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E/M Coding in 2021: The Times (and More) Are A-Changin’
Effective on January 1, 2021, the outpatient evaluation and management (E/M) codes underwent substantial changes, which were the culmination of multiple years of revision and surveying via the American Medical Association (AMA) Relative Value Scale Update Committee and Current Procedural Terminology (RUC-CPT) process to streamline definitions and promote consistency as well as to decrease the administrative burden for all specialties within the house of medicine.1 These updates represent a notable change from the previous documentation requirements for this oft used family of codes. Herein, we break down some of the highlights of the changes and how they may be applied for some commonly used dermatologic diagnoses.
Time Is Time Is Time
Prior to the 2021 revisions, a physician generally could only code for an E/M level by time for a face-to-face encounter dominated by counseling and/or care coordination. With the new updates, any encounter can be coded by total time spent by the physician with the patient1; however, clinical staff time is not included. There also are now clear guidelines of the time ranges corresponding to the level of E/M,1 as noted in Table 1.
Importantly, time now includes not just face-to-face time with the patient but also any time on the date of the encounter that the physician is involved in the care of the patient when not reported with a separate code. This can include reviewing notes or data before or after the examination, care coordination, ordering laboratory tests, and providing any documentation related to the encounter. Importantly, this applies only when these activities are done on the date of the encounter.
If you work with a nurse practitioner or physician assistant (PA) who assists you and you are the one reporting the service, you cannot double-dip. For example, if your PA spends 10 minutes alone with a patient, you are in the room together for 5 minutes, the PA spends another 10 minutes alone with the patient afterward, and you do chart work for 10 minutes at the end of the day, the total time spent is 35 minutes, not 40 minutes, as you cannot count the time you and the PA spent together twice.
Decisions, Decisions
Evaluation and management coding also can be determined via the level of medical decision-making (MDM). Per the 2021 guidelines, MDM is comprised of 3 categories: (1) number and complexity of problems addressed at the encounter, (2) amount and/or complexity of data to be reviewed or analyzed, and (3) risk of complications and/or morbidity or mortality of patient management.1 To reach a certain overall E/M level, 2 of 3 categories must be met or exceeded. Let’s dive into each of these in a little more detail.
Number and Complexity of Problems Addressed at the Encounter
First, it is important to understand the definition of a problem addressed. Per AMA guidelines, this includes a disease, condition, illness, injury, symptom, sign, finding, complaint, or other matter addressed at the encounter that is evaluated or treated at the encounter by the physician. If the problem is referred to another provider without evaluation or consideration of treatment, it is not considered to be a problem addressed and cannot count toward this first category. An example could be a patient with a lump on the abdomen that you refer to plastic or general surgery for evaluation and treatment.
Once you have determined that you are addressing a problem, you will need to determine the level of complexity of the problem, as outlined in Table 2. Keep in mind that some entities and disease states in dermatology may fit the requirements of more than 1 level of complexity depending on the clinical situation, while there are many entities in dermatology that may not be perfectly captured by any of the levels described. In these situations, clinical judgement is required to determine where the problem would best fit. Importantly, whatever you decide, your documentation should support that decision.
Amount and/or Complexity of Data to Be Reviewed and Analyzed
This category encompasses any external notes reviewed, unique laboratory tests or imaging ordered or reviewed, the need for an independent historian or discussion with external health care providers or appropriate sources, or independent interpretation of tests. Some high-yield definitions in this category are outlined in Table 3.
Risk of Complications and/or Morbidity or Mortality of Patient Management
In this category, risk relates to both the patient’s diagnosis and treatment(s). Importantly, for treatment and diagnostic options, these include both the options selected and those considered but not selected. Risk is defined as the probability and/or consequences of an event and is based on the usual behavior and thought processes of a physician in the same specialty. In other words, think of the risk as compared to risk in the setting of other dermatologists diagnosing and/or treating the same condition.
Social determinants of health also play a part in this category and are defined as economic and social conditions that influence the health of individuals and communities. Social determinants of health can be indicated by the specific corresponding International Statistical Classification of Diseases, Tenth Revision code and may need to be included in your billing according to specific institutional or carrier guidelines if they are a factor in your level of MDM.
For the purposes of MDM, risk is stratified into minimal, low, moderate, and high. Some examples for each level are outlined in Table 4.
Putting It All Together
Once you have determined each of the above 3 categories, you can put them together into the MDM chart to ascertain the overall level of MDM. (The official AMA medical decision-making grid is available online [https://www.ama-assn.org/system/files/2019-06/cpt-revised-mdm-grid.pdf]). Keep in mind that 2 of 3 columns in the table must be obtained in that level to reach an overall E/M level; for example, a visit that addresses 2 self-limited or minor problems (level 3) in which no data is reviewed (level 2) and involves prescribing a new medication (level 4), would be an overall level 3 visit.
Final Thoughts
The outpatient E/M guidelines have undergone substantial revisions; therefore, it is crucial to understand the updated definitions to ensure proper billing and documentation. History and physical examination documentation must be medically appropriate but are no longer used to determine overall E/M level; time and MDM are the sole options that can be used. Importantly, try to code as accurately as possible, documenting which problems were both noted and addressed. If you are unsure of a definition within the updated changes and MDM table, referencing the appropriate sources for guidance is recommended.
Although representing a considerable shift, the revaluation of this family of codes and the intended decrease in documentation burden has the ability to be a positive gain for dermatologists. Expect other code families to mirror these changes in the next few years.
- American Medical Association. CPT® Evaluation and management (E/M) office or other outpatient (99202-99215) and prolonged services (99354, 99355, 99356, 99417) code and guideline changes. Accessed May 14, 2021. https://www.ama-assn.org/system/files/2019-06/cpt-office-prolonged-svs-code-changes.pdf
Effective on January 1, 2021, the outpatient evaluation and management (E/M) codes underwent substantial changes, which were the culmination of multiple years of revision and surveying via the American Medical Association (AMA) Relative Value Scale Update Committee and Current Procedural Terminology (RUC-CPT) process to streamline definitions and promote consistency as well as to decrease the administrative burden for all specialties within the house of medicine.1 These updates represent a notable change from the previous documentation requirements for this oft used family of codes. Herein, we break down some of the highlights of the changes and how they may be applied for some commonly used dermatologic diagnoses.
Time Is Time Is Time
Prior to the 2021 revisions, a physician generally could only code for an E/M level by time for a face-to-face encounter dominated by counseling and/or care coordination. With the new updates, any encounter can be coded by total time spent by the physician with the patient1; however, clinical staff time is not included. There also are now clear guidelines of the time ranges corresponding to the level of E/M,1 as noted in Table 1.
Importantly, time now includes not just face-to-face time with the patient but also any time on the date of the encounter that the physician is involved in the care of the patient when not reported with a separate code. This can include reviewing notes or data before or after the examination, care coordination, ordering laboratory tests, and providing any documentation related to the encounter. Importantly, this applies only when these activities are done on the date of the encounter.
If you work with a nurse practitioner or physician assistant (PA) who assists you and you are the one reporting the service, you cannot double-dip. For example, if your PA spends 10 minutes alone with a patient, you are in the room together for 5 minutes, the PA spends another 10 minutes alone with the patient afterward, and you do chart work for 10 minutes at the end of the day, the total time spent is 35 minutes, not 40 minutes, as you cannot count the time you and the PA spent together twice.
Decisions, Decisions
Evaluation and management coding also can be determined via the level of medical decision-making (MDM). Per the 2021 guidelines, MDM is comprised of 3 categories: (1) number and complexity of problems addressed at the encounter, (2) amount and/or complexity of data to be reviewed or analyzed, and (3) risk of complications and/or morbidity or mortality of patient management.1 To reach a certain overall E/M level, 2 of 3 categories must be met or exceeded. Let’s dive into each of these in a little more detail.
Number and Complexity of Problems Addressed at the Encounter
First, it is important to understand the definition of a problem addressed. Per AMA guidelines, this includes a disease, condition, illness, injury, symptom, sign, finding, complaint, or other matter addressed at the encounter that is evaluated or treated at the encounter by the physician. If the problem is referred to another provider without evaluation or consideration of treatment, it is not considered to be a problem addressed and cannot count toward this first category. An example could be a patient with a lump on the abdomen that you refer to plastic or general surgery for evaluation and treatment.
Once you have determined that you are addressing a problem, you will need to determine the level of complexity of the problem, as outlined in Table 2. Keep in mind that some entities and disease states in dermatology may fit the requirements of more than 1 level of complexity depending on the clinical situation, while there are many entities in dermatology that may not be perfectly captured by any of the levels described. In these situations, clinical judgement is required to determine where the problem would best fit. Importantly, whatever you decide, your documentation should support that decision.
Amount and/or Complexity of Data to Be Reviewed and Analyzed
This category encompasses any external notes reviewed, unique laboratory tests or imaging ordered or reviewed, the need for an independent historian or discussion with external health care providers or appropriate sources, or independent interpretation of tests. Some high-yield definitions in this category are outlined in Table 3.
Risk of Complications and/or Morbidity or Mortality of Patient Management
In this category, risk relates to both the patient’s diagnosis and treatment(s). Importantly, for treatment and diagnostic options, these include both the options selected and those considered but not selected. Risk is defined as the probability and/or consequences of an event and is based on the usual behavior and thought processes of a physician in the same specialty. In other words, think of the risk as compared to risk in the setting of other dermatologists diagnosing and/or treating the same condition.
