Bionic women and men - Part 3: Right ventricular dysfunction in patients implanted with left ventricular assist devices.

Experimental Physiology
Manreet KanwarWilliam K Cornwell

Abstract

What is the topic of this review? Right heart dysfunction remains a major adverse event in patients with end stage heart failure undergoing left ventricular assist device placement. This article reviews the pathophysiology and clinical considerations of right heart failure in this patient population. What advances does it highlight? This review highlights the anatomic and physiological peculiarities of the interplay between left and right heart function in patients undergoing LVAD therapy. These would allow us to further advance our understanding of right ventricular function. The adaptation of the right ventricular (RV) output to a left ventricular assist device (LVAD) often determines the fate of patients with pulmonary hypertension secondary to left heart failure. Pre-existing right heart dysfunction in patients with advanced left heart failure is the consequence of increased (arterial) afterload and not simply the consequence of myocardial disease. If unaccounted for, it has the potential of accelerating into clinical right heart failure after LVAD, leading to significant morbidity and mortality. After LVAD implantation, the RV has to face increased flow generated by the LVAD, cardiac arrhythmias and exaggerated functional ...Continue Reading

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Citations

May 1, 2020·Experimental Physiology·Eric J Stöhr, Barry J McDonnell
Mar 16, 2021·Circulation. Heart Failure·Manreet K KanwarDaniel Burkhoff

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