Six recurrences of myocarditis in 3 years: A case report
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A recent study revealed that recurrence of myocarditis occurs in a significant proportion of patients, but multiple recurrences of myocarditis have rarely been reported. The pathophysiology and best treatments for multiple recurrences of myocarditis remain unclear.

A 60-year-old man presented to our emergency department with fever and chest pain. Physical examination, imaging, and laboratory findings were consistent with fulminant myocarditis. Paired titers confirmed adenovirus infection. The patient was treated with intra-aortic balloon pump and percutaneous cardiopulmonary support for 7 days and was discharged with near-normal electrocardiographic and echocardiographic findings on day 26.

Over the subsequent 3 years, the patient experienced six episodes of recurrence of myocarditis with a progressive decrease in his ability to perform activities of daily living. At the time of his sixth recurrence, he died of ventricular fibrillation. Autopsy revealed mild enlargement of the left ventricle, extensive inflammatory cell infiltration, and mild interstitial fibrosis, suggesting left ventricle remodeling because of repetitive myocarditis.

This is a case of multiple recurrences of myocarditis. This is the largest number of recurrences in a single patient reported to date. Further studies are needed to elucidate the underlying pathogenesis and best treatment of this condition.

Source: https://www.sciencedirect.com/science/article/abs/pii/S1878540920301390?dgcid=rss_sd_all
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