Key result
ECMO and IABP with medical therapy linked to improved hemodynamics and LVEF in Influenza B myocarditis.
Why the study?
Acute fulminant myocarditis is a severe complication requiring early suspicion and intervention, and influenza B-induced myocarditis remains a relatively rare entity.
Early suspicion and aggressive intervention with mechanical circulatory support and medical therapy can lead to recovery in rare cases of Influenza B-induced acute fulminant myocarditis.
Supports early MCS with medical therapy in influenza B myocarditis; hypothesis-generating pending larger studies.
Acute fulminant myocarditis represents a severe complication of myocarditis, necessitating early suspicion and intervention for improved patient outcomes. Influenza B-induced myocarditis remains a relatively rare entity. A young lady presented to the emergency department with symptoms of heart failure and cardiogenic shock, requiring inotropes without significant improvement. For the continued deterioration of her hemodynamics, she underwent mechanical circulatory support, including Extracorporeal Membrane Oxygenation (ECMO) and Intra-aortic balloon pump (IABP). The follow-up investigations showed positive influenza B. She was treated with antiviral therapy and steroids, resulting in gradual improvement in hemodynamics and left ventricular ejection fraction
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Kannout et al. (2026) studied this question. Mechanical circulatory support (ECMO and IABP) alongside antiviral therapy and steroids improved hemodynamics and ejection fraction in Influenza B-induced fulminant myocarditis.
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