From the Journals

Cardiac issues twice as likely with COVID plus high troponin


 

‘Tour de force’

James A. de Lemos, MD, co-chair of the American Heart Association’s COVID-19 CVD Registry Steering Committee and a professor of medicine at the University of Texas Southwestern Medical Center, Dallas, said, “This is a tour de force collaboration – obtaining this many MRIs across multiple centers in the pandemic is quite remarkable. The study highlights the multiple different processes that lead to cardiac injury in COVID patients, complements autopsy studies and prior smaller MRI studies, [and] also provides the best data on the rate of myocarditis to date among the subset of COVID patients with cardiac injury.”

Overall, he said, the findings “do support closer follow-up for patients who had COVID and elevated troponins. We need to see follow-up MRI results in this cohort, as well as longer term outcomes. We also need studies on newer, more benign variants that are likely to have lower rates of cardiac injury and even fewer MRI abnormalities.”

Matthias Stuber, PhD, and Aaron L. Baggish, MD, both of Lausanne University Hospital and University of Lausanne, Switzerland, noted in a related editorial, “We are also reminded that the clinical severity of COVID-19 is most often dictated by the presence of pre-existing comorbidity, with antecedent ischemic scar now added to the long list of bad actors. Although not the primary focus of the COVID-HEART study, the question of whether cardiac troponin levels should be checked routinely and universally during the index admission for COVID-19 remains unresolved,” they noted.

“In general, we are most effective as clinicians when we use tests to confirm or rule out the specific disease processes suspected by careful basic clinical assessment rather than in a shotgun manner among undifferentiated all-comers,” they conclude.

No commercial funding or relevant financial relationships were reported.

A version of this article originally appeared on Medscape.com.

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