Why the study?
Does chronic alcohol intake increase the risk of atrial fibrillation?
Does chronic alcohol intake increase the risk of atrial fibrillation?
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Chronic alcohol intake has a dose-dependent relationship with incident atrial fibrillation, and abstinence is the ideal treatment to reduce risk in AUD populations.
Alcohol use disorder (AUD) is highly prevalent and can lead to many cardiovascular complications, including arrhythmias. Chronic alcohol use has a dose-dependent relationship with incidence of atrial fibrillation (AF), where higher alcohol intake (>3 drinks a day) is associated with higher risk of AF