwest, at 0.87%; prevalence was lower in the West, at 0.59%, and the South, at 0.52%.

To get a sense of how those rates compared with overall rates in the same geographic areas, the researchers used the Johns Hopkins University confirmed cases database to calculate the average weekly incidence of COVID-19 for the entire population for each geographic area.

“Asymptomatic pediatric prevalence was significantly associated with weekly incidence of COVID-19 in the general population during the 6-week period over which most testing of individuals without symptoms occurred,” Ms. Sola and colleagues reported. An analysis using additional data from 11 geographic areas demonstrated that this association persisted at a later time point.

The study provides “another window on the question of how likely is it that an asymptomatic child will be carrying coronavirus,” said Susan E. Coffin, MD, MPH, an attending physician for the division of infectious diseases at Children’s Hospital of Philadelphia. However, important related questions remain, said Dr. Coffin, who was not involved with the study.

For one, it is unclear how many children remain asymptomatic in comparison with those who were in a presymptomatic phase at the time of testing. And importantly, “what proportion of these children are infectious?” said Dr. Coffin. “There is some data to suggest that children with asymptomatic infection may be less infectious than children with symptomatic infection.”

It also could be that patients seen at children’s hospitals differ from the general pediatric population. “What does this look like if you do the exact same study in a group of randomly selected children, not children who are queueing up to have a procedure? ... And what do these numbers look like now that stay-at-home orders have been lifted?” Dr. Coffin asked.

Further studies are needed to establish that detection of COVID-19 in the general population is predictive of the prevalence of SARS-CoV-2 infection in asymptomatic children, Dr. Coffin said.

The authors have disclosed no relevant financial relationships.

This article first appeared on Medscape.com.

A recently validated, easy-to-use calculator of predicted 7-day mortality risk in patients presenting with acute decompensated heart failure is well worth incorporating into hospitalist clinical practice, Dustin T. Smith, MD, said at HM20 Virtual, hosted by the Society of Hospital Medicine.

The ACUTE study

Heart failure is an area of special interest for Dr. Smith. He has been surprised to find that virtually no hospitalists, emergency medicine physicians, or cardiologists he has spoken with have heard of the EHMRG or its validation in the ACUTE (Acute Congestive Heart Failure Urgent Care Evaluation) study. Yet this is a very handy tool for hospitalists, he observed.

The EHMRG algorithm utilizes nine variables for which data is readily available for every patient who arrives at the emergency department with acute heart failure. The variables are age, arrival by ambulance, heart rate, systolic blood pressure, potassium level, oxygen saturation, troponin, serum creatine, and presence or absence of active cancer. The information is entered into a cell phone app, which spits out the patient’s estimated 7-day mortality risk. The algorithm divides patients into one of five risk groups ranging from very low to very high. With the addition of data input as to the presence or absence of ST-segment depression on the 12-lead ECG, the weighted algorithm will simultaneously generate an estimated 30-day mortality risk.

ACUTE was a prospective, observational, real-world validation study of EHMRG involving 1,983 patients seeking emergency department care for acute heart failure at nine Canadian hospitals. The actual 7-day mortality rate was 0% in the very-low-risk group, 0% in the low-risk group, 0.6% with an intermediate-risk EHMRG, 1.9% with high risk, and 3.9% in the very-high-risk group. The corresponding 30-day mortality rates were 0%, 1.9%, 3.9%, 5.9%, and 14.3%.

The University of Toronto investigators also asked participating physicians for their clinical estimates of 7-day mortality risk while blinded to the EHMRG predictions. The algorithm proved more accurate than physician predictions across the board. Indeed, physicians consistently overestimated the mortality risk for all categories except the very-high-risk one, where they underestimated the true risk (Circulation. 2019 Feb 26;139[9]:1146-56).

Given that heart failure remains year after year at the top of the list of most frequent causes for hospital admission, and that there is compelling evidence that many low-risk patients get hospitalized while potentially unsafe early discharges also occur, the EHMRG score fills an important unmet need.

