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[PDF: Members Only] J.Jpn. Surg. Soc.. 121(6): 606-612, 2020
Feature topic
THE IMPELLA PERCUTANEOUS MICROAXIAL BLOOD PUMP CATHETER
The Impella is a newly developed microaxial blood pump catheter that can be placed in the left ventricle (LV) via the peripheral arteries, allowing the LV to be unloaded by ejecting blood to the ascending aorta. It has been used as a less-invasive LV assist device in more than 1,800 patients with cardiogenic shock in the past 2.5 years since its approval in Japan. Initial clinical data demonstrated that 78％ of patients supported by the Impella alone recovered and survived after weaning from Impella support. Our experience in 50 patients indicated that it improved not only cardiac output but also cardiac function, which resulted in cardiac recovery in all fulminant myocarditis patients. Technical advances in less-invasive mechanical circulatory support systems may play important roles in cardiac surgery as well as cardiology.
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