The Dysfunctional Right Ventricle in Dilated Cardiomyopathies: Looking from the Right Point of View

Maria L Iovănescu1,2, Diana R Florescu2,3, Andreea S Marcu1,2

  • 1Department of Cardiology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania.

Insights

Dilated cardiomyopathies (DCMs) involve the right ventricle (RV), impacting heart failure prognosis. Multimodality imaging, including cardiac magnetic resonance (CMR), is crucial for assessing RV function and guiding treatment in DCM patients.

Area of Science:

  • Cardiology
  • Cardiovascular Imaging
  • Heart Failure Research

Background:

  • Dilated cardiomyopathies (DCMs) are a primary myocardial disease and a leading cause of heart failure.
  • Left ventricular dilation and dysfunction are key determinants of adverse outcomes in DCM.
  • Right ventricular (RV) remodeling and dysfunction significantly worsen patient prognosis.

Purpose of the Study:

  • To provide a comprehensive overview of RV anatomy and function in DCM.
  • To review the pathophysiology, diagnosis, and prognostic value of RV dysfunction in DCM.
  • To highlight the role of multimodality imaging in evaluating RV involvement.

Main Methods:

  • Review of traditional and novel imaging techniques for RV assessment.
  • Focus on transthoracic echocardiography (TTE) and cardiac magnetic resonance (CMR).
  • Inclusion of advanced echocardiographic methods like speckle-tracking and 3D echocardiography.

Main Results:

  • RV functional assessment is paramount for DCM patient evaluation.
  • Multimodality imaging provides incremental prognostic and therapeutic information.
  • CMR is the gold standard for RV size and function assessment in DCM.

Conclusions:

  • RV dysfunction negatively influences DCM patient prognosis.
  • Integrative imaging approaches are essential for diagnosing RV involvement.
  • All DCM patients warrant at least one CMR evaluation for comprehensive RV assessment.

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