Social determinants of health also play a part in this category and are defined as economic and social conditions that influence the health of individuals and communities. Social determinants of health can be indicated by the specific corresponding International Statistical Classification of Diseases, Tenth Revision code and may need to be included in your billing according to specific institutional or carrier guidelines if they are a factor in your level of MDM.
For the purposes of MDM, risk is stratified into minimal, low, moderate, and high. Some examples for each level are outlined in Table 4.
Putting It All Together
Once you have determined each of the above 3 categories, you can put them together into the MDM chart to ascertain the overall level of MDM. (The official AMA medical decision-making grid is available online [https://www.ama-assn.org/system/files/2019-06/cpt-revised-mdm-grid.pdf]). Keep in mind that 2 of 3 columns in the table must be obtained in that level to reach an overall E/M level; for example, a visit that addresses 2 self-limited or minor problems (level 3) in which no data is reviewed (level 2) and involves prescribing a new medication (level 4), would be an overall level 3 visit.
Final Thoughts
The outpatient E/M guidelines have undergone substantial revisions; therefore, it is crucial to understand the updated definitions to ensure proper billing and documentation. History and physical examination documentation must be medically appropriate but are no longer used to determine overall E/M level; time and MDM are the sole options that can be used. Importantly, try to code as accurately as possible, documenting which problems were both noted and addressed. If you are unsure of a definition within the updated changes and MDM table, referencing the appropriate sources for guidance is recommended.
Although representing a considerable shift, the revaluation of this family of codes and the intended decrease in documentation burden has the ability to be a positive gain for dermatologists. Expect other code families to mirror these changes in the next few years.
Effective on January 1, 2021, the outpatient evaluation and management (E/M) codes underwent substantial changes, which were the culmination of multiple years of revision and surveying via the American Medical Association (AMA) Relative Value Scale Update Committee and Current Procedural Terminology (RUC-CPT) process to streamline definitions and promote consistency as well as to decrease the administrative burden for all specialties within the house of medicine.1 These updates represent a notable change from the previous documentation requirements for this oft used family of codes. Herein, we break down some of the highlights of the changes and how they may be applied for some commonly used dermatologic diagnoses.
Time Is Time Is Time
Prior to the 2021 revisions, a physician generally could only code for an E/M level by time for a face-to-face encounter dominated by counseling and/or care coordination. With the new updates, any encounter can be coded by total time spent by the physician with the patient1; however, clinical staff time is not included. There also are now clear guidelines of the time ranges corresponding to the level of E/M,1 as noted in Table 1.
Importantly, time now includes not just face-to-face time with the patient but also any time on the date of the encounter that the physician is involved in the care of the patient when not reported with a separate code. This can include reviewing notes or data before or after the examination, care coordination, ordering laboratory tests, and providing any documentation related to the encounter. Importantly, this applies only when these activities are done on the date of the encounter.
If you work with a nurse practitioner or physician assistant (PA) who assists you and you are the one reporting the service, you cannot double-dip. For example, if your PA spends 10 minutes alone with a patient, you are in the room together for 5 minutes, the PA spends another 10 minutes alone with the patient afterward, and you do chart work for 10 minutes at the end of the day, the total time spent is 35 minutes, not 40 minutes, as you cannot count the time you and the PA spent together twice.
Decisions, Decisions
Evaluation and management coding also can be determined via the level of medical decision-making (MDM). Per the 2021 guidelines, MDM is comprised of 3 categories: (1) number and complexity of problems addressed at the encounter, (2) amount and/or complexity of data to be reviewed or analyzed, and (3) risk of complications and/or morbidity or mortality of patient management.1 To reach a certain overall E/M level, 2 of 3 categories must be met or exceeded. Let’s dive into each of these in a little more detail.
Number and Complexity of Problems Addressed at the Encounter
First, it is important to understand the definition of a problem addressed. Per AMA guidelines, this includes a disease, condition, illness, injury, symptom, sign, finding, complaint, or other matter addressed at the encounter that is evaluated or treated at the encounter by the physician. If the problem is referred to another provider without evaluation or consideration of treatment, it is not considered to be a problem addressed and cannot count toward this first category. An example could be a patient with a lump on the abdomen that you refer to plastic or general surgery for evaluation and treatment.
Once you have determined that you are addressing a problem, you will need to determine the level of complexity of the problem, as outlined in Table 2. Keep in mind that some entities and disease states in dermatology may fit the requirements of more than 1 level of complexity depending on the clinical situation, while there are many entities in dermatology that may not be perfectly captured by any of the levels described. In these situations, clinical judgement is required to determine where the problem would best fit. Importantly, whatever you decide, your documentation should support that decision.
Amount and/or Complexity of Data to Be Reviewed and Analyzed
This category encompasses any external notes reviewed, unique laboratory tests or imaging ordered or reviewed, the need for an independent historian or discussion with external health care providers or appropriate sources, or independent interpretation of tests. Some high-yield definitions in this category are outlined in Table 3.
Risk of Complications and/or Morbidity or Mortality of Patient Management
In this category, risk relates to both the patient’s diagnosis and treatment(s). Importantly, for treatment and diagnostic options, these include both the options selected and those considered but not selected. Risk is defined as the probability and/or consequences of an event and is based on the usual behavior and thought processes of a physician in the same specialty. In other words, think of the risk as compared to risk in the setting of other dermatologists diagnosing and/or treating the same condition.
Social determinants of health also play a part in this category and are defined as economic and social conditions that influence the health of individuals and communities. Social determinants of health can be indicated by the specific corresponding International Statistical Classification of Diseases, Tenth Revision code and may need to be included in your billing according to specific institutional or carrier guidelines if they are a factor in your level of MDM.
For the purposes of MDM, risk is stratified into minimal, low, moderate, and high. Some examples for each level are outlined in Table 4.
Putting It All Together
Once you have determined each of the above 3 categories, you can put them together into the MDM chart to ascertain the overall level of MDM. (The official AMA medical decision-making grid is available online [https://www.ama-assn.org/system/files/2019-06/cpt-revised-mdm-grid.pdf]). Keep in mind that 2 of 3 columns in the table must be obtained in that level to reach an overall E/M level; for example, a visit that addresses 2 self-limited or minor problems (level 3) in which no data is reviewed (level 2) and involves prescribing a new medication (level 4), would be an overall level 3 visit.
Final Thoughts
The outpatient E/M guidelines have undergone substantial revisions; therefore, it is crucial to understand the updated definitions to ensure proper billing and documentation. History and physical examination documentation must be medically appropriate but are no longer used to determine overall E/M level; time and MDM are the sole options that can be used. Importantly, try to code as accurately as possible, documenting which problems were both noted and addressed. If you are unsure of a definition within the updated changes and MDM table, referencing the appropriate sources for guidance is recommended.
Although representing a considerable shift, the revaluation of this family of codes and the intended decrease in documentation burden has the ability to be a positive gain for dermatologists. Expect other code families to mirror these changes in the next few years.
- American Medical Association. CPT® Evaluation and management (E/M) office or other outpatient (99202-99215) and prolonged services (99354, 99355, 99356, 99417) code and guideline changes. Accessed May 14, 2021. https://www.ama-assn.org/system/files/2019-06/cpt-office-prolonged-svs-code-changes.pdf
- American Medical Association. CPT® Evaluation and management (E/M) office or other outpatient (99202-99215) and prolonged services (99354, 99355, 99356, 99417) code and guideline changes. Accessed May 14, 2021. https://www.ama-assn.org/system/files/2019-06/cpt-office-prolonged-svs-code-changes.pdf
Practice Points
- The outpatient evaluation and management (E/M) codes have undergone substantial changes that took effect January 1, 2021.
- Outpatient E/M visits are now coded based on time or level of medical decision-making (MDM).
- Time now includes all preservice, intraservice, and postservice time the physician spends with the patient on the date of the encounter.
- Many of the key definitions used in order to determine level of MDM have been streamlined and updated.
MDS: Elevated mature monocytes in bone marrow can supplement IPSS-R as a prognostic indicator
Key clinical point: Increased percentage of mature monocyte in bone marrow (PMMBM) may assist the Revised International Prognostic Scoring System (IPSS-R) to predict poor prognosis in patients with myelodysplastic syndromes (MDS).
Major finding: Elevated (>6%) vs. normal PMMBM was associated with shorter overall survival (24 months vs. 37 months; P = .026) along with higher risk distribution in terms of IPSS-R (P = .025) and higher frequency of IDH2 mutation (P = .007).
Study details: The data come from a retrospective analysis of 216 MDS patients, categorized into elevated and normal PMMBM groups.
Disclosures: The study was supported by the Zhejiang Provincial Natural Science Foundation of China, Medical and Health Science and Technology Projects of Zhejiang Province, National Science Foundation of Ningbo, and Chinese Medicine Science and Technology Plan Project of Zhejiang Province. The authors declared no conflicts of interest.
Source: Wu A et al. BMC Cancer. 2021 May 13. doi: 10.1186/s12885-021-08303-8.
Key clinical point: Increased percentage of mature monocyte in bone marrow (PMMBM) may assist the Revised International Prognostic Scoring System (IPSS-R) to predict poor prognosis in patients with myelodysplastic syndromes (MDS).
Major finding: Elevated (>6%) vs. normal PMMBM was associated with shorter overall survival (24 months vs. 37 months; P = .026) along with higher risk distribution in terms of IPSS-R (P = .025) and higher frequency of IDH2 mutation (P = .007).
