Abstract

There is growing attention for the study of the right ventricle in cardiovascular disease and in particular in heart failure. In this clinical setting, right ventricle dysfunction is a significant marker of poor prognosis, regardless of the degree of left ventricular dysfunction. Novel echocardiographic methods allow for obtaining a more complete evaluation of the right ventricle anatomy and function as well as of the related abnormalities in filling pressures. Specific and effective therapies for the right ventricle dysfunction are still not well defined and this represents the most difficult and important challenge. This article focuses on available diagnostic techniques for studying right ventricle dysfunction as well as on the therapies for right ventricle dysfunction.

Highlights

  • Sir Harvey was the first to describe the relevance of right ventricular function and to consider the right ventricle (RV), the pulmonary circulation, and the lungs as a single unit [1]

  • This is even more relevant if we consider that RV dysfunction plays a key role in hemodynamic and prognosis of patients affected by cardiovascular diseases and heart failure (HF) [2]

  • The RV function analysis must consider its relation with the afterload and it can be evaluated with the Emax to Ea ratio, which defines “right ventriculo-arterial coupling”

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Summary

Introduction

Sir Harvey was the first to describe the relevance of right ventricular function and to consider the right ventricle (RV), the pulmonary circulation, and the lungs as a single unit [1]. The development of new cardiac imaging methods made the study of the anatomy, physiology, and pathophysiology of the right heart, and pulmonary circulation, more feasible. This is even more relevant if we consider that RV dysfunction plays a key role in hemodynamic and prognosis of patients affected by cardiovascular diseases and heart failure (HF) [2]. In this last clinical setting, RV failure implies an increased risk of cardiac death, regardless of LV dysfunction degree [3]. We discuss RV structure and function, its pathophysiological role in HF, and the related diagnostic and therapeutic critical issues

Anatomy and Physiology of the Normal Right Ventricle
Right Ventricular Dysfunction and Ventriculo-Arterial Uncoupling
Strain and Strain Rate Imaging
Echocardiographic Measures of Right Ventriculo-Arterial Uncoupling
RAAS Inhibition
Beta-Blockers
Volume Management
Pressure Overload
Right Ventricular Function and Resynchronization Therapy
Right Ventricular Function and Left Ventricular Assistance Device
Right Ventricular Mechanical Circulatory Support
Conclusions
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