Key result
The use of circulatory assist devices and antiviral therapy successfully supported the survival and cardiac recovery of a patient with a rare case of repetitive fulminant influenza myocarditis.
Case Report (n=1)
No
This case demonstrates that fulminant viral myocarditis can occur recurrently with different influenza strains and can be successfully managed with mechanical circulatory support.
Recurrent influenza may trigger fulminant myocarditis with severe LV dysfunction in patients with prior episodes; hypothesis-generating and needs prospective confirmation.
A 52-year-old man was admitted to our hospital due to shortness of breath that developed one week after the diagnosis of influenza infection. He had a past history of myocarditis associated with influenza B infection 16 years before the current admission. The patient's left ventricular function showed diffuse hypokinesis with a left ventricular ejection fraction of 28%. Due to the progression of heart failure, the infusion of catecholamines and insertion of an intra-aortic balloon pump were required. The patient was discharged uneventfully on the 23rd hospital day. A significant increase in the serum antibody titer against influenza A virus subtype H3N2 led to a diagnosis of recurrent fulminant influenza myocarditis.
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Yoshimizu et al. (2014) conducted a case report in Repetitive fulminant influenza myocarditis (n=1). Circulatory assist devices (IABP, PCPS) and antiviral therapy was evaluated on Clinical recovery and survival. The use of circulatory assist devices and antiviral therapy successfully supported the survival and cardiac recovery of a patient with a rare case of repetitive fulminant influenza myocarditis.
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