Annals of internal medicine · 2002
Angiotensin-converting enzyme gene polymorphism is associated with vulnerability to alcoholic cardiomyopathy.
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Fernández-Solà Joaquim, Nicolás Josep María, Oriola Josep, Sacanella Emilio, Estruch Ramón, Rubin Emanuel, Urbano-Márquez Alvaro
Аннотация
BACKGROUND: Chronic alcohol abuse has a dose-dependent toxic effect on the myocardium, leading to alcoholic cardiomyopathy. The fact that only a minority of persons with chronic alcoholism have this condition suggests the possibility of a genetic vulnerability. In this context, polymorphism of the angiotensin-converting enzyme (ACE) gene has been implicated in cardiac dysfunction.
OBJECTIVE: To compare the ACE genotypes of alcoholic persons who have cardiomyopathy with those of comparable alcohol abusers who have normal cardiac function.
DESIGN: Case-control study over a 2-year period.
SETTING: An academic tertiary referral hospital in Barcelona, Spain.
PATIENTS: 30 alcoholic men with symptomatic cardiomyopathy and 27 alcoholic men with normal cardiac function.
MEASUREMENTS: Ethanol intake, cardiac status, left ventricular ejection fraction (LVEF), and ACE gene polymorphism.
RESULTS: The DD ACE genotype was present in 57% of alcoholic persons with an LVEF less than 0.50 and in 7% of those with normal cardiac function. Compared with persons who had an I allele, the odds ratio for development of left ventricular dysfunction in alcoholic persons with the DD genotype was 16.4.
CONCLUSIONS: Vulnerability to cardiomyopathy among chronic alcohol abusers is partially genetic and is related to presence of the ACE DD genotype. This finding demonstrates genetic susceptibility to alcohol-induced myocardial damage.
OBJECTIVE: To compare the ACE genotypes of alcoholic persons who have cardiomyopathy with those of comparable alcohol abusers who have normal cardiac function.
DESIGN: Case-control study over a 2-year period.
SETTING: An academic tertiary referral hospital in Barcelona, Spain.
PATIENTS: 30 alcoholic men with symptomatic cardiomyopathy and 27 alcoholic men with normal cardiac function.
MEASUREMENTS: Ethanol intake, cardiac status, left ventricular ejection fraction (LVEF), and ACE gene polymorphism.
RESULTS: The DD ACE genotype was present in 57% of alcoholic persons with an LVEF less than 0.50 and in 7% of those with normal cardiac function. Compared with persons who had an I allele, the odds ratio for development of left ventricular dysfunction in alcoholic persons with the DD genotype was 16.4.
CONCLUSIONS: Vulnerability to cardiomyopathy among chronic alcohol abusers is partially genetic and is related to presence of the ACE DD genotype. This finding demonstrates genetic susceptibility to alcohol-induced myocardial damage.