“I think this can help inform us as to who with acute heart failure potentially needs to come into the hospital and who doesn’t,” Dr. Smith said. “I think the sweet spot here is that if you’re in the low- or very-low-risk category, your 7-day mortality is less than 1%; in fact, in this study it’s zero. But once you get to category 3 – the intermediate category – you’re talking about a 7-day mortality of 1%-2%, which I think is high enough to warrant hospital admission for treatment and to watch them, not just send them home.”
 

The H2FPEF score

Diagnosis of heart failure with preserved ejection fraction (HFpEF) is a challenge in euvolemic patients with clear lungs and dyspnea on exertion. Investigators at the Mayo Clinic have developed and subsequently validated a weighted score known as the H2FPEF score that’s of great assistance in this task. The score is based upon a set of six simple variables universally available in patients undergoing diagnostic workup for the numerous potential causes for dyspnea on exertion. Together these six variables comprise the acronym H2FPEF:

• Heavy: One point for a BMI greater than 30 kg/m^2.
• Hypertension: One point for being on two or more antihypertensive drugs.
• Atrial fibrillation: Three points for paroxysmal or persistent AF.
• Pulmonary hypertension: One point for having a Doppler echocardiographic estimated pulmonary artery systolic pressure greater than 35 mm Hg.
• Elder: One point for age greater than 60 years.
• Filling pressure: One point for a Doppler echocardiographic E/e’ ratio above 9.

The total score can range from 0 to 9. (Circulation. 2018 Aug 28;138[9]:861-70).

Each 1-point increase in the score essentially doubled a patient’s risk of having HFpEF as opposed to pulmonary embolism or some other cause for the dyspnea.

“I really like this H2FPEF score. The score works very, very well. Once you get to a score of 6 or above, the probability of HFpEF is more than 90%, which is pretty powerful. I think this is worthwhile,” Dr. Smith said.

In their derivation and validation cohorts, the Mayo Clinic investigators used as their gold standard for diagnosis of HFpEF invasive hemodynamic exercise testing with a pulmonary artery catheter in place to measure pressures. A score that enables hospitalists to lessen the need for that kind of costly invasive testing is most welcome.

“Here’s how I’d use this score: With an H2FPEF score of 0-1, HFpEF is unlikely. With an intermediate score of 2-5, additional testing is warranted. If the score is high, 6-9, I think HFpEF is likely,” the hospitalist said.

Dr. Smith isn’t the only big fan of the H2FPEF score. In an editorial accompanying publication of the score’s validation study, Walter J. Paulus, MD, PhD, hailed the H2FPEF score as “a unique tour de force” which constitutes a major advance beyond the confusing diagnostic recommendations for HFpEF issued by the European Society of Cardiology and the American Society of Echocardiography, which he said have been “met by skepticism qualifying them as overcomplicated and even triggered disbelief in the existence of HFpEF.”

Particularly interesting were the variables rejected for inclusion in the H2FPEF score because they failed to achieve statistical significance as predictors, even though they’re often considered important in defining HFpEF, he noted. These included left atrial volume index, sex, and levels of circulating N-terminal probrain natriuretic peptide, wrote Dr. Paulus, professor of cardiac pathophysiology at VU University, Amsterdam.
 

Debunking the potassium repletion reflex

Longstanding conventional wisdom holds that patients hospitalized for heart failure need to maintain a serum potassium above 4.0 mEq/L.

“I’m sure you’ve all written orders to keep the potassium greater than 4.0 mEq/L and the magnesium above 2mEq/L about a million times, like I have,” Dr. Smith said.

But it turns out this traditional practice, which involves a huge cost in terms of time, money, and health care resources, is supported by weak evidence – and an important recent study has now debunked what the investigators termed the potassium “repletion reflex.”

