alexa Phenotypic Patterns of Right Ventricular Dysfunction. Analysis by Cardiac Magnetic Resonance Imaging | OMICS International | Abstract
ISSN: 2155-9880

Journal of Clinical & Experimental Cardiology
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Research Article

Phenotypic Patterns of Right Ventricular Dysfunction. Analysis by Cardiac Magnetic Resonance Imaging

Ignacio J Sánchez-Lázaro*, Luis Almenar Bonet, Begoña Igual Muñoz, Joaquín Rueda-Soriano PhD, Luis Martínez-Dolz, Esther Zorio-Grima, Miguel Ángel Arnau-Vives and Antonio Salvador-Sanz
Heart Failure and Transplantation Unit, Cardiology Department, Hospital Universitari i Politècnic La Fe. Avda, Bulevar Sur s/n. 46026, Valencia, Spain
Corresponding Author : Ignacio J Sánchez-Lázaro
ERESA. Avda. Bulevar Sur s/n, 46026, Valencia, Spain
Tel: +34961245851
Fax: +34961246237
E-mail: [email protected]
Received: August 16, 2012; Accepted: September 12, 2012; Published: September 14, 2012
Citation: Lázaro IJS, Bonet LA, Muñoz BI, Soriano JR, Dolz LM, et al. (2012) Phenotypic Patterns of Right Ventricular Dysfunction. Analysis by Cardiac Magnetic Resonance Imaging. J Clin Exp Cardiolog 3:212. doi:10.4172/2155-9880.1000212
Copyright: © 2012 Lázaro IJS. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Objectives: To classify by magnetic resonance imaging (MRI) the morphological changes and remodeling of the right ventricle (RV) that occur in the different clinical scenarios that have impact on this ventricle. Background: Most of the scientific evidence in cardiology has traditionally focused on the left ventricle (LV). As a result, there are few studies focusing on the analysis of RV behavior and remodeling. Methods: This was a descriptive study evaluating all cardiac MRI exams performed at our center from 2008 to 2010. We retrospectively identified 159 patients who had some sign of right ventricular dysfunction (RVD) based on MRI findings. We classified patients based on a combination of criteria for RVD and the presence of left ventricle dysfunction (LVD). We considered RVD as any of the following abnormalities: 1) Depressed RV function; 2) RV dilatation; 3) RV hypertrophy. LVD was considered when there was atrial dilatation, LV hypertrophy, LV dilatation and/or depressed LV function. Results: We obtained 6 pathophysiologic patterns: RV pressure overload (1.9%), RV volume overload (15.7%), RV volume overload + LVD (32.7%), depressed RV function + LVD (42.1%), mixed RV overload + LVD (6.9%) and other (0.6%). By etiologies, the most frequent etiology was congenital heart disease (33.3%), followed by idiopathic dilated cardiomyopathy (18.2%), left valvular disease (17.6%), ischemic heart disease (15%), pulmonary disease (9.8%), and other (6.1%). Conclusions: This study helps to classify the different patterns that the RV can adopt in different clinical scenarios and thus help us to understand the pathophysiology of the RV

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