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Published in: Current Heart Failure Reports 2/2018

01-04-2018 | Pathophysiology of Myocardia Failure (I. Anand and M. Patarroyo Aponte A., Section Editors)

Right Ventricular Dysfunction and Its Contribution to Morbidity and Mortality in Left Ventricular Heart Failure

Authors: Amresh Raina, Talha Meeran

Published in: Current Heart Failure Reports | Issue 2/2018

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Abstract

Purpose

In patients with left-sided HF, there has been less emphasis on the pathophysiology of the RV in terms of diagnostic evaluation and treatment, versus focus on structural abnormalities of the LV. This review seeks to delineate the importance of RV dysfunction in terms of its contribution to symptomatic limitations and cardiovascular outcomes in patients with left-sided HF.

Recent Findings

Recent studies have demonstrated that RV dysfunction is common in both HFpEF and HFrEF, but more pronounced in HFrEF. LV dysfunction and atrial fibrillation are most commonly associated with RV dysfunction in left-sided HF. RV dysfunction may develop due to afterload-dependent and afterload-independent pathways. Regardless, RV dysfunction is strongly associated with functional limitations and worsened survival in patients with left-sided HF. In patients with HFpEF, a recent study showed that RV failure was the most common cause of overall mortality. Among LVAD patients and patients post-cardiac transplantation, RV dysfunction is also strongly associated with survival. Despite a number of previous and ongoing clinical trials that target the RV directly or decrease RV afterload in left-sided HF, there are no definitive therapies specifically targeting RV dysfunction in left-sided HF patients

Conclusions

RV dysfunction is an important determinant of symptomatic limitations and cardiovascular outcomes in patients with left-sided HF. Further research is needed to developed pharmacotherapy that may target the RV specifically in left-sided HF patients.
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Metadata
Title
Right Ventricular Dysfunction and Its Contribution to Morbidity and Mortality in Left Ventricular Heart Failure
Authors
Amresh Raina
Talha Meeran
Publication date
01-04-2018
Publisher
Springer US
Published in
Current Heart Failure Reports / Issue 2/2018
Print ISSN: 1546-9530
Electronic ISSN: 1546-9549
DOI
https://doi.org/10.1007/s11897-018-0378-8

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Year in Review: Pediatric cardiology

Watch Dr. Anne Marie Valente present the last year's highlights in pediatric and congenital heart disease in the official ACC.24 Year in Review session.

Year in Review: Pulmonary vascular disease

The last year's highlights in pulmonary vascular disease are presented by Dr. Jane Leopold in this official video from ACC.24.

Year in Review: Valvular heart disease

Watch Prof. William Zoghbi present the last year's highlights in valvular heart disease from the official ACC.24 Year in Review session.

Year in Review: Heart failure and cardiomyopathies

Watch this official video from ACC.24. Dr. Biykem Bozkurt discusses last year's major advances in heart failure and cardiomyopathies.