• Ya-Lei Niu, Nicola Patrick Mayr, Yin-Hwa Chen, Hsiao-Hwang Chang, Shi-Pu Wang, Hung-Yu Lin, and Ching-Chou Pai.
• Department of Cardiology, Chang Bing Show Chwan Memorial Hospital, Changhua 505, Taiwan.
• Medicina (Kaunas). 2022 Feb 28; 58 (3).

AbstractTranscatheter aortic valve implantation (TAVI) has evolved to be the treatment of choice for patients with severe aortic stenosis and high perioperative risk. Cardiogenic shock is one of the most severe complications during the TAVI procedure, especially as the prognosis of cardiogenic shock secondary to aortic stenosis is very poor. This situation can be challenging, while extracorporeal membranous oxygenation (ECMO) can be a treatment option. Here, we reported on an 88-year-old female patient who had been diagnosed as non-ST-elevation myocardial infarction (NSTEMI) and critical aortic valve stenosis (AS) with a logistic Euroscore of 25%. Percutaneous coronary angioplasty (PCI) was performed smoothly and developed tachy-brady arrhythmia of atrial fibrillation then cardiac arrest at the beginning of the TAVI procedure. A v-a ECMO was installed at her left femoral side. Afterward, the TAVI procedure was completed accordingly; her consciousness recovered and Levosimendan therapy enhanced her left-ventricular ejection fraction (LVEF) from 22% to 40%. Five days after TAVI, ECMO was replaced by intra-aortic balloon pumping (IABP) and it was removed 3 days later. A minor complication of this therapy, e.g., muscular weakness in her left leg, was noted. The patient underwent rehabilitation for about 2 months, and was discharged from hospital with a wheel chair and clear consciousness. At the 24 month follow-up she was in good recovery and was able to walk upstairs to the second floor again. Our experience suggests that one indication of prophylactic use of ECMO is for patients with an unstable hemodynamic condition.

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