Study details: The data come from a retrospective analysis of 216 MDS patients, categorized into elevated and normal PMMBM groups.
Disclosures: The study was supported by the Zhejiang Provincial Natural Science Foundation of China, Medical and Health Science and Technology Projects of Zhejiang Province, National Science Foundation of Ningbo, and Chinese Medicine Science and Technology Plan Project of Zhejiang Province. The authors declared no conflicts of interest.
Source: Wu A et al. BMC Cancer. 2021 May 13. doi: 10.1186/s12885-021-08303-8.
Key clinical point: Increased percentage of mature monocyte in bone marrow (PMMBM) may assist the Revised International Prognostic Scoring System (IPSS-R) to predict poor prognosis in patients with myelodysplastic syndromes (MDS).
Major finding: Elevated (>6%) vs. normal PMMBM was associated with shorter overall survival (24 months vs. 37 months; P = .026) along with higher risk distribution in terms of IPSS-R (P = .025) and higher frequency of IDH2 mutation (P = .007).
Study details: The data come from a retrospective analysis of 216 MDS patients, categorized into elevated and normal PMMBM groups.
Disclosures: The study was supported by the Zhejiang Provincial Natural Science Foundation of China, Medical and Health Science and Technology Projects of Zhejiang Province, National Science Foundation of Ningbo, and Chinese Medicine Science and Technology Plan Project of Zhejiang Province. The authors declared no conflicts of interest.
Source: Wu A et al. BMC Cancer. 2021 May 13. doi: 10.1186/s12885-021-08303-8.
MDS: Antibiotics can be stopped after 3 days in patients with febrile neutropenia after chemotherapy
Key clinical point: During remission induction chemotherapy in patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML), antibiotics can be safely stopped after 3 days of febrile neutropenia in the absence of infection.
Major finding: Serious medical complication (SMC) was seen in 12.5% of patients receiving the 3-day empirical broad-spectrum antibiotic therapy (EBAT) vs. 8.9% of patients receiving the prolonged regimen (P = .17). After adjustment for confounders, there was no significant difference between both strategies in the number of SMCs (hazard ratio, 1.357; P = .297).
Study details: AML or MDS patients who received chemotherapy were treated with either 3-day EBAT or a prolonged antibiotic regimen (until neutrophil recovery).
Disclosures: The study did not receive any specific funding. A Schauwvlieghe, J Maertens, and T Mercier reported relationships with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Schauwvlieghe A et al. EClinicalMedicine. 2021 Apr 25. doi: 10.1016/j.eclinm.2021.100855.
Key clinical point: During remission induction chemotherapy in patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML), antibiotics can be safely stopped after 3 days of febrile neutropenia in the absence of infection.
Major finding: Serious medical complication (SMC) was seen in 12.5% of patients receiving the 3-day empirical broad-spectrum antibiotic therapy (EBAT) vs. 8.9% of patients receiving the prolonged regimen (P = .17). After adjustment for confounders, there was no significant difference between both strategies in the number of SMCs (hazard ratio, 1.357; P = .297).
Study details: AML or MDS patients who received chemotherapy were treated with either 3-day EBAT or a prolonged antibiotic regimen (until neutrophil recovery).
Disclosures: The study did not receive any specific funding. A Schauwvlieghe, J Maertens, and T Mercier reported relationships with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Schauwvlieghe A et al. EClinicalMedicine. 2021 Apr 25. doi: 10.1016/j.eclinm.2021.100855.
Key clinical point: During remission induction chemotherapy in patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML), antibiotics can be safely stopped after 3 days of febrile neutropenia in the absence of infection.
Major finding: Serious medical complication (SMC) was seen in 12.5% of patients receiving the 3-day empirical broad-spectrum antibiotic therapy (EBAT) vs. 8.9% of patients receiving the prolonged regimen (P = .17). After adjustment for confounders, there was no significant difference between both strategies in the number of SMCs (hazard ratio, 1.357; P = .297).
Study details: AML or MDS patients who received chemotherapy were treated with either 3-day EBAT or a prolonged antibiotic regimen (until neutrophil recovery).
Disclosures: The study did not receive any specific funding. A Schauwvlieghe, J Maertens, and T Mercier reported relationships with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Schauwvlieghe A et al. EClinicalMedicine. 2021 Apr 25. doi: 10.1016/j.eclinm.2021.100855.
De novo MDS: Pretransplant RBC and platelet transfusion burden tied to poor survival outcomes
Key clinical point: Higher pretransplant red blood cell (RBC) and platelet transfusion burden has an independent association with higher overall and relapse-related mortality following allogeneic hematopoietic stem cell transplantation (allo-HSCT) for de novo myelodysplastic syndrome (MDS).
Major finding: A higher pretransplant RBC transfusion burden was significantly associated with lower overall survival (OS; P less than .001) and higher relapse-related mortality (P less than .001). Similarly, a higher pretransplant platelet transfusion burden was associated with lower OS (P less than .001) and higher relapse-related mortality (P = .001).
Study details: A retrospective study examined the effects of pretransplant RBC and platelet transfusion burden on outcomes after allo-HSCT in 1,007 adults with de novo MDS.
Disclosures: This study was supported in part by the Practical Research Project for Allergic Diseases and Immunology (Research Technology of Medical Transplantation) from the Japan Agency for Medical Research and Development. The authors declared no conflicts of interest.
Source: Konuma T et al. Transplant Cell Ther. 2021 May 12. doi: 10.1016/j.jtct.2021.05.003.
Key clinical point: Higher pretransplant red blood cell (RBC) and platelet transfusion burden has an independent association with higher overall and relapse-related mortality following allogeneic hematopoietic stem cell transplantation (allo-HSCT) for de novo myelodysplastic syndrome (MDS).
Major finding: A higher pretransplant RBC transfusion burden was significantly associated with lower overall survival (OS; P less than .001) and higher relapse-related mortality (P less than .001). Similarly, a higher pretransplant platelet transfusion burden was associated with lower OS (P less than .001) and higher relapse-related mortality (P = .001).
Study details: A retrospective study examined the effects of pretransplant RBC and platelet transfusion burden on outcomes after allo-HSCT in 1,007 adults with de novo MDS.
Disclosures: This study was supported in part by the Practical Research Project for Allergic Diseases and Immunology (Research Technology of Medical Transplantation) from the Japan Agency for Medical Research and Development. The authors declared no conflicts of interest.
Source: Konuma T et al. Transplant Cell Ther. 2021 May 12. doi: 10.1016/j.jtct.2021.05.003.
Key clinical point: Higher pretransplant red blood cell (RBC) and platelet transfusion burden has an independent association with higher overall and relapse-related mortality following allogeneic hematopoietic stem cell transplantation (allo-HSCT) for de novo myelodysplastic syndrome (MDS).
Major finding: A higher pretransplant RBC transfusion burden was significantly associated with lower overall survival (OS; P less than .001) and higher relapse-related mortality (P less than .001). Similarly, a higher pretransplant platelet transfusion burden was associated with lower OS (P less than .001) and higher relapse-related mortality (P = .001).
Study details: A retrospective study examined the effects of pretransplant RBC and platelet transfusion burden on outcomes after allo-HSCT in 1,007 adults with de novo MDS.
Disclosures: This study was supported in part by the Practical Research Project for Allergic Diseases and Immunology (Research Technology of Medical Transplantation) from the Japan Agency for Medical Research and Development. The authors declared no conflicts of interest.
Source: Konuma T et al. Transplant Cell Ther. 2021 May 12. doi: 10.1016/j.jtct.2021.05.003.
Less restrictive enrollment criteria warranted for MDS clinical trials
Key clinical point: Less restrictive inclusion and exclusion criteria are warranted to improve the participation of patients with myelodysplastic syndrome (MDS) in clinical trials.
Major finding: Each trial was suitable for ~18% of patients in the cohort, whereas 34% of the patients were eligible for at least 1 of the 9 trials. Pharma-initiated trials excluded more than twice the fraction of patients vs. investigator-initiated trials (inclusion, 10% vs. 21%). Key reasons for exclusion included karyotype (average exclusion rate, 58%), comorbidities (40%), and previous therapies (55%)
Study details: A simulation exercise was performed to estimate the average proportion of MDS patients eligible for participation in a clinical trial. A total of 1,809 patients were included in the cohort.
Disclosures: This study did not receive any funding. K Nachtkamp, T Schroeder, E Schuler, J Kaivers, A Giagounidis, C Rautenberg, N Gattermann, and U Germing reported relationships with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Nachtkamp K et al. Leuk Res. 2021 May 11. doi: 10.1016/j.leukres.2021.106611.
Key clinical point: Less restrictive inclusion and exclusion criteria are warranted to improve the participation of patients with myelodysplastic syndrome (MDS) in clinical trials.
Major finding: Each trial was suitable for ~18% of patients in the cohort, whereas 34% of the patients were eligible for at least 1 of the 9 trials. Pharma-initiated trials excluded more than twice the fraction of patients vs. investigator-initiated trials (inclusion, 10% vs. 21%). Key reasons for exclusion included karyotype (average exclusion rate, 58%), comorbidities (40%), and previous therapies (55%)
Study details: A simulation exercise was performed to estimate the average proportion of MDS patients eligible for participation in a clinical trial. A total of 1,809 patients were included in the cohort.
