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Letter Warns Against Clinical Role for Cardiac MRI in Asymptomatic COVID Patients

Letter Warns Against Clinical Role for Cardiac MRI in Asymptomatic COVID Patients

We are a group of clinicians, researchers and imaging specialists writing in response to recent publications and media coverage about myocarditis after COVID-19. We work in different areas such as public health, internal medicine, cardiology, and radiology, across the globe, but are similarly concerned about the presentation, interpretation and media coverage of the role of cardiac magnetic resonance imaging in the management of asymptomatic patients recovered from COVID-19.

Studies investigating the prevalence of myocarditis in patients with recent COVID-19 have found features of subclinical myocarditis on cardiac magnetic resonance (CMR) imaging in patients without symptoms. Some commentators have raised concern that COVID-19 may lead to frequent, serious long-term cardiac sequelae even among people who have had mild infection and are currently asymptomatic.

We wish to emphasize that the prevalence, clinical significance and long-term implications of CMR surrogates of myocardial injury on morbidity and mortality are unknown. Further, it is unclear if the elevated T1 and T2 flagged in these studies are clinically significant, particularly in isolation, if treatment is needed, and, if so, what the management should be. These important questions should inspire future prospective studies.

CriticalCare.news
September 16, 2020

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