Lymphocyte, monocyte data can predict treatment response in follicular lymphoma

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Absolute lymphocyte cell (ALC) and absolute monocyte cell (AMC) counts, as well as their ratio (LMR) proved to be prognostic factors for treatment results, as shown by a database analysis of follicular lymphoma (FL) patients.

Progressive disease and stable disease after first-line therapy, as well as the mortality rate, were significantly associated with lower ALC, higher AMC, and higher LMR, according to the report published online.

Researchers analyzed the data of 100 FL variant patients admitted and treated between January 2009 and June 2018 at a single center.

Area under the curve analysis for discriminating between survival times showed 0.57 x 109 cells/L was the most discriminative ALC cutoff value, 1.24 x 109/L was the most discriminative AMC cutoff value, and 1.63 x 109/L was the most discriminative LMR cutoff value.

Shorter overall survival (OS) was significantly associated with lower ALC, compared with those having higher ALC. Shorter OS and progression-free survival (PFS) were significantly associated with higher AMC, compared with those having lower AMC. Shorter OS and PFS were also significantly associated with lower LMR, compared with those having higher LMR.

Overall, a high-risk score in the Follicular Lymphoma International Prognostic Index (FLIPI) and having a low LMR were considered risk factors for prediction of OS in all the studied FL patients in univariate analysis and multivariate analysis, according to the researchers.

“Our results prove the effect of lymphocyte and monocyte in the tumor immune response, which gives opportunity to several therapeutic strategies that target myeloid-derived suppressor cells (MDSCs), including monocytes and their progeny and improves the T-cell function in eradication strategies,” the researchers concluded.

No study funding or disclosure details were provided.

SOURCE: Mohsen A et al. Clin Lymphoma Myeloma Leuk. 2020 Mar 20. doi: 10.1016/j.clml.2020.03.007.

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Absolute lymphocyte cell (ALC) and absolute monocyte cell (AMC) counts, as well as their ratio (LMR) proved to be prognostic factors for treatment results, as shown by a database analysis of follicular lymphoma (FL) patients.

Progressive disease and stable disease after first-line therapy, as well as the mortality rate, were significantly associated with lower ALC, higher AMC, and higher LMR, according to the report published online.

Researchers analyzed the data of 100 FL variant patients admitted and treated between January 2009 and June 2018 at a single center.

Area under the curve analysis for discriminating between survival times showed 0.57 x 109 cells/L was the most discriminative ALC cutoff value, 1.24 x 109/L was the most discriminative AMC cutoff value, and 1.63 x 109/L was the most discriminative LMR cutoff value.

Shorter overall survival (OS) was significantly associated with lower ALC, compared with those having higher ALC. Shorter OS and progression-free survival (PFS) were significantly associated with higher AMC, compared with those having lower AMC. Shorter OS and PFS were also significantly associated with lower LMR, compared with those having higher LMR.

Overall, a high-risk score in the Follicular Lymphoma International Prognostic Index (FLIPI) and having a low LMR were considered risk factors for prediction of OS in all the studied FL patients in univariate analysis and multivariate analysis, according to the researchers.

“Our results prove the effect of lymphocyte and monocyte in the tumor immune response, which gives opportunity to several therapeutic strategies that target myeloid-derived suppressor cells (MDSCs), including monocytes and their progeny and improves the T-cell function in eradication strategies,” the researchers concluded.

No study funding or disclosure details were provided.

SOURCE: Mohsen A et al. Clin Lymphoma Myeloma Leuk. 2020 Mar 20. doi: 10.1016/j.clml.2020.03.007.

 

Absolute lymphocyte cell (ALC) and absolute monocyte cell (AMC) counts, as well as their ratio (LMR) proved to be prognostic factors for treatment results, as shown by a database analysis of follicular lymphoma (FL) patients.

Progressive disease and stable disease after first-line therapy, as well as the mortality rate, were significantly associated with lower ALC, higher AMC, and higher LMR, according to the report published online.

Researchers analyzed the data of 100 FL variant patients admitted and treated between January 2009 and June 2018 at a single center.

Area under the curve analysis for discriminating between survival times showed 0.57 x 109 cells/L was the most discriminative ALC cutoff value, 1.24 x 109/L was the most discriminative AMC cutoff value, and 1.63 x 109/L was the most discriminative LMR cutoff value.

Shorter overall survival (OS) was significantly associated with lower ALC, compared with those having higher ALC. Shorter OS and progression-free survival (PFS) were significantly associated with higher AMC, compared with those having lower AMC. Shorter OS and PFS were also significantly associated with lower LMR, compared with those having higher LMR.

Overall, a high-risk score in the Follicular Lymphoma International Prognostic Index (FLIPI) and having a low LMR were considered risk factors for prediction of OS in all the studied FL patients in univariate analysis and multivariate analysis, according to the researchers.

“Our results prove the effect of lymphocyte and monocyte in the tumor immune response, which gives opportunity to several therapeutic strategies that target myeloid-derived suppressor cells (MDSCs), including monocytes and their progeny and improves the T-cell function in eradication strategies,” the researchers concluded.

No study funding or disclosure details were provided.

SOURCE: Mohsen A et al. Clin Lymphoma Myeloma Leuk. 2020 Mar 20. doi: 10.1016/j.clml.2020.03.007.

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Edema Affecting the Penis and Scrotum

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Edema Affecting the Penis and Scrotum

The Diagnosis: Cutaneous Crohn Disease 

Crohn disease (CD) is an inflammatory bowel disease that can involve any region of the gastrointestinal (GI) tract from the mouth to the anus but most commonly presents in the terminal ileum, colon, or small bowel with transmural inflammation, fistula formation, and knife-cut fissures among the frequently described findings. Extraintestinal manifestations may be found in the liver, eyes, and joints, with cutaneous extraintestinal manifestations occurring in up to one-third of patients.1 

Crohn disease can be associated with multiple cutaneous findings, including erythema nodosum, pyoderma gangrenosum, aphthous ulcers, pyodermatitis-pyostomatitis vegetans, necrotizing vasculitis, and metastatic Crohn disease (MCD).2 Typical histopathologic findings seen in MCD such as noncaseating granulomatous inflammation in the papillary and reticular dermis, possibly extending to the subcutaneous fat, are not specific to MCD. Associated genital edema is thought to be a consequence of granulomatous inflammation of lymphatics. In one study reviewing specimens from 10 cases of CD, a mean of 46% of all granulomas identified on the slides (264 granulomas in total) were located proximal to lymphatic vessels, suggesting a common pathway for development of intestinal disease and genital edema.3 The differential diagnosis for penile and scrotal swelling is broad, and the diagnosis may be missed if attention is not given to the clinical history of the patient in addition to histopathologic findings.2 

Skin changes in CD also can be separated into perianal disease and true metastatic disease--the former recognized when anal lesions appear associated with segmental involvement of the GI tract and the latter as ulceration of the skin separated from the GI tract by normal tissue.1 The term sarcoidal reaction often is used to describe histopathologic findings in cutaneous CD, as it refers to the noncaseating granulomas found in approximately 60% of all cases.4 Ultimately, the location of noncaseating granulomas within the dermis of our patient's biopsy, taken in conjunction with the clinical history and the lack of defining features for other potential etiologies (eg, polarizable material, organisms on special stains), led to the diagnosis of cutaneous CD.  

Cutaneous manifestations of sarcoidosis most commonly occur as papules, plaques, and subcutaneous nodules predominantly on the face, upper back, arms, and legs. Although the histologic features of sarcoidosis are characterized by lymphocyte-poor noncaseating granulomas (Figure 1), these findings also can be seen as a consequence of multiple granulomatous causes.5,6 In a review of 48 cutaneous specimens from patients with sarcoidosis, the granulomas were found most frequently in the deep dermis (34/48 [70.8%]), with superficial dermis (21/48) and subcutaneous fat granulomas (20/48) each present in less than 50% of biopsies.5 Although less typical, cutaneous sarcoidosis also has been noted in the literature to present in the perianal and gluteal region, demonstrating dermal noncaseating granulomas on biopsy.7 One distinction in particular to be noted between sarcoid and CD is that sarcoid lesions in the skin rarely ulcerate, while the lesions of cutaneous CD often are ulcerated.4,6 

Figure 1. Sarcoidosis. Noncaseating granulomas composed of epithelioid histiocytes and multinucleated giant cells (H&E, original magnification ×100).

Lesions including abscesses in the groin may raise concern for hidradenitis suppurativa (HS), a disease of the apocrine gland-bearing skin. Typical lesions are tender subcutaneous erythematous nodules, cysts, and comedones that develop rapidly and may rupture to drain suppurative bloody discharge, subsequently healing with an atrophic scar.8 More persistent inflammation and rupture of nodules into the dermis may lead to formation of dermal tunnels with palpable cords and sinus tracts.8 Typical areas of disease involvement are in the axillae, inframammary folds, groin, or perigenital or perineal regions, with the diagnosis made on a combination of lesion morphology, location, and progression/recurrence frequency.9 Histologic examination of HS specimens can demonstrate a perifollicular lymphocytic infiltrate, with more advanced disease characterized by increased inflammatory cells, predominantly neutrophils, monocytes, and mast cells (Figure 2). The presence of granulomas in HS most often is of the foreign body type.9 Epithelioid granulomas noted in an area separate from inflammation in a patient with HS serve as a clue to be alert for systemic granulomatous disease.10  

Figure 2. Hidradenitis suppurativa. Punch biopsy demonstrating a neutrophil-predominant infiltrate (H&E, original magnification ×200).

Mycosis fungoides is the most common primary cutaneous lymphoma to show a granulomatous infiltrate; the granuloma generally is sarcoidal, though other forms are described (Figure 3).11 Beyond these granulomatous foci, the key histopathologic feature of granulomatous mycosis fungoides (GMF) is diffuse dermal infiltration by atypical lymphoid cells. Epidermotropism and sparing of dermal nerves is the most critical finding in the diagnosis of GMF, especially in geographic regions where leprosy is endemic and high on the differential, as the conditions have histopathologic similarities.11,12 At the same time, lack of epidermotropism does not exclude the diagnosis of GMF.13 Clinically, GMF presentation is variable, but common findings include erythematous and hyperpigmented patches and plaques. Given the lack of clear clinical criteria, the diagnosis relies primarily on histopathologic features.11 

Figure 3. Granulomatous mycosis fungoides. Poorly formed granulomas surrounding the follicular unit (H&E, original magnification ×200)

Mycobacterial skin and soft tissue infections may be attributed to both tuberculous and nontuberculous strains (atypical species).14 Clinical features range from small papules to large deformative plaques and ulcers.15 Histologic features also distinguish cutaneous tuberculosis (TB) from nontuberculous mycobacterial causes. Cutaneous TB shows caseous granulomas in the upper and mid dermis, while nontuberculous mycobacterial infections have more prominent neutrophil infiltration and interstitial granulomas (Figure 4).16 

Figure 4. Mycobacterial infection. Suppurative granulomatous inflammation with inflammatory cells and multinucleate giant cells (H&E, original magnification ×200).

In cutaneous TB specifically, extrapulmonary manifestations may involve the skin in 1% to 1.5% of all TB cases, and although rare, ulcerative skin TB has been noted in one report as a nonhealing perianal ulcer that showed necrotizing granulomas on biopsy.17 Ultimately, diagnosis of cutaneous mycobacterial infection is confirmed with detection of acid-fast bacilli in the biopsy specimen.16 

Diagnosis of cutaneous CD requires clinicopathologic correlation, as the clinical and histopathologic differential diagnoses of genital edema and noncaseating granulomas, respectively, are broad. Even though the clinical context was appropriate for cutaneous CD in this case, correct diagnosis required confirmatory histologic findings. Furthermore, taking multiple biopsies is prudent. In our patient, diagnostic findings only were present in the biopsy from the scrotum.  

References
  1. Hagen JW, Swoger JM, Grandinetti LM. Cutaneous manifestations of Crohn disease. Dermatol Clin. 2015;33:417-431.  
  2. Barrick BJ, Tollefson MM, Schoch JJ, et al. Penile and scrotal swelling: an underrecognized presentation of Crohn's disease. Pediatr Dermatol. 2016;33:172-177. 
  3. Mooney EE, Walker J, Hourihane DO. Relation of granulomas to lymphatic vessels in Crohn's disease. J Clin Pathol. 1995;48:335-338.   
  4. Parks AG, Morson BC, Pegum JS. Crohn's disease with cutaneous involvement. Proc R Soc Med. 1965;58:241-242.  
  5. García-Colmenero L, Sánchez-Schmidt JM, Barranco C, et al. The natural history of cutaneous sarcoidosis: clinical spectrum and histological analysis of 40 cases [published online October 18, 2018]. Int J Dermatol. 2019;58:178-184.  
  6. Yoo SS, Mimouni D, Nikolskaia OV, et al. Clinicopathologic features of ulcerative-atrophic sarcoidosis. Int J Dermatol. 2004;43:108-112.  
  7. Cohen GF, Wolfe CM. Recalcitrant diffuse cutaneous sarcoidosis with perianal involvement responding to adalimumab. J Drugs Dermatol. 2017;16:1305-1306. 
  8. Hoffman LK, Ghias MH, Lowes MA. Pathophysiology of hidradenitis suppurativa. Semin Cutan Med Surg. 2017;36:47-54.  
  9. Saunte DML, Jemec GBE. Hidradenitis suppurativa: advances in diagnosis and treatment. JAMA. 2017;318:2019-2032.  
  10. Attanoos RL, Appleton MA, Hughes LE, et al. Granulomatous hidradenitis suppurativa and cutaneous Crohn's disease. Histopathology. 1993;23:111-115.  
  11. Gutte R, Kharkar V, Mahajan S, et al. Granulomatous mycosis fungoides with hypohydrosis mimicking lepromatous leprosy. Indian J Dermatol Venerol Leprol. 2010;76:686-690.  
  12. Pousa CM, Nery NS, Mann D, et al. Granulomatous mycosis fungoides--a diagnostic challenge. An Bras Dermatol. 2015;90:554-556.  
  13. Kempf W, Ostheeren-Michaelis S, Paulli M, et al. Granulomatous mycosis fungoides and granulomatous slack skin: a multicenter study of the Cutaneous Lymphoma Histopathology Task Force Group of the European Organization for Research and Treatment of Cancer (EORTC). Arch Dermatol. 2008;144:1609-1617.  
  14. van Mechelen M, van der Hilst J, Gyssens IC, et al. Mycobacterial skin and soft tissue infections: TB or not TB? Neth J Med. 2018;76:269-274.  
  15. van Zyl L, du Plessis J, Viljoen J. Cutaneous tuberculosis overview and current treatment regimens. Tuberculosis (Edinb). 2015;95:629-638.  
  16. De Maio F, Trecarichi EM, Visconti E, et al. Understanding cutaneous tuberculosis: two clinical cases. JMM Case Rep. 2016;3:E005070. 
  17. Wu S, Wang W, Chen H, et al. Perianal ulcerative skin tuberculosis: a case report. Medicine (Baltimore). 2018;97:E10836. 
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From the Division of Dermatology, Department of Internal Medicine, University of Louisville School of Medicine, Kentucky.

The authors report no conflict of interest.

Correspondence: Jordan Jones, MD, 3810 Springhurst Blvd, Louisville, KY 40241 (jmjone39@louisville.edu).

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The authors report no conflict of interest.

Correspondence: Jordan Jones, MD, 3810 Springhurst Blvd, Louisville, KY 40241 (jmjone39@louisville.edu).

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From the Division of Dermatology, Department of Internal Medicine, University of Louisville School of Medicine, Kentucky.

The authors report no conflict of interest.

Correspondence: Jordan Jones, MD, 3810 Springhurst Blvd, Louisville, KY 40241 (jmjone39@louisville.edu).

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The Diagnosis: Cutaneous Crohn Disease 

Crohn disease (CD) is an inflammatory bowel disease that can involve any region of the gastrointestinal (GI) tract from the mouth to the anus but most commonly presents in the terminal ileum, colon, or small bowel with transmural inflammation, fistula formation, and knife-cut fissures among the frequently described findings. Extraintestinal manifestations may be found in the liver, eyes, and joints, with cutaneous extraintestinal manifestations occurring in up to one-third of patients.1 

Crohn disease can be associated with multiple cutaneous findings, including erythema nodosum, pyoderma gangrenosum, aphthous ulcers, pyodermatitis-pyostomatitis vegetans, necrotizing vasculitis, and metastatic Crohn disease (MCD).2 Typical histopathologic findings seen in MCD such as noncaseating granulomatous inflammation in the papillary and reticular dermis, possibly extending to the subcutaneous fat, are not specific to MCD. Associated genital edema is thought to be a consequence of granulomatous inflammation of lymphatics. In one study reviewing specimens from 10 cases of CD, a mean of 46% of all granulomas identified on the slides (264 granulomas in total) were located proximal to lymphatic vessels, suggesting a common pathway for development of intestinal disease and genital edema.3 The differential diagnosis for penile and scrotal swelling is broad, and the diagnosis may be missed if attention is not given to the clinical history of the patient in addition to histopathologic findings.2 

Skin changes in CD also can be separated into perianal disease and true metastatic disease--the former recognized when anal lesions appear associated with segmental involvement of the GI tract and the latter as ulceration of the skin separated from the GI tract by normal tissue.1 The term sarcoidal reaction often is used to describe histopathologic findings in cutaneous CD, as it refers to the noncaseating granulomas found in approximately 60% of all cases.4 Ultimately, the location of noncaseating granulomas within the dermis of our patient's biopsy, taken in conjunction with the clinical history and the lack of defining features for other potential etiologies (eg, polarizable material, organisms on special stains), led to the diagnosis of cutaneous CD.  

Cutaneous manifestations of sarcoidosis most commonly occur as papules, plaques, and subcutaneous nodules predominantly on the face, upper back, arms, and legs. Although the histologic features of sarcoidosis are characterized by lymphocyte-poor noncaseating granulomas (Figure 1), these findings also can be seen as a consequence of multiple granulomatous causes.5,6 In a review of 48 cutaneous specimens from patients with sarcoidosis, the granulomas were found most frequently in the deep dermis (34/48 [70.8%]), with superficial dermis (21/48) and subcutaneous fat granulomas (20/48) each present in less than 50% of biopsies.5 Although less typical, cutaneous sarcoidosis also has been noted in the literature to present in the perianal and gluteal region, demonstrating dermal noncaseating granulomas on biopsy.7 One distinction in particular to be noted between sarcoid and CD is that sarcoid lesions in the skin rarely ulcerate, while the lesions of cutaneous CD often are ulcerated.4,6 

Figure 1. Sarcoidosis. Noncaseating granulomas composed of epithelioid histiocytes and multinucleated giant cells (H&E, original magnification ×100).

Lesions including abscesses in the groin may raise concern for hidradenitis suppurativa (HS), a disease of the apocrine gland-bearing skin. Typical lesions are tender subcutaneous erythematous nodules, cysts, and comedones that develop rapidly and may rupture to drain suppurative bloody discharge, subsequently healing with an atrophic scar.8 More persistent inflammation and rupture of nodules into the dermis may lead to formation of dermal tunnels with palpable cords and sinus tracts.8 Typical areas of disease involvement are in the axillae, inframammary folds, groin, or perigenital or perineal regions, with the diagnosis made on a combination of lesion morphology, location, and progression/recurrence frequency.9 Histologic examination of HS specimens can demonstrate a perifollicular lymphocytic infiltrate, with more advanced disease characterized by increased inflammatory cells, predominantly neutrophils, monocytes, and mast cells (Figure 2). The presence of granulomas in HS most often is of the foreign body type.9 Epithelioid granulomas noted in an area separate from inflammation in a patient with HS serve as a clue to be alert for systemic granulomatous disease.10  

Figure 2. Hidradenitis suppurativa. Punch biopsy demonstrating a neutrophil-predominant infiltrate (H&E, original magnification ×200).

