Impella to unload the left ventricle in patients undergoing venoarterial extracorporeal membrane oxygenation for cardiogenic shock: A systematic review and meta-analysis.

Background And Aim: Impella is frequently used to unload the left ventricle in patients with cardiogenic shock on venoarterial extracorporeal membrane oxygenation (VA-ECMO). There is limited data regarding the use of this strategy. This study aims to evaluate the safety and efficacy of the said strategy.