COVID-19 Vaccination–Associated Myocarditis in Adolescents

U.S, 5 November 2021, Jain et al, Pedriatrics


Retrospective multicenter study across 16 US hospitals. Sixty-three patients with a mean age of 15.6 years were included; 92% were male. All had received a messenger RNA vaccine and, except for one, presented after the second dose. Four patients had significant dysrhythmia; 14% had mild left ventricular dysfunction on echocardiography, which resolved on discharge; 88% met the diagnostic CMR Lake Louise
criteria for myocarditis. Myocardial injury as evidenced by late gadolinium enhancement on CMR.

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