Disclosures: This study did not receive any funding. K Nachtkamp, T Schroeder, E Schuler, J Kaivers, A Giagounidis, C Rautenberg, N Gattermann, and U Germing reported relationships with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Nachtkamp K et al. Leuk Res. 2021 May 11. doi: 10.1016/j.leukres.2021.106611.
Key clinical point: Less restrictive inclusion and exclusion criteria are warranted to improve the participation of patients with myelodysplastic syndrome (MDS) in clinical trials.
Major finding: Each trial was suitable for ~18% of patients in the cohort, whereas 34% of the patients were eligible for at least 1 of the 9 trials. Pharma-initiated trials excluded more than twice the fraction of patients vs. investigator-initiated trials (inclusion, 10% vs. 21%). Key reasons for exclusion included karyotype (average exclusion rate, 58%), comorbidities (40%), and previous therapies (55%)
Study details: A simulation exercise was performed to estimate the average proportion of MDS patients eligible for participation in a clinical trial. A total of 1,809 patients were included in the cohort.
Disclosures: This study did not receive any funding. K Nachtkamp, T Schroeder, E Schuler, J Kaivers, A Giagounidis, C Rautenberg, N Gattermann, and U Germing reported relationships with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Nachtkamp K et al. Leuk Res. 2021 May 11. doi: 10.1016/j.leukres.2021.106611.
T-cell inhibition by PD-L1-expressing stem cells may play a role in MDS development
Key clinical point: Inhibition of T cells by programmed death-ligand 1 (PD-L1)-expressing hematopoietic stem cells could be an underlying mechanism in the development of myelodysplastic syndrome (MDS). The findings support the potential use of immune checkpoint inhibitors in the treatment of suitable MDS patients.
Major finding: Significantly increased proportions of PD-L1+CD34+ stem cells were seen in MDS patients compared with hematopoietic stem cell transplantation (HSCT) recipients in remission for both the CD38− subset (P = .0127) and CD38+ subset (P = .0336).
Study details: The study included 7 MDS and 9 acute myeloid leukemia samples. Six HSCT recipients who remained in remission for more than 6 months were considered controls.
Disclosures: The study was supported by the Düsseldorf School of Oncology (funded by the Comprehensive Cancer Center Düsseldorf/Deutsche Krebshilfe and the Medical Faculty HHU Düsseldorf). The authors declared no conflicts of interest.
Source: Moskorz W et al. Br J Haematol. 2021 May 6. doi: 10.1111/bjh.17461.
Key clinical point: Inhibition of T cells by programmed death-ligand 1 (PD-L1)-expressing hematopoietic stem cells could be an underlying mechanism in the development of myelodysplastic syndrome (MDS). The findings support the potential use of immune checkpoint inhibitors in the treatment of suitable MDS patients.
Major finding: Significantly increased proportions of PD-L1+CD34+ stem cells were seen in MDS patients compared with hematopoietic stem cell transplantation (HSCT) recipients in remission for both the CD38− subset (P = .0127) and CD38+ subset (P = .0336).
Study details: The study included 7 MDS and 9 acute myeloid leukemia samples. Six HSCT recipients who remained in remission for more than 6 months were considered controls.
Disclosures: The study was supported by the Düsseldorf School of Oncology (funded by the Comprehensive Cancer Center Düsseldorf/Deutsche Krebshilfe and the Medical Faculty HHU Düsseldorf). The authors declared no conflicts of interest.
Source: Moskorz W et al. Br J Haematol. 2021 May 6. doi: 10.1111/bjh.17461.
Key clinical point: Inhibition of T cells by programmed death-ligand 1 (PD-L1)-expressing hematopoietic stem cells could be an underlying mechanism in the development of myelodysplastic syndrome (MDS). The findings support the potential use of immune checkpoint inhibitors in the treatment of suitable MDS patients.
Major finding: Significantly increased proportions of PD-L1+CD34+ stem cells were seen in MDS patients compared with hematopoietic stem cell transplantation (HSCT) recipients in remission for both the CD38− subset (P = .0127) and CD38+ subset (P = .0336).
Study details: The study included 7 MDS and 9 acute myeloid leukemia samples. Six HSCT recipients who remained in remission for more than 6 months were considered controls.
Disclosures: The study was supported by the Düsseldorf School of Oncology (funded by the Comprehensive Cancer Center Düsseldorf/Deutsche Krebshilfe and the Medical Faculty HHU Düsseldorf). The authors declared no conflicts of interest.
Source: Moskorz W et al. Br J Haematol. 2021 May 6. doi: 10.1111/bjh.17461.
Increased cumulative exposure to melphalan in multiple myeloma patients increases MDS risk
Key clinical point: Increased cumulative exposure to the alkylating agent melphalan increases the subsequent risk for developing acute myeloid leukemia/myelodysplastic syndromes (AML/MDS) in patients with multiple myeloma (MM).
Major finding: Cumulative exposure to melphalan was significantly higher (odds ratio, 2.8; P less than .001) among patients with MM and AML/MDS (median, 988 mg) than control participants (median, 578 mg). The median time to development of AML/MDS was 3.8 years.
Study details: The study included 26,627 patients diagnosed with MM between 1985 and 2011, of which 124 (0.5%) patients developed subsequent AML/MDS. Each patient with MM and AML/MDS diagnosis was matched with a control MM patient without AML/MDS.
Disclosures: The study was supported by grants from the Asrun Einarsdottir Foundation in Iceland, University of Iceland Research Fund, Icelandic Centre for Research, Landspitali University Hospital Research Fund, Thorman’s foundation, and Sylvester Comprehensive Cancer Center NCI Core Grant. O Landgren and M Björkholm reported ties with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Jonsdottir G et al. Eur J Haematol. 2021 May 9. doi: 10.1111/ejh.13650.
Key clinical point: Increased cumulative exposure to the alkylating agent melphalan increases the subsequent risk for developing acute myeloid leukemia/myelodysplastic syndromes (AML/MDS) in patients with multiple myeloma (MM).
Major finding: Cumulative exposure to melphalan was significantly higher (odds ratio, 2.8; P less than .001) among patients with MM and AML/MDS (median, 988 mg) than control participants (median, 578 mg). The median time to development of AML/MDS was 3.8 years.
Study details: The study included 26,627 patients diagnosed with MM between 1985 and 2011, of which 124 (0.5%) patients developed subsequent AML/MDS. Each patient with MM and AML/MDS diagnosis was matched with a control MM patient without AML/MDS.
Disclosures: The study was supported by grants from the Asrun Einarsdottir Foundation in Iceland, University of Iceland Research Fund, Icelandic Centre for Research, Landspitali University Hospital Research Fund, Thorman’s foundation, and Sylvester Comprehensive Cancer Center NCI Core Grant. O Landgren and M Björkholm reported ties with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Jonsdottir G et al. Eur J Haematol. 2021 May 9. doi: 10.1111/ejh.13650.
Key clinical point: Increased cumulative exposure to the alkylating agent melphalan increases the subsequent risk for developing acute myeloid leukemia/myelodysplastic syndromes (AML/MDS) in patients with multiple myeloma (MM).
Major finding: Cumulative exposure to melphalan was significantly higher (odds ratio, 2.8; P less than .001) among patients with MM and AML/MDS (median, 988 mg) than control participants (median, 578 mg). The median time to development of AML/MDS was 3.8 years.
Study details: The study included 26,627 patients diagnosed with MM between 1985 and 2011, of which 124 (0.5%) patients developed subsequent AML/MDS. Each patient with MM and AML/MDS diagnosis was matched with a control MM patient without AML/MDS.
Disclosures: The study was supported by grants from the Asrun Einarsdottir Foundation in Iceland, University of Iceland Research Fund, Icelandic Centre for Research, Landspitali University Hospital Research Fund, Thorman’s foundation, and Sylvester Comprehensive Cancer Center NCI Core Grant. O Landgren and M Björkholm reported ties with various pharmaceutical companies. The remaining authors declared no conflicts of interest.
Source: Jonsdottir G et al. Eur J Haematol. 2021 May 9. doi: 10.1111/ejh.13650.
COVID-19 Vaccine Reactions in Dermatology: “Filling” in the Gaps
As we marked the 1-year anniversary of the COVID-19 pandemic, nearly 100 million Americans had received their first dose of the COVID-19 vaccine, heralding some sense of relief and enabling us to envision a return to something resembling life before lockdown.1 Amid these breakthroughs and vaccination campaigns forging ahead worldwide, we saw new questions and problems arise. Vaccine hesitancy was already an issue in many segments of society where misinformation and mistrust of the medical establishment have served as barriers to the progress of public health. Once reports of adverse reactions following COVID-19 vaccination—such as those linked to use of facial fillers—made news headlines, many in the dermatology community began facing inquiries from patients questioning if they should wait to receive the vaccine or skip it entirely. As dermatologists, we must be informed and prepared to address these situations, to manage adverse reactions when they arise, and to encourage and promote vaccination during this critical time for public health in our society.
