Copyright © 1988 by the European Society of Cardiology.
© 1988 The European Society of Cardiology
Ventricular dimensions and wall motion assesed by echocardiography in patients with arrhythmogenic right ventricular dysplasia
*Division of Cardiology, Medical Department I, Sahlgren's Hospital Gothenburg, Sweden
Department of Clinical physiology Sahlgren's Hospital Gothenburg, Sweden
Department of Statistics, University of Gothenburg Gothenburg, Sweden
Received 7 March 1988; revised 10 June 1988; .
Address for reprintCarina Blomström-Lundqvist, Division of Cardiology, Medical Department I, Sahlgren's Hospital, S-413 45 Gothenburg, Sweden.
Abstract
Twenty patients with arrhythmogenic right ventricular dysplasia (ARVD) and 20 helthy volunteers underwent cross-sectional echocardiographic examination for the assessment of ventricular dimensions and wall motion. Right ventricular cavity diameters and wall segments from the inflow and outflow tracts and the right ventricular body.
The measurements eroor for measuring cavity dimensions was low throughout and the reproducibility of wall motion scoring was high in both the normal subjects and the patients. All except one patient had increased dimensions and/or abnormal wall motion in the right ventricle. The right ventricular inflow tract was dilated in nine patients, the outflow tract in 11 patients and the short-or long-axis diameters of the right ventricular body were increased in seven patients, Right ventricular wall motion abnormalities, being the most frequent finding, ranged from mild hypokinesia only to dyskinesia or sacculations, and were fairly evenly distributed among the segments studied. Left ventricular abnormalities, found in eight patients, were generally mild. Cross-sectional echocardiology thus provides highly reproducible measurements of right ventricular size and contraction patterns even in patients with wall shape deformities, and is thérefore a feasible non-invasive method for the evaluation of right-sided myocardial abnormalities in patients with ARVD. The diagnostic accuracy of this technique warrants further clarification.
Key Words: Ventricular tachycardia, • cardiomyopathy, • right ventricle.
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