Arrhythmogenic right ventricular cardiomyopathy and fatty replacement of the right ventricular myocardium: Are they different diseases?

The relationship between arrhythmogenic right ventricular cardiomyopathy (ARVC) and pure fat replacement of the right ventricle is unclear. Myocardial thickness, epicardial fat thickness, percent fibrosis, and intramyocardial fat infiltration were measured in 16 sections each from 25 hearts with typ...

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Bibliographic Details
Published in:	Circulation (New York, N.Y.) N.Y.), 1998-04, Vol.97 (16), p.1571-1580
Main Authors:	BURKE, A. P, FARB, A, TASHKO, G, VIRMANI, R
Format:	Article
Language:	eng
Subjects:	Adipose Tissue - pathology Adult Arrhythmogenic Right Ventricular Dysplasia - diagnosis Arrhythmogenic Right Ventricular Dysplasia - etiology Arrhythmogenic Right Ventricular Dysplasia - pathology Autopsy Biological and medical sciences Cardiac dysrhythmias Cardiology. Vascular system Cardiomyopathies - diagnosis Cardiomyopathies - pathology Death, Sudden, Cardiac Diagnosis, Differential Female Heart Heart Ventricles - pathology Humans Male Medical sciences Middle Aged
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Summary:	The relationship between arrhythmogenic right ventricular cardiomyopathy (ARVC) and pure fat replacement of the right ventricle is unclear. Myocardial thickness, epicardial fat thickness, percent fibrosis, and intramyocardial fat infiltration were measured in 16 sections each from 25 hearts with typical (fibrofatty) ARVC, 7 hearts with fat replacement of the right ventricle without fibrosis (FaRV), and 18 control hearts from patients who died of noncardiac causes. Patients with fibrofatty ARVC were younger than those with FaRV (31+/-14 versus 44+/-13 years, P=.02), more likely to have a history of arrhythmias or a family history of premature sudden death (56% versus 0%, P=.01), more likely male (80% versus 29%, P=.02), and less likely to have coexisting conditions that might have predisposed to sudden death (12% versus 86%, P
ISSN:	0009-7322 1524-4539