The investigators at the University of Massachusetts identified 4,995 patients admitted with exacerbation of acute heart failure and a normal admission serum potassium level of 3.5-5.0 mEq/L. More than 70% received potassium repletion at least once within a 72-hour observation window, during which 2,080 patients maintained a low-normal serum potassium below 4.0 mEq/L, 2,326 had a mid-normal level of 4.0-4.5 mEq/L, and 589 had a high-normal level of more than 4.5 mEq/L but not more than 5.0 mEq/L.

The study had three endpoints: in-hospital mortality, transfer to the intensive care unit, and hospital length of stay. After statistical adjustment for comorbidities, demographics, and severity at admission, there was no difference between the low- and mid-normal serum potassium groups in any of the three endpoints. In contrast, the high-normal potassium group had a significantly longer length of stay, by a median of 0.6 extra days. The high-normal group also had a 78% increased likelihood of ICU transfer and a 51% increased risk of in-hospital mortality, although neither of these differences reached statistical significance (J Hosp Med. 2019 Dec 1;14[12]:729-36).

“A potassium greater than 4.5 mEq/L may be associated with increased risk of worse outcomes,” Dr. Smith observed. “I think the sweet spot may be 3.5-4.5 mEq/L based on this study.”

He reported having no financial conflicts regarding his presentation.

bjancin@mdedge.com

A recently validated, easy-to-use calculator of predicted 7-day mortality risk in patients presenting with acute decompensated heart failure is well worth incorporating into hospitalist clinical practice, Dustin T. Smith, MD, said at HM20 Virtual, hosted by the Society of Hospital Medicine.

The ACUTE study

Heart failure is an area of special interest for Dr. Smith. He has been surprised to find that virtually no hospitalists, emergency medicine physicians, or cardiologists he has spoken with have heard of the EHMRG or its validation in the ACUTE (Acute Congestive Heart Failure Urgent Care Evaluation) study. Yet this is a very handy tool for hospitalists, he observed.

The EHMRG algorithm utilizes nine variables for which data is readily available for every patient who arrives at the emergency department with acute heart failure. The variables are age, arrival by ambulance, heart rate, systolic blood pressure, potassium level, oxygen saturation, troponin, serum creatine, and presence or absence of active cancer. The information is entered into a cell phone app, which spits out the patient’s estimated 7-day mortality risk. The algorithm divides patients into one of five risk groups ranging from very low to very high. With the addition of data input as to the presence or absence of ST-segment depression on the 12-lead ECG, the weighted algorithm will simultaneously generate an estimated 30-day mortality risk.

ACUTE was a prospective, observational, real-world validation study of EHMRG involving 1,983 patients seeking emergency department care for acute heart failure at nine Canadian hospitals. The actual 7-day mortality rate was 0% in the very-low-risk group, 0% in the low-risk group, 0.6% with an intermediate-risk EHMRG, 1.9% with high risk, and 3.9% in the very-high-risk group. The corresponding 30-day mortality rates were 0%, 1.9%, 3.9%, 5.9%, and 14.3%.

The University of Toronto investigators also asked participating physicians for their clinical estimates of 7-day mortality risk while blinded to the EHMRG predictions. The algorithm proved more accurate than physician predictions across the board. Indeed, physicians consistently overestimated the mortality risk for all categories except the very-high-risk one, where they underestimated the true risk (Circulation. 2019 Feb 26;139[9]:1146-56).

Given that heart failure remains year after year at the top of the list of most frequent causes for hospital admission, and that there is compelling evidence that many low-risk patients get hospitalized while potentially unsafe early discharges also occur, the EHMRG score fills an important unmet need.

“I think this can help inform us as to who with acute heart failure potentially needs to come into the hospital and who doesn’t,” Dr. Smith said. “I think the sweet spot here is that if you’re in the low- or very-low-risk category, your 7-day mortality is less than 1%; in fact, in this study it’s zero. But once you get to category 3 – the intermediate category – you’re talking about a 7-day mortality of 1%-2%, which I think is high enough to warrant hospital admission for treatment and to watch them, not just send them home.”
 