Mycosis fungoides is the most common primary cutaneous lymphoma to show a granulomatous infiltrate; the granuloma generally is sarcoidal, though other forms are described (Figure 3).11 Beyond these granulomatous foci, the key histopathologic feature of granulomatous mycosis fungoides (GMF) is diffuse dermal infiltration by atypical lymphoid cells. Epidermotropism and sparing of dermal nerves is the most critical finding in the diagnosis of GMF, especially in geographic regions where leprosy is endemic and high on the differential, as the conditions have histopathologic similarities.11,12 At the same time, lack of epidermotropism does not exclude the diagnosis of GMF.13 Clinically, GMF presentation is variable, but common findings include erythematous and hyperpigmented patches and plaques. Given the lack of clear clinical criteria, the diagnosis relies primarily on histopathologic features.11 

Figure 3. Granulomatous mycosis fungoides. Poorly formed granulomas surrounding the follicular unit (H&E, original magnification ×200)

Mycobacterial skin and soft tissue infections may be attributed to both tuberculous and nontuberculous strains (atypical species).14 Clinical features range from small papules to large deformative plaques and ulcers.15 Histologic features also distinguish cutaneous tuberculosis (TB) from nontuberculous mycobacterial causes. Cutaneous TB shows caseous granulomas in the upper and mid dermis, while nontuberculous mycobacterial infections have more prominent neutrophil infiltration and interstitial granulomas (Figure 4).16 

Figure 4. Mycobacterial infection. Suppurative granulomatous inflammation with inflammatory cells and multinucleate giant cells (H&E, original magnification ×200).

In cutaneous TB specifically, extrapulmonary manifestations may involve the skin in 1% to 1.5% of all TB cases, and although rare, ulcerative skin TB has been noted in one report as a nonhealing perianal ulcer that showed necrotizing granulomas on biopsy.17 Ultimately, diagnosis of cutaneous mycobacterial infection is confirmed with detection of acid-fast bacilli in the biopsy specimen.16 

Diagnosis of cutaneous CD requires clinicopathologic correlation, as the clinical and histopathologic differential diagnoses of genital edema and noncaseating granulomas, respectively, are broad. Even though the clinical context was appropriate for cutaneous CD in this case, correct diagnosis required confirmatory histologic findings. Furthermore, taking multiple biopsies is prudent. In our patient, diagnostic findings only were present in the biopsy from the scrotum.  

The Diagnosis: Cutaneous Crohn Disease 

Crohn disease (CD) is an inflammatory bowel disease that can involve any region of the gastrointestinal (GI) tract from the mouth to the anus but most commonly presents in the terminal ileum, colon, or small bowel with transmural inflammation, fistula formation, and knife-cut fissures among the frequently described findings. Extraintestinal manifestations may be found in the liver, eyes, and joints, with cutaneous extraintestinal manifestations occurring in up to one-third of patients.1 

Crohn disease can be associated with multiple cutaneous findings, including erythema nodosum, pyoderma gangrenosum, aphthous ulcers, pyodermatitis-pyostomatitis vegetans, necrotizing vasculitis, and metastatic Crohn disease (MCD).2 Typical histopathologic findings seen in MCD such as noncaseating granulomatous inflammation in the papillary and reticular dermis, possibly extending to the subcutaneous fat, are not specific to MCD. Associated genital edema is thought to be a consequence of granulomatous inflammation of lymphatics. In one study reviewing specimens from 10 cases of CD, a mean of 46% of all granulomas identified on the slides (264 granulomas in total) were located proximal to lymphatic vessels, suggesting a common pathway for development of intestinal disease and genital edema.3 The differential diagnosis for penile and scrotal swelling is broad, and the diagnosis may be missed if attention is not given to the clinical history of the patient in addition to histopathologic findings.2 

Skin changes in CD also can be separated into perianal disease and true metastatic disease--the former recognized when anal lesions appear associated with segmental involvement of the GI tract and the latter as ulceration of the skin separated from the GI tract by normal tissue.1 The term sarcoidal reaction often is used to describe histopathologic findings in cutaneous CD, as it refers to the noncaseating granulomas found in approximately 60% of all cases.4 Ultimately, the location of noncaseating granulomas within the dermis of our patient's biopsy, taken in conjunction with the clinical history and the lack of defining features for other potential etiologies (eg, polarizable material, organisms on special stains), led to the diagnosis of cutaneous CD.  

Cutaneous manifestations of sarcoidosis most commonly occur as papules, plaques, and subcutaneous nodules predominantly on the face, upper back, arms, and legs. Although the histologic features of sarcoidosis are characterized by lymphocyte-poor noncaseating granulomas (Figure 1), these findings also can be seen as a consequence of multiple granulomatous causes.5,6 In a review of 48 cutaneous specimens from patients with sarcoidosis, the granulomas were found most frequently in the deep dermis (34/48 [70.8%]), with superficial dermis (21/48) and subcutaneous fat granulomas (20/48) each present in less than 50% of biopsies.5 Although less typical, cutaneous sarcoidosis also has been noted in the literature to present in the perianal and gluteal region, demonstrating dermal noncaseating granulomas on biopsy.7 One distinction in particular to be noted between sarcoid and CD is that sarcoid lesions in the skin rarely ulcerate, while the lesions of cutaneous CD often are ulcerated.4,6 

Figure 1. Sarcoidosis. Noncaseating granulomas composed of epithelioid histiocytes and multinucleated giant cells (H&E, original magnification ×100).

Lesions including abscesses in the groin may raise concern for hidradenitis suppurativa (HS), a disease of the apocrine gland-bearing skin. Typical lesions are tender subcutaneous erythematous nodules, cysts, and comedones that develop rapidly and may rupture to drain suppurative bloody discharge, subsequently healing with an atrophic scar.8 More persistent inflammation and rupture of nodules into the dermis may lead to formation of dermal tunnels with palpable cords and sinus tracts.8 Typical areas of disease involvement are in the axillae, inframammary folds, groin, or perigenital or perineal regions, with the diagnosis made on a combination of lesion morphology, location, and progression/recurrence frequency.9 Histologic examination of HS specimens can demonstrate a perifollicular lymphocytic infiltrate, with more advanced disease characterized by increased inflammatory cells, predominantly neutrophils, monocytes, and mast cells (Figure 2). The presence of granulomas in HS most often is of the foreign body type.9 Epithelioid granulomas noted in an area separate from inflammation in a patient with HS serve as a clue to be alert for systemic granulomatous disease.10  

Figure 2. Hidradenitis suppurativa. Punch biopsy demonstrating a neutrophil-predominant infiltrate (H&E, original magnification ×200).

Mycosis fungoides is the most common primary cutaneous lymphoma to show a granulomatous infiltrate; the granuloma generally is sarcoidal, though other forms are described (Figure 3).11 Beyond these granulomatous foci, the key histopathologic feature of granulomatous mycosis fungoides (GMF) is diffuse dermal infiltration by atypical lymphoid cells. Epidermotropism and sparing of dermal nerves is the most critical finding in the diagnosis of GMF, especially in geographic regions where leprosy is endemic and high on the differential, as the conditions have histopathologic similarities.11,12 At the same time, lack of epidermotropism does not exclude the diagnosis of GMF.13 Clinically, GMF presentation is variable, but common findings include erythematous and hyperpigmented patches and plaques. Given the lack of clear clinical criteria, the diagnosis relies primarily on histopathologic features.11 

Figure 3. Granulomatous mycosis fungoides. Poorly formed granulomas surrounding the follicular unit (H&E, original magnification ×200)

Mycobacterial skin and soft tissue infections may be attributed to both tuberculous and nontuberculous strains (atypical species).14 Clinical features range from small papules to large deformative plaques and ulcers.15 Histologic features also distinguish cutaneous tuberculosis (TB) from nontuberculous mycobacterial causes. Cutaneous TB shows caseous granulomas in the upper and mid dermis, while nontuberculous mycobacterial infections have more prominent neutrophil infiltration and interstitial granulomas (Figure 4).16 

Figure 4. Mycobacterial infection. Suppurative granulomatous inflammation with inflammatory cells and multinucleate giant cells (H&E, original magnification ×200).

In cutaneous TB specifically, extrapulmonary manifestations may involve the skin in 1% to 1.5% of all TB cases, and although rare, ulcerative skin TB has been noted in one report as a nonhealing perianal ulcer that showed necrotizing granulomas on biopsy.17 Ultimately, diagnosis of cutaneous mycobacterial infection is confirmed with detection of acid-fast bacilli in the biopsy specimen.16 

Diagnosis of cutaneous CD requires clinicopathologic correlation, as the clinical and histopathologic differential diagnoses of genital edema and noncaseating granulomas, respectively, are broad. Even though the clinical context was appropriate for cutaneous CD in this case, correct diagnosis required confirmatory histologic findings. Furthermore, taking multiple biopsies is prudent. In our patient, diagnostic findings only were present in the biopsy from the scrotum.  

References
  1. Hagen JW, Swoger JM, Grandinetti LM. Cutaneous manifestations of Crohn disease. Dermatol Clin. 2015;33:417-431.  
  2. Barrick BJ, Tollefson MM, Schoch JJ, et al. Penile and scrotal swelling: an underrecognized presentation of Crohn's disease. Pediatr Dermatol. 2016;33:172-177. 
  3. Mooney EE, Walker J, Hourihane DO. Relation of granulomas to lymphatic vessels in Crohn's disease. J Clin Pathol. 1995;48:335-338.   
  4. Parks AG, Morson BC, Pegum JS. Crohn's disease with cutaneous involvement. Proc R Soc Med. 1965;58:241-242.  
  5. García-Colmenero L, Sánchez-Schmidt JM, Barranco C, et al. The natural history of cutaneous sarcoidosis: clinical spectrum and histological analysis of 40 cases [published online October 18, 2018]. Int J Dermatol. 2019;58:178-184.  
  6. Yoo SS, Mimouni D, Nikolskaia OV, et al. Clinicopathologic features of ulcerative-atrophic sarcoidosis. Int J Dermatol. 2004;43:108-112.  
  7. Cohen GF, Wolfe CM. Recalcitrant diffuse cutaneous sarcoidosis with perianal involvement responding to adalimumab. J Drugs Dermatol. 2017;16:1305-1306. 
  8. Hoffman LK, Ghias MH, Lowes MA. Pathophysiology of hidradenitis suppurativa. Semin Cutan Med Surg. 2017;36:47-54.  
  9. Saunte DML, Jemec GBE. Hidradenitis suppurativa: advances in diagnosis and treatment. JAMA. 2017;318:2019-2032.  
  10. Attanoos RL, Appleton MA, Hughes LE, et al. Granulomatous hidradenitis suppurativa and cutaneous Crohn's disease. Histopathology. 1993;23:111-115.  
  11. Gutte R, Kharkar V, Mahajan S, et al. Granulomatous mycosis fungoides with hypohydrosis mimicking lepromatous leprosy. Indian J Dermatol Venerol Leprol. 2010;76:686-690.  
  12. Pousa CM, Nery NS, Mann D, et al. Granulomatous mycosis fungoides--a diagnostic challenge. An Bras Dermatol. 2015;90:554-556.  
  13. Kempf W, Ostheeren-Michaelis S, Paulli M, et al. Granulomatous mycosis fungoides and granulomatous slack skin: a multicenter study of the Cutaneous Lymphoma Histopathology Task Force Group of the European Organization for Research and Treatment of Cancer (EORTC). Arch Dermatol. 2008;144:1609-1617.  
  14. van Mechelen M, van der Hilst J, Gyssens IC, et al. Mycobacterial skin and soft tissue infections: TB or not TB? Neth J Med. 2018;76:269-274.  
  15. van Zyl L, du Plessis J, Viljoen J. Cutaneous tuberculosis overview and current treatment regimens. Tuberculosis (Edinb). 2015;95:629-638.  
  16. De Maio F, Trecarichi EM, Visconti E, et al. Understanding cutaneous tuberculosis: two clinical cases. JMM Case Rep. 2016;3:E005070. 
  17. Wu S, Wang W, Chen H, et al. Perianal ulcerative skin tuberculosis: a case report. Medicine (Baltimore). 2018;97:E10836. 
References
  1. Hagen JW, Swoger JM, Grandinetti LM. Cutaneous manifestations of Crohn disease. Dermatol Clin. 2015;33:417-431.  
  2. Barrick BJ, Tollefson MM, Schoch JJ, et al. Penile and scrotal swelling: an underrecognized presentation of Crohn's disease. Pediatr Dermatol. 2016;33:172-177. 
  3. Mooney EE, Walker J, Hourihane DO. Relation of granulomas to lymphatic vessels in Crohn's disease. J Clin Pathol. 1995;48:335-338.   
  4. Parks AG, Morson BC, Pegum JS. Crohn's disease with cutaneous involvement. Proc R Soc Med. 1965;58:241-242.  
  5. García-Colmenero L, Sánchez-Schmidt JM, Barranco C, et al. The natural history of cutaneous sarcoidosis: clinical spectrum and histological analysis of 40 cases [published online October 18, 2018]. Int J Dermatol. 2019;58:178-184.  
  6. Yoo SS, Mimouni D, Nikolskaia OV, et al. Clinicopathologic features of ulcerative-atrophic sarcoidosis. Int J Dermatol. 2004;43:108-112.  
  7. Cohen GF, Wolfe CM. Recalcitrant diffuse cutaneous sarcoidosis with perianal involvement responding to adalimumab. J Drugs Dermatol. 2017;16:1305-1306. 
  8. Hoffman LK, Ghias MH, Lowes MA. Pathophysiology of hidradenitis suppurativa. Semin Cutan Med Surg. 2017;36:47-54.  
  9. Saunte DML, Jemec GBE. Hidradenitis suppurativa: advances in diagnosis and treatment. JAMA. 2017;318:2019-2032.  
  10. Attanoos RL, Appleton MA, Hughes LE, et al. Granulomatous hidradenitis suppurativa and cutaneous Crohn's disease. Histopathology. 1993;23:111-115.  
  11. Gutte R, Kharkar V, Mahajan S, et al. Granulomatous mycosis fungoides with hypohydrosis mimicking lepromatous leprosy. Indian J Dermatol Venerol Leprol. 2010;76:686-690.  
  12. Pousa CM, Nery NS, Mann D, et al. Granulomatous mycosis fungoides--a diagnostic challenge. An Bras Dermatol. 2015;90:554-556.  
  13. Kempf W, Ostheeren-Michaelis S, Paulli M, et al. Granulomatous mycosis fungoides and granulomatous slack skin: a multicenter study of the Cutaneous Lymphoma Histopathology Task Force Group of the European Organization for Research and Treatment of Cancer (EORTC). Arch Dermatol. 2008;144:1609-1617.  
  14. van Mechelen M, van der Hilst J, Gyssens IC, et al. Mycobacterial skin and soft tissue infections: TB or not TB? Neth J Med. 2018;76:269-274.  
  15. van Zyl L, du Plessis J, Viljoen J. Cutaneous tuberculosis overview and current treatment regimens. Tuberculosis (Edinb). 2015;95:629-638.  
  16. De Maio F, Trecarichi EM, Visconti E, et al. Understanding cutaneous tuberculosis: two clinical cases. JMM Case Rep. 2016;3:E005070. 
  17. Wu S, Wang W, Chen H, et al. Perianal ulcerative skin tuberculosis: a case report. Medicine (Baltimore). 2018;97:E10836. 
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A 44-year-old man presented for evaluation of self-described "skin ripping" on the penis with penile and scrotal edema of 1 year's duration. He had a history of bowel symptoms and anorectal fistula of 3 years' duration. Purulent penile drainage and inguinal lymphadenopathy were noted on physical examination. Excisional biopsies of the scrotum and penis were performed. Special stains for organisms were negative.

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COVID-19 hits physician couple: Dramatically different responses

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A physician couple who both had COVID-19 had very different responses — one ending up in intensive care, the other asymptomatic.

Their story, one of two people living together but with such different responses to the infection, illustrates how much is still to be learned about COVID-19, says Noopur Raje, MD, professor of medicine at Harvard Medical School and director of the Center for Multiple Myeloma at Massachusetts General Hospital (MGH) in Boston.

“After experiencing #Covid_19 from the patient/caregiver end despite both of us being physicians at a major academic medical center, this has been a challenge like no other I have experienced,” Raje (@NoopurRajeMD) wrote on Twitter.

She outlined their experiences in a Twitter thread and elaborated in an interview with Medscape Medical News.

Raje says that she wants clinicians to know how symptoms can evolve both quickly and suddenly.

She recalls how for 10 days, she cared for her COVID-19–positive husband at home, separated from him by a floor in their Boston townhouse and wearing a surgical mask and gloves to bring him food and fluids, as he was too weak to help himself.

Despite the high fevers, chills, extreme fatigue, and dramatic weight loss, Raje says she felt reasonably confident that her husband was getting better. His temperature had dropped from around 103 to 101, his heart rate was in the 80s, and his blood pressure was “OK,” she recalls.

But then Jag Singh, MD, an otherwise healthy 55-year-old Harvard professor and cardiologist, started to cough — and everything suddenly changed.

The cough sounded chesty, and he was weak and unwell. They decided that he needed medical help.

“I was planning on driving him to the hospital, but I ended up having to call 911, although we literally live across the street,” she said.

“We have stairs here and I wasn’t sure that he would be able to make it coming down with me trying to help him, so the safest thing was for me to call for help.”

Singh was admitted straight to the medical intensive care unit (MICU) while his wife waited at home.

“I was blown away when I saw Jag’s x-ray and CT scan and the bilateral pneumonia he had developed,” she commented. “I would not have believed it, the way he was clinically — and seeing that x-ray.

“Honestly, when I took him in to hospital, I thought he’d be there a couple of days — over the weekend — and I’d get him back Monday. But it didn’t turn out that way. He was there for about 9 days.”

That first night in the hospital, Singh consented to intubation — should he need it. “He called me then,” said Raje. “I said we’ve got to do what we’ve got to do, it’s OK — it is what it is, and we’ll do whatever it takes.”

He remained in the MICU overnight and through the next day, still breathing on his own, but with the looming prospect of mechanical ventilation.

“The good news is he maintained his oxygen saturations throughout,” said Raje. “I was able to see his vitals with EPIC [remote monitoring] ... It was crazy,” she recalls. “Seeing a respiratory rate of 26 was difficult. When you see that, you worry about somebody tiring with the breathing. His inflammatory markers kept climbing, his fevers persisted.”

Thankfully, he never needed the ventilator.

But by this time Raje had another worry: She, too, had tested positive and was now alone at home.

“I was unable to talk to my extended family as they all looked to us as physicians for support,” she tweeted. Both children came to Boston to see her, but she saw them only through a window.

Alone, she waited for the same symptoms that had slammed her husband; but they never came — something she wants caregivers to know.

“The fear and anxiety of taking care of somebody who’s COVID positive ... I am hoping that can be alleviated a little bit at least,” she said. “If you’ve been taking care of someone, chances are you’re probably positive already and if you’re not sick, the chances of you getting sick are really low, so don’t be afraid to take care of that person.”

Singh is recovering well at home now, almost a month into his illness. During the interview, conducted via Zoom, he could be heard coughing in the background.

While in the MICU, Singh was treated with azithromycin and hydroxychloroquine — standard at MGH for critically ill COVID-19 patients — and he was also enrolled into a double-blind, randomized, placebo-controlled trial of the investigational agent remdesivir (Gilead).

Raje is not sure what, if anything, helped him turn the corner.

“I saw his inflammatory markers get worse actually — I don’t think we can know if the drugs made a difference,” she says. “His first dose of hydroxychloroquine was Friday night when he was admitted, and the markers continued to climb until the next Thursday.”

In particular, his C-reactive protein (CRP) kept rising, reaching the 260 to 270 mg/dL range, “which to me was scary,” she said. “I do think he had a cytokine storm going, but I didn’t see those results.”

“Understanding the immune compartment is going to be so, so critically important and what it is that we can do to boost folks’ immune systems,” she said.

“If you have a very high viral load and your immune system is not 100% even though you’re otherwise healthy, you might be the person who ends up with that more serious response to this virus. Trying to study this in a focused way, looking at the immune compartment, looking at the antibody status, looking at the viral load — there’s so much more we need to look at. Until we get the vaccine, which is probably a year-and-a-half away, we need to look at how can we develop that herd immunity so we don’t have folks getting as critically ill as they do.”

