- The higher the number of years in which young adults consume moderately to heavily, the higher their risk of stroke, especially the risk of hemorrhagic stroke.
Why this matters
- Stroke in young adulthood is associated with a significant Morbidity and mortality and socioeconomic impact.
Study design
- Korean, nationwide population-based cohort study with 1,536,668 adults aged 20–39 years that underwent 4-_ annual health examinations in 2009–2012.
- Participants were assigned one point for each year of moderate to heavy alcohol consumption (≥ 105 g/week), resulting in a cumulative alcohol load value of 0–4.
- Main result: Emerging stroke
- Funding: Korea Medical Device Development Fund, other sponsors
Key results
- During median follow-up of 6 years, 0.21 % of young adults had a stroke, resulting in an incidence rate of 0.37 per 1,000 person-years.
- Compared to peers with a cumulative alcohol load value of 0 young adults with a value of 2, 3 and 4 had a value of 19 %, 22 % and 19 %, respectively.23 % higher risk of stroke.
- This association was mainly caused by hemorrhagic strokes and not ischemic strokes.
- Compared to peers with a cumulative alcohol load value of 0 young adults with a score of 2, 3 and 4 had a 30 %, 42 % and 36 % higher risk of hemorrhagic stroke, respectively.
- The effect of a higher score was attenuated in young adults who were hypertensive or a BMI in the obese range.
- When gender-specific alcohol consumption was taken into account instead, the associations were not significant in women.
Restrictions
- Results may not be transferable to other groups of people.
- Self-statements may have been influenced by memory distortion.
- The group with a score of 0 drank lightly.
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