The H2FPEF score

Diagnosis of heart failure with preserved ejection fraction (HFpEF) is a challenge in euvolemic patients with clear lungs and dyspnea on exertion. Investigators at the Mayo Clinic have developed and subsequently validated a weighted score known as the H2FPEF score that’s of great assistance in this task. The score is based upon a set of six simple variables universally available in patients undergoing diagnostic workup for the numerous potential causes for dyspnea on exertion. Together these six variables comprise the acronym H2FPEF:

• Heavy: One point for a BMI greater than 30 kg/m^2.
• Hypertension: One point for being on two or more antihypertensive drugs.
• Atrial fibrillation: Three points for paroxysmal or persistent AF.
• Pulmonary hypertension: One point for having a Doppler echocardiographic estimated pulmonary artery systolic pressure greater than 35 mm Hg.
• Elder: One point for age greater than 60 years.
• Filling pressure: One point for a Doppler echocardiographic E/e’ ratio above 9.

The total score can range from 0 to 9. (Circulation. 2018 Aug 28;138[9]:861-70).

Each 1-point increase in the score essentially doubled a patient’s risk of having HFpEF as opposed to pulmonary embolism or some other cause for the dyspnea.

“I really like this H2FPEF score. The score works very, very well. Once you get to a score of 6 or above, the probability of HFpEF is more than 90%, which is pretty powerful. I think this is worthwhile,” Dr. Smith said.

In their derivation and validation cohorts, the Mayo Clinic investigators used as their gold standard for diagnosis of HFpEF invasive hemodynamic exercise testing with a pulmonary artery catheter in place to measure pressures. A score that enables hospitalists to lessen the need for that kind of costly invasive testing is most welcome.

“Here’s how I’d use this score: With an H2FPEF score of 0-1, HFpEF is unlikely. With an intermediate score of 2-5, additional testing is warranted. If the score is high, 6-9, I think HFpEF is likely,” the hospitalist said.

Dr. Smith isn’t the only big fan of the H2FPEF score. In an editorial accompanying publication of the score’s validation study, Walter J. Paulus, MD, PhD, hailed the H2FPEF score as “a unique tour de force” which constitutes a major advance beyond the confusing diagnostic recommendations for HFpEF issued by the European Society of Cardiology and the American Society of Echocardiography, which he said have been “met by skepticism qualifying them as overcomplicated and even triggered disbelief in the existence of HFpEF.”

Particularly interesting were the variables rejected for inclusion in the H2FPEF score because they failed to achieve statistical significance as predictors, even though they’re often considered important in defining HFpEF, he noted. These included left atrial volume index, sex, and levels of circulating N-terminal probrain natriuretic peptide, wrote Dr. Paulus, professor of cardiac pathophysiology at VU University, Amsterdam.
 

Debunking the potassium repletion reflex

Longstanding conventional wisdom holds that patients hospitalized for heart failure need to maintain a serum potassium above 4.0 mEq/L.

“I’m sure you’ve all written orders to keep the potassium greater than 4.0 mEq/L and the magnesium above 2mEq/L about a million times, like I have,” Dr. Smith said.

But it turns out this traditional practice, which involves a huge cost in terms of time, money, and health care resources, is supported by weak evidence – and an important recent study has now debunked what the investigators termed the potassium “repletion reflex.”

The investigators at the University of Massachusetts identified 4,995 patients admitted with exacerbation of acute heart failure and a normal admission serum potassium level of 3.5-5.0 mEq/L. More than 70% received potassium repletion at least once within a 72-hour observation window, during which 2,080 patients maintained a low-normal serum potassium below 4.0 mEq/L, 2,326 had a mid-normal level of 4.0-4.5 mEq/L, and 589 had a high-normal level of more than 4.5 mEq/L but not more than 5.0 mEq/L.