Despite feeling perfectly healthy, Raje is still at home. Three weeks after her first test, she is still testing positive for COVID-19, waiting for two consecutive negative results 72 hours apart before she is allowed back to work at the hospital.

When she gets the green light, she plans to go work on the COVID-19 floor, if needed. “It’s people like us [who have had COVID-19] who have to get back in the trenches and do the work now,” she says.

“My biggest concern is that it’s a very isolating experience for the COVID-positive patient. We are doing complete-barrier nursing — they are completely alone. The only person who ever walks into the room is the nurse — and the physician goes in once a day. It’s so important that we don’t lose sight of compassion,” she says.

“That’s why, in terms of alleviating anxiety, it is so important we do antibody testing so that people can actually go in and take care of these folks.”

‘Look for red flag’

Raje wants physicians to warn their self-isolating patients and caregivers to look for red flags. “There are primary care physicians who reached out to me [after my tweets] and said ‘when someone calls me and says it’s been 5-7 days and I am still not feeling well, I am going to look at that more seriously.’

“Part of me wanting to share this experience was basically to dispel the notion that 2 weeks into this you’re going to be fine,” she said, because it is not widely appreciated, she feels that “in week 2, you could become pretty sick.”

This article first appeared on Medscape.com.

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A physician couple who both had COVID-19 had very different responses — one ending up in intensive care, the other asymptomatic.

Their story, one of two people living together but with such different responses to the infection, illustrates how much is still to be learned about COVID-19, says Noopur Raje, MD, professor of medicine at Harvard Medical School and director of the Center for Multiple Myeloma at Massachusetts General Hospital (MGH) in Boston.

“After experiencing #Covid_19 from the patient/caregiver end despite both of us being physicians at a major academic medical center, this has been a challenge like no other I have experienced,” Raje (@NoopurRajeMD) wrote on Twitter.

She outlined their experiences in a Twitter thread and elaborated in an interview with Medscape Medical News.

Raje says that she wants clinicians to know how symptoms can evolve both quickly and suddenly.

She recalls how for 10 days, she cared for her COVID-19–positive husband at home, separated from him by a floor in their Boston townhouse and wearing a surgical mask and gloves to bring him food and fluids, as he was too weak to help himself.

Despite the high fevers, chills, extreme fatigue, and dramatic weight loss, Raje says she felt reasonably confident that her husband was getting better. His temperature had dropped from around 103 to 101, his heart rate was in the 80s, and his blood pressure was “OK,” she recalls.

But then Jag Singh, MD, an otherwise healthy 55-year-old Harvard professor and cardiologist, started to cough — and everything suddenly changed.

The cough sounded chesty, and he was weak and unwell. They decided that he needed medical help.

“I was planning on driving him to the hospital, but I ended up having to call 911, although we literally live across the street,” she said.

“We have stairs here and I wasn’t sure that he would be able to make it coming down with me trying to help him, so the safest thing was for me to call for help.”

Singh was admitted straight to the medical intensive care unit (MICU) while his wife waited at home.

“I was blown away when I saw Jag’s x-ray and CT scan and the bilateral pneumonia he had developed,” she commented. “I would not have believed it, the way he was clinically — and seeing that x-ray.

“Honestly, when I took him in to hospital, I thought he’d be there a couple of days — over the weekend — and I’d get him back Monday. But it didn’t turn out that way. He was there for about 9 days.”

That first night in the hospital, Singh consented to intubation — should he need it. “He called me then,” said Raje. “I said we’ve got to do what we’ve got to do, it’s OK — it is what it is, and we’ll do whatever it takes.”

He remained in the MICU overnight and through the next day, still breathing on his own, but with the looming prospect of mechanical ventilation.

“The good news is he maintained his oxygen saturations throughout,” said Raje. “I was able to see his vitals with EPIC [remote monitoring] ... It was crazy,” she recalls. “Seeing a respiratory rate of 26 was difficult. When you see that, you worry about somebody tiring with the breathing. His inflammatory markers kept climbing, his fevers persisted.”

Thankfully, he never needed the ventilator.

But by this time Raje had another worry: She, too, had tested positive and was now alone at home.

“I was unable to talk to my extended family as they all looked to us as physicians for support,” she tweeted. Both children came to Boston to see her, but she saw them only through a window.

Alone, she waited for the same symptoms that had slammed her husband; but they never came — something she wants caregivers to know.

“The fear and anxiety of taking care of somebody who’s COVID positive ... I am hoping that can be alleviated a little bit at least,” she said. “If you’ve been taking care of someone, chances are you’re probably positive already and if you’re not sick, the chances of you getting sick are really low, so don’t be afraid to take care of that person.”

Singh is recovering well at home now, almost a month into his illness. During the interview, conducted via Zoom, he could be heard coughing in the background.

While in the MICU, Singh was treated with azithromycin and hydroxychloroquine — standard at MGH for critically ill COVID-19 patients — and he was also enrolled into a double-blind, randomized, placebo-controlled trial of the investigational agent remdesivir (Gilead).

Raje is not sure what, if anything, helped him turn the corner.

“I saw his inflammatory markers get worse actually — I don’t think we can know if the drugs made a difference,” she says. “His first dose of hydroxychloroquine was Friday night when he was admitted, and the markers continued to climb until the next Thursday.”

In particular, his C-reactive protein (CRP) kept rising, reaching the 260 to 270 mg/dL range, “which to me was scary,” she said. “I do think he had a cytokine storm going, but I didn’t see those results.”

“Understanding the immune compartment is going to be so, so critically important and what it is that we can do to boost folks’ immune systems,” she said.

“If you have a very high viral load and your immune system is not 100% even though you’re otherwise healthy, you might be the person who ends up with that more serious response to this virus. Trying to study this in a focused way, looking at the immune compartment, looking at the antibody status, looking at the viral load — there’s so much more we need to look at. Until we get the vaccine, which is probably a year-and-a-half away, we need to look at how can we develop that herd immunity so we don’t have folks getting as critically ill as they do.”

Despite feeling perfectly healthy, Raje is still at home. Three weeks after her first test, she is still testing positive for COVID-19, waiting for two consecutive negative results 72 hours apart before she is allowed back to work at the hospital.

When she gets the green light, she plans to go work on the COVID-19 floor, if needed. “It’s people like us [who have had COVID-19] who have to get back in the trenches and do the work now,” she says.

“My biggest concern is that it’s a very isolating experience for the COVID-positive patient. We are doing complete-barrier nursing — they are completely alone. The only person who ever walks into the room is the nurse — and the physician goes in once a day. It’s so important that we don’t lose sight of compassion,” she says.

“That’s why, in terms of alleviating anxiety, it is so important we do antibody testing so that people can actually go in and take care of these folks.”

‘Look for red flag’

Raje wants physicians to warn their self-isolating patients and caregivers to look for red flags. “There are primary care physicians who reached out to me [after my tweets] and said ‘when someone calls me and says it’s been 5-7 days and I am still not feeling well, I am going to look at that more seriously.’

“Part of me wanting to share this experience was basically to dispel the notion that 2 weeks into this you’re going to be fine,” she said, because it is not widely appreciated, she feels that “in week 2, you could become pretty sick.”

This article first appeared on Medscape.com.

A physician couple who both had COVID-19 had very different responses — one ending up in intensive care, the other asymptomatic.

Their story, one of two people living together but with such different responses to the infection, illustrates how much is still to be learned about COVID-19, says Noopur Raje, MD, professor of medicine at Harvard Medical School and director of the Center for Multiple Myeloma at Massachusetts General Hospital (MGH) in Boston.

“After experiencing #Covid_19 from the patient/caregiver end despite both of us being physicians at a major academic medical center, this has been a challenge like no other I have experienced,” Raje (@NoopurRajeMD) wrote on Twitter.

She outlined their experiences in a Twitter thread and elaborated in an interview with Medscape Medical News.

Raje says that she wants clinicians to know how symptoms can evolve both quickly and suddenly.

She recalls how for 10 days, she cared for her COVID-19–positive husband at home, separated from him by a floor in their Boston townhouse and wearing a surgical mask and gloves to bring him food and fluids, as he was too weak to help himself.

Despite the high fevers, chills, extreme fatigue, and dramatic weight loss, Raje says she felt reasonably confident that her husband was getting better. His temperature had dropped from around 103 to 101, his heart rate was in the 80s, and his blood pressure was “OK,” she recalls.

But then Jag Singh, MD, an otherwise healthy 55-year-old Harvard professor and cardiologist, started to cough — and everything suddenly changed.

The cough sounded chesty, and he was weak and unwell. They decided that he needed medical help.

“I was planning on driving him to the hospital, but I ended up having to call 911, although we literally live across the street,” she said.

“We have stairs here and I wasn’t sure that he would be able to make it coming down with me trying to help him, so the safest thing was for me to call for help.”

Singh was admitted straight to the medical intensive care unit (MICU) while his wife waited at home.

“I was blown away when I saw Jag’s x-ray and CT scan and the bilateral pneumonia he had developed,” she commented. “I would not have believed it, the way he was clinically — and seeing that x-ray.

“Honestly, when I took him in to hospital, I thought he’d be there a couple of days — over the weekend — and I’d get him back Monday. But it didn’t turn out that way. He was there for about 9 days.”

That first night in the hospital, Singh consented to intubation — should he need it. “He called me then,” said Raje. “I said we’ve got to do what we’ve got to do, it’s OK — it is what it is, and we’ll do whatever it takes.”

He remained in the MICU overnight and through the next day, still breathing on his own, but with the looming prospect of mechanical ventilation.

“The good news is he maintained his oxygen saturations throughout,” said Raje. “I was able to see his vitals with EPIC [remote monitoring] ... It was crazy,” she recalls. “Seeing a respiratory rate of 26 was difficult. When you see that, you worry about somebody tiring with the breathing. His inflammatory markers kept climbing, his fevers persisted.”

Thankfully, he never needed the ventilator.

But by this time Raje had another worry: She, too, had tested positive and was now alone at home.

“I was unable to talk to my extended family as they all looked to us as physicians for support,” she tweeted. Both children came to Boston to see her, but she saw them only through a window.

Alone, she waited for the same symptoms that had slammed her husband; but they never came — something she wants caregivers to know.

“The fear and anxiety of taking care of somebody who’s COVID positive ... I am hoping that can be alleviated a little bit at least,” she said. “If you’ve been taking care of someone, chances are you’re probably positive already and if you’re not sick, the chances of you getting sick are really low, so don’t be afraid to take care of that person.”

Singh is recovering well at home now, almost a month into his illness. During the interview, conducted via Zoom, he could be heard coughing in the background.

While in the MICU, Singh was treated with azithromycin and hydroxychloroquine — standard at MGH for critically ill COVID-19 patients — and he was also enrolled into a double-blind, randomized, placebo-controlled trial of the investigational agent remdesivir (Gilead).

Raje is not sure what, if anything, helped him turn the corner.

“I saw his inflammatory markers get worse actually — I don’t think we can know if the drugs made a difference,” she says. “His first dose of hydroxychloroquine was Friday night when he was admitted, and the markers continued to climb until the next Thursday.”

In particular, his C-reactive protein (CRP) kept rising, reaching the 260 to 270 mg/dL range, “which to me was scary,” she said. “I do think he had a cytokine storm going, but I didn’t see those results.”

“Understanding the immune compartment is going to be so, so critically important and what it is that we can do to boost folks’ immune systems,” she said.

“If you have a very high viral load and your immune system is not 100% even though you’re otherwise healthy, you might be the person who ends up with that more serious response to this virus. Trying to study this in a focused way, looking at the immune compartment, looking at the antibody status, looking at the viral load — there’s so much more we need to look at. Until we get the vaccine, which is probably a year-and-a-half away, we need to look at how can we develop that herd immunity so we don’t have folks getting as critically ill as they do.”

Despite feeling perfectly healthy, Raje is still at home. Three weeks after her first test, she is still testing positive for COVID-19, waiting for two consecutive negative results 72 hours apart before she is allowed back to work at the hospital.

When she gets the green light, she plans to go work on the COVID-19 floor, if needed. “It’s people like us [who have had COVID-19] who have to get back in the trenches and do the work now,” she says.

“My biggest concern is that it’s a very isolating experience for the COVID-positive patient. We are doing complete-barrier nursing — they are completely alone. The only person who ever walks into the room is the nurse — and the physician goes in once a day. It’s so important that we don’t lose sight of compassion,” she says.

“That’s why, in terms of alleviating anxiety, it is so important we do antibody testing so that people can actually go in and take care of these folks.”

‘Look for red flag’

Raje wants physicians to warn their self-isolating patients and caregivers to look for red flags. “There are primary care physicians who reached out to me [after my tweets] and said ‘when someone calls me and says it’s been 5-7 days and I am still not feeling well, I am going to look at that more seriously.’

“Part of me wanting to share this experience was basically to dispel the notion that 2 weeks into this you’re going to be fine,” she said, because it is not widely appreciated, she feels that “in week 2, you could become pretty sick.”

This article first appeared on Medscape.com.

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NYC hospitals require health care workers to report in person, even for phone and telehealth work

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A social worker in New York City was home, caring for his sick son, when the hospital at which he works ordered him to report back to work. His son had COVID-19, yet his hospital told him he had to show up in person.

The social worker’s situation is just one of many NYC Health + Hospitals employees who could work remotely yet are required to report in person. His circumstances were described in a letter sent by Lichten & Bright, a law firm representing the New York City Health Services Employees Union, Local 768.

“Despite the fact that all or virtually all of the work social workers perform can be done remotely, only a handful…are being permitted to work from home,” said the letter, which was written on behalf of about 1000 social workers and 150 medical records specialists and addressed to NYC H+H CEO Mitchell Katz, MD.

Most social workers stopped seeing patients in person in early March. But many still face crowded conditions at several points during their work day. They take public transportation to work, come face-to-face with other health care workers and patients in elevators, and some attend daily meetings with up to 10 employees in conference rooms too small to stay six feet apart, the letter says.

“The social workers are scared to go to work,” said Daniel Bright, the letter’s author. “They’re baffled by the lack of any management response that would allow them to work from home. They are worried about getting exposed to the coronavirus while riding the subway or the bus to work or at work from a doctor or nurse or patient, and getting sick themselves or taking it home to their families.”

There is no good reason that the social workers should be compelled to be physically at work during the COVID-19 pandemic, Bright said. The handful of social workers at NYC H+H’s World Trade Center Environmental Health Center clinic at Bellevue who have been allowed to work from home on an ad hoc basis, he said, have done so successfully.

In response to Bright’s letter, the hospital system issued a statement that seemed to downplay workers’ assessment of the situation, and included the following: “NYC Health + Hospital social workers…play different roles in our system, from acting as front-line providers to navigating safe discharges and helping patients and families with important health care decisions. Depending on the facility, the department, and the role they play, decisions are made by our hospital leaders on whether their critical work could be done remotely.”

Recently, many medical associations have issued statements supporting the rights of health care workers to speak up without fear of repercussion. But NYC H+H social workers have been complying with the orders because they say they’re scared of retaliation: In daily video conference calls, an administrator at one of NYC H+H’s hospitals has shown exasperation when asked about working from home, multiple employees told Medscape Medical News. And other questions, they said, such as whether staff could receive hazard pay, were scoffed at. Instead, the administration mentioned disciplinary action for those who didn’t show up to work.

During Thursday’s call, a recording of which was obtained by Medscape, the CEO of one NYC H+H hospital chastised his employees for taking their concerns to the press.

“People are just taking things and you know, using things for their benefit to be able to create problems for us who are trying to do our jobs,” he said, adding that he refuses to be bullied or blackmailed and that he’ll continue to do what he needs to do as CEO — but he wanted people to know “some of the garbage I have to deal with.”

He also reminded employees of documentation people need to provide if they don’t come in to work for being sick or taking a personal leave so the hospital can verify that “you have a condition that warrants you being out.”

Christopher Miller, a spokesperson for the hospital system, said that “some employees in certain functions may be approved to telecommute.” But employees contacted by Medscape who see all of their clients remotely said their requests to telecommute have not been approved.

At this point, it’s no longer a theoretical problem. COVID-19 appears to have spread among a cluster of people reporting to work in one of the H+H hospitals, employees said. In some cases, employees’ family members also became ill.

This article first appeared on Medscape.com.

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A social worker in New York City was home, caring for his sick son, when the hospital at which he works ordered him to report back to work. His son had COVID-19, yet his hospital told him he had to show up in person.

The social worker’s situation is just one of many NYC Health + Hospitals employees who could work remotely yet are required to report in person. His circumstances were described in a letter sent by Lichten & Bright, a law firm representing the New York City Health Services Employees Union, Local 768.

“Despite the fact that all or virtually all of the work social workers perform can be done remotely, only a handful…are being permitted to work from home,” said the letter, which was written on behalf of about 1000 social workers and 150 medical records specialists and addressed to NYC H+H CEO Mitchell Katz, MD.

Most social workers stopped seeing patients in person in early March. But many still face crowded conditions at several points during their work day. They take public transportation to work, come face-to-face with other health care workers and patients in elevators, and some attend daily meetings with up to 10 employees in conference rooms too small to stay six feet apart, the letter says.

“The social workers are scared to go to work,” said Daniel Bright, the letter’s author. “They’re baffled by the lack of any management response that would allow them to work from home. They are worried about getting exposed to the coronavirus while riding the subway or the bus to work or at work from a doctor or nurse or patient, and getting sick themselves or taking it home to their families.”

There is no good reason that the social workers should be compelled to be physically at work during the COVID-19 pandemic, Bright said. The handful of social workers at NYC H+H’s World Trade Center Environmental Health Center clinic at Bellevue who have been allowed to work from home on an ad hoc basis, he said, have done so successfully.

In response to Bright’s letter, the hospital system issued a statement that seemed to downplay workers’ assessment of the situation, and included the following: “NYC Health + Hospital social workers…play different roles in our system, from acting as front-line providers to navigating safe discharges and helping patients and families with important health care decisions. Depending on the facility, the department, and the role they play, decisions are made by our hospital leaders on whether their critical work could be done remotely.”

Recently, many medical associations have issued statements supporting the rights of health care workers to speak up without fear of repercussion. But NYC H+H social workers have been complying with the orders because they say they’re scared of retaliation: In daily video conference calls, an administrator at one of NYC H+H’s hospitals has shown exasperation when asked about working from home, multiple employees told Medscape Medical News. And other questions, they said, such as whether staff could receive hazard pay, were scoffed at. Instead, the administration mentioned disciplinary action for those who didn’t show up to work.

During Thursday’s call, a recording of which was obtained by Medscape, the CEO of one NYC H+H hospital chastised his employees for taking their concerns to the press.

“People are just taking things and you know, using things for their benefit to be able to create problems for us who are trying to do our jobs,” he said, adding that he refuses to be bullied or blackmailed and that he’ll continue to do what he needs to do as CEO — but he wanted people to know “some of the garbage I have to deal with.”

He also reminded employees of documentation people need to provide if they don’t come in to work for being sick or taking a personal leave so the hospital can verify that “you have a condition that warrants you being out.”

Christopher Miller, a spokesperson for the hospital system, said that “some employees in certain functions may be approved to telecommute.” But employees contacted by Medscape who see all of their clients remotely said their requests to telecommute have not been approved.

At this point, it’s no longer a theoretical problem. COVID-19 appears to have spread among a cluster of people reporting to work in one of the H+H hospitals, employees said. In some cases, employees’ family members also became ill.

This article first appeared on Medscape.com.

A social worker in New York City was home, caring for his sick son, when the hospital at which he works ordered him to report back to work. His son had COVID-19, yet his hospital told him he had to show up in person.

The social worker’s situation is just one of many NYC Health + Hospitals employees who could work remotely yet are required to report in person. His circumstances were described in a letter sent by Lichten & Bright, a law firm representing the New York City Health Services Employees Union, Local 768.

“Despite the fact that all or virtually all of the work social workers perform can be done remotely, only a handful…are being permitted to work from home,” said the letter, which was written on behalf of about 1000 social workers and 150 medical records specialists and addressed to NYC H+H CEO Mitchell Katz, MD.

