Cardiovascular imaging shows no evidence of myocardial injury in athletes after COVID-19 infection

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Cardiovascular imaging demonstrated no evidence of myocardial injury or myocarditis in athletes after COVID-19 infection, according to a research letter published in Circulation by Le Bonheur Children's Hospital and the University of Tennessee Health Science Center cardiologists.

The screening and evaluation was conducted by the Le Bonheur Children's Heart Institute Sports Cardiology team, Benjamin S. Hendrickson, MD, Ranjit R. Philip, MD, and Ryan E. Stephens, NP-C, MBA, and Le Bonheur Director of Cardiac MRI Jason N. Johnson, MD, MHS. Researchers say this study confirms existing recommendations that cardiovascular screening can be deferred in COVID-19 positive athletes who are asymptomatic or have milder symptoms.

Concern for cardiovascular disease as a result of COVID-19 brought about recommendations for evaluating athletes after infection. Our results show that none of the athletes who underwent cardiac MRI had abnormal findings."

Jason N. Johnson, MD, MHS, Director of Cardiac MRI, Le Bonheur Children's Hospital

137 collegiate athletes from three universities competing across the National Collegiate Athletic Association (NCAA) Divisions 1, 2 and 3 were evaluated in sports cardiology clinic no sooner than 10 days after testing positive. The athletes were young adults from a broad range of sports and various racial ethnic backgrounds - 48% black, 47% white and 7% Hispanic.

Le Bonheur Children's and UTHSC cardiologists used an algorithm-guided screening to evaluate the athletes. Regardless of symptoms or illness severity, cardiologists obtained a 12-lead electrocardiogram (ECG), transthoracic echocardiogram and conventional cardiac troponin I (cTn) level from each COVID-19 positive athlete.

If any of these tests were abnormal or the athlete had a clinical evaluation of concern, they were referred for cardiac MRI (CMR). Athletes with normal evaluations and negative tests or negative CMR had exercise slowly reintroduced and eventually returned to full participation.

Study findings include:

  • Most athletes (82%) were symptomatic and experienced mild (67%) or moderate (33%) symptoms. None of the athletes had severe COVID-19 illness.
  • Only five (3.6%) athletes had abnormal testing that required CMR. Of these five, none had abnormal CMR results consistent with myocardial injury or myocarditis.
  • None of the athletes had new symptoms or other health problem after resuming exercise and normal competition.

"On the basis of the outcomes and follow-up in our cohort, it is reasonable to defer cardiovascular screening in asymptomatic athletes or those with milder COVID-19," said Philip. "Cardiac screening, testing and imaging can be guided by the severity of symptoms and illness in an athlete."

Journal reference:

Hendrickson, B. S., et al. (2021) Cardiovascular Evaluation After COVID-19 in 137 Collegiate Athletes: Results of an Algorithm-Guided Screening. Circulation.


The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
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