A 59-year-old woman fell into cardiogenic shock due to acute myocardial infarction with total occlusion of the left anterior descending artery. Although intra-aortic balloon pump was inserted and a coronary stent was placed, she went into cardiopulmonary arrest and percutaneous veno-arterial extracorporeal membrane oxygenation (ECMO) was initiated. She was transferred to our hospital after drainage for pericardial effusion. Computed tomography revealed the drainage catheter lying through the right ventricular free wall and the ventricular septum, and leading into the left ventricle. She showed multiple organ failure and disseminated intravascular coagulation syndrome due to insufficient ECMO flow. Conversion to central ECMO after catheter removal was performed and her general condition improved; however, ventricular septal shunt remained. Repair of the perforation and ECMO removal was performed 15 days after the first operation. The combination of optimal mechanical circulatory support and the staged surgical repair contributed to her dramatic recovery.
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