Most social workers stopped seeing patients in person in early March. But many still face crowded conditions at several points during their work day. They take public transportation to work, come face-to-face with other health care workers and patients in elevators, and some attend daily meetings with up to 10 employees in conference rooms too small to stay six feet apart, the letter says.

“The social workers are scared to go to work,” said Daniel Bright, the letter’s author. “They’re baffled by the lack of any management response that would allow them to work from home. They are worried about getting exposed to the coronavirus while riding the subway or the bus to work or at work from a doctor or nurse or patient, and getting sick themselves or taking it home to their families.”

There is no good reason that the social workers should be compelled to be physically at work during the COVID-19 pandemic, Bright said. The handful of social workers at NYC H+H’s World Trade Center Environmental Health Center clinic at Bellevue who have been allowed to work from home on an ad hoc basis, he said, have done so successfully.

In response to Bright’s letter, the hospital system issued a statement that seemed to downplay workers’ assessment of the situation, and included the following: “NYC Health + Hospital social workers…play different roles in our system, from acting as front-line providers to navigating safe discharges and helping patients and families with important health care decisions. Depending on the facility, the department, and the role they play, decisions are made by our hospital leaders on whether their critical work could be done remotely.”

Recently, many medical associations have issued statements supporting the rights of health care workers to speak up without fear of repercussion. But NYC H+H social workers have been complying with the orders because they say they’re scared of retaliation: In daily video conference calls, an administrator at one of NYC H+H’s hospitals has shown exasperation when asked about working from home, multiple employees told Medscape Medical News. And other questions, they said, such as whether staff could receive hazard pay, were scoffed at. Instead, the administration mentioned disciplinary action for those who didn’t show up to work.

During Thursday’s call, a recording of which was obtained by Medscape, the CEO of one NYC H+H hospital chastised his employees for taking their concerns to the press.

“People are just taking things and you know, using things for their benefit to be able to create problems for us who are trying to do our jobs,” he said, adding that he refuses to be bullied or blackmailed and that he’ll continue to do what he needs to do as CEO — but he wanted people to know “some of the garbage I have to deal with.”

He also reminded employees of documentation people need to provide if they don’t come in to work for being sick or taking a personal leave so the hospital can verify that “you have a condition that warrants you being out.”

Christopher Miller, a spokesperson for the hospital system, said that “some employees in certain functions may be approved to telecommute.” But employees contacted by Medscape who see all of their clients remotely said their requests to telecommute have not been approved.

At this point, it’s no longer a theoretical problem. COVID-19 appears to have spread among a cluster of people reporting to work in one of the H+H hospitals, employees said. In some cases, employees’ family members also became ill.

This article first appeared on Medscape.com.

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Klotho allele lowers APOE4-associated risk of Alzheimer’s

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Cognitively normal carriers of the apolipoprotein E epsilon-4 (APOE4) allele aged 60 years and older who also showed heterozygosity for the Klotho-VS allele had a significantly reduced risk of developing Alzheimer’s disease, according to data from 22 research groups including more than 20,000 adults.

The transmembrane protein known as klotho (KL) is part of a functional haplotype known as KL-VS. “Specifically, heterozygosity for KL-VS (KL-VSHET+ status) has been shown to increase serum levels of KL and exert protective effects on healthy aging and longevity when compared with individuals who are homozygotes for the major or minor alleles (KL-VSHET−),” wrote Michael E. Belloy, PhD, of Stanford (Calif.) University and colleagues. However, the possible role of KL-VS in protecting against neurodegenerative disorders such as Alzheimer’s disease (AD) remains unclear, they said.

In a study published in JAMA Neurology, the researchers reviewed data from 20,928 participants in case-control studies, as well as 3,008 participants in conversion studies, 556 in amyloid-beta (a-beta) cerebrospinal fluid regression analyses, and 251 in brain amyloid PET regression analyses. The participants were aged 60-80 years, and of non-Hispanic northern European ancestry and were identified as cognitively normal or having mild cognitive impairment (MCI) or AD.

Overall, individuals with the APOE4 allele who were cognitively normal and heterozygous for KL-VS had a significantly reduced risk for developing AD (odds ratio, 0.75).

In addition, cognitively normal carriers of APOE4 with KL-VS heterozygosity had significantly lower risk of developing either MCI or AD (hazard ratio, 0.64). Also, those persons with APOE4 and positive KL-VS heterozygosity had higher a-beta in cerebrospinal fluid (P = .03) and lower a-beta on PET scans (P = .04). However, no association with cognitive outcomes were noted among APOE4 noncarriers, the researchers noted.

“This suggests that KL-VS interacts with aspects of AD pathology that are more pronounced in those who carry APOE4, such as a-beta accumulation during the presymptomatic phases of the disease,” they said.

The study findings were limited by the variable age and diagnoses across the multiple cohorts, but strengthened by the meta- and mega-analyses and sensitivity analyses that yielded consistent results, the researchers noted.

“Our work paves the way for biological validation studies to elucidate the molecular pathways by which KL-VS and APOE interact,” they said.

“The specificity of KL-VS benefits on AD in individuals who carry APOE4 is striking and suggests a yet-unstudied interaction between biological pathways of the klotho and APOE4 proteins,” wrote Dena B. Dubal, MD, and Jennifer S. Yokoyama, PhD, of the University of California, San Francisco, in an accompanying editorial. Despite limitations, the study findings have implications for clinical neurology, as well as clinical and translational research, they said.

“For personalized genomics, KL-VS status should integrate into knowledge that both lifestyle and genetics can negate or at least mitigate harmful influences of APOE4,” they noted. “In light of this, we might consider an individual’s KLOTHO genotype when counseling individuals who carry APOE4 about their prognosis for AD. In clinical trials using APOE4 for trial enrichment, further selection of individuals who carry APOE4 without KL-VS could define a population more likely to convert to AD and thus increase detection of a therapeutic benefit. In translational research, understanding how klotho itself or its biological pathways may counter APOE4 could lead to monumental progress in the future treatment of AD,” they added.

“Applying our growing knowledge of klotho to APOE4 and AD could ultimately pave the path to novel therapeutics for individuals who carry APOE4,” they concluded.

The study was supported by the Iqbal Farrukh & Asad Jamal Center for Cognitive Health in Aging, the South Palm Beach County Foundation, and the National Institutes of Health. The researchers had no financial conflicts to disclose. Dr. Dubal disclosed holding a patent for Methods for Improving Cognition that includes klotho, as well as consulting for Unity Biotechnology and receiving research funding from the National Institutes of Health, the American Federation for Aging Research, Glenn Medical Foundation, Unity Biotechnology, and other philanthropic support for translational research. Dr. Yokoyama disclosed research funding from the National Institutes of Health, the Department of Defense, and other foundations and philanthropic donors.

SOURCE: Belloy ME et al. JAMA Neurol. 2020 Apr 13. doi: 10.1001/jamaneurol.2020.0414.

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Cognitively normal carriers of the apolipoprotein E epsilon-4 (APOE4) allele aged 60 years and older who also showed heterozygosity for the Klotho-VS allele had a significantly reduced risk of developing Alzheimer’s disease, according to data from 22 research groups including more than 20,000 adults.

The transmembrane protein known as klotho (KL) is part of a functional haplotype known as KL-VS. “Specifically, heterozygosity for KL-VS (KL-VSHET+ status) has been shown to increase serum levels of KL and exert protective effects on healthy aging and longevity when compared with individuals who are homozygotes for the major or minor alleles (KL-VSHET−),” wrote Michael E. Belloy, PhD, of Stanford (Calif.) University and colleagues. However, the possible role of KL-VS in protecting against neurodegenerative disorders such as Alzheimer’s disease (AD) remains unclear, they said.

In a study published in JAMA Neurology, the researchers reviewed data from 20,928 participants in case-control studies, as well as 3,008 participants in conversion studies, 556 in amyloid-beta (a-beta) cerebrospinal fluid regression analyses, and 251 in brain amyloid PET regression analyses. The participants were aged 60-80 years, and of non-Hispanic northern European ancestry and were identified as cognitively normal or having mild cognitive impairment (MCI) or AD.

Overall, individuals with the APOE4 allele who were cognitively normal and heterozygous for KL-VS had a significantly reduced risk for developing AD (odds ratio, 0.75).

In addition, cognitively normal carriers of APOE4 with KL-VS heterozygosity had significantly lower risk of developing either MCI or AD (hazard ratio, 0.64). Also, those persons with APOE4 and positive KL-VS heterozygosity had higher a-beta in cerebrospinal fluid (P = .03) and lower a-beta on PET scans (P = .04). However, no association with cognitive outcomes were noted among APOE4 noncarriers, the researchers noted.

“This suggests that KL-VS interacts with aspects of AD pathology that are more pronounced in those who carry APOE4, such as a-beta accumulation during the presymptomatic phases of the disease,” they said.

The study findings were limited by the variable age and diagnoses across the multiple cohorts, but strengthened by the meta- and mega-analyses and sensitivity analyses that yielded consistent results, the researchers noted.

“Our work paves the way for biological validation studies to elucidate the molecular pathways by which KL-VS and APOE interact,” they said.

“The specificity of KL-VS benefits on AD in individuals who carry APOE4 is striking and suggests a yet-unstudied interaction between biological pathways of the klotho and APOE4 proteins,” wrote Dena B. Dubal, MD, and Jennifer S. Yokoyama, PhD, of the University of California, San Francisco, in an accompanying editorial. Despite limitations, the study findings have implications for clinical neurology, as well as clinical and translational research, they said.

“For personalized genomics, KL-VS status should integrate into knowledge that both lifestyle and genetics can negate or at least mitigate harmful influences of APOE4,” they noted. “In light of this, we might consider an individual’s KLOTHO genotype when counseling individuals who carry APOE4 about their prognosis for AD. In clinical trials using APOE4 for trial enrichment, further selection of individuals who carry APOE4 without KL-VS could define a population more likely to convert to AD and thus increase detection of a therapeutic benefit. In translational research, understanding how klotho itself or its biological pathways may counter APOE4 could lead to monumental progress in the future treatment of AD,” they added.

“Applying our growing knowledge of klotho to APOE4 and AD could ultimately pave the path to novel therapeutics for individuals who carry APOE4,” they concluded.

The study was supported by the Iqbal Farrukh & Asad Jamal Center for Cognitive Health in Aging, the South Palm Beach County Foundation, and the National Institutes of Health. The researchers had no financial conflicts to disclose. Dr. Dubal disclosed holding a patent for Methods for Improving Cognition that includes klotho, as well as consulting for Unity Biotechnology and receiving research funding from the National Institutes of Health, the American Federation for Aging Research, Glenn Medical Foundation, Unity Biotechnology, and other philanthropic support for translational research. Dr. Yokoyama disclosed research funding from the National Institutes of Health, the Department of Defense, and other foundations and philanthropic donors.

SOURCE: Belloy ME et al. JAMA Neurol. 2020 Apr 13. doi: 10.1001/jamaneurol.2020.0414.

Cognitively normal carriers of the apolipoprotein E epsilon-4 (APOE4) allele aged 60 years and older who also showed heterozygosity for the Klotho-VS allele had a significantly reduced risk of developing Alzheimer’s disease, according to data from 22 research groups including more than 20,000 adults.

The transmembrane protein known as klotho (KL) is part of a functional haplotype known as KL-VS. “Specifically, heterozygosity for KL-VS (KL-VSHET+ status) has been shown to increase serum levels of KL and exert protective effects on healthy aging and longevity when compared with individuals who are homozygotes for the major or minor alleles (KL-VSHET−),” wrote Michael E. Belloy, PhD, of Stanford (Calif.) University and colleagues. However, the possible role of KL-VS in protecting against neurodegenerative disorders such as Alzheimer’s disease (AD) remains unclear, they said.

In a study published in JAMA Neurology, the researchers reviewed data from 20,928 participants in case-control studies, as well as 3,008 participants in conversion studies, 556 in amyloid-beta (a-beta) cerebrospinal fluid regression analyses, and 251 in brain amyloid PET regression analyses. The participants were aged 60-80 years, and of non-Hispanic northern European ancestry and were identified as cognitively normal or having mild cognitive impairment (MCI) or AD.

Overall, individuals with the APOE4 allele who were cognitively normal and heterozygous for KL-VS had a significantly reduced risk for developing AD (odds ratio, 0.75).

In addition, cognitively normal carriers of APOE4 with KL-VS heterozygosity had significantly lower risk of developing either MCI or AD (hazard ratio, 0.64). Also, those persons with APOE4 and positive KL-VS heterozygosity had higher a-beta in cerebrospinal fluid (P = .03) and lower a-beta on PET scans (P = .04). However, no association with cognitive outcomes were noted among APOE4 noncarriers, the researchers noted.

“This suggests that KL-VS interacts with aspects of AD pathology that are more pronounced in those who carry APOE4, such as a-beta accumulation during the presymptomatic phases of the disease,” they said.

The study findings were limited by the variable age and diagnoses across the multiple cohorts, but strengthened by the meta- and mega-analyses and sensitivity analyses that yielded consistent results, the researchers noted.

“Our work paves the way for biological validation studies to elucidate the molecular pathways by which KL-VS and APOE interact,” they said.

“The specificity of KL-VS benefits on AD in individuals who carry APOE4 is striking and suggests a yet-unstudied interaction between biological pathways of the klotho and APOE4 proteins,” wrote Dena B. Dubal, MD, and Jennifer S. Yokoyama, PhD, of the University of California, San Francisco, in an accompanying editorial. Despite limitations, the study findings have implications for clinical neurology, as well as clinical and translational research, they said.

“For personalized genomics, KL-VS status should integrate into knowledge that both lifestyle and genetics can negate or at least mitigate harmful influences of APOE4,” they noted. “In light of this, we might consider an individual’s KLOTHO genotype when counseling individuals who carry APOE4 about their prognosis for AD. In clinical trials using APOE4 for trial enrichment, further selection of individuals who carry APOE4 without KL-VS could define a population more likely to convert to AD and thus increase detection of a therapeutic benefit. In translational research, understanding how klotho itself or its biological pathways may counter APOE4 could lead to monumental progress in the future treatment of AD,” they added.

“Applying our growing knowledge of klotho to APOE4 and AD could ultimately pave the path to novel therapeutics for individuals who carry APOE4,” they concluded.

The study was supported by the Iqbal Farrukh & Asad Jamal Center for Cognitive Health in Aging, the South Palm Beach County Foundation, and the National Institutes of Health. The researchers had no financial conflicts to disclose. Dr. Dubal disclosed holding a patent for Methods for Improving Cognition that includes klotho, as well as consulting for Unity Biotechnology and receiving research funding from the National Institutes of Health, the American Federation for Aging Research, Glenn Medical Foundation, Unity Biotechnology, and other philanthropic support for translational research. Dr. Yokoyama disclosed research funding from the National Institutes of Health, the Department of Defense, and other foundations and philanthropic donors.

SOURCE: Belloy ME et al. JAMA Neurol. 2020 Apr 13. doi: 10.1001/jamaneurol.2020.0414.

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FROM JAMA NEUROLOGY

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Use of diabetes technology is lower among black, Hispanic patients

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A retrospective study of patients at a minority-serving, safety-net hospital showed low uptake of diabetes technology among black patients with type 1 diabetes, compared with their white counterparts.

Dr. Kamonkiat Wirunsawanya

The researchers also found lower usage of the technology among Hispanic patients, but the difference, compared with their white counterparts, was not statistically significant after adjustments for language, insurance, age, and income. Patients who identified as “other” also were less likely than white patients to use the technology, which included continuous glucose monitors and continuous subcutaneous insulin infusion devices.

The data differes from other, similar studies of technology use in patients with type 1 diabetes, because the study population, drawn from the Boston University Medical Center, was more diverse than other studies, according to Kamonkiat Wirunsawanya, who is an endocrinology fellow at the medical center. The abstract had been slated for presentation at ENDO 2020, the Endocrine Society's annual meeting, which was canceled because of the COVID-19 pandemic.

Dr. Wirunsawanya and his colleagues are now using questionnaires to try to identify specific patient and physician factors that might explain the differences in technology use.

“Once we know which factors could be a barrier to using the technology, we’ll be able to implement a strategy to increase use in those patients,” Dr. Wirunsawanya said in an interview. The issue could be a two-way street, he noted, because some providers may be uncomfortable using the technology, or may perceive minorities as less adept at using technology.

The study included 227 adult patients who were seen at the medical center between October 2016 and September 2017. The mean age was 39 years, and 59% were men. The mean duration of type 1 diabetes was 21 years, and 30% of the patients were overweight, 22% were obese, 80% spoke English, and 50% were on government insurance. In all, 43% of the patients were white, 25% were black, 15% were Hispanic, 2% were Asian, and 15% identified as other.

Patients who used technology had lower mean levels of hemoglobin A1c, compared with nonusers (8.27% vs. 9.49%, respectively). Those with government health insurance were less likely than those with private insurance to use technology (odds ratio, 0.43; 95% confidential interval, 0.25-0.74).

Overall, 26% of the patients used continuous subcutaneous insulin infusion devices. Of those, 43% were white, 10% black, 14% Hispanic, none were Asian, and 18% identified as other.

In addition, 30% of the patients used continuous glucose monitors; of those, 47% were white, 14% black, 23% Hispanic, 25% Asian, and none identified as other.

After adjustments for insurance and language, the researchers found that black patients were less likely to use technology than were the white patients (OR, 0.25; 95% CI, 0.11-0.53). The same was found for those who identified as other (OR, 0.33; 95% CI, 0.12-0.89). There was no significant differences in technology use between white and Asian patients. After adjustments, the researchers showed that fewer Hispanic patients used technology, compared with their white counterparts, but the difference was not statistically significant.

In a multivariable logistic regression model that adjusted for insurance and language, black patients had lower odds of using technology, compared with white patients (OR, 0.25; 95% CI, 0.11-0.53), as did those identifying as other (OR, 0.33; 95% CI, 0.12-0.89).

Dr. Anne Peters

In an interview, Anne Peters, MD, director of clinical diabetes programs at the University of Southern California, Los Angeles, said that the study highlights a common problem with introducing technology to underserved populations. “These study [findings are] not at all surprising. It’s something that is a puzzle for those of us who work in the field of diabetes management in patients from underserved communities. Even if you can get access to the technology, even when I get them tools and native Spanish-speaking educators and people who should be able to teach them how to use the technology, the adoption of the technology has been really much less than would be expected,” said Dr. Peters, who is also a professor of medicine at USC and was not involved in the research.

Part of the problem may be lack of contact with health care services, she said. White children with type 1 diabetes are treated from an early age and learn how to manage daily blood sugar levels. They often grow up to embrace technology, even enthusiastically. But in some minority communities, diabetes is viewed as something to be hidden away. That cultural difference is also a frustrating barrier.

“What happens in more affluent groups is that people learn from their peers, and they see that [managing their blood sugar] is possible. One of my big beliefs is that the answer has to come from [the community]. ... We need to get champions, people from the community who use these tools, to encourage others, and that’s hard to do because type 1 diabetes is such a small subset of the people with diabetes who are [black] or Latino,” said Dr. Peters.

Ultimately, the solution will require a shift in messaging by finding a way to help communities look differently at diabetes and its treatment. “There’s something that must come educationally and culturally that I’ve not figured out [yet]. I can get resources and fight for them, but we have to figure out how to make [technology] part of that culture, and I don’t know that we’ve done that,” she said.

Dr. Wirunsawanya reported no financial conflicts of interest. Dr. Peters has been on an advisory panel for Abbott Diabetes Care and has received research funding from Dexcom.

Dr. Wirunsawanya and colleagues’ research will be published in a special supplemental issue of the Journal of the Endocrine Society. In addition to a series of news conferences on March 30-31, the society will host ENDO Online 2020 during June 8-22, which will present programming for clinicians and researchers.

SOURCE: Wirunsawanya K et al. ENDO 2020, Abstract OR30-03.

This article was updated on 4/17/2020.

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A retrospective study of patients at a minority-serving, safety-net hospital showed low uptake of diabetes technology among black patients with type 1 diabetes, compared with their white counterparts.