Cutaneous Vaccine Reactions and Facial Fillers
As public COVID-19 vaccinations move forward, dermatologic side effects, which were first noted during clinical trials, have received amplified attention, despite the fact that these cutaneous reactions—including localized injection-site redness and swelling, generalized urticarial and morbilliform eruptions, and even facial filler reactions—have been reported as relatively minor and self-limited.2 The excipient polyethylene glycol has been suspected as a possible etiology of vaccine-related allergic and hypersensitivity reactions, suggesting care be taken in those who are patch-test positive or have a history of allergy to polyethylene glycol–containing products (eg, penicillin, laxatives, makeup, certain dermal fillers).2,3 Although rare, facial and lip swelling reactions in those with a prior history of facial fillers in COVID-19 vaccine trials have drawn particular public concern and potential vaccine hesitancy given that more than 2.7 million Americans seek treatment with dermal fillers annually. There has been continued demand for these treatments during the pandemic, particularly due to aesthetic sensitivity surrounding video conferencing.4
Release of trial data from the Moderna COVID-19 vaccine prompted a discourse around safety and recommended protocols for filler procedures in the community of aesthetic medicine, as 3 participants in the experimental arm—all of whom had a history of treatment with facial filler injections—were reported to have facial or lip swelling shortly following vaccination. Two of these cases were considered to be serious adverse events due to extensive facial swelling, with the participants having received filler injections 6 months and 2 weeks prior to vaccination, respectively.5 A third participant experienced lip swelling only, which according to the US Food and Drug Administration briefing document was considered “medically significant” but not a serious adverse event, with unknown timing of the most recent filler injection. In all cases, symptom onset began 1 or 2 days following vaccination, and all resolved with either no or minimal intervention.6 The US Food and Drug Administration briefing document does not detail which type of fillers each participant had received, but subsequent reports indicated hyaluronic acid (HA) fillers. Of note, one patient in the placebo arm of the trial also developed progressive periorbital and facial edema in the setting of known filler injections performed 5 weeks prior, requiring treatment with corticosteroids and barring her from receiving a second injection in the trial.7
After public vaccination started, additional reports have emerged of facial edema occurring following administration of both the Pfizer and Moderna COVID-19 vaccines.2,8,9 In one series, 4 cases of facial swelling were reported in patients who had HA filler placed more than 1 year prior to vaccination.9 The first patient, who had a history of HA fillers in the temples and cheeks, developed moderate periorbital swelling 2 days following her second dose of the Pfizer vaccine. Another patient who had received a series of filler injections over the last 3 years experienced facial swelling 24 hours after her second dose of the Moderna vaccine and also reported a similar reaction in the past following an upper respiratory tract infection. The third patient developed perioral and infraorbital edema 18 hours after her first dose of the Moderna vaccine. The fourth patient developed inflammation in filler-treated areas 10 days after the first dose of the Pfizer vaccine and notably had a history of filler reaction to an unknown trigger in 2019 that was treated with hyaluronidase, intralesional steroids, and 5-fluorouracil. All cases of facial edema reportedly resolved.9
The observed adverse events have been proposed as delayed-type hypersensitivity reactions (DTRs) to facial fillers and are suspected to be triggered by the COVID-19 spike protein and subsequent immunogenic response. This reaction is not unique to the COVID-19 vaccines; in fact, many inflammatory stimuli such as sinus infections, flulike illnesses, facial injury, dental procedures, and exposure to certain medications and chemotherapeutics have triggered DTRs in filler patients, especially in those with genetic or immunologic risk factors including certain human leukocyte antigen subtypes or autoimmune disorders.3
Counseling Patients and Reducing Risks
As reports of DTRs to facial fillers after COVID-19 vaccination continue to emerge, it is not surprising that patients may become confused by potential side effects and postpone vaccination as a result. This evolving situation has called upon aesthetic physicians to adapt our practice and prepare our patients. Most importantly, we must continue to follow the data and integrate evidence-based COVID-19 vaccine–related counseling into our office visits. It is paramount to encourage vaccination and inform patients that these rare adverse events are both temporary and treatable. Given the currently available data, patients with a history of treatment with dermal fillers should not be discouraged from receiving the vaccine; however, we may provide suggestions to lessen the likelihood of adverse reactions and ease patient concerns. For example, it may be helpful to consider a time frame between vaccination and filler procedures that is longer than 2 weeks, just as would be advised for those having dental procedures or with recent infections, and potentially longer windows for those with risk factors such as prior sensitivity to dermal fillers, autoimmune disorders, or those on immunomodulatory medications. Dilution of fillers with saline or lidocaine or use of non-HA fillers also may be suggested around the time of vaccination to mitigate the risk of DTRs.3
Managing Vaccine Reactions
If facial swelling does occur despite these precautions and lasts longer than 48 hours, treatment with antihistamines, steroids, and/or hyaluronidase has been successful in vaccine trial and posttrial patients, both alone or in combination, and are likely to resolve edema promptly without altering the effectiveness of the vaccine.3,5,9 Angiotensin-converting enzyme inhibitors such as lisinopril more recently have been recommended for treatment of facial edema following COVID-19 vaccination,9 but questions remain regarding the true efficacy in this scenario given that the majority of swelling reactions resolve without this treatment. Additionally, there were no controls to indicate treatment with the angiotensin-converting enzyme inhibitor demonstrated an actual impact. Dermatologists generally are wary of adding medications of questionable utility that are associated with potential side effects and drug reactions, given that we often are tasked with managing the consequences of such mistakes. Thus, to avoid additional harm in the setting of insufficient evidence, as was seen following widespread use of hydroxychloroquine at the outset of the COVID-19 pandemic, well-structured studies are required before such interventions can be recommended.
If symptoms arise following the first vaccine injection, they can be managed if needed while patients are reassured and advised to obtain their second dose, with pretreatment considerations including antihistamines and instruction to present to the emergency department if a more severe reaction is suspected.2 In a larger sense, we also can contribute to the collective knowledge, growth, and preparedness of the medical community by reporting cases of adverse events to vaccine reporting systems and registries, such as the US Department of Health and Human Services’ Vaccine Adverse Event Reporting System, the Centers for Disease Control and Prevention’s V-Safe After Vaccination Health Checker, and the American Academy of Dermatology’s COVID-19 Dermatology Registry.
Final Thoughts
As dermatologists, we now find ourselves in the familiar role of balancing the aesthetic goals of our patients with our primary mission of public health and safety at a time when their health and well-being is particularly vulnerable. Adverse reactions will continue to occur as larger segments of the world’s population become vaccinated. Meanwhile, we must continue to manage symptoms, dispel myths, emphasize that any dermatologic risk posed by the COVID-19 vaccines is far outweighed by the benefits of immunization, and promote health and education, looking ahead to life beyond the pandemic.
- Ritchie H, Ortiz-Ospina E, Beltekian D, et al. Coronavirus (COVID-19) vaccinations. Our World in Data website. Accessed May 10, 2021. https://ourworldindata.org/covid-vaccinations
- McMahon DE, Amerson E, Rosenbach M, et al. Cutaneous reactions reported after Moderna and Pfizer COVID-19 vaccination: a registry-based study of 414 cases [published online April 7, 2021]. J Am Acad Dermatol. doi:10.1016/j.jaad.2021.03.092
- Rice SM, Ferree SD, Mesinkovska NA, et al. The art of prevention: COVID-19 vaccine preparedness for the dermatologist. Int J Womens Dermatol. 2021;7:209-212. doi:10.1016/j.ijwd.2021.01.007
- Rice SM, Siegel JA, Libby T, et al. Zooming into cosmetic procedures during the COVID-19 pandemic: the provider’s perspective. Int J Womens Dermatol. 2021;7:213-216.
- FDA Briefing Document: Moderna COVID-19 Vaccine. US Department of Health and Human Services; 2020. Accessed May 11, 2021. https://www.fda.gov/media/144434/download
- Moderna’s COVID-19 vaccine may cause swelling, inflammation in those with facial fillers. American Society of Plastic Surgeons website. Published December 27, 2020. Accessed May 11, 2021. http://www.plasticsurgery.org/for-medical-professionals/publications/psn-extra/news/modernas-covid19-vaccine-may-cause-swelling-inflammation-in-those-with-facial-fillers
- Munavalli GG, Guthridge R, Knutsen-Larson S, et al. COVID-19/SARS-CoV-2 virus spike protein-related delayed inflammatory reaction to hyaluronic acid dermal fillers: a challenging clinical conundrum in diagnosis and treatment [published online February 9, 2021]. Arch Dermatol Res. doi:10.1007/s00403-021-02190-6
- Schlessinger J. Update on COVID-19 vaccines and dermal fillers. Practical Dermatol. February 2021:46-47. Accessed May 10, 2021. https://practicaldermatology.com/articles/2021-feb/update-on-covid-19-vaccines-and-dermal-fillers/pdf
- Munavalli GG, Knutsen-Larson S, Lupo MP, et al. Oral angiotensin-converting enzyme inhibitors for treatment of delayed inflammatory reaction to dermal hyaluronic acid fillers following COVID-19 vaccination—a model for inhibition of angiotensin II-induced cutaneous inflammation. JAAD Case Rep. 2021;10:63-68. doi:10.1016/j.jdcr.2021.02.018
As we marked the 1-year anniversary of the COVID-19 pandemic, nearly 100 million Americans had received their first dose of the COVID-19 vaccine, heralding some sense of relief and enabling us to envision a return to something resembling life before lockdown.1 Amid these breakthroughs and vaccination campaigns forging ahead worldwide, we saw new questions and problems arise. Vaccine hesitancy was already an issue in many segments of society where misinformation and mistrust of the medical establishment have served as barriers to the progress of public health. Once reports of adverse reactions following COVID-19 vaccination—such as those linked to use of facial fillers—made news headlines, many in the dermatology community began facing inquiries from patients questioning if they should wait to receive the vaccine or skip it entirely. As dermatologists, we must be informed and prepared to address these situations, to manage adverse reactions when they arise, and to encourage and promote vaccination during this critical time for public health in our society.
