Related Experiment Videos
Moderate alcohol consumption is associated with decreased platelet activity in patients presenting with acute
V L Serebruany1, D R Lowry, S Y Fuzailov
1Sinai Center for Thrombosis Research, Schapiro Research Building, Baltimore, Maryland 21215, USA. Heartdrug@aol.com.
Abstract:
Moderate alcohol consumption (MAC) and platelet inhibition have been independently associated with a reduced risk for the development of acute myocardial infarction (AMI). The effects of MAC on the initial platelet status in patients presenting with AMI are not elucidated. Here we sought to define the effects of MAC on platelet characteristics in AMI patients before applying any reperfusion strategies. The study was designed as an analysis within the cohort study in 23 patients with AMI enrolled in the GUSTO-III. Platelets were investigated by different techniques, including aggregometry, flow cytometry, and ELISA. MAC patients exhibited mild, but consistent, inhibition of platelet aggregability, surface receptor expression, and released substances as compared to non-alcohol consuming patients. These differences were significant for 5 microM ADP (p = 0.04), 10 microM ADP-induced aggregation (p = 0.02); P-selectin (p = 0.01), and PECAM-1 (p = 0.02) platelet-bound expression. Our study confirms that moderate alcohol consumption is associated with diminished platelet activation in patients presenting with AMI. The ability of MAC to favorably modulate the pre-reperfusion platelet status in such patients is of clinical importance, and further investigation in large-scale clinical trials seem warranted.
Insights
Moderate alcohol consumption (MAC) is linked to reduced platelet activation in acute myocardial infarction (AMI) patients. This finding suggests a potential benefit of MAC on pre-reperfusion platelet status in AMI.
Area of Science:
- Cardiology
- Hematology
- Pharmacology
Background:
- Moderate alcohol consumption (MAC) and platelet inhibition are independently linked to reduced acute myocardial infarction (AMI) risk.
- The impact of MAC on initial platelet status in AMI patients remains unclear.
Purpose of the Study:
- To investigate the effects of MAC on platelet characteristics in AMI patients prior to reperfusion therapy.
- To determine if MAC influences platelet aggregability and activation markers in AMI.
Main Methods:
- Analysis of 23 AMI patients from the GUSTO-III cohort study.
- Platelet function assessed using aggregometry, flow cytometry, and ELISA.
- Comparison of platelet parameters between MAC and non-alcohol consuming patients.
Main Results:
- MAC patients showed consistent, mild inhibition of platelet aggregability compared to non-consumers.
- Significant differences observed in ADP-induced aggregation and platelet-bound P-selectin and PECAM-1 expression.
- MAC was associated with diminished platelet activation markers.
Conclusions:
- Moderate alcohol consumption is associated with reduced platelet activation in AMI patients before reperfusion.
- MAC may favorably modulate pre-reperfusion platelet status in AMI.
- Further large-scale clinical trials are warranted to confirm these findings.