Dr. Kamonkiat Wirunsawanya

The researchers also found lower usage of the technology among Hispanic patients, but the difference, compared with their white counterparts, was not statistically significant after adjustments for language, insurance, age, and income. Patients who identified as “other” also were less likely than white patients to use the technology, which included continuous glucose monitors and continuous subcutaneous insulin infusion devices.

The data differes from other, similar studies of technology use in patients with type 1 diabetes, because the study population, drawn from the Boston University Medical Center, was more diverse than other studies, according to Kamonkiat Wirunsawanya, who is an endocrinology fellow at the medical center. The abstract had been slated for presentation at ENDO 2020, the Endocrine Society's annual meeting, which was canceled because of the COVID-19 pandemic.

Dr. Wirunsawanya and his colleagues are now using questionnaires to try to identify specific patient and physician factors that might explain the differences in technology use.

“Once we know which factors could be a barrier to using the technology, we’ll be able to implement a strategy to increase use in those patients,” Dr. Wirunsawanya said in an interview. The issue could be a two-way street, he noted, because some providers may be uncomfortable using the technology, or may perceive minorities as less adept at using technology.

The study included 227 adult patients who were seen at the medical center between October 2016 and September 2017. The mean age was 39 years, and 59% were men. The mean duration of type 1 diabetes was 21 years, and 30% of the patients were overweight, 22% were obese, 80% spoke English, and 50% were on government insurance. In all, 43% of the patients were white, 25% were black, 15% were Hispanic, 2% were Asian, and 15% identified as other.

Patients who used technology had lower mean levels of hemoglobin A1c, compared with nonusers (8.27% vs. 9.49%, respectively). Those with government health insurance were less likely than those with private insurance to use technology (odds ratio, 0.43; 95% confidential interval, 0.25-0.74).

Overall, 26% of the patients used continuous subcutaneous insulin infusion devices. Of those, 43% were white, 10% black, 14% Hispanic, none were Asian, and 18% identified as other.

In addition, 30% of the patients used continuous glucose monitors; of those, 47% were white, 14% black, 23% Hispanic, 25% Asian, and none identified as other.

After adjustments for insurance and language, the researchers found that black patients were less likely to use technology than were the white patients (OR, 0.25; 95% CI, 0.11-0.53). The same was found for those who identified as other (OR, 0.33; 95% CI, 0.12-0.89). There was no significant differences in technology use between white and Asian patients. After adjustments, the researchers showed that fewer Hispanic patients used technology, compared with their white counterparts, but the difference was not statistically significant.

In a multivariable logistic regression model that adjusted for insurance and language, black patients had lower odds of using technology, compared with white patients (OR, 0.25; 95% CI, 0.11-0.53), as did those identifying as other (OR, 0.33; 95% CI, 0.12-0.89).

Dr. Anne Peters

In an interview, Anne Peters, MD, director of clinical diabetes programs at the University of Southern California, Los Angeles, said that the study highlights a common problem with introducing technology to underserved populations. “These study [findings are] not at all surprising. It’s something that is a puzzle for those of us who work in the field of diabetes management in patients from underserved communities. Even if you can get access to the technology, even when I get them tools and native Spanish-speaking educators and people who should be able to teach them how to use the technology, the adoption of the technology has been really much less than would be expected,” said Dr. Peters, who is also a professor of medicine at USC and was not involved in the research.

Part of the problem may be lack of contact with health care services, she said. White children with type 1 diabetes are treated from an early age and learn how to manage daily blood sugar levels. They often grow up to embrace technology, even enthusiastically. But in some minority communities, diabetes is viewed as something to be hidden away. That cultural difference is also a frustrating barrier.

“What happens in more affluent groups is that people learn from their peers, and they see that [managing their blood sugar] is possible. One of my big beliefs is that the answer has to come from [the community]. ... We need to get champions, people from the community who use these tools, to encourage others, and that’s hard to do because type 1 diabetes is such a small subset of the people with diabetes who are [black] or Latino,” said Dr. Peters.

Ultimately, the solution will require a shift in messaging by finding a way to help communities look differently at diabetes and its treatment. “There’s something that must come educationally and culturally that I’ve not figured out [yet]. I can get resources and fight for them, but we have to figure out how to make [technology] part of that culture, and I don’t know that we’ve done that,” she said.

Dr. Wirunsawanya reported no financial conflicts of interest. Dr. Peters has been on an advisory panel for Abbott Diabetes Care and has received research funding from Dexcom.

Dr. Wirunsawanya and colleagues’ research will be published in a special supplemental issue of the Journal of the Endocrine Society. In addition to a series of news conferences on March 30-31, the society will host ENDO Online 2020 during June 8-22, which will present programming for clinicians and researchers.

SOURCE: Wirunsawanya K et al. ENDO 2020, Abstract OR30-03.

This article was updated on 4/17/2020.

A retrospective study of patients at a minority-serving, safety-net hospital showed low uptake of diabetes technology among black patients with type 1 diabetes, compared with their white counterparts.

Dr. Kamonkiat Wirunsawanya

The researchers also found lower usage of the technology among Hispanic patients, but the difference, compared with their white counterparts, was not statistically significant after adjustments for language, insurance, age, and income. Patients who identified as “other” also were less likely than white patients to use the technology, which included continuous glucose monitors and continuous subcutaneous insulin infusion devices.

The data differes from other, similar studies of technology use in patients with type 1 diabetes, because the study population, drawn from the Boston University Medical Center, was more diverse than other studies, according to Kamonkiat Wirunsawanya, who is an endocrinology fellow at the medical center. The abstract had been slated for presentation at ENDO 2020, the Endocrine Society's annual meeting, which was canceled because of the COVID-19 pandemic.

Dr. Wirunsawanya and his colleagues are now using questionnaires to try to identify specific patient and physician factors that might explain the differences in technology use.

“Once we know which factors could be a barrier to using the technology, we’ll be able to implement a strategy to increase use in those patients,” Dr. Wirunsawanya said in an interview. The issue could be a two-way street, he noted, because some providers may be uncomfortable using the technology, or may perceive minorities as less adept at using technology.

The study included 227 adult patients who were seen at the medical center between October 2016 and September 2017. The mean age was 39 years, and 59% were men. The mean duration of type 1 diabetes was 21 years, and 30% of the patients were overweight, 22% were obese, 80% spoke English, and 50% were on government insurance. In all, 43% of the patients were white, 25% were black, 15% were Hispanic, 2% were Asian, and 15% identified as other.

Patients who used technology had lower mean levels of hemoglobin A1c, compared with nonusers (8.27% vs. 9.49%, respectively). Those with government health insurance were less likely than those with private insurance to use technology (odds ratio, 0.43; 95% confidential interval, 0.25-0.74).

Overall, 26% of the patients used continuous subcutaneous insulin infusion devices. Of those, 43% were white, 10% black, 14% Hispanic, none were Asian, and 18% identified as other.

In addition, 30% of the patients used continuous glucose monitors; of those, 47% were white, 14% black, 23% Hispanic, 25% Asian, and none identified as other.

After adjustments for insurance and language, the researchers found that black patients were less likely to use technology than were the white patients (OR, 0.25; 95% CI, 0.11-0.53). The same was found for those who identified as other (OR, 0.33; 95% CI, 0.12-0.89). There was no significant differences in technology use between white and Asian patients. After adjustments, the researchers showed that fewer Hispanic patients used technology, compared with their white counterparts, but the difference was not statistically significant.

In a multivariable logistic regression model that adjusted for insurance and language, black patients had lower odds of using technology, compared with white patients (OR, 0.25; 95% CI, 0.11-0.53), as did those identifying as other (OR, 0.33; 95% CI, 0.12-0.89).

Dr. Anne Peters

In an interview, Anne Peters, MD, director of clinical diabetes programs at the University of Southern California, Los Angeles, said that the study highlights a common problem with introducing technology to underserved populations. “These study [findings are] not at all surprising. It’s something that is a puzzle for those of us who work in the field of diabetes management in patients from underserved communities. Even if you can get access to the technology, even when I get them tools and native Spanish-speaking educators and people who should be able to teach them how to use the technology, the adoption of the technology has been really much less than would be expected,” said Dr. Peters, who is also a professor of medicine at USC and was not involved in the research.

Part of the problem may be lack of contact with health care services, she said. White children with type 1 diabetes are treated from an early age and learn how to manage daily blood sugar levels. They often grow up to embrace technology, even enthusiastically. But in some minority communities, diabetes is viewed as something to be hidden away. That cultural difference is also a frustrating barrier.

“What happens in more affluent groups is that people learn from their peers, and they see that [managing their blood sugar] is possible. One of my big beliefs is that the answer has to come from [the community]. ... We need to get champions, people from the community who use these tools, to encourage others, and that’s hard to do because type 1 diabetes is such a small subset of the people with diabetes who are [black] or Latino,” said Dr. Peters.

Ultimately, the solution will require a shift in messaging by finding a way to help communities look differently at diabetes and its treatment. “There’s something that must come educationally and culturally that I’ve not figured out [yet]. I can get resources and fight for them, but we have to figure out how to make [technology] part of that culture, and I don’t know that we’ve done that,” she said.

Dr. Wirunsawanya reported no financial conflicts of interest. Dr. Peters has been on an advisory panel for Abbott Diabetes Care and has received research funding from Dexcom.

Dr. Wirunsawanya and colleagues’ research will be published in a special supplemental issue of the Journal of the Endocrine Society. In addition to a series of news conferences on March 30-31, the society will host ENDO Online 2020 during June 8-22, which will present programming for clinicians and researchers.

SOURCE: Wirunsawanya K et al. ENDO 2020, Abstract OR30-03.

This article was updated on 4/17/2020.

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A framework for a COVID-19 Person Under Investigation unit

The current coronavirus disease 2019 (COVID-19) pandemic shocked the world with its rapid spread despite stringent containment efforts, and it continues to wreak havoc. The surrounding uncertainty due to the novelty of this virus has prompted significant investigation to determine proper containment, treatment, and eradication efforts.1,2 In addition, health care facilities are facing surge capacity issues and a shortage of resources resulting in lower quality care for patients and putting health care workers (HCWs) at risk for infection.3,4

Dr. Padageshwar Sunkara

While there is a lot of emerging clinical and basic science research in this area, there has been inconsistent guidance in regard to the containment and prevention of spread in health care systems. An initiative to minimize HCW exposure risk and to provide the highest quality care to patients was implemented by the Section of Hospital Medicine at our large academic medical center. We used a hospital medicine medical-surgical unit and converted it into a Person Under Investigation (PUI) unit for patients suspected of COVID-19.
 

Unit goals

  • Deliver dedicated, comprehensive, and high-quality care to our PUI patients suspected of COVID-19.
  • Minimize cross contamination with healthy patients on other hospital units.
  • Provide clear and direct communications with our HCWs.
  • Educate HCWs on optimal donning and doffing techniques.
  • Minimize our HCW exposure risk.
  • Efficiently use our personal protective equipment (PPE) supply.

Unit and team characteristics

We used a preexisting 24-bed hospital medicine medical-surgical unit with a dyad rounding model of an attending physician and advanced practice provider (APP). Other team members include a designated care coordinator (social worker/case manager), pharmacist, respiratory therapist, physical/occupational therapist, speech language pathologist, unit medical director, and nurse manager. A daily multidisciplinary huddle with all the team members was held to discuss the care of the PUI patients.

Dr. William C. Lippert

Administrative leadership

A COVID-19 task force composed of the medical director of clinical operations from the Section of Hospital Medicine, infectious disease, infection prevention, and several other important stakeholders conducted a daily conference call. This call allowed for the dissemination of information, including any treatment updates based on literature review or care processes. This information was then relayed to the HCWs following the meeting through the PUI unit medical director and nurse manager, who also facilitated feedback from the HCWs to the COVID-19 task force during the daily conference call. (See Figure 1.)

Courtesy Dr. Sunkara, Dr. Lippert, Dr. Morris, and Dr. Huang
Figure 1. Coronavirus disease 2019 (COVID-19) Person Under Investigation (PUI) Unit communication and feedback loop

Patient flow

Hospital medicine was designated as the default service for all PUI patients suspected of COVID-19 and confirmed COVID-19 cases requiring hospitalization. These patients were admitted to this PUI unit directly from the emergency department (ED), or as transfers from outside institutions with assistance from our patient placement specialist team. Those patients admitted from our ED were tested for COVID-19 prior to arriving on the unit. Other suspected COVID-19 patients arriving as transfers from outside institutions were screened by the patient placement specialist team asking the following questions about the patient:

 

 

  • “Has the patient had a fever or cough and been in contact with a laboratory-confirmed COVID-19 patient?”
  • “Has the patient had a fever and cough?”

If the answer to either screening question was “yes,” then the patient was accepted to the PUI unit and tested upon arrival. Lastly, patients who were found to be COVID-19 positive at the outside institution, but who required transfer for other clinical reasons, were placed on this PUI unit as well.

Dr. Christopher Morris

 

Mechanisms to efficiently utilize PPE and mitigate HCW exposure risk

Our objectives are reducing the number of HCWs encountering PUI patients, reducing the number of encounters the HCWs have with PUI patients, and reducing the amount of time HCWs spent with PUI patients.

First, we maintained a log outside each patient’s room to track the details of staff encounters. Second, there was only one medical provider (either the attending physician or APP) assigned to each patient to limit personnel exposure. Third, we removed all learners (e.g. residents and students) from this unit. Fourth, we limited the number of entries into patient rooms to only critical staff directly involved in patient care (e.g. dietary and other ancillary staff were not allowed to enter the rooms) and provided updates to the patients by calling into the rooms. In addition, care coordination, pharmacy, and other staff members also utilized the same approach of calling into the room to speak with the patient regarding updates to minimize the duration of time spent in the room. Furthermore, our medical providers – with the help of the pharmacist and nursing – timed a patient’s medications to help reduce the number of entries into the room.

Dr. Chi-Cheng Huang


The medical providers also eliminated any unnecessary blood draws, imaging, and other procedures to minimize the number of encounters our HCWs had with the PUI. Lastly, the medical providers also avoided using any nebulizer treatments and noninvasive positive pressure ventilation to reduce any aerosol transmission of the virus. These measures not only helped to minimize our HCWs exposures, but also helped with the preservation of PPE.

Other efforts involved collaboration with infection prevention. They assisted with the training of our HCWs on proper PPE donning and doffing skills. This included watching a video and having an infection prevention specialist guide the HCWs throughout the entire process. We felt this was vital given the high amount of active failures with PPE use (up to 87%) reported in the literature.5 Furthermore, to ensure adequate mastery of these skills, infection prevention performed daily direct observation checks and provided real-time feedback to our HCWs.
 

Other things to consider for your PUI unit

There are several ideas that were not implemented in our PUI unit, but something to consider for your PUI unit, including:

 

  • The use of elongated intravenous (IV) tubing, such that the IV poles and pumps were stationed outside the patient’s room, would be useful in reducing the amount of PPE required as well as HCW exposure to the patient.
  • Having designated chest radiography, computed tomography, and magnetic resonance imaging scanners for these PUI patients to help minimize contamination with our non-PUI patients and to standardize the cleaning process.
  • Supply our HCWs with designated scrubs at the beginning of their shifts, such that they can discard them at the end of their shifts for decontamination/sterilization purposes. This would help reduce HCWs fear of potentially exposing their families at home.
  • Supply our HCWs with a designated place to stay, such as a hotel or other living quarters, to reduce HCWs fear of potentially exposing their families at home.
  • Although we encouraged providers and staff to utilize designated phones to conduct patient history and review of systems information-gathering, to decrease the time spent in the room, the availability of more sophisticated audiovisual equipment could also improve the quality of the interview.

Conclusions

The increasing incidence in suspected COVID-19 patients has led to significant strain on health care systems of the world along with the associated economic and social crisis. Some health care facilities are facing surge capacity issues and inadequate resources, while others are facing a humanitarian crisis. Overall, we are all being affected by this pandemic, but are most concerned about its effects on our HCWs and our patients.

To address the concerns of low-quality care to our patients and anxiety levels among HCWs, we created this dedicated PUI unit in an effort to provide high-quality care for these suspected (and confirmed) COVID-19 patients and to maintain clear direct and constant communication with our HCWs.
 

Dr. Sunkara (psunkara@wakehealth.edu) is assistant professor of internal medicine at Wake Forest School of Medicine, Winston-Salem, N.C. He is the medical director for Hospital Medicine Units and the newly established PUI Unit, and is the corresponding author for this article. Dr. Lippert (wlippert@wakehealth.edu) is assistant professor of internal medicine at Wake Forest School of Medicine. Dr. Morris (chrmorri@wakehealth.edu) is a PGY-3 internal medicine resident at Wake Forest School of Medicine. Dr. Huang (chuang@wakehealth.edu) is associate professor of internal medicine at Wake Forest School of Medicine.

References

1. Food and Drug Administration. Recommendations for investigational COVID-19 convalescent plasma. 2020 Apr 8.

2. Fauci AS et al. Covid-19 – Navigating the uncharted. N Engl J Med. 2020 Feb 28. doi: 10.1056/NEJMe2002387. 3. Emanuel EJ et al. Fair allocation of scarce medical resources in the time of Covid-19. N Engl J Med. 2020 Mar 23. doi: 10.1056/NEJMsb2005114.

4. Li Ran et al. Risk factors of healthcare workers with corona virus disease 2019: A retrospective cohort study in a designated hospital of Wuhan in China. Clin Infect Dis. 2020 Mar 17. doi: 10.1093/cid/ciaa287.

5. Krein SL et al. Identification and characterization of failures in infectious agent transmission precaution practices in hospitals: A qualitative study. JAMA Intern Med. 2018;178(8):1016-57. doi: 10.1001/jamainternmed.2018.1898.

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A framework for a COVID-19 Person Under Investigation unit

A framework for a COVID-19 Person Under Investigation unit

The current coronavirus disease 2019 (COVID-19) pandemic shocked the world with its rapid spread despite stringent containment efforts, and it continues to wreak havoc. The surrounding uncertainty due to the novelty of this virus has prompted significant investigation to determine proper containment, treatment, and eradication efforts.1,2 In addition, health care facilities are facing surge capacity issues and a shortage of resources resulting in lower quality care for patients and putting health care workers (HCWs) at risk for infection.3,4

Dr. Padageshwar Sunkara

While there is a lot of emerging clinical and basic science research in this area, there has been inconsistent guidance in regard to the containment and prevention of spread in health care systems. An initiative to minimize HCW exposure risk and to provide the highest quality care to patients was implemented by the Section of Hospital Medicine at our large academic medical center. We used a hospital medicine medical-surgical unit and converted it into a Person Under Investigation (PUI) unit for patients suspected of COVID-19.
 

Unit goals

  • Deliver dedicated, comprehensive, and high-quality care to our PUI patients suspected of COVID-19.
  • Minimize cross contamination with healthy patients on other hospital units.
  • Provide clear and direct communications with our HCWs.
  • Educate HCWs on optimal donning and doffing techniques.
  • Minimize our HCW exposure risk.
  • Efficiently use our personal protective equipment (PPE) supply.

Unit and team characteristics

We used a preexisting 24-bed hospital medicine medical-surgical unit with a dyad rounding model of an attending physician and advanced practice provider (APP). Other team members include a designated care coordinator (social worker/case manager), pharmacist, respiratory therapist, physical/occupational therapist, speech language pathologist, unit medical director, and nurse manager. A daily multidisciplinary huddle with all the team members was held to discuss the care of the PUI patients.

Dr. William C. Lippert

Administrative leadership

A COVID-19 task force composed of the medical director of clinical operations from the Section of Hospital Medicine, infectious disease, infection prevention, and several other important stakeholders conducted a daily conference call. This call allowed for the dissemination of information, including any treatment updates based on literature review or care processes. This information was then relayed to the HCWs following the meeting through the PUI unit medical director and nurse manager, who also facilitated feedback from the HCWs to the COVID-19 task force during the daily conference call. (See Figure 1.)