Cutaneous Vaccine Reactions and Facial Fillers
As public COVID-19 vaccinations move forward, dermatologic side effects, which were first noted during clinical trials, have received amplified attention, despite the fact that these cutaneous reactions—including localized injection-site redness and swelling, generalized urticarial and morbilliform eruptions, and even facial filler reactions—have been reported as relatively minor and self-limited.2 The excipient polyethylene glycol has been suspected as a possible etiology of vaccine-related allergic and hypersensitivity reactions, suggesting care be taken in those who are patch-test positive or have a history of allergy to polyethylene glycol–containing products (eg, penicillin, laxatives, makeup, certain dermal fillers).2,3 Although rare, facial and lip swelling reactions in those with a prior history of facial fillers in COVID-19 vaccine trials have drawn particular public concern and potential vaccine hesitancy given that more than 2.7 million Americans seek treatment with dermal fillers annually. There has been continued demand for these treatments during the pandemic, particularly due to aesthetic sensitivity surrounding video conferencing.4
Release of trial data from the Moderna COVID-19 vaccine prompted a discourse around safety and recommended protocols for filler procedures in the community of aesthetic medicine, as 3 participants in the experimental arm—all of whom had a history of treatment with facial filler injections—were reported to have facial or lip swelling shortly following vaccination. Two of these cases were considered to be serious adverse events due to extensive facial swelling, with the participants having received filler injections 6 months and 2 weeks prior to vaccination, respectively.5 A third participant experienced lip swelling only, which according to the US Food and Drug Administration briefing document was considered “medically significant” but not a serious adverse event, with unknown timing of the most recent filler injection. In all cases, symptom onset began 1 or 2 days following vaccination, and all resolved with either no or minimal intervention.6 The US Food and Drug Administration briefing document does not detail which type of fillers each participant had received, but subsequent reports indicated hyaluronic acid (HA) fillers. Of note, one patient in the placebo arm of the trial also developed progressive periorbital and facial edema in the setting of known filler injections performed 5 weeks prior, requiring treatment with corticosteroids and barring her from receiving a second injection in the trial.7
After public vaccination started, additional reports have emerged of facial edema occurring following administration of both the Pfizer and Moderna COVID-19 vaccines.2,8,9 In one series, 4 cases of facial swelling were reported in patients who had HA filler placed more than 1 year prior to vaccination.9 The first patient, who had a history of HA fillers in the temples and cheeks, developed moderate periorbital swelling 2 days following her second dose of the Pfizer vaccine. Another patient who had received a series of filler injections over the last 3 years experienced facial swelling 24 hours after her second dose of the Moderna vaccine and also reported a similar reaction in the past following an upper respiratory tract infection. The third patient developed perioral and infraorbital edema 18 hours after her first dose of the Moderna vaccine. The fourth patient developed inflammation in filler-treated areas 10 days after the first dose of the Pfizer vaccine and notably had a history of filler reaction to an unknown trigger in 2019 that was treated with hyaluronidase, intralesional steroids, and 5-fluorouracil. All cases of facial edema reportedly resolved.9
The observed adverse events have been proposed as delayed-type hypersensitivity reactions (DTRs) to facial fillers and are suspected to be triggered by the COVID-19 spike protein and subsequent immunogenic response. This reaction is not unique to the COVID-19 vaccines; in fact, many inflammatory stimuli such as sinus infections, flulike illnesses, facial injury, dental procedures, and exposure to certain medications and chemotherapeutics have triggered DTRs in filler patients, especially in those with genetic or immunologic risk factors including certain human leukocyte antigen subtypes or autoimmune disorders.3
Counseling Patients and Reducing Risks
As reports of DTRs to facial fillers after COVID-19 vaccination continue to emerge, it is not surprising that patients may become confused by potential side effects and postpone vaccination as a result. This evolving situation has called upon aesthetic physicians to adapt our practice and prepare our patients. Most importantly, we must continue to follow the data and integrate evidence-based COVID-19 vaccine–related counseling into our office visits. It is paramount to encourage vaccination and inform patients that these rare adverse events are both temporary and treatable. Given the currently available data, patients with a history of treatment with dermal fillers should not be discouraged from receiving the vaccine; however, we may provide suggestions to lessen the likelihood of adverse reactions and ease patient concerns. For example, it may be helpful to consider a time frame between vaccination and filler procedures that is longer than 2 weeks, just as would be advised for those having dental procedures or with recent infections, and potentially longer windows for those with risk factors such as prior sensitivity to dermal fillers, autoimmune disorders, or those on immunomodulatory medications. Dilution of fillers with saline or lidocaine or use of non-HA fillers also may be suggested around the time of vaccination to mitigate the risk of DTRs.3
Managing Vaccine Reactions
If facial swelling does occur despite these precautions and lasts longer than 48 hours, treatment with antihistamines, steroids, and/or hyaluronidase has been successful in vaccine trial and posttrial patients, both alone or in combination, and are likely to resolve edema promptly without altering the effectiveness of the vaccine.3,5,9 Angiotensin-converting enzyme inhibitors such as lisinopril more recently have been recommended for treatment of facial edema following COVID-19 vaccination,9 but questions remain regarding the true efficacy in this scenario given that the majority of swelling reactions resolve without this treatment. Additionally, there were no controls to indicate treatment with the angiotensin-converting enzyme inhibitor demonstrated an actual impact. Dermatologists generally are wary of adding medications of questionable utility that are associated with potential side effects and drug reactions, given that we often are tasked with managing the consequences of such mistakes. Thus, to avoid additional harm in the setting of insufficient evidence, as was seen following widespread use of hydroxychloroquine at the outset of the COVID-19 pandemic, well-structured studies are required before such interventions can be recommended.
If symptoms arise following the first vaccine injection, they can be managed if needed while patients are reassured and advised to obtain their second dose, with pretreatment considerations including antihistamines and instruction to present to the emergency department if a more severe reaction is suspected.2 In a larger sense, we also can contribute to the collective knowledge, growth, and preparedness of the medical community by reporting cases of adverse events to vaccine reporting systems and registries, such as the US Department of Health and Human Services’ Vaccine Adverse Event Reporting System, the Centers for Disease Control and Prevention’s V-Safe After Vaccination Health Checker, and the American Academy of Dermatology’s COVID-19 Dermatology Registry.
Final Thoughts
As dermatologists, we now find ourselves in the familiar role of balancing the aesthetic goals of our patients with our primary mission of public health and safety at a time when their health and well-being is particularly vulnerable. Adverse reactions will continue to occur as larger segments of the world’s population become vaccinated. Meanwhile, we must continue to manage symptoms, dispel myths, emphasize that any dermatologic risk posed by the COVID-19 vaccines is far outweighed by the benefits of immunization, and promote health and education, looking ahead to life beyond the pandemic.
As we marked the 1-year anniversary of the COVID-19 pandemic, nearly 100 million Americans had received their first dose of the COVID-19 vaccine, heralding some sense of relief and enabling us to envision a return to something resembling life before lockdown.1 Amid these breakthroughs and vaccination campaigns forging ahead worldwide, we saw new questions and problems arise. Vaccine hesitancy was already an issue in many segments of society where misinformation and mistrust of the medical establishment have served as barriers to the progress of public health. Once reports of adverse reactions following COVID-19 vaccination—such as those linked to use of facial fillers—made news headlines, many in the dermatology community began facing inquiries from patients questioning if they should wait to receive the vaccine or skip it entirely. As dermatologists, we must be informed and prepared to address these situations, to manage adverse reactions when they arise, and to encourage and promote vaccination during this critical time for public health in our society.
