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

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...

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Bibliographic Details
Published in:Internal Medicine 2022/09/01, Vol.61(17), pp.2625-2629
Main Authors: Kawauchi, Hirotaka, Mitsuhashi, Yuya, Nakamura, Shin, Ogawa, Risa, Miyabe, Tomonori, Kato, Ken, Tanaka, Hiroyuki
Format: Article
Language:English
Subjects:
cardiac magnetic resonance imaging (CMRI)
Case Report
Case reports
Coronaviruses
COVID-19
COVID-19 vaccine
Edema
Gadolinium
Heart diseases
Internal medicine
Magnetic resonance imaging
mRNA
Myocarditis
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Summary: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.
ISSN:0918-2918
1349-7235
DOI:10.2169/internalmedicine.9797-22