Courtesy Dr. Sunkara, Dr. Lippert, Dr. Morris, and Dr. Huang
Figure 1. Coronavirus disease 2019 (COVID-19) Person Under Investigation (PUI) Unit communication and feedback loop

Patient flow

Hospital medicine was designated as the default service for all PUI patients suspected of COVID-19 and confirmed COVID-19 cases requiring hospitalization. These patients were admitted to this PUI unit directly from the emergency department (ED), or as transfers from outside institutions with assistance from our patient placement specialist team. Those patients admitted from our ED were tested for COVID-19 prior to arriving on the unit. Other suspected COVID-19 patients arriving as transfers from outside institutions were screened by the patient placement specialist team asking the following questions about the patient:

 

 

  • “Has the patient had a fever or cough and been in contact with a laboratory-confirmed COVID-19 patient?”
  • “Has the patient had a fever and cough?”

If the answer to either screening question was “yes,” then the patient was accepted to the PUI unit and tested upon arrival. Lastly, patients who were found to be COVID-19 positive at the outside institution, but who required transfer for other clinical reasons, were placed on this PUI unit as well.

Dr. Christopher Morris

 

Mechanisms to efficiently utilize PPE and mitigate HCW exposure risk

Our objectives are reducing the number of HCWs encountering PUI patients, reducing the number of encounters the HCWs have with PUI patients, and reducing the amount of time HCWs spent with PUI patients.

First, we maintained a log outside each patient’s room to track the details of staff encounters. Second, there was only one medical provider (either the attending physician or APP) assigned to each patient to limit personnel exposure. Third, we removed all learners (e.g. residents and students) from this unit. Fourth, we limited the number of entries into patient rooms to only critical staff directly involved in patient care (e.g. dietary and other ancillary staff were not allowed to enter the rooms) and provided updates to the patients by calling into the rooms. In addition, care coordination, pharmacy, and other staff members also utilized the same approach of calling into the room to speak with the patient regarding updates to minimize the duration of time spent in the room. Furthermore, our medical providers – with the help of the pharmacist and nursing – timed a patient’s medications to help reduce the number of entries into the room.

Dr. Chi-Cheng Huang


The medical providers also eliminated any unnecessary blood draws, imaging, and other procedures to minimize the number of encounters our HCWs had with the PUI. Lastly, the medical providers also avoided using any nebulizer treatments and noninvasive positive pressure ventilation to reduce any aerosol transmission of the virus. These measures not only helped to minimize our HCWs exposures, but also helped with the preservation of PPE.

Other efforts involved collaboration with infection prevention. They assisted with the training of our HCWs on proper PPE donning and doffing skills. This included watching a video and having an infection prevention specialist guide the HCWs throughout the entire process. We felt this was vital given the high amount of active failures with PPE use (up to 87%) reported in the literature.5 Furthermore, to ensure adequate mastery of these skills, infection prevention performed daily direct observation checks and provided real-time feedback to our HCWs.
 

Other things to consider for your PUI unit

There are several ideas that were not implemented in our PUI unit, but something to consider for your PUI unit, including:

 

  • The use of elongated intravenous (IV) tubing, such that the IV poles and pumps were stationed outside the patient’s room, would be useful in reducing the amount of PPE required as well as HCW exposure to the patient.
  • Having designated chest radiography, computed tomography, and magnetic resonance imaging scanners for these PUI patients to help minimize contamination with our non-PUI patients and to standardize the cleaning process.
  • Supply our HCWs with designated scrubs at the beginning of their shifts, such that they can discard them at the end of their shifts for decontamination/sterilization purposes. This would help reduce HCWs fear of potentially exposing their families at home.
  • Supply our HCWs with a designated place to stay, such as a hotel or other living quarters, to reduce HCWs fear of potentially exposing their families at home.
  • Although we encouraged providers and staff to utilize designated phones to conduct patient history and review of systems information-gathering, to decrease the time spent in the room, the availability of more sophisticated audiovisual equipment could also improve the quality of the interview.

Conclusions

The increasing incidence in suspected COVID-19 patients has led to significant strain on health care systems of the world along with the associated economic and social crisis. Some health care facilities are facing surge capacity issues and inadequate resources, while others are facing a humanitarian crisis. Overall, we are all being affected by this pandemic, but are most concerned about its effects on our HCWs and our patients.

To address the concerns of low-quality care to our patients and anxiety levels among HCWs, we created this dedicated PUI unit in an effort to provide high-quality care for these suspected (and confirmed) COVID-19 patients and to maintain clear direct and constant communication with our HCWs.
 

Dr. Sunkara (psunkara@wakehealth.edu) is assistant professor of internal medicine at Wake Forest School of Medicine, Winston-Salem, N.C. He is the medical director for Hospital Medicine Units and the newly established PUI Unit, and is the corresponding author for this article. Dr. Lippert (wlippert@wakehealth.edu) is assistant professor of internal medicine at Wake Forest School of Medicine. Dr. Morris (chrmorri@wakehealth.edu) is a PGY-3 internal medicine resident at Wake Forest School of Medicine. Dr. Huang (chuang@wakehealth.edu) is associate professor of internal medicine at Wake Forest School of Medicine.

References

1. Food and Drug Administration. Recommendations for investigational COVID-19 convalescent plasma. 2020 Apr 8.

2. Fauci AS et al. Covid-19 – Navigating the uncharted. N Engl J Med. 2020 Feb 28. doi: 10.1056/NEJMe2002387. 3. Emanuel EJ et al. Fair allocation of scarce medical resources in the time of Covid-19. N Engl J Med. 2020 Mar 23. doi: 10.1056/NEJMsb2005114.

4. Li Ran et al. Risk factors of healthcare workers with corona virus disease 2019: A retrospective cohort study in a designated hospital of Wuhan in China. Clin Infect Dis. 2020 Mar 17. doi: 10.1093/cid/ciaa287.

5. Krein SL et al. Identification and characterization of failures in infectious agent transmission precaution practices in hospitals: A qualitative study. JAMA Intern Med. 2018;178(8):1016-57. doi: 10.1001/jamainternmed.2018.1898.

The current coronavirus disease 2019 (COVID-19) pandemic shocked the world with its rapid spread despite stringent containment efforts, and it continues to wreak havoc. The surrounding uncertainty due to the novelty of this virus has prompted significant investigation to determine proper containment, treatment, and eradication efforts.1,2 In addition, health care facilities are facing surge capacity issues and a shortage of resources resulting in lower quality care for patients and putting health care workers (HCWs) at risk for infection.3,4

Dr. Padageshwar Sunkara

While there is a lot of emerging clinical and basic science research in this area, there has been inconsistent guidance in regard to the containment and prevention of spread in health care systems. An initiative to minimize HCW exposure risk and to provide the highest quality care to patients was implemented by the Section of Hospital Medicine at our large academic medical center. We used a hospital medicine medical-surgical unit and converted it into a Person Under Investigation (PUI) unit for patients suspected of COVID-19.
 

Unit goals

  • Deliver dedicated, comprehensive, and high-quality care to our PUI patients suspected of COVID-19.
  • Minimize cross contamination with healthy patients on other hospital units.
  • Provide clear and direct communications with our HCWs.
  • Educate HCWs on optimal donning and doffing techniques.
  • Minimize our HCW exposure risk.
  • Efficiently use our personal protective equipment (PPE) supply.

Unit and team characteristics

We used a preexisting 24-bed hospital medicine medical-surgical unit with a dyad rounding model of an attending physician and advanced practice provider (APP). Other team members include a designated care coordinator (social worker/case manager), pharmacist, respiratory therapist, physical/occupational therapist, speech language pathologist, unit medical director, and nurse manager. A daily multidisciplinary huddle with all the team members was held to discuss the care of the PUI patients.

Dr. William C. Lippert

Administrative leadership

A COVID-19 task force composed of the medical director of clinical operations from the Section of Hospital Medicine, infectious disease, infection prevention, and several other important stakeholders conducted a daily conference call. This call allowed for the dissemination of information, including any treatment updates based on literature review or care processes. This information was then relayed to the HCWs following the meeting through the PUI unit medical director and nurse manager, who also facilitated feedback from the HCWs to the COVID-19 task force during the daily conference call. (See Figure 1.)

Courtesy Dr. Sunkara, Dr. Lippert, Dr. Morris, and Dr. Huang
Figure 1. Coronavirus disease 2019 (COVID-19) Person Under Investigation (PUI) Unit communication and feedback loop

Patient flow

Hospital medicine was designated as the default service for all PUI patients suspected of COVID-19 and confirmed COVID-19 cases requiring hospitalization. These patients were admitted to this PUI unit directly from the emergency department (ED), or as transfers from outside institutions with assistance from our patient placement specialist team. Those patients admitted from our ED were tested for COVID-19 prior to arriving on the unit. Other suspected COVID-19 patients arriving as transfers from outside institutions were screened by the patient placement specialist team asking the following questions about the patient:

 

 

  • “Has the patient had a fever or cough and been in contact with a laboratory-confirmed COVID-19 patient?”
  • “Has the patient had a fever and cough?”

If the answer to either screening question was “yes,” then the patient was accepted to the PUI unit and tested upon arrival. Lastly, patients who were found to be COVID-19 positive at the outside institution, but who required transfer for other clinical reasons, were placed on this PUI unit as well.

Dr. Christopher Morris

 

Mechanisms to efficiently utilize PPE and mitigate HCW exposure risk

Our objectives are reducing the number of HCWs encountering PUI patients, reducing the number of encounters the HCWs have with PUI patients, and reducing the amount of time HCWs spent with PUI patients.

First, we maintained a log outside each patient’s room to track the details of staff encounters. Second, there was only one medical provider (either the attending physician or APP) assigned to each patient to limit personnel exposure. Third, we removed all learners (e.g. residents and students) from this unit. Fourth, we limited the number of entries into patient rooms to only critical staff directly involved in patient care (e.g. dietary and other ancillary staff were not allowed to enter the rooms) and provided updates to the patients by calling into the rooms. In addition, care coordination, pharmacy, and other staff members also utilized the same approach of calling into the room to speak with the patient regarding updates to minimize the duration of time spent in the room. Furthermore, our medical providers – with the help of the pharmacist and nursing – timed a patient’s medications to help reduce the number of entries into the room.

Dr. Chi-Cheng Huang


The medical providers also eliminated any unnecessary blood draws, imaging, and other procedures to minimize the number of encounters our HCWs had with the PUI. Lastly, the medical providers also avoided using any nebulizer treatments and noninvasive positive pressure ventilation to reduce any aerosol transmission of the virus. These measures not only helped to minimize our HCWs exposures, but also helped with the preservation of PPE.

Other efforts involved collaboration with infection prevention. They assisted with the training of our HCWs on proper PPE donning and doffing skills. This included watching a video and having an infection prevention specialist guide the HCWs throughout the entire process. We felt this was vital given the high amount of active failures with PPE use (up to 87%) reported in the literature.5 Furthermore, to ensure adequate mastery of these skills, infection prevention performed daily direct observation checks and provided real-time feedback to our HCWs.
 

Other things to consider for your PUI unit

There are several ideas that were not implemented in our PUI unit, but something to consider for your PUI unit, including:

 

  • The use of elongated intravenous (IV) tubing, such that the IV poles and pumps were stationed outside the patient’s room, would be useful in reducing the amount of PPE required as well as HCW exposure to the patient.
  • Having designated chest radiography, computed tomography, and magnetic resonance imaging scanners for these PUI patients to help minimize contamination with our non-PUI patients and to standardize the cleaning process.
  • Supply our HCWs with designated scrubs at the beginning of their shifts, such that they can discard them at the end of their shifts for decontamination/sterilization purposes. This would help reduce HCWs fear of potentially exposing their families at home.
  • Supply our HCWs with a designated place to stay, such as a hotel or other living quarters, to reduce HCWs fear of potentially exposing their families at home.
  • Although we encouraged providers and staff to utilize designated phones to conduct patient history and review of systems information-gathering, to decrease the time spent in the room, the availability of more sophisticated audiovisual equipment could also improve the quality of the interview.

Conclusions

The increasing incidence in suspected COVID-19 patients has led to significant strain on health care systems of the world along with the associated economic and social crisis. Some health care facilities are facing surge capacity issues and inadequate resources, while others are facing a humanitarian crisis. Overall, we are all being affected by this pandemic, but are most concerned about its effects on our HCWs and our patients.

To address the concerns of low-quality care to our patients and anxiety levels among HCWs, we created this dedicated PUI unit in an effort to provide high-quality care for these suspected (and confirmed) COVID-19 patients and to maintain clear direct and constant communication with our HCWs.
 

Dr. Sunkara (psunkara@wakehealth.edu) is assistant professor of internal medicine at Wake Forest School of Medicine, Winston-Salem, N.C. He is the medical director for Hospital Medicine Units and the newly established PUI Unit, and is the corresponding author for this article. Dr. Lippert (wlippert@wakehealth.edu) is assistant professor of internal medicine at Wake Forest School of Medicine. Dr. Morris (chrmorri@wakehealth.edu) is a PGY-3 internal medicine resident at Wake Forest School of Medicine. Dr. Huang (chuang@wakehealth.edu) is associate professor of internal medicine at Wake Forest School of Medicine.

References

1. Food and Drug Administration. Recommendations for investigational COVID-19 convalescent plasma. 2020 Apr 8.

2. Fauci AS et al. Covid-19 – Navigating the uncharted. N Engl J Med. 2020 Feb 28. doi: 10.1056/NEJMe2002387. 3. Emanuel EJ et al. Fair allocation of scarce medical resources in the time of Covid-19. N Engl J Med. 2020 Mar 23. doi: 10.1056/NEJMsb2005114.

4. Li Ran et al. Risk factors of healthcare workers with corona virus disease 2019: A retrospective cohort study in a designated hospital of Wuhan in China. Clin Infect Dis. 2020 Mar 17. doi: 10.1093/cid/ciaa287.

5. Krein SL et al. Identification and characterization of failures in infectious agent transmission precaution practices in hospitals: A qualitative study. JAMA Intern Med. 2018;178(8):1016-57. doi: 10.1001/jamainternmed.2018.1898.

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Coronavirus tests are being fast-tracked by the FDA, but it’s unclear how accurate they are

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Kendra Boroff believes she contracted the coronavirus on her 71st birthday, Feb. 20, when her family went out for a celebratory dinner, perhaps from their waiter, who was coughing into his elbow. Four days later, she developed a fever and a raging sore throat.

“You feel like you’re suffocating,” recalled Boroff, a real estate agent in Maineville, Ohio. “You cough and breathe with the top fourth or maybe less of your chest, because everything else is in a vise.”

Over the course of the next 3 weeks, as Boroff started getting chills and nausea, a series of doctors would suggest that it could be the common cold, bronchitis or pneumonia. She tested negative for the flu, and her chest x-rays showed signs of lung damage, including white patches called “ground-glass opacities” that are common in COVID-19 cases. By March 7, she was pretty sure it was COVID-19, but she couldn’t get a test until she arrived at the emergency room at the University of Cincinnati Health Center on March 19. She had a 103 degree fever and her oxygen levels were plummeting, so the doctors admitted her immediately.

Nearly a week later, as Boroff’s condition was stabilizing, the test results came back: negative.

Boroff was flummoxed, but her physician was clear that she had the virus, no matter what her test said.

“ ‘This is my diagnosis,’ ” she recalled him saying. “ ‘There is no other explanation.’ ”

Tests turning up negative even when all signs point to COVID-19 has been a common experience in American hospitals over the past month, public health experts have told ProPublica. It’s unclear what proportion of these negative results are inaccurate – known as “false negatives” – and whether that’s due to some external factor, like bad sample collection, or because of an issue inherent in the tests’ design.

Neither the major test manufacturers, the U.S. Food and Drug Administration, or the U.S. Centers for Disease Control and Prevention would say how common false negatives are. While the FDA requires test makers to report any known instances of false negatives as a condition of granting them provisional approval, known as emergency use authorizations, no such reports are visible in a database the agency maintains for that purpose.

Without much data on how COVID-19 tests are performing in the real world, concerns are mounting that a lack of accurate testing will make it more difficult for America to relax social distancing, as the ability to track and trace new infections will be critical for any strategy to reopen the country.

Those warnings have reached Capitol Hill, where Texas Democratic Rep. Lloyd Doggett had heard from a doctor in his district about the accuracy of the tests. On Thursday, he and Rep. Rosa DeLauro of Connecticut sent a letter to the FDA demanding more data about the prevalence of false negatives in both the diagnostic tests currently in widespread use, as well as inaccuracies in the coming wave of rapid blood tests that detect immunity once the infection has passed.

“I’m very concerned about it,” Doggett told ProPublica. Too many false results, he worries, could lead to a new surge of infections when people go back to work or are allowed to gather in bars, sports arenas, and restaurants. “They have to monitor this very closely to ensure that we’re not creating false expectations, and in the process ending up with an epidemic that is even worse than the one we have now.”
 

 

 

Lowering the bar in an emergency

In the early days of the pandemic, the FDA, which regulates diagnostic tests, was criticized for not moving quickly enough to make testing widely available. For much of February, the only available test was the CDC’s, which initially had flaws when it was sent out to public health labs. Only on Feb. 29 did the FDA announce a new policy that made it easier for private labs and academic medical centers to make tests available as well.

Since then, the ongoing need for even more testing capacity across the United States has pushed the agency to loosen its typical requirements for manufacturers to prove that their tests are accurate before allowing them onto the market.

Normally, to get FDA approval, diagnostic makers need to run trials to gather evidence on their tests’ performance, a process that can take months or even years. The agency is currently skipping a lot of those steps by issuing emergency use authorizations.

Manufacturers are now required to run their COVID-19 tests on a minimum of 30 positive samples and 30 negative samples. They must demonstrate to the agency that the test has at least a 95% sensitivity, meaning it must correctly identify at least 95% of the positive samples as having the coronavirus, and 100% specificity, meaning that it must accurately identify all the negative samples as not having the coronavirus.

But the manufacturers are demonstrating their diagnostics’ performance with what’s known as “contrived samples,” which are not taken from actual patients. A contrived sample is made by taking coronavirus RNA made in a lab and putting it into a medium that mimics nasal mucus.

“This is supposed to represent a swab specimen, but it’s not a positive sample from a real patient, and that does make a real difference,” said Benjamin Pinsky, medical director of the Clinical Virology Laboratory for Stanford Health Care.

It’s not clear if the concentrations of virus on the simulated samples are representative of the full range of material taken from patients’ bodies in the real world. Pinksy says that it’s reasonable for the FDA to allow the use of contrived samples, because it makes it much faster for a manufacturer to run validation studies, and the need for speed has been pressing.

“But then we need to have studies to compare these assays and see how they perform with real-world samples, and whether some are more or less sensitive and whether some are more or less specific,” Pinsky said. “We don’t know the answer to these questions at this point.”

To compensate for the lower standard up front, experts say the FDA should track data on accuracy to make sure the tests are performing as expected, but this is easier said than done.

“In diagnostic tests in particular, it’s very difficult to know if something is failing,” said Alberto Gutierrez, former director of the FDA’s Office of In Vitro Diagnostics and Radiological Health. “When are you getting more erroneous results than you should? It’s not always easy to figure out.”

Swiss manufacturer Roche, whose test was authorized by the FDA on March 12, told ProPublica it couldn’t give specific numbers about its test’s actual rate of false negatives and false positives, though it said studies have demonstrated its test could detect very low levels of the coronavirus.

“Clinical studies, which take months to run and would be part of a regular (nonemergency) test approval process, are needed to give us an exact percentage of false negatives and false positives,” Roche spokesman Mike Weist wrote in an email. “We will continue to work with the FDA on ongoing studies post-EUA that will allow us to potentially say more in the future.”

Abbott, which makes a rapid COVID-19 test, also said that “performance characteristics, including accuracy data, will continue to be collected in the field.”

Abbott and the testing firms LabCorp and Quest Diagnostics all told ProPublica that tests should be used by physicians along with other information to form a diagnosis.
 

 

 

Even good tests can give inaccurate results

Clinicians and researchers said that a number of factors could cause inaccurate results on COVID-19 tests, and many of them have nothing to do with the test’s design.

