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Published on: June 23, 2023
Alcohol and cardiovascular diseases
1Kaiser Permanente Oakland Medical Center, 280 West MacArthur Boulevard, Oakland, CA 94611, USA. arthur.klatsky@kp.org
Expert Review of Cardiovascular Therapy
|May 8, 2009
Summary
Heavy alcohol consumption increases cardiovascular risks, including heart failure and stroke. Light-to-moderate drinking, however, may lower risks for coronary artery disease (CAD) and ischemic stroke.
Area of Science:
- Cardiovascular epidemiology
- Alcohol's health effects
Background:
- Epidemiologic studies link alcohol consumption to cardiovascular outcomes.
- Heavy drinking is associated with increased cardiovascular risks.
- Light-to-moderate drinking may offer protective cardiovascular benefits.
Purpose of the Study:
- To review the association between alcohol consumption and cardiovascular disorders.
- To differentiate risks and benefits based on drinking levels (heavy vs. light-to-moderate).
- To explore potential mechanisms for alcohol's cardiovascular effects.
Main Methods:
- Review of epidemiologic studies on alcohol and cardiovascular disease.
- Analysis of cardiovascular risks associated with heavy alcohol intake.
- Evaluation of protective effects of light-to-moderate drinking on coronary artery disease (CAD) and stroke.
Main Results:
- Heavy alcohol consumption is linked to increased risks of cardiomyopathy, hypertension, arrhythmias, hemorrhagic stroke, and heart failure.
- Light-to-moderate drinking shows no increased risk for cardiovascular conditions and is associated with reduced risk of CAD, ischemic stroke, and CAD-related heart failure.
- Ethyl alcohol may have plausible biological mechanisms for a protective effect on CAD.
Conclusions:
- Alcohol's impact on cardiovascular health is dose-dependent, with heavy drinking posing significant risks.
- Light-to-moderate alcohol intake may be associated with cardiovascular benefits, particularly concerning CAD and ischemic stroke.
- Individualized health advice on alcohol consumption is necessary, considering personal risk factors and benefits.
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