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Background Determining the treatment strategy for cardiogenic shock following ST-elevation myocardial infarction in a patient with severe aortic stenosis remains challenging and is a matter of debate. Case summary An 84-year-old man with chest pain was transferred to our institute and subsequently diagnosed with ST-elevation myocardial infarction and Killip class III heart failure. The patient was intubated, and urgent coronary angiography revealed severe tandem stenosis from the proximal to mid-left anterior descending coronary artery. We performed a primary percutaneous coronary intervention (PCI) and deployed drug-eluting stents from the left main trunk to mid-left anterior descending coronary artery. Although the procedure was successful, the patient went into cardiogenic shock a few hours later. Transthoracic echocardiography revealed low cardiac function and severe aortic stenosis. We decided to perform transcatheter aortic valve implantation using a self-expandable valve, followed by the insertion of a left ventricular assist device. The combination of procedures achieved haemodynamic stability. Discussion It is difficult to treat cardiogenic shock that develops in patients with severe aortic stenosis and ST-elevation myocardial infarction. This case report demonstrates that combined transcatheter aortic valve replacement using a self-expanding valve and left ventricular assist device placement can be safe and effective after a primary PCI.

european heart journal. case reports

Successful emergent transcatheter aortic valve implantation and left ventricular unloading by Impella in a patient with severe aortic stenosis who experienced cardiogenic shock after primary percutaneous coronary intervention for ST-elevation myocardial infarction: a case report