For starters, the timing of when a patient receives the test matters. “If you’re far out from the initial exposure, the more days you are after onset, viral load goes down,” explained Stanford’s Pinsky. Viral load refers to the amount of virus that is being emitted from an infected person’s cells, and if that drops too low, even a person who still has an active infection may test negative.

Another issue is where the virus is in a person’s body. As the disease progresses, scientists think the virus tends to move down into a patient’s lungs, so the window of time when a nose swab will return a positive result may be limited.

“One of the issues with this stupid virus is that, if it’s down in your lungs, and we’re putting a swab up your nose, that’s not the best way to measure what’s in your lungs,” said Alex Greninger, assistant director of the clinical virology lab at the University of Washington Medical Center.

While it is possible to stick a scope down a patient’s airway to collect a sample from the bottom of the lungs, this is a much more complex procedure that requires sedating the patient. Technicians can ask a patient to cough up phlegm, known as sputum, but doing so substantially raises the risk of infecting health care workers. Even with a nasopharyngeal sample collected with a nose swab, one needs to collect it properly, which involves sticking the swab quite far up a patient’s nose.

Daniel Brook, a freelance journalist and historian in New Orleans, says he thinks his test result may have been a false negative because he was incorrectly swabbed.

During Mardi Gras, he hung out with a friend who was visiting from Manhattan. A few days later, as he started to get night sweats and chills, Brook’s friend texted to say that he had tested positive for COVID-19. Brook has asthma, so when he started to have trouble breathing, he went to an urgent care center, which said it didn’t have enough tests to give him one.

Four days later, as Brook found himself even more winded going up stairs, he and his girlfriend, who also had symptoms, received a letter from an emergency room doctor that would get them a test at a drive-through center. They first were tested for the flu and then finally for COVID-19.

“This flu test was way the hell in there. It was almost like you ate too much hot pepper,” Brook said. “And then we had this COVID test, and it was barely in the nose at all, which may be one of the issues.” Nine days later, they received their results: Both were negative.

Brook was confused. He had been trying to tell all of the people he had been in contact with, like his barber, that they might have been exposed, and he shared the good news with many of them. But his doctor told him that clinically, he had all the symptoms of COVID-19, and that his diagnosis would not change based on his test result.

Even if the sample is taken correctly, mishandling of the swab can also invalidate the result. RNA is similar to DNA but due to chemical differences is a much more fragile material and degrades more readily. This coronavirus is an RNA virus, essentially a string of RNA encased in a membrane “envelope.”

Abbott, one of the test makers, said that it recommends that samples be kept for no more than 8 hours at about 60-85 degrees Fahrenheit, or refrigerated for 72 hours. “People should make sure it is tested in a timely fashion,” Abbott said in its statement to ProPublica.

None of this bodes well for the numerous labs that have reported backlogs of tens of thousands of samples that are waiting to be tested.

A technician at an academic laboratory, who asked for anonymity because he is not authorized to speak on behalf of his university, described seeing basic mishandling of samples that is probably ruining dozens of patients’ test results.

“I don’t know why, but with COVID, we’ve just been awash with problems,” he told ProPublica. “Even simple things like caps not screwed on tightly – we’ll get a bag of samples, and two or three of them will be leaking, so you have this media completely soaking the inside of the bag. If one of those leaking samples is positive, you’ll have droplets all over the bag.”

Those samples, the technician said, often can’t be processed at all. His experience isn’t unique: In Alabama in late March, hundreds of samples were ruined in transit to a lab in Montgomery.
 

 

 

The dangers of inaccuracy

In the absence of data, physicians and public health officials are left to guess how many false negatives may be occurring – which could have serious consequences both for individuals and for combating the spread of the disease.

“You want to be right every time, because you miss somebody, and tell them that they’re negative, then you’re infecting people,” said Gutierrez, the former FDA official. “Let’s say you consider Amazon essential, and at the warehouse they’re testing people, even if they miss 1 or 5 people out of 100, that can be problematic.”

In addition, false negatives can make it more difficult to track spread of the virus, since those patients are not reported as confirmed cases and people who die without a positive test result won’t be counted in COVID-19 mortality statistics.

False positives also present problems. If you mistakenly think a patient has COVID-19, “then you have the potential to clog up the health care system and waste personal protective equipment and the time and effort of health care workers who think they are caring for individuals with COVID-19,” Stanford’s Pinsky said. “In addition, you’re producing a lot of anxiety for the patient.”

Pinsky says he hopes that real-world data will be gathered on the tests’ performance, especially as more and more come on the market: “If physicians have this information, they could move on to a different, better performing test and use that instead.”

Dr. Yukari Manabe, associate director of Global Health Research and Innovation at Johns Hopkins Medicine, estimates that 10%-25% of test results are false negatives. That’s not based on any data, she cautions, since hard evidence isn’t available. But she has been noticing many patients in the Hopkins system being tested more than once, when the first result doesn’t match their clinical symptoms.

Like others, Manabe acknowledges that the FDA has needed to greenlight tests quickly in order to get them out into the public. But she laments that companies weren’t encouraged to develop diagnostics earlier, which might have allowed the agency to keep the bar for approval higher, and also churn out more tests sooner.

“If people had seen the writing on the wall back in December, someone should’ve paid these companies what they needed to develop these tests on platforms that could’ve been rapidly ramped up to millions of tests,” Manabe said.

Instead, a test shortage caused doctors to limit tests to only the sickest patients, at a time when the virus had probably moved out of the back of the nasal cavity and into their lungs. A larger supply would have allowed for testing more people as soon as they started showing symptoms. That would have resulted in a lower rate of false negatives, Manabe said, since nose swabs are more likely to detect the virus soon after it’s been contracted.
 

The next wave of tests may be even less accurate

The questions swirling around the accuracy of the COVID-19 diagnostic tests are likely to persist as the next set of tests – antibody blood tests – start hitting the market. Already, the FDA has authorized the first of these tests, which search for molecules in a patient’s blood that can indicate if the immune system did battle with the coronavirus. Unlike the swab-based tests, which look for the viral RNA that indicate active infection, antibody tests are used to seek evidence of a past encounter with the virus.

 

 

Antibody tests are already seen as a critical tool in lifting lock-down measures, because they could potentially be used to figure out who has immunity to the coronavirus. In this case, false positives would be the greater concern, because it could be dangerous to tell someone that they have antibodies and are safe to go back to work when that is a false signal.

There are issues that need to be figured out before rushing to rely on these tests, Stanford’s Pinsky warned. What level of antibodies are needed to mean that someone is protected? And if you are protected, how long are you protected? The answers to these basic questions are still unknown, he said. This week, the World Health Organization put out guidance recommending against using antibody tests for clinical decision making.

The FDA, meanwhile, is lowering the bar even further. On March 16, it issued new guidance allowing manufacturers to distribute tests even before receiving emergency use authorization, for a “reasonable period of time” – about 15 days – after a diagnostic maker had validated the test internally and while preparing its request to the agency for an EUA.

Local governments are desperate enough for tests that they’ll buy them without assurances of accuracy at all. Chicago recently ordered 11,000 antibody tests made in South Korea that had not been reviewed by the FDA but are legal to distribute as long as they include several disclaimers including a recommendation that any negative result be confirmed with a diagnostic test.

“There’s no time really to put the effort into saying, ’Where’s the problem here?’ ” said Catherine Troisi, an epidemiologist at the University of Texas Health Science Center. “I’m not saying the test is bad. But what good is a test if you don’t know it’s giving you reliable results? We just don’t know.”

Correction, April 10, 2020: This story originally said incorrectly that Kendra Boroff was admitted to an intensive care unit.

This article was first published on ProPublica.com.

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Kendra Boroff believes she contracted the coronavirus on her 71st birthday, Feb. 20, when her family went out for a celebratory dinner, perhaps from their waiter, who was coughing into his elbow. Four days later, she developed a fever and a raging sore throat.

“You feel like you’re suffocating,” recalled Boroff, a real estate agent in Maineville, Ohio. “You cough and breathe with the top fourth or maybe less of your chest, because everything else is in a vise.”

Over the course of the next 3 weeks, as Boroff started getting chills and nausea, a series of doctors would suggest that it could be the common cold, bronchitis or pneumonia. She tested negative for the flu, and her chest x-rays showed signs of lung damage, including white patches called “ground-glass opacities” that are common in COVID-19 cases. By March 7, she was pretty sure it was COVID-19, but she couldn’t get a test until she arrived at the emergency room at the University of Cincinnati Health Center on March 19. She had a 103 degree fever and her oxygen levels were plummeting, so the doctors admitted her immediately.

Nearly a week later, as Boroff’s condition was stabilizing, the test results came back: negative.

Boroff was flummoxed, but her physician was clear that she had the virus, no matter what her test said.

“ ‘This is my diagnosis,’ ” she recalled him saying. “ ‘There is no other explanation.’ ”

Tests turning up negative even when all signs point to COVID-19 has been a common experience in American hospitals over the past month, public health experts have told ProPublica. It’s unclear what proportion of these negative results are inaccurate – known as “false negatives” – and whether that’s due to some external factor, like bad sample collection, or because of an issue inherent in the tests’ design.

Neither the major test manufacturers, the U.S. Food and Drug Administration, or the U.S. Centers for Disease Control and Prevention would say how common false negatives are. While the FDA requires test makers to report any known instances of false negatives as a condition of granting them provisional approval, known as emergency use authorizations, no such reports are visible in a database the agency maintains for that purpose.

Without much data on how COVID-19 tests are performing in the real world, concerns are mounting that a lack of accurate testing will make it more difficult for America to relax social distancing, as the ability to track and trace new infections will be critical for any strategy to reopen the country.

Those warnings have reached Capitol Hill, where Texas Democratic Rep. Lloyd Doggett had heard from a doctor in his district about the accuracy of the tests. On Thursday, he and Rep. Rosa DeLauro of Connecticut sent a letter to the FDA demanding more data about the prevalence of false negatives in both the diagnostic tests currently in widespread use, as well as inaccuracies in the coming wave of rapid blood tests that detect immunity once the infection has passed.

“I’m very concerned about it,” Doggett told ProPublica. Too many false results, he worries, could lead to a new surge of infections when people go back to work or are allowed to gather in bars, sports arenas, and restaurants. “They have to monitor this very closely to ensure that we’re not creating false expectations, and in the process ending up with an epidemic that is even worse than the one we have now.”
 

 

 

Lowering the bar in an emergency

In the early days of the pandemic, the FDA, which regulates diagnostic tests, was criticized for not moving quickly enough to make testing widely available. For much of February, the only available test was the CDC’s, which initially had flaws when it was sent out to public health labs. Only on Feb. 29 did the FDA announce a new policy that made it easier for private labs and academic medical centers to make tests available as well.

Since then, the ongoing need for even more testing capacity across the United States has pushed the agency to loosen its typical requirements for manufacturers to prove that their tests are accurate before allowing them onto the market.

Normally, to get FDA approval, diagnostic makers need to run trials to gather evidence on their tests’ performance, a process that can take months or even years. The agency is currently skipping a lot of those steps by issuing emergency use authorizations.

Manufacturers are now required to run their COVID-19 tests on a minimum of 30 positive samples and 30 negative samples. They must demonstrate to the agency that the test has at least a 95% sensitivity, meaning it must correctly identify at least 95% of the positive samples as having the coronavirus, and 100% specificity, meaning that it must accurately identify all the negative samples as not having the coronavirus.

But the manufacturers are demonstrating their diagnostics’ performance with what’s known as “contrived samples,” which are not taken from actual patients. A contrived sample is made by taking coronavirus RNA made in a lab and putting it into a medium that mimics nasal mucus.

“This is supposed to represent a swab specimen, but it’s not a positive sample from a real patient, and that does make a real difference,” said Benjamin Pinsky, medical director of the Clinical Virology Laboratory for Stanford Health Care.

It’s not clear if the concentrations of virus on the simulated samples are representative of the full range of material taken from patients’ bodies in the real world. Pinksy says that it’s reasonable for the FDA to allow the use of contrived samples, because it makes it much faster for a manufacturer to run validation studies, and the need for speed has been pressing.

“But then we need to have studies to compare these assays and see how they perform with real-world samples, and whether some are more or less sensitive and whether some are more or less specific,” Pinsky said. “We don’t know the answer to these questions at this point.”

To compensate for the lower standard up front, experts say the FDA should track data on accuracy to make sure the tests are performing as expected, but this is easier said than done.

“In diagnostic tests in particular, it’s very difficult to know if something is failing,” said Alberto Gutierrez, former director of the FDA’s Office of In Vitro Diagnostics and Radiological Health. “When are you getting more erroneous results than you should? It’s not always easy to figure out.”

Swiss manufacturer Roche, whose test was authorized by the FDA on March 12, told ProPublica it couldn’t give specific numbers about its test’s actual rate of false negatives and false positives, though it said studies have demonstrated its test could detect very low levels of the coronavirus.

“Clinical studies, which take months to run and would be part of a regular (nonemergency) test approval process, are needed to give us an exact percentage of false negatives and false positives,” Roche spokesman Mike Weist wrote in an email. “We will continue to work with the FDA on ongoing studies post-EUA that will allow us to potentially say more in the future.”

Abbott, which makes a rapid COVID-19 test, also said that “performance characteristics, including accuracy data, will continue to be collected in the field.”

Abbott and the testing firms LabCorp and Quest Diagnostics all told ProPublica that tests should be used by physicians along with other information to form a diagnosis.
 

 

 

Even good tests can give inaccurate results

Clinicians and researchers said that a number of factors could cause inaccurate results on COVID-19 tests, and many of them have nothing to do with the test’s design.

For starters, the timing of when a patient receives the test matters. “If you’re far out from the initial exposure, the more days you are after onset, viral load goes down,” explained Stanford’s Pinsky. Viral load refers to the amount of virus that is being emitted from an infected person’s cells, and if that drops too low, even a person who still has an active infection may test negative.

Another issue is where the virus is in a person’s body. As the disease progresses, scientists think the virus tends to move down into a patient’s lungs, so the window of time when a nose swab will return a positive result may be limited.

“One of the issues with this stupid virus is that, if it’s down in your lungs, and we’re putting a swab up your nose, that’s not the best way to measure what’s in your lungs,” said Alex Greninger, assistant director of the clinical virology lab at the University of Washington Medical Center.

While it is possible to stick a scope down a patient’s airway to collect a sample from the bottom of the lungs, this is a much more complex procedure that requires sedating the patient. Technicians can ask a patient to cough up phlegm, known as sputum, but doing so substantially raises the risk of infecting health care workers. Even with a nasopharyngeal sample collected with a nose swab, one needs to collect it properly, which involves sticking the swab quite far up a patient’s nose.

Daniel Brook, a freelance journalist and historian in New Orleans, says he thinks his test result may have been a false negative because he was incorrectly swabbed.

During Mardi Gras, he hung out with a friend who was visiting from Manhattan. A few days later, as he started to get night sweats and chills, Brook’s friend texted to say that he had tested positive for COVID-19. Brook has asthma, so when he started to have trouble breathing, he went to an urgent care center, which said it didn’t have enough tests to give him one.

Four days later, as Brook found himself even more winded going up stairs, he and his girlfriend, who also had symptoms, received a letter from an emergency room doctor that would get them a test at a drive-through center. They first were tested for the flu and then finally for COVID-19.

“This flu test was way the hell in there. It was almost like you ate too much hot pepper,” Brook said. “And then we had this COVID test, and it was barely in the nose at all, which may be one of the issues.” Nine days later, they received their results: Both were negative.

Brook was confused. He had been trying to tell all of the people he had been in contact with, like his barber, that they might have been exposed, and he shared the good news with many of them. But his doctor told him that clinically, he had all the symptoms of COVID-19, and that his diagnosis would not change based on his test result.

Even if the sample is taken correctly, mishandling of the swab can also invalidate the result. RNA is similar to DNA but due to chemical differences is a much more fragile material and degrades more readily. This coronavirus is an RNA virus, essentially a string of RNA encased in a membrane “envelope.”

Abbott, one of the test makers, said that it recommends that samples be kept for no more than 8 hours at about 60-85 degrees Fahrenheit, or refrigerated for 72 hours. “People should make sure it is tested in a timely fashion,” Abbott said in its statement to ProPublica.

None of this bodes well for the numerous labs that have reported backlogs of tens of thousands of samples that are waiting to be tested.

A technician at an academic laboratory, who asked for anonymity because he is not authorized to speak on behalf of his university, described seeing basic mishandling of samples that is probably ruining dozens of patients’ test results.

“I don’t know why, but with COVID, we’ve just been awash with problems,” he told ProPublica. “Even simple things like caps not screwed on tightly – we’ll get a bag of samples, and two or three of them will be leaking, so you have this media completely soaking the inside of the bag. If one of those leaking samples is positive, you’ll have droplets all over the bag.”

Those samples, the technician said, often can’t be processed at all. His experience isn’t unique: In Alabama in late March, hundreds of samples were ruined in transit to a lab in Montgomery.
 

 

 

The dangers of inaccuracy

In the absence of data, physicians and public health officials are left to guess how many false negatives may be occurring – which could have serious consequences both for individuals and for combating the spread of the disease.

“You want to be right every time, because you miss somebody, and tell them that they’re negative, then you’re infecting people,” said Gutierrez, the former FDA official. “Let’s say you consider Amazon essential, and at the warehouse they’re testing people, even if they miss 1 or 5 people out of 100, that can be problematic.”

In addition, false negatives can make it more difficult to track spread of the virus, since those patients are not reported as confirmed cases and people who die without a positive test result won’t be counted in COVID-19 mortality statistics.

False positives also present problems. If you mistakenly think a patient has COVID-19, “then you have the potential to clog up the health care system and waste personal protective equipment and the time and effort of health care workers who think they are caring for individuals with COVID-19,” Stanford’s Pinsky said. “In addition, you’re producing a lot of anxiety for the patient.”

Pinsky says he hopes that real-world data will be gathered on the tests’ performance, especially as more and more come on the market: “If physicians have this information, they could move on to a different, better performing test and use that instead.”

Dr. Yukari Manabe, associate director of Global Health Research and Innovation at Johns Hopkins Medicine, estimates that 10%-25% of test results are false negatives. That’s not based on any data, she cautions, since hard evidence isn’t available. But she has been noticing many patients in the Hopkins system being tested more than once, when the first result doesn’t match their clinical symptoms.

Like others, Manabe acknowledges that the FDA has needed to greenlight tests quickly in order to get them out into the public. But she laments that companies weren’t encouraged to develop diagnostics earlier, which might have allowed the agency to keep the bar for approval higher, and also churn out more tests sooner.

“If people had seen the writing on the wall back in December, someone should’ve paid these companies what they needed to develop these tests on platforms that could’ve been rapidly ramped up to millions of tests,” Manabe said.

Instead, a test shortage caused doctors to limit tests to only the sickest patients, at a time when the virus had probably moved out of the back of the nasal cavity and into their lungs. A larger supply would have allowed for testing more people as soon as they started showing symptoms. That would have resulted in a lower rate of false negatives, Manabe said, since nose swabs are more likely to detect the virus soon after it’s been contracted.
 

The next wave of tests may be even less accurate

The questions swirling around the accuracy of the COVID-19 diagnostic tests are likely to persist as the next set of tests – antibody blood tests – start hitting the market. Already, the FDA has authorized the first of these tests, which search for molecules in a patient’s blood that can indicate if the immune system did battle with the coronavirus. Unlike the swab-based tests, which look for the viral RNA that indicate active infection, antibody tests are used to seek evidence of a past encounter with the virus.

 

 

Antibody tests are already seen as a critical tool in lifting lock-down measures, because they could potentially be used to figure out who has immunity to the coronavirus. In this case, false positives would be the greater concern, because it could be dangerous to tell someone that they have antibodies and are safe to go back to work when that is a false signal.

There are issues that need to be figured out before rushing to rely on these tests, Stanford’s Pinsky warned. What level of antibodies are needed to mean that someone is protected? And if you are protected, how long are you protected? The answers to these basic questions are still unknown, he said. This week, the World Health Organization put out guidance recommending against using antibody tests for clinical decision making.

