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Intern Med . Course of Cardiac Magnetic Resonance Imaging Findings in Acute Myocarditis after COVID-19 mRNA Vaccination

tetano

tetano

Editor, Senior Moderator
Intern Med


. 2022 Jun 21.
doi: 10.2169/internalmedicine.9797-22. Online ahead of print.
Course of Cardiac Magnetic Resonance Imaging Findings in Acute Myocarditis after COVID-19 mRNA Vaccination


Hirotaka Kawauchi[SUP] 1 [/SUP], Yuya Mitsuhasi[SUP] 1 [/SUP], Shin Nakamura[SUP] 1 [/SUP], Risa Ogawa[SUP] 1 [/SUP], Tomonori Miyabe[SUP] 1 [/SUP], Ken Kato[SUP] 1 [/SUP], Hiroyuki Tanaka[SUP] 1 [/SUP]



Affiliations

Abstract

Myocarditis is being increasingly reported as a rare complication of coronavirus disease 2019 (COVID-19) mRNA vaccines. We herein report a case of myocarditis following COVID-19 mRNA vaccination in a man. Cardiac magnetic resonance imaging (CMRI) revealed an area of high signal intensity on short T1 inversion recovery (STIR) and late gadolinium enhancement (LGE), which are characteristic of myocarditis. Follow-up CMRI performed six months later revealed improvement in the myocardial edema and LGE findings. CMRI is a useful non-invasive imaging modality for making an initial diagnosis as well as for follow-up in cases of myocarditis after COVID-19 mRNA vaccination.

Keywords: COVID-19 vaccine; cardiac magnetic resonance imaging (CMRI); myocarditis.
 
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