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A Meta-Analysis of Erectile Dysfunction and Alcohol Consumption
Shen Li1, Ju-Min Song1, Ke Zhang2
1Department of Medical Administration, The First Affiliated Hospital of Anhui Medical University, Hefei, China.
Urologia Internationalis
|September 14, 2021
Summary
This meta-analysis found a J-shaped link between alcohol intake and erectile dysfunction (ED) risk. Moderate alcohol consumption may lower ED risk, but chronic heavy drinking could cause vascular damage.
Area of Science:
- Urology
- Public Health
- Epidemiology
Background:
- Erectile dysfunction (ED) is a prevalent condition affecting men's health.
- The relationship between alcohol consumption and ED risk requires further clarification.
Purpose of the Study:
- To evaluate the association between alcohol consumption and the risk of developing erectile dysfunction (ED).
Main Methods:
- A comprehensive literature search was conducted on PubMed for studies published before June 2019.
- Data from eligible studies were extracted, and combined odds ratios (ORs) were calculated using random-effects models.
- Publication bias was assessed using Egger's test, and meta-regression analyses were performed to identify sources of heterogeneity.
Main Results:
- The meta-analysis included 46 studies with 216,461 participants, revealing a significant association between regular alcohol consumption and a reduced risk of ED (OR 0.89).
- Stratified analysis showed that light to moderate and high alcohol consumption were both associated with a similar reduced risk of ED (OR 0.82).
- A nonlinear, J-shaped relationship was observed between alcohol consumption and ED risk, with no significant publication bias or identifiable sources of heterogeneity.
Conclusions:
- A J-shaped relationship exists between alcohol consumption and erectile dysfunction risk.
- Moderate alcohol intake may offer protective effects, potentially due to disinhibition and relaxation.
- Chronic or excessive alcohol consumption may lead to vascular damage, increasing ED risk.
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