The FDA, meanwhile, is lowering the bar even further. On March 16, it issued new guidance allowing manufacturers to distribute tests even before receiving emergency use authorization, for a “reasonable period of time” – about 15 days – after a diagnostic maker had validated the test internally and while preparing its request to the agency for an EUA.

Local governments are desperate enough for tests that they’ll buy them without assurances of accuracy at all. Chicago recently ordered 11,000 antibody tests made in South Korea that had not been reviewed by the FDA but are legal to distribute as long as they include several disclaimers including a recommendation that any negative result be confirmed with a diagnostic test.

“There’s no time really to put the effort into saying, ’Where’s the problem here?’ ” said Catherine Troisi, an epidemiologist at the University of Texas Health Science Center. “I’m not saying the test is bad. But what good is a test if you don’t know it’s giving you reliable results? We just don’t know.”

Correction, April 10, 2020: This story originally said incorrectly that Kendra Boroff was admitted to an intensive care unit.

This article was first published on ProPublica.com.

Kendra Boroff believes she contracted the coronavirus on her 71st birthday, Feb. 20, when her family went out for a celebratory dinner, perhaps from their waiter, who was coughing into his elbow. Four days later, she developed a fever and a raging sore throat.

“You feel like you’re suffocating,” recalled Boroff, a real estate agent in Maineville, Ohio. “You cough and breathe with the top fourth or maybe less of your chest, because everything else is in a vise.”

Over the course of the next 3 weeks, as Boroff started getting chills and nausea, a series of doctors would suggest that it could be the common cold, bronchitis or pneumonia. She tested negative for the flu, and her chest x-rays showed signs of lung damage, including white patches called “ground-glass opacities” that are common in COVID-19 cases. By March 7, she was pretty sure it was COVID-19, but she couldn’t get a test until she arrived at the emergency room at the University of Cincinnati Health Center on March 19. She had a 103 degree fever and her oxygen levels were plummeting, so the doctors admitted her immediately.

Nearly a week later, as Boroff’s condition was stabilizing, the test results came back: negative.

Boroff was flummoxed, but her physician was clear that she had the virus, no matter what her test said.

“ ‘This is my diagnosis,’ ” she recalled him saying. “ ‘There is no other explanation.’ ”

Tests turning up negative even when all signs point to COVID-19 has been a common experience in American hospitals over the past month, public health experts have told ProPublica. It’s unclear what proportion of these negative results are inaccurate – known as “false negatives” – and whether that’s due to some external factor, like bad sample collection, or because of an issue inherent in the tests’ design.

Neither the major test manufacturers, the U.S. Food and Drug Administration, or the U.S. Centers for Disease Control and Prevention would say how common false negatives are. While the FDA requires test makers to report any known instances of false negatives as a condition of granting them provisional approval, known as emergency use authorizations, no such reports are visible in a database the agency maintains for that purpose.

Without much data on how COVID-19 tests are performing in the real world, concerns are mounting that a lack of accurate testing will make it more difficult for America to relax social distancing, as the ability to track and trace new infections will be critical for any strategy to reopen the country.

Those warnings have reached Capitol Hill, where Texas Democratic Rep. Lloyd Doggett had heard from a doctor in his district about the accuracy of the tests. On Thursday, he and Rep. Rosa DeLauro of Connecticut sent a letter to the FDA demanding more data about the prevalence of false negatives in both the diagnostic tests currently in widespread use, as well as inaccuracies in the coming wave of rapid blood tests that detect immunity once the infection has passed.

“I’m very concerned about it,” Doggett told ProPublica. Too many false results, he worries, could lead to a new surge of infections when people go back to work or are allowed to gather in bars, sports arenas, and restaurants. “They have to monitor this very closely to ensure that we’re not creating false expectations, and in the process ending up with an epidemic that is even worse than the one we have now.”
 

 

 

Lowering the bar in an emergency

In the early days of the pandemic, the FDA, which regulates diagnostic tests, was criticized for not moving quickly enough to make testing widely available. For much of February, the only available test was the CDC’s, which initially had flaws when it was sent out to public health labs. Only on Feb. 29 did the FDA announce a new policy that made it easier for private labs and academic medical centers to make tests available as well.

Since then, the ongoing need for even more testing capacity across the United States has pushed the agency to loosen its typical requirements for manufacturers to prove that their tests are accurate before allowing them onto the market.

Normally, to get FDA approval, diagnostic makers need to run trials to gather evidence on their tests’ performance, a process that can take months or even years. The agency is currently skipping a lot of those steps by issuing emergency use authorizations.

Manufacturers are now required to run their COVID-19 tests on a minimum of 30 positive samples and 30 negative samples. They must demonstrate to the agency that the test has at least a 95% sensitivity, meaning it must correctly identify at least 95% of the positive samples as having the coronavirus, and 100% specificity, meaning that it must accurately identify all the negative samples as not having the coronavirus.

But the manufacturers are demonstrating their diagnostics’ performance with what’s known as “contrived samples,” which are not taken from actual patients. A contrived sample is made by taking coronavirus RNA made in a lab and putting it into a medium that mimics nasal mucus.

“This is supposed to represent a swab specimen, but it’s not a positive sample from a real patient, and that does make a real difference,” said Benjamin Pinsky, medical director of the Clinical Virology Laboratory for Stanford Health Care.

It’s not clear if the concentrations of virus on the simulated samples are representative of the full range of material taken from patients’ bodies in the real world. Pinksy says that it’s reasonable for the FDA to allow the use of contrived samples, because it makes it much faster for a manufacturer to run validation studies, and the need for speed has been pressing.

“But then we need to have studies to compare these assays and see how they perform with real-world samples, and whether some are more or less sensitive and whether some are more or less specific,” Pinsky said. “We don’t know the answer to these questions at this point.”

To compensate for the lower standard up front, experts say the FDA should track data on accuracy to make sure the tests are performing as expected, but this is easier said than done.

“In diagnostic tests in particular, it’s very difficult to know if something is failing,” said Alberto Gutierrez, former director of the FDA’s Office of In Vitro Diagnostics and Radiological Health. “When are you getting more erroneous results than you should? It’s not always easy to figure out.”

Swiss manufacturer Roche, whose test was authorized by the FDA on March 12, told ProPublica it couldn’t give specific numbers about its test’s actual rate of false negatives and false positives, though it said studies have demonstrated its test could detect very low levels of the coronavirus.

“Clinical studies, which take months to run and would be part of a regular (nonemergency) test approval process, are needed to give us an exact percentage of false negatives and false positives,” Roche spokesman Mike Weist wrote in an email. “We will continue to work with the FDA on ongoing studies post-EUA that will allow us to potentially say more in the future.”

Abbott, which makes a rapid COVID-19 test, also said that “performance characteristics, including accuracy data, will continue to be collected in the field.”

Abbott and the testing firms LabCorp and Quest Diagnostics all told ProPublica that tests should be used by physicians along with other information to form a diagnosis.
 

 

 

Even good tests can give inaccurate results

Clinicians and researchers said that a number of factors could cause inaccurate results on COVID-19 tests, and many of them have nothing to do with the test’s design.

For starters, the timing of when a patient receives the test matters. “If you’re far out from the initial exposure, the more days you are after onset, viral load goes down,” explained Stanford’s Pinsky. Viral load refers to the amount of virus that is being emitted from an infected person’s cells, and if that drops too low, even a person who still has an active infection may test negative.

Another issue is where the virus is in a person’s body. As the disease progresses, scientists think the virus tends to move down into a patient’s lungs, so the window of time when a nose swab will return a positive result may be limited.

“One of the issues with this stupid virus is that, if it’s down in your lungs, and we’re putting a swab up your nose, that’s not the best way to measure what’s in your lungs,” said Alex Greninger, assistant director of the clinical virology lab at the University of Washington Medical Center.

While it is possible to stick a scope down a patient’s airway to collect a sample from the bottom of the lungs, this is a much more complex procedure that requires sedating the patient. Technicians can ask a patient to cough up phlegm, known as sputum, but doing so substantially raises the risk of infecting health care workers. Even with a nasopharyngeal sample collected with a nose swab, one needs to collect it properly, which involves sticking the swab quite far up a patient’s nose.

Daniel Brook, a freelance journalist and historian in New Orleans, says he thinks his test result may have been a false negative because he was incorrectly swabbed.

During Mardi Gras, he hung out with a friend who was visiting from Manhattan. A few days later, as he started to get night sweats and chills, Brook’s friend texted to say that he had tested positive for COVID-19. Brook has asthma, so when he started to have trouble breathing, he went to an urgent care center, which said it didn’t have enough tests to give him one.

Four days later, as Brook found himself even more winded going up stairs, he and his girlfriend, who also had symptoms, received a letter from an emergency room doctor that would get them a test at a drive-through center. They first were tested for the flu and then finally for COVID-19.

“This flu test was way the hell in there. It was almost like you ate too much hot pepper,” Brook said. “And then we had this COVID test, and it was barely in the nose at all, which may be one of the issues.” Nine days later, they received their results: Both were negative.

Brook was confused. He had been trying to tell all of the people he had been in contact with, like his barber, that they might have been exposed, and he shared the good news with many of them. But his doctor told him that clinically, he had all the symptoms of COVID-19, and that his diagnosis would not change based on his test result.

Even if the sample is taken correctly, mishandling of the swab can also invalidate the result. RNA is similar to DNA but due to chemical differences is a much more fragile material and degrades more readily. This coronavirus is an RNA virus, essentially a string of RNA encased in a membrane “envelope.”

Abbott, one of the test makers, said that it recommends that samples be kept for no more than 8 hours at about 60-85 degrees Fahrenheit, or refrigerated for 72 hours. “People should make sure it is tested in a timely fashion,” Abbott said in its statement to ProPublica.

None of this bodes well for the numerous labs that have reported backlogs of tens of thousands of samples that are waiting to be tested.

A technician at an academic laboratory, who asked for anonymity because he is not authorized to speak on behalf of his university, described seeing basic mishandling of samples that is probably ruining dozens of patients’ test results.

“I don’t know why, but with COVID, we’ve just been awash with problems,” he told ProPublica. “Even simple things like caps not screwed on tightly – we’ll get a bag of samples, and two or three of them will be leaking, so you have this media completely soaking the inside of the bag. If one of those leaking samples is positive, you’ll have droplets all over the bag.”

Those samples, the technician said, often can’t be processed at all. His experience isn’t unique: In Alabama in late March, hundreds of samples were ruined in transit to a lab in Montgomery.
 

 

 

The dangers of inaccuracy

In the absence of data, physicians and public health officials are left to guess how many false negatives may be occurring – which could have serious consequences both for individuals and for combating the spread of the disease.

“You want to be right every time, because you miss somebody, and tell them that they’re negative, then you’re infecting people,” said Gutierrez, the former FDA official. “Let’s say you consider Amazon essential, and at the warehouse they’re testing people, even if they miss 1 or 5 people out of 100, that can be problematic.”

In addition, false negatives can make it more difficult to track spread of the virus, since those patients are not reported as confirmed cases and people who die without a positive test result won’t be counted in COVID-19 mortality statistics.

False positives also present problems. If you mistakenly think a patient has COVID-19, “then you have the potential to clog up the health care system and waste personal protective equipment and the time and effort of health care workers who think they are caring for individuals with COVID-19,” Stanford’s Pinsky said. “In addition, you’re producing a lot of anxiety for the patient.”

Pinsky says he hopes that real-world data will be gathered on the tests’ performance, especially as more and more come on the market: “If physicians have this information, they could move on to a different, better performing test and use that instead.”

Dr. Yukari Manabe, associate director of Global Health Research and Innovation at Johns Hopkins Medicine, estimates that 10%-25% of test results are false negatives. That’s not based on any data, she cautions, since hard evidence isn’t available. But she has been noticing many patients in the Hopkins system being tested more than once, when the first result doesn’t match their clinical symptoms.

Like others, Manabe acknowledges that the FDA has needed to greenlight tests quickly in order to get them out into the public. But she laments that companies weren’t encouraged to develop diagnostics earlier, which might have allowed the agency to keep the bar for approval higher, and also churn out more tests sooner.

“If people had seen the writing on the wall back in December, someone should’ve paid these companies what they needed to develop these tests on platforms that could’ve been rapidly ramped up to millions of tests,” Manabe said.

Instead, a test shortage caused doctors to limit tests to only the sickest patients, at a time when the virus had probably moved out of the back of the nasal cavity and into their lungs. A larger supply would have allowed for testing more people as soon as they started showing symptoms. That would have resulted in a lower rate of false negatives, Manabe said, since nose swabs are more likely to detect the virus soon after it’s been contracted.
 

The next wave of tests may be even less accurate

The questions swirling around the accuracy of the COVID-19 diagnostic tests are likely to persist as the next set of tests – antibody blood tests – start hitting the market. Already, the FDA has authorized the first of these tests, which search for molecules in a patient’s blood that can indicate if the immune system did battle with the coronavirus. Unlike the swab-based tests, which look for the viral RNA that indicate active infection, antibody tests are used to seek evidence of a past encounter with the virus.

 

 

Antibody tests are already seen as a critical tool in lifting lock-down measures, because they could potentially be used to figure out who has immunity to the coronavirus. In this case, false positives would be the greater concern, because it could be dangerous to tell someone that they have antibodies and are safe to go back to work when that is a false signal.

There are issues that need to be figured out before rushing to rely on these tests, Stanford’s Pinsky warned. What level of antibodies are needed to mean that someone is protected? And if you are protected, how long are you protected? The answers to these basic questions are still unknown, he said. This week, the World Health Organization put out guidance recommending against using antibody tests for clinical decision making.

The FDA, meanwhile, is lowering the bar even further. On March 16, it issued new guidance allowing manufacturers to distribute tests even before receiving emergency use authorization, for a “reasonable period of time” – about 15 days – after a diagnostic maker had validated the test internally and while preparing its request to the agency for an EUA.

Local governments are desperate enough for tests that they’ll buy them without assurances of accuracy at all. Chicago recently ordered 11,000 antibody tests made in South Korea that had not been reviewed by the FDA but are legal to distribute as long as they include several disclaimers including a recommendation that any negative result be confirmed with a diagnostic test.

“There’s no time really to put the effort into saying, ’Where’s the problem here?’ ” said Catherine Troisi, an epidemiologist at the University of Texas Health Science Center. “I’m not saying the test is bad. But what good is a test if you don’t know it’s giving you reliable results? We just don’t know.”

Correction, April 10, 2020: This story originally said incorrectly that Kendra Boroff was admitted to an intensive care unit.

This article was first published on ProPublica.com.

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Can diabetes be cured?

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In his Guest Editorial “How to help patients become successful diabetes self-managers” (J Fam Pract. 2020;69:8-9), Dr. Unger makes several very good points. I especially liked his recommendation to ask patients why they are concerned about having diabetes; this question alone can kick-start the behavior modification process leading to improved diabetes control.

I disagree with Dr. Unger’s assertion that “diabetes cannot be cured.”

However, I disagree with Dr. Unger’s assertion that “diabetes cannot be cured.” Based on multiple case studies, clinical trials, results from lifestyle intervention programs, and my own experience as a family physician, it is clear that diabetes can be reversed with lifestyle changes designed to counteract the modifiable factors (eg, diet, lack of exercise) that usually cause this condition.

Rather than merely considering the diabetes measure of success to be blood glucose controlled by prescribed medication, it is important to offer a more collaborative approach to patients willing to make lifestyle changes. We can show many—if not most— that they can achieve the goal of blood glucose control without medication.

Allan Olson MD
Diplomate, American Board of Family Medicine and American Board of Lifestyle Medicine
Kewaunee, WI

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In his Guest Editorial “How to help patients become successful diabetes self-managers” (J Fam Pract. 2020;69:8-9), Dr. Unger makes several very good points. I especially liked his recommendation to ask patients why they are concerned about having diabetes; this question alone can kick-start the behavior modification process leading to improved diabetes control.

I disagree with Dr. Unger’s assertion that “diabetes cannot be cured.”

However, I disagree with Dr. Unger’s assertion that “diabetes cannot be cured.” Based on multiple case studies, clinical trials, results from lifestyle intervention programs, and my own experience as a family physician, it is clear that diabetes can be reversed with lifestyle changes designed to counteract the modifiable factors (eg, diet, lack of exercise) that usually cause this condition.

Rather than merely considering the diabetes measure of success to be blood glucose controlled by prescribed medication, it is important to offer a more collaborative approach to patients willing to make lifestyle changes. We can show many—if not most— that they can achieve the goal of blood glucose control without medication.

Allan Olson MD
Diplomate, American Board of Family Medicine and American Board of Lifestyle Medicine
Kewaunee, WI

In his Guest Editorial “How to help patients become successful diabetes self-managers” (J Fam Pract. 2020;69:8-9), Dr. Unger makes several very good points. I especially liked his recommendation to ask patients why they are concerned about having diabetes; this question alone can kick-start the behavior modification process leading to improved diabetes control.

I disagree with Dr. Unger’s assertion that “diabetes cannot be cured.”

However, I disagree with Dr. Unger’s assertion that “diabetes cannot be cured.” Based on multiple case studies, clinical trials, results from lifestyle intervention programs, and my own experience as a family physician, it is clear that diabetes can be reversed with lifestyle changes designed to counteract the modifiable factors (eg, diet, lack of exercise) that usually cause this condition.

Rather than merely considering the diabetes measure of success to be blood glucose controlled by prescribed medication, it is important to offer a more collaborative approach to patients willing to make lifestyle changes. We can show many—if not most— that they can achieve the goal of blood glucose control without medication.

Allan Olson MD
Diplomate, American Board of Family Medicine and American Board of Lifestyle Medicine
Kewaunee, WI

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There’s one less weight-loss drug on the market

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I would like to provide an update to my article, “10 proven strategies to help patients maintain weight loss” (J Fam Pract. 2020;69:20-25), which mentioned lorcaserin as one of several medications approved by the US Food and Drug Administration (FDA) for long-term use in weight maintenance. On February 13, 2020, the FDA requested that the manufacturer of Belviq and Belviq XR (lorcaserin), Eisai Inc., voluntarily withdraw the weight-loss drug from the US market because a safety clinical trial demonstrated an increased occurrence of cancer. Eisai Inc. has submitted a request to voluntarily withdraw the drug. The FDA has advised patients to stop taking lorcaserin and talk to their health care provider about alternative weight-loss medicines and weight management programs.

Marijane Hynes, MD
Weight Management Program
The George Washington University
Medical Faculty Associates
Washington, DC

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I would like to provide an update to my article, “10 proven strategies to help patients maintain weight loss” (J Fam Pract. 2020;69:20-25), which mentioned lorcaserin as one of several medications approved by the US Food and Drug Administration (FDA) for long-term use in weight maintenance. On February 13, 2020, the FDA requested that the manufacturer of Belviq and Belviq XR (lorcaserin), Eisai Inc., voluntarily withdraw the weight-loss drug from the US market because a safety clinical trial demonstrated an increased occurrence of cancer. Eisai Inc. has submitted a request to voluntarily withdraw the drug. The FDA has advised patients to stop taking lorcaserin and talk to their health care provider about alternative weight-loss medicines and weight management programs.

Marijane Hynes, MD
Weight Management Program
The George Washington University
Medical Faculty Associates
Washington, DC

I would like to provide an update to my article, “10 proven strategies to help patients maintain weight loss” (J Fam Pract. 2020;69:20-25), which mentioned lorcaserin as one of several medications approved by the US Food and Drug Administration (FDA) for long-term use in weight maintenance. On February 13, 2020, the FDA requested that the manufacturer of Belviq and Belviq XR (lorcaserin), Eisai Inc., voluntarily withdraw the weight-loss drug from the US market because a safety clinical trial demonstrated an increased occurrence of cancer. Eisai Inc. has submitted a request to voluntarily withdraw the drug. The FDA has advised patients to stop taking lorcaserin and talk to their health care provider about alternative weight-loss medicines and weight management programs.

Marijane Hynes, MD
Weight Management Program
The George Washington University
Medical Faculty Associates
Washington, DC

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