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Updated: Sep 27, 2025

Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
Published on: June 12, 2021
Successful cases of percutaneous left ventricular assist device "Impella" to fulminant myocarditis
Takayuki Hori1, Mitsuru Iida2,3, Masateru Uchiyama1
1Department of Cardiovascular Surgery, Teikyo University Hospital, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan.
Background:
Fulminant myocarditis (FM) is a form of severe inflammatory carditis with rapidly developing acute heart failure.
Case Presentation:
We report three cases of successful intensive treatment by Impella of FM without any complications. In all cases, impairment of microcirculation as measured by blood lactate level and the hemodynamic value as indicated by cardiac index were improved within 24-48 h and 7 days after Impella implantation, respectively. Interestingly, our data also suggested that treatment by Impella CP or 5.0 may lead to faster recovery of microcirculation and cardiac function than treatment by Impella 2.5.
Conclusion:
Our findings demonstrate that the appropriate selection of Impella devices guided by body surface area measurements may help to improve clinical outcomes of severe heart failure including FM.
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