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Review
. 2022 Nov 24:9:1068707.
doi: 10.3389/fcvm.2022.1068707. eCollection 2022.

Key questions about aortic insufficiency in patients with durable left ventricular assist devices

Affiliations
Review

Key questions about aortic insufficiency in patients with durable left ventricular assist devices

Eliza Calin et al. Front Cardiovasc Med. .

Abstract

The development of the latest generation of durable left ventricular assist devices (LVAD) drastically decreased adverse events such as pump thrombosis or disabling strokes. However, time-related complications such as aortic insufficiency (AI) continue to impair outcomes following durable LVAD implantation, especially in the context of long-term therapy. Up to one-quarter of patients with durable LVAD develop moderate or severe AI at 1 year and its incidence increases with the duration of support. The continuous regurgitant flow within the left ventricle can compromise left ventricular unloading, increase filling pressures, decrease forward flow and can thus lead to organ hypoperfusion and heart failure. This review aims to give an overview of the epidemiology, pathophysiology, and clinical consequences of AI in patients with durable LVAD.

Keywords: aortic insufficiency; durable left ventricular assist devices; heart failure; mechanical circulatory support (MCS); pathophysiology; valvular heart disease.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

FIGURE 1
FIGURE 1
Key answers about aortic insufficiency in patients with durable left ventricular assist device. Hemodynamic effects of left ventricular assist devices (LVAD) with aortic insufficiency. Adapted with permission from Noly et al. (53).

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