The study had three endpoints: in-hospital mortality, transfer to the intensive care unit, and hospital length of stay. After statistical adjustment for comorbidities, demographics, and severity at admission, there was no difference between the low- and mid-normal serum potassium groups in any of the three endpoints. In contrast, the high-normal potassium group had a significantly longer length of stay, by a median of 0.6 extra days. The high-normal group also had a 78% increased likelihood of ICU transfer and a 51% increased risk of in-hospital mortality, although neither of these differences reached statistical significance (J Hosp Med. 2019 Dec 1;14[12]:729-36).

“A potassium greater than 4.5 mEq/L may be associated with increased risk of worse outcomes,” Dr. Smith observed. “I think the sweet spot may be 3.5-4.5 mEq/L based on this study.”

He reported having no financial conflicts regarding his presentation.

bjancin@mdedge.com

A recently validated, easy-to-use calculator of predicted 7-day mortality risk in patients presenting with acute decompensated heart failure is well worth incorporating into hospitalist clinical practice, Dustin T. Smith, MD, said at HM20 Virtual, hosted by the Society of Hospital Medicine.

The ACUTE study

Heart failure is an area of special interest for Dr. Smith. He has been surprised to find that virtually no hospitalists, emergency medicine physicians, or cardiologists he has spoken with have heard of the EHMRG or its validation in the ACUTE (Acute Congestive Heart Failure Urgent Care Evaluation) study. Yet this is a very handy tool for hospitalists, he observed.

The EHMRG algorithm utilizes nine variables for which data is readily available for every patient who arrives at the emergency department with acute heart failure. The variables are age, arrival by ambulance, heart rate, systolic blood pressure, potassium level, oxygen saturation, troponin, serum creatine, and presence or absence of active cancer. The information is entered into a cell phone app, which spits out the patient’s estimated 7-day mortality risk. The algorithm divides patients into one of five risk groups ranging from very low to very high. With the addition of data input as to the presence or absence of ST-segment depression on the 12-lead ECG, the weighted algorithm will simultaneously generate an estimated 30-day mortality risk.

ACUTE was a prospective, observational, real-world validation study of EHMRG involving 1,983 patients seeking emergency department care for acute heart failure at nine Canadian hospitals. The actual 7-day mortality rate was 0% in the very-low-risk group, 0% in the low-risk group, 0.6% with an intermediate-risk EHMRG, 1.9% with high risk, and 3.9% in the very-high-risk group. The corresponding 30-day mortality rates were 0%, 1.9%, 3.9%, 5.9%, and 14.3%.

The University of Toronto investigators also asked participating physicians for their clinical estimates of 7-day mortality risk while blinded to the EHMRG predictions. The algorithm proved more accurate than physician predictions across the board. Indeed, physicians consistently overestimated the mortality risk for all categories except the very-high-risk one, where they underestimated the true risk (Circulation. 2019 Feb 26;139[9]:1146-56).

Given that heart failure remains year after year at the top of the list of most frequent causes for hospital admission, and that there is compelling evidence that many low-risk patients get hospitalized while potentially unsafe early discharges also occur, the EHMRG score fills an important unmet need.

“I think this can help inform us as to who with acute heart failure potentially needs to come into the hospital and who doesn’t,” Dr. Smith said. “I think the sweet spot here is that if you’re in the low- or very-low-risk category, your 7-day mortality is less than 1%; in fact, in this study it’s zero. But once you get to category 3 – the intermediate category – you’re talking about a 7-day mortality of 1%-2%, which I think is high enough to warrant hospital admission for treatment and to watch them, not just send them home.”
 

The H2FPEF score

Diagnosis of heart failure with preserved ejection fraction (HFpEF) is a challenge in euvolemic patients with clear lungs and dyspnea on exertion. Investigators at the Mayo Clinic have developed and subsequently validated a weighted score known as the H2FPEF score that’s of great assistance in this task. The score is based upon a set of six simple variables universally available in patients undergoing diagnostic workup for the numerous potential causes for dyspnea on exertion. Together these six variables comprise the acronym H2FPEF:

• Heavy: One point for a BMI greater than 30 kg/m^2.
• Hypertension: One point for being on two or more antihypertensive drugs.
• Atrial fibrillation: Three points for paroxysmal or persistent AF.
• Pulmonary hypertension: One point for having a Doppler echocardiographic estimated pulmonary artery systolic pressure greater than 35 mm Hg.
• Elder: One point for age greater than 60 years.
• Filling pressure: One point for a Doppler echocardiographic E/e’ ratio above 9.

