Why the study?
Heavy alcohol consumption is a known risk factor for new-onset AF, but the relative importance of frequent drinking versus binge drinking is unclear.
Does frequent alcohol drinking increase the risk of new-onset atrial fibrillation compared to less frequent drinking in patients without prior AF?
Population
9 776 956 patients without AF in a national health check-up programme
Comparison
Different drinking frequencies and amounts per session vs drinking twice per week
Design
Nationwide population-based study
Authors
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Frequent drinking may raise new-onset AF risk more than binge drinking; extends large observational data but leaves causal inference open.
Does frequent alcohol drinking increase the risk of new-onset atrial fibrillation compared to less frequent drinking in patients without prior AF?
Frequent alcohol consumption is a more significant risk factor for new-onset atrial fibrillation than binge drinking, suggesting that avoiding frequent low-dose alcohol intake is important for AF prevention.
Kim et al. (2019) studied this question.
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