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Left Ventricular Assist Device.

Michael K Wood¹

¹Peninsula Hospital Medical Center, Burlingame, California.

Surgical Technology International

|June 6, 2017

Summary

Left ventricular assist devices (LVADs) support heart function when ventricles fail, offering temporary circulatory support. These advanced devices are used for recovery or as a bridge to heart transplantation.

Area of Science:

Cardiovascular Medicine
Biomedical Engineering

Background:

Left ventricular assist devices (LVADs) have seen increased use since the late 1980s.
Technological advancements have reduced thrombogenicity and device size, enhancing applicability.
LVADs provide partial circulatory support, unlike cardiopulmonary bypass.

Purpose of the Study:

To describe the function and application of left ventricular assist devices (LVADs).
To highlight the role of LVADs in temporary circulatory support and as a bridge to transplantation.

Main Methods:

Review of the historical development and technological improvements of LVADs.
Definition and differentiation of LVAD function from cardiopulmonary bypass.

Main Results:

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LVADs support circulation for hours to weeks in cases of ventricular failure.
Improved technology has made LVADs less thrombogenic and smaller.
LVADs can facilitate potential ventricular function recovery.

Conclusions:

LVADs are crucial for managing acute heart failure.
These devices serve a dual purpose: supporting failing ventricles and bridging patients to heart transplantation.