The total score can range from 0 to 9. (Circulation. 2018 Aug 28;138[9]:861-70).

Each 1-point increase in the score essentially doubled a patient’s risk of having HFpEF as opposed to pulmonary embolism or some other cause for the dyspnea.

“I really like this H2FPEF score. The score works very, very well. Once you get to a score of 6 or above, the probability of HFpEF is more than 90%, which is pretty powerful. I think this is worthwhile,” Dr. Smith said.

In their derivation and validation cohorts, the Mayo Clinic investigators used as their gold standard for diagnosis of HFpEF invasive hemodynamic exercise testing with a pulmonary artery catheter in place to measure pressures. A score that enables hospitalists to lessen the need for that kind of costly invasive testing is most welcome.

“Here’s how I’d use this score: With an H2FPEF score of 0-1, HFpEF is unlikely. With an intermediate score of 2-5, additional testing is warranted. If the score is high, 6-9, I think HFpEF is likely,” the hospitalist said.

Dr. Smith isn’t the only big fan of the H2FPEF score. In an editorial accompanying publication of the score’s validation study, Walter J. Paulus, MD, PhD, hailed the H2FPEF score as “a unique tour de force” which constitutes a major advance beyond the confusing diagnostic recommendations for HFpEF issued by the European Society of Cardiology and the American Society of Echocardiography, which he said have been “met by skepticism qualifying them as overcomplicated and even triggered disbelief in the existence of HFpEF.”

Particularly interesting were the variables rejected for inclusion in the H2FPEF score because they failed to achieve statistical significance as predictors, even though they’re often considered important in defining HFpEF, he noted. These included left atrial volume index, sex, and levels of circulating N-terminal probrain natriuretic peptide, wrote Dr. Paulus, professor of cardiac pathophysiology at VU University, Amsterdam.
 

Debunking the potassium repletion reflex

Longstanding conventional wisdom holds that patients hospitalized for heart failure need to maintain a serum potassium above 4.0 mEq/L.

“I’m sure you’ve all written orders to keep the potassium greater than 4.0 mEq/L and the magnesium above 2mEq/L about a million times, like I have,” Dr. Smith said.

But it turns out this traditional practice, which involves a huge cost in terms of time, money, and health care resources, is supported by weak evidence – and an important recent study has now debunked what the investigators termed the potassium “repletion reflex.”

The investigators at the University of Massachusetts identified 4,995 patients admitted with exacerbation of acute heart failure and a normal admission serum potassium level of 3.5-5.0 mEq/L. More than 70% received potassium repletion at least once within a 72-hour observation window, during which 2,080 patients maintained a low-normal serum potassium below 4.0 mEq/L, 2,326 had a mid-normal level of 4.0-4.5 mEq/L, and 589 had a high-normal level of more than 4.5 mEq/L but not more than 5.0 mEq/L.

The study had three endpoints: in-hospital mortality, transfer to the intensive care unit, and hospital length of stay. After statistical adjustment for comorbidities, demographics, and severity at admission, there was no difference between the low- and mid-normal serum potassium groups in any of the three endpoints. In contrast, the high-normal potassium group had a significantly longer length of stay, by a median of 0.6 extra days. The high-normal group also had a 78% increased likelihood of ICU transfer and a 51% increased risk of in-hospital mortality, although neither of these differences reached statistical significance (J Hosp Med. 2019 Dec 1;14[12]:729-36).

“A potassium greater than 4.5 mEq/L may be associated with increased risk of worse outcomes,” Dr. Smith observed. “I think the sweet spot may be 3.5-4.5 mEq/L based on this study.”

He reported having no financial conflicts regarding his presentation.

bjancin@mdedge.com