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Alcohol consumption patterns, beverage type, and long-term mortality among women survivors of acute myocardial infarction

Although moderate alcohol drinkers have lower rates of incident coronary artery disease than abstainers, much less is known about the health effects of different patterns of alcohol use in women with established coronary artery disease. In the Determinants of Myocardial Infarction Onset Study, 1,253 women hospitalised for acute myocardial infarction (MI) at 64 centers nationwide from 1989 to 1996 were followed for mortality through December 31, 2007. Of the women, 761 (61%) reported abstention in the year before their MIs, 280 (22%) reported consumption of <1 serving/week, 75 (6%) reported consumption of 1 to 3 servings/week, and 137 (11%) reported consumption of ≥3 servings/week. Using Cox proportional-hazards models, the associations between total weekly volume of consumption, drinking days per week, drinks per drinking day, and beverage type with 10-year mortality were investigated, adjusting for clinical and socioeconomic potential confounders.
Compared with abstention, adjusted hazard ratios were 0.66 (95% confidence interval 0.50 to 0.86) for <1 serving/week, 0.65 (95% confidence interval 0.38 to 1.11) for 1 to 3 servings/week, and 0.65 (95% confidence interval 0.38 to 1.11) for ≥3 servings/week (p for trend = 0.008). No differences were found by beverage type, and generally inverse associations of drinking frequency and quantity with mortality were found.
In conclusion, in women who survive MI, moderate drinking is associated with a decreased risk for mortality, with no clear differences on the basis of pattern or beverage type. These results suggest that women who survive MI need not abstain from alcohol.

Source: Alcohol Consumption Patterns, Beverage Type, and Long-Term Mortality Among Women Survivors of Acute Myocardial Infarction. Joshua I. Rosenbloom MPH, Kenneth J. Mukamal MD, MPH, Lauren E. Frost MD, Murray A. Mittleman MD, DrPH. Am J Cardiol. 2011 Oct 17.
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