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Left Ventricular Unloading During Extracorporeal Life Support: Current Practice. | LitMetric

Left Ventricular Unloading During Extracorporeal Life Support: Current Practice.

J Card Fail

Divisions of General and Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College Medicine, Houston, Texas; Department of Cardiovascular Surgery, Texas Heart Institute, Houston, Texas.

Published: August 2022

AI Article Synopsis

Article Abstract

Venoarterial extracorporeal life support (VA-ECLS) is a powerful tool that can provide complete cardiopulmonary support for patients with refractory cardiogenic shock. However, VA-ECLS increases left ventricular (LV) afterload, resulting in greater myocardial oxygen demand, which can impair myocardial recovery and worsen pulmonary edema. These complications can be ameliorated by various LV venting strategies to unload the LV. Evidence suggests that LV venting improves outcomes in VA-ECLS, but there is a paucity of randomized trials to help guide optimal strategy and the timing of venting. In this review, we discuss the available evidence regarding LV venting in VA-ECLS, explain important hemodynamic principles involved, and propose a practical approach to LV venting in VA-ECLS.

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Source
http://dx.doi.org/10.1016/j.cardfail.2021.12.002DOI Listing

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