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How do you intervene with hemolysis in a left ventricular assist device?

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As of 2016, surgeons intervene with hemolysis in a left ventricular assist device by providing temporary circulatory support, including venoarterial extracorporeal membrane oxygenation, intra-aortic balloon pumps and percutaneous left ventricular assist devices, according to Cath Lab Digest. Pump thrombosis can cause a malfunction in a left ventricular assist device. Signs of possible malfunction include lab test evidence showing hemolysis, premature destruction of red blood cells resulting in hemoglobin in the blood plasma.

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Full Answer

Patients with dysfunctional left ventricular assist devices may experience hemodynamic instability as a result, explains Cath Lab Digest. The TandemHeart centrifugal pump is a palm-sized, temporary left ventricular assist device that provides oxygenated blood the body needs, according to CardiacAssist. Cardiologists in cardiac catheterization labs or operating room cardiovascular surgeons can implement the pump outside of the body, according to the Texas Heart Institute. The 8-ounce device supports the heart for up to two weeks, allowing the muscle to grow stronger, and functions as a bridge to an alternative cardiovascular solution, notes the Texas Heart Institute.

Study results published in February 2008 show that venoarterial extracorporeal membrane oxygenation to provide cardiopulmonary support is a well-established and adequate treatment option for cardiac patients, whether cardiovascular surgeons use it alone or with intra-aortic balloon pumps, according to PubMed.

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