Journal
BRITISH JOURNAL OF OPHTHALMOLOGY
Volume 105, Issue 3, Pages 306-310Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/bjophthalmol-2020-316586
Keywords
immunology; inflammation; drugs
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The emergence of SARS-CoV-2 in 2019 has raised concerns about the vulnerability of patients under immunosuppressive treatment during the COVID-19 pandemic. However, preliminary clinical experiences suggest that immunosuppressed patients may not have significantly different morbidity and mortality rates compared to the general population. Current global best practice guidelines recommend continuing immunosuppression treatment for patients who require it, except in cases involving high-dose corticosteroid therapy and patients with risk factors for severe COVID-19 disease.
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in December 2019 in Wuhan city, Hubei province, China. This is the third and largest coronavirus outbreak since the new millennium after SARS in 2002 and Middle East respiratory syndrome (MERS) in 2012. Over 3 million people have been infected and the COVID-19 has caused more than 217 000 deaths. A concern exists regarding the vulnerability of patients who have been treated with immunosuppressive drugs prior or during this pandemic. Would they be more susceptible to infection by the SARS-CoV-2 and how would their clinical course be altered by their immunosuppressed state? This is a question the wider medical fraternity-including ophthalmologists, rheumatologists, gastroenterologist and transplant physicians among others-must answer. The evidence from the SARS and MERS outbreak offer some degree of confidence that immunosuppression is largely safe in the current COVID-19 pandemic. Preliminary clinical experiences based on case reports, small series and observational studies show the morbidity and mortality rates in immunosuppressed patients may not differ largely from the general population. Overwhelmingly, current best practice guidelines worldwide recommended the continuation of immunosuppression treatment in patients who require them except for perhaps high-dose corticosteroid therapy and in patients with associated risk factors for severe COVID-19 disease.
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