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Medline ® Abstract for Reference 15

of 'Alcoholic cardiomyopathy'

The association of alcohol consumption and incident heart failure: the Cardiovascular Health Study.
Bryson CL, Mukamal KJ, Mittleman MA, Fried LP, Hirsch CH, Kitzman DW, Siscovick DS
J Am Coll Cardiol. 2006;48(2):305. Epub 2006 Jun 22.
OBJECTIVES: We investigated the association between alcohol consumption and incident congestive heart failure (CHF) both overall and after adjusting for incident myocardial infarction (MI).
BACKGROUND: Moderate alcohol consumption has been associated with lower risk of CHF and MI.
METHODS: The Cardiovascular Health study, a prospective cohort study of cardiovascular disease risk factors and outcomes, followed 5,888 subjects>or =65 years old for 7 to 10 years. Cox models were used to estimate the adjusted risk of CHF by reported alcohol consumption.
RESULTS: There were 5,595 subjects at baseline at risk for incident CHF with alcohol data and 1,056 events during follow-up. Compared with abstainers, the adjusted risk of CHF was lower among subjects who reported consuming 1 to 6 drinks per week (hazard ratio [HR]0.82, 95% confidence interval [CI]0.67 to 1.00, p = 0.05) and 7 to 13 drinks per week (HR 0.66, 95% CI 0.47 to 0.91, p = 0.01). Time-dependent adjustment for incident MI altered only slightly the association between moderate alcohol consumption and CHF (for 1 to 6 drinks per week, HR 0.84, 95% CI 0.65 to 1.04; for 7 to 13 drinks per week, HR 0.69, 95% CI 0.49 to 0.99). Baseline former drinkers had a higher risk of CHF than abstainers (HR 1.51, p<0.01), but those who quit during the study did not have a higher risk (HR 0.83, 95% CI 0.66 to 1.03).
CONCLUSIONS: Moderate alcohol use is associated with a lower risk of incident CHF among older adults, even after accounting for incident MI and other factors.
Cardiovascular Health Research Unit, University of Washington, Seattle, Washington, USA.