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Revista argentina de cardiología
On-line version ISSN 1850-3748
Abstract
MENDEZ, Ricardo J. et al. Clinical Presentation and Echocardiographic Characteristics of Patients with Left Ventricular Noncompaction. Rev. argent. cardiol. [online]. 2013, vol.81, n.6, pp.480-485. ISSN 1850-3748.
Left ventricular noncompaction is a primary genetic cardiom-yopathy caused by arrest of normal embryogenesis of the endocardium and myocardium. This anomaly is frequently associated with arrhythmias, heart failure and thromboem-bolic events. The goal of the present study was to describe the clinical presentation and the electrocardiographic and echocardiographic characteristics of patients with this cardiomyopathy. Twenty-two patients with left ventricular noncompaction detected by echocardiography between July 2004 and April 2009 were analyzed. Electrocar di ogram and transthoracic Doppler echocardiography was performed to all the patients, and 12 patients underwent 24-hour Holter monitoring. Weight, height and body mass index were calculated and compared with 66 patients distributed in three groups of 22 patients each: 1) control group without heart disease, 2) hypertrophic cardiomyopathy; and 3) idiopathic dilated cardiomyopathy. In the population with left ventricular noncompaction, fe-male gender prevailed, lower weight and body mass index was observed and dyspnea was the most common symptom. The electrocardiogram showed sinus rhythm, conduction distur-bances and repetitive ventricular arrhythmia. Transthoracic echocardiography showed different degrees of systolic and diastolic left ventricular dysfunction with areas of noncom-paction in the mid and apical inferior, posterior and lateral segments; intraventricular thrombi were occasionally seen and sometimes associated with coronary artery fistulas.
Keywords : Echocardiography; Cardiomyopathies; Body Mass Index.