Cutaneous Vaccine Reactions and Facial Fillers
As public COVID-19 vaccinations move forward, dermatologic side effects, which were first noted during clinical trials, have received amplified attention, despite the fact that these cutaneous reactions—including localized injection-site redness and swelling, generalized urticarial and morbilliform eruptions, and even facial filler reactions—have been reported as relatively minor and self-limited.2 The excipient polyethylene glycol has been suspected as a possible etiology of vaccine-related allergic and hypersensitivity reactions, suggesting care be taken in those who are patch-test positive or have a history of allergy to polyethylene glycol–containing products (eg, penicillin, laxatives, makeup, certain dermal fillers).2,3 Although rare, facial and lip swelling reactions in those with a prior history of facial fillers in COVID-19 vaccine trials have drawn particular public concern and potential vaccine hesitancy given that more than 2.7 million Americans seek treatment with dermal fillers annually. There has been continued demand for these treatments during the pandemic, particularly due to aesthetic sensitivity surrounding video conferencing.4
Release of trial data from the Moderna COVID-19 vaccine prompted a discourse around safety and recommended protocols for filler procedures in the community of aesthetic medicine, as 3 participants in the experimental arm—all of whom had a history of treatment with facial filler injections—were reported to have facial or lip swelling shortly following vaccination. Two of these cases were considered to be serious adverse events due to extensive facial swelling, with the participants having received filler injections 6 months and 2 weeks prior to vaccination, respectively.5 A third participant experienced lip swelling only, which according to the US Food and Drug Administration briefing document was considered “medically significant” but not a serious adverse event, with unknown timing of the most recent filler injection. In all cases, symptom onset began 1 or 2 days following vaccination, and all resolved with either no or minimal intervention.6 The US Food and Drug Administration briefing document does not detail which type of fillers each participant had received, but subsequent reports indicated hyaluronic acid (HA) fillers. Of note, one patient in the placebo arm of the trial also developed progressive periorbital and facial edema in the setting of known filler injections performed 5 weeks prior, requiring treatment with corticosteroids and barring her from receiving a second injection in the trial.7
After public vaccination started, additional reports have emerged of facial edema occurring following administration of both the Pfizer and Moderna COVID-19 vaccines.2,8,9 In one series, 4 cases of facial swelling were reported in patients who had HA filler placed more than 1 year prior to vaccination.9 The first patient, who had a history of HA fillers in the temples and cheeks, developed moderate periorbital swelling 2 days following her second dose of the Pfizer vaccine. Another patient who had received a series of filler injections over the last 3 years experienced facial swelling 24 hours after her second dose of the Moderna vaccine and also reported a similar reaction in the past following an upper respiratory tract infection. The third patient developed perioral and infraorbital edema 18 hours after her first dose of the Moderna vaccine. The fourth patient developed inflammation in filler-treated areas 10 days after the first dose of the Pfizer vaccine and notably had a history of filler reaction to an unknown trigger in 2019 that was treated with hyaluronidase, intralesional steroids, and 5-fluorouracil. All cases of facial edema reportedly resolved.9
The observed adverse events have been proposed as delayed-type hypersensitivity reactions (DTRs) to facial fillers and are suspected to be triggered by the COVID-19 spike protein and subsequent immunogenic response. This reaction is not unique to the COVID-19 vaccines; in fact, many inflammatory stimuli such as sinus infections, flulike illnesses, facial injury, dental procedures, and exposure to certain medications and chemotherapeutics have triggered DTRs in filler patients, especially in those with genetic or immunologic risk factors including certain human leukocyte antigen subtypes or autoimmune disorders.3
Counseling Patients and Reducing Risks
As reports of DTRs to facial fillers after COVID-19 vaccination continue to emerge, it is not surprising that patients may become confused by potential side effects and postpone vaccination as a result. This evolving situation has called upon aesthetic physicians to adapt our practice and prepare our patients. Most importantly, we must continue to follow the data and integrate evidence-based COVID-19 vaccine–related counseling into our office visits. It is paramount to encourage vaccination and inform patients that these rare adverse events are both temporary and treatable. Given the currently available data, patients with a history of treatment with dermal fillers should not be discouraged from receiving the vaccine; however, we may provide suggestions to lessen the likelihood of adverse reactions and ease patient concerns. For example, it may be helpful to consider a time frame between vaccination and filler procedures that is longer than 2 weeks, just as would be advised for those having dental procedures or with recent infections, and potentially longer windows for those with risk factors such as prior sensitivity to dermal fillers, autoimmune disorders, or those on immunomodulatory medications. Dilution of fillers with saline or lidocaine or use of non-HA fillers also may be suggested around the time of vaccination to mitigate the risk of DTRs.3
Managing Vaccine Reactions
If facial swelling does occur despite these precautions and lasts longer than 48 hours, treatment with antihistamines, steroids, and/or hyaluronidase has been successful in vaccine trial and posttrial patients, both alone or in combination, and are likely to resolve edema promptly without altering the effectiveness of the vaccine.3,5,9 Angiotensin-converting enzyme inhibitors such as lisinopril more recently have been recommended for treatment of facial edema following COVID-19 vaccination,9 but questions remain regarding the true efficacy in this scenario given that the majority of swelling reactions resolve without this treatment. Additionally, there were no controls to indicate treatment with the angiotensin-converting enzyme inhibitor demonstrated an actual impact. Dermatologists generally are wary of adding medications of questionable utility that are associated with potential side effects and drug reactions, given that we often are tasked with managing the consequences of such mistakes. Thus, to avoid additional harm in the setting of insufficient evidence, as was seen following widespread use of hydroxychloroquine at the outset of the COVID-19 pandemic, well-structured studies are required before such interventions can be recommended.
If symptoms arise following the first vaccine injection, they can be managed if needed while patients are reassured and advised to obtain their second dose, with pretreatment considerations including antihistamines and instruction to present to the emergency department if a more severe reaction is suspected.2 In a larger sense, we also can contribute to the collective knowledge, growth, and preparedness of the medical community by reporting cases of adverse events to vaccine reporting systems and registries, such as the US Department of Health and Human Services’ Vaccine Adverse Event Reporting System, the Centers for Disease Control and Prevention’s V-Safe After Vaccination Health Checker, and the American Academy of Dermatology’s COVID-19 Dermatology Registry.
Final Thoughts
As dermatologists, we now find ourselves in the familiar role of balancing the aesthetic goals of our patients with our primary mission of public health and safety at a time when their health and well-being is particularly vulnerable. Adverse reactions will continue to occur as larger segments of the world’s population become vaccinated. Meanwhile, we must continue to manage symptoms, dispel myths, emphasize that any dermatologic risk posed by the COVID-19 vaccines is far outweighed by the benefits of immunization, and promote health and education, looking ahead to life beyond the pandemic.
- Ritchie H, Ortiz-Ospina E, Beltekian D, et al. Coronavirus (COVID-19) vaccinations. Our World in Data website. Accessed May 10, 2021. https://ourworldindata.org/covid-vaccinations
- McMahon DE, Amerson E, Rosenbach M, et al. Cutaneous reactions reported after Moderna and Pfizer COVID-19 vaccination: a registry-based study of 414 cases [published online April 7, 2021]. J Am Acad Dermatol. doi:10.1016/j.jaad.2021.03.092
- Rice SM, Ferree SD, Mesinkovska NA, et al. The art of prevention: COVID-19 vaccine preparedness for the dermatologist. Int J Womens Dermatol. 2021;7:209-212. doi:10.1016/j.ijwd.2021.01.007
- Rice SM, Siegel JA, Libby T, et al. Zooming into cosmetic procedures during the COVID-19 pandemic: the provider’s perspective. Int J Womens Dermatol. 2021;7:213-216.
- FDA Briefing Document: Moderna COVID-19 Vaccine. US Department of Health and Human Services; 2020. Accessed May 11, 2021. https://www.fda.gov/media/144434/download
- Moderna’s COVID-19 vaccine may cause swelling, inflammation in those with facial fillers. American Society of Plastic Surgeons website. Published December 27, 2020. Accessed May 11, 2021. http://www.plasticsurgery.org/for-medical-professionals/publications/psn-extra/news/modernas-covid19-vaccine-may-cause-swelling-inflammation-in-those-with-facial-fillers
- Munavalli GG, Guthridge R, Knutsen-Larson S, et al. COVID-19/SARS-CoV-2 virus spike protein-related delayed inflammatory reaction to hyaluronic acid dermal fillers: a challenging clinical conundrum in diagnosis and treatment [published online February 9, 2021]. Arch Dermatol Res. doi:10.1007/s00403-021-02190-6
- Schlessinger J. Update on COVID-19 vaccines and dermal fillers. Practical Dermatol. February 2021:46-47. Accessed May 10, 2021. https://practicaldermatology.com/articles/2021-feb/update-on-covid-19-vaccines-and-dermal-fillers/pdf
- Munavalli GG, Knutsen-Larson S, Lupo MP, et al. Oral angiotensin-converting enzyme inhibitors for treatment of delayed inflammatory reaction to dermal hyaluronic acid fillers following COVID-19 vaccination—a model for inhibition of angiotensin II-induced cutaneous inflammation. JAAD Case Rep. 2021;10:63-68. doi:10.1016/j.jdcr.2021.02.018
- Ritchie H, Ortiz-Ospina E, Beltekian D, et al. Coronavirus (COVID-19) vaccinations. Our World in Data website. Accessed May 10, 2021. https://ourworldindata.org/covid-vaccinations
- McMahon DE, Amerson E, Rosenbach M, et al. Cutaneous reactions reported after Moderna and Pfizer COVID-19 vaccination: a registry-based study of 414 cases [published online April 7, 2021]. J Am Acad Dermatol. doi:10.1016/j.jaad.2021.03.092
- Rice SM, Ferree SD, Mesinkovska NA, et al. The art of prevention: COVID-19 vaccine preparedness for the dermatologist. Int J Womens Dermatol. 2021;7:209-212. doi:10.1016/j.ijwd.2021.01.007
- Rice SM, Siegel JA, Libby T, et al. Zooming into cosmetic procedures during the COVID-19 pandemic: the provider’s perspective. Int J Womens Dermatol. 2021;7:213-216.
