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Reversal of dilated to hypertrophic cardiomyopathy after alcohol abstinence
Authors:Claudia St  llberger,Josef Finsterer
Affiliation:Claudia Stöllberger,Josef Finsterer
Abstract:
Left ventricular dilatation and systolic dysfunction develop in 14-16% of patients with hypertrophic cardiomyopathy. Such findings may easily be misdiagnosed as dilated cardiomyopathy. It is unknown whether left ventricular dilatation and systolic dysfunction in patients with hypertrophic cardiomyopathy are reversible. A 35-year-old man had been a heavy drinker for 13 years and was abstinent for 1 year. Five years previously he suffered cardiac arrest and, based on echocardiographic, radionuclide, and cardiac catheterization findings, the diagnosis of alcohol-induced dilated cardiomyopathy was established. At presentation the heart was of normal size, with concentric left ventricular hypertrophy and only slightly reduced systolic function. Hypertrophic cardiomyopathy was diagnosed since no other cause for left ventricular hypertrophy could be detected. In hypertrophic cardiomyopathy, alcohol may induce reversible systolic dysfunction and left ventricular dilatation.
Keywords:hypertrophic cardiomyopathy  dilated cardiomyopathy  alcoholism
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