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Published on: May 25, 2017
Effects of alcohol on hemostasis
Raneem O Salem1, Michael Laposata
1Division of Laboratory Medicine, Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
American Journal of Clinical Pathology
|August 17, 2005
Summary
Moderate alcohol consumption may lower cardiovascular disease risk by positively impacting blood clotting and clot breakdown. This review examines ethanol
Area of Science:
- Cardiovascular Science
- Hemostasis Research
- Ethanol Metabolism
Background:
- Epidemiologic studies link moderate alcohol intake to reduced cardiovascular disease (CVD) risk.
- The precise mechanisms underlying this protective effect remain unclear.
- Hemostasis is a proposed pathway for alcohol's cardioprotective action.
Purpose of the Study:
- To review the effects of ethanol on platelet aggregation and activation.
- To summarize ethanol's impact on coagulation factors, including von Willebrand factor (vWF).
- To elucidate ethanol's influence on the fibrinolytic system.
Main Methods:
- Literature review of studies on ethanol and hemostasis.
- Analysis of research on platelet function, coagulation, and fibrinolysis.
- Synthesis of evidence regarding ethanol's systemic effects on blood clotting.
Main Results:
- Ethanol exhibits dual effects on platelets: partial activation and impaired function.
- Ethanol intake is associated with decreased levels of fibrinogen, factor VII, and vWF.
- Alcohol consumption enhances fibrinolysis through increased tissue plasminogen activator activity.
Conclusions:
- Ethanol's modulation of platelet function, coagulation factors, and fibrinolysis likely contributes to CVD risk reduction.
- Understanding these hemostatic effects provides insight into the moderate alcohol-CVD relationship.
- Further research is warranted to fully elucidate the complex interplay between ethanol and cardiovascular health.
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