- FDA Briefing Document: Moderna COVID-19 Vaccine. US Department of Health and Human Services; 2020. Accessed May 11, 2021. https://www.fda.gov/media/144434/download
- Moderna’s COVID-19 vaccine may cause swelling, inflammation in those with facial fillers. American Society of Plastic Surgeons website. Published December 27, 2020. Accessed May 11, 2021. http://www.plasticsurgery.org/for-medical-professionals/publications/psn-extra/news/modernas-covid19-vaccine-may-cause-swelling-inflammation-in-those-with-facial-fillers
- Munavalli GG, Guthridge R, Knutsen-Larson S, et al. COVID-19/SARS-CoV-2 virus spike protein-related delayed inflammatory reaction to hyaluronic acid dermal fillers: a challenging clinical conundrum in diagnosis and treatment [published online February 9, 2021]. Arch Dermatol Res. doi:10.1007/s00403-021-02190-6
- Schlessinger J. Update on COVID-19 vaccines and dermal fillers. Practical Dermatol. February 2021:46-47. Accessed May 10, 2021. https://practicaldermatology.com/articles/2021-feb/update-on-covid-19-vaccines-and-dermal-fillers/pdf
- Munavalli GG, Knutsen-Larson S, Lupo MP, et al. Oral angiotensin-converting enzyme inhibitors for treatment of delayed inflammatory reaction to dermal hyaluronic acid fillers following COVID-19 vaccination—a model for inhibition of angiotensin II-induced cutaneous inflammation. JAAD Case Rep. 2021;10:63-68. doi:10.1016/j.jdcr.2021.02.018
Physician convicted in buprenorphine scheme faces up to 20 years in prison
A West Virginia physician faces up to 20 years in prison in the wake of his conviction by a federal jury for illegally distributing buprenorphine.
The jury convicted Sriramloo Kesari, MD, 78, of Charleston, for distributing buprenorphine outside the scope of medical practice, according to a U.S. Department of Justice statement.
Investigators from the Drug Enforcement Administration presented evidence at the trial that Dr. Kesari, a general practitioner, operated a cash-only business selling buprenorphine prescriptions.
Federal prosecutors said that the physician signed prescriptions, which were then distributed by an employee in exchange for cash. Dr. Kesari was often absent, at times physically located in California, according to the federal government.
Prosecutors indicted the West Virginia physician in September 2019 as part of an “opioid strikeforce takedown” in Ohio, Virginia, and West Virginia that resulted in charges against 13 individuals, including 11 physicians.
Dr. Kesari’s attorneys filed motions during the course of the lengthy case showing that psychiatric and neurological exams indicated that the physician was cognitively impaired.
Based on that evidence and the federal indictment, the West Virginia Board of Medicine suspended Dr. Kesari’s license in February 2020, stating that he is not “mentally and/or physically fit to practice medicine and surgery with reasonable skill and safety.”
Dr. Kesari was first licensed in West Virginia in 1979. In 1987, the Board of Medicine placed Dr. Kesari on a 3-year probation because of his failure to keep records for patients for whom he was prescribing controlled substances.
However, within a few months, the Board changed the probation order to allow Dr. Kesari to write prescriptions for schedule II and III substances in the Boone Hospital emergency room where he continued to work.
The physician had no other disciplinary actions until his license suspension, but the Board lists settlement of four malpractice cases and the dismissal of a fifth between 1986 and 2001.
A version of this article first appeared on Medscape.com.
A West Virginia physician faces up to 20 years in prison in the wake of his conviction by a federal jury for illegally distributing buprenorphine.
The jury convicted Sriramloo Kesari, MD, 78, of Charleston, for distributing buprenorphine outside the scope of medical practice, according to a U.S. Department of Justice statement.
Investigators from the Drug Enforcement Administration presented evidence at the trial that Dr. Kesari, a general practitioner, operated a cash-only business selling buprenorphine prescriptions.
Federal prosecutors said that the physician signed prescriptions, which were then distributed by an employee in exchange for cash. Dr. Kesari was often absent, at times physically located in California, according to the federal government.
Prosecutors indicted the West Virginia physician in September 2019 as part of an “opioid strikeforce takedown” in Ohio, Virginia, and West Virginia that resulted in charges against 13 individuals, including 11 physicians.
Dr. Kesari’s attorneys filed motions during the course of the lengthy case showing that psychiatric and neurological exams indicated that the physician was cognitively impaired.
Based on that evidence and the federal indictment, the West Virginia Board of Medicine suspended Dr. Kesari’s license in February 2020, stating that he is not “mentally and/or physically fit to practice medicine and surgery with reasonable skill and safety.”
Dr. Kesari was first licensed in West Virginia in 1979. In 1987, the Board of Medicine placed Dr. Kesari on a 3-year probation because of his failure to keep records for patients for whom he was prescribing controlled substances.
However, within a few months, the Board changed the probation order to allow Dr. Kesari to write prescriptions for schedule II and III substances in the Boone Hospital emergency room where he continued to work.
The physician had no other disciplinary actions until his license suspension, but the Board lists settlement of four malpractice cases and the dismissal of a fifth between 1986 and 2001.
A version of this article first appeared on Medscape.com.
A West Virginia physician faces up to 20 years in prison in the wake of his conviction by a federal jury for illegally distributing buprenorphine.
The jury convicted Sriramloo Kesari, MD, 78, of Charleston, for distributing buprenorphine outside the scope of medical practice, according to a U.S. Department of Justice statement.
Investigators from the Drug Enforcement Administration presented evidence at the trial that Dr. Kesari, a general practitioner, operated a cash-only business selling buprenorphine prescriptions.
Federal prosecutors said that the physician signed prescriptions, which were then distributed by an employee in exchange for cash. Dr. Kesari was often absent, at times physically located in California, according to the federal government.
Prosecutors indicted the West Virginia physician in September 2019 as part of an “opioid strikeforce takedown” in Ohio, Virginia, and West Virginia that resulted in charges against 13 individuals, including 11 physicians.
Dr. Kesari’s attorneys filed motions during the course of the lengthy case showing that psychiatric and neurological exams indicated that the physician was cognitively impaired.
Based on that evidence and the federal indictment, the West Virginia Board of Medicine suspended Dr. Kesari’s license in February 2020, stating that he is not “mentally and/or physically fit to practice medicine and surgery with reasonable skill and safety.”
Dr. Kesari was first licensed in West Virginia in 1979. In 1987, the Board of Medicine placed Dr. Kesari on a 3-year probation because of his failure to keep records for patients for whom he was prescribing controlled substances.
However, within a few months, the Board changed the probation order to allow Dr. Kesari to write prescriptions for schedule II and III substances in the Boone Hospital emergency room where he continued to work.
The physician had no other disciplinary actions until his license suspension, but the Board lists settlement of four malpractice cases and the dismissal of a fifth between 1986 and 2001.
A version of this article first appeared on Medscape.com.
MDS: Adolescents and young adults have a favorable survival with allo-HSCT
Key clinical point: Adolescent and young adult (AYA) patients with myelodysplastic syndrome (MDS) receiving allogeneic hematopoietic stem cell transplantation (allo-HSCT) generally exhibit better survival than their non-AYA counterparts.
Major finding: The 3-year overall survival (OS) in AYA patients was 71.2% (95% confidence interval, 67.4%-74.6%). Predictors of poor 3-year OS were active disease status (adjusted hazard ratio [aHR], 1.54; P = .016), poor cytogenetic risk (aHR, 1.62; P = .011), poor performance status (aHR, 2.01; P = .016), human leukocyte antigen (HLA)-matched unrelated donors (aHR, 2.23; P less than .001), HLA-mismatched unrelated donors (aHR, 2.16; P = .027), and cord blood transplantation (aHR, 2.44; P = 0.001).
Study details: The study included 645 AYA patients with MDS, aged 16-39 years, who received first allo-HSCT.
Disclosures: No funding source was identified. The authors declared no conflicts of interest.
Source: Shimomura Y et al. Bone Marrow Transplant. 2021 May 15. doi: 10.1038/s41409-021-01324-8.
Key clinical point: Adolescent and young adult (AYA) patients with myelodysplastic syndrome (MDS) receiving allogeneic hematopoietic stem cell transplantation (allo-HSCT) generally exhibit better survival than their non-AYA counterparts.
Major finding: The 3-year overall survival (OS) in AYA patients was 71.2% (95% confidence interval, 67.4%-74.6%). Predictors of poor 3-year OS were active disease status (adjusted hazard ratio [aHR], 1.54; P = .016), poor cytogenetic risk (aHR, 1.62; P = .011), poor performance status (aHR, 2.01; P = .016), human leukocyte antigen (HLA)-matched unrelated donors (aHR, 2.23; P less than .001), HLA-mismatched unrelated donors (aHR, 2.16; P = .027), and cord blood transplantation (aHR, 2.44; P = 0.001).
Study details: The study included 645 AYA patients with MDS, aged 16-39 years, who received first allo-HSCT.
Disclosures: No funding source was identified. The authors declared no conflicts of interest.
Source: Shimomura Y et al. Bone Marrow Transplant. 2021 May 15. doi: 10.1038/s41409-021-01324-8.
Key clinical point: Adolescent and young adult (AYA) patients with myelodysplastic syndrome (MDS) receiving allogeneic hematopoietic stem cell transplantation (allo-HSCT) generally exhibit better survival than their non-AYA counterparts.
Major finding: The 3-year overall survival (OS) in AYA patients was 71.2% (95% confidence interval, 67.4%-74.6%). Predictors of poor 3-year OS were active disease status (adjusted hazard ratio [aHR], 1.54; P = .016), poor cytogenetic risk (aHR, 1.62; P = .011), poor performance status (aHR, 2.01; P = .016), human leukocyte antigen (HLA)-matched unrelated donors (aHR, 2.23; P less than .001), HLA-mismatched unrelated donors (aHR, 2.16; P = .027), and cord blood transplantation (aHR, 2.44; P = 0.001).
Study details: The study included 645 AYA patients with MDS, aged 16-39 years, who received first allo-HSCT.
Disclosures: No funding source was identified. The authors declared no conflicts of interest.
Source: Shimomura Y et al. Bone Marrow Transplant. 2021 May 15. doi: 10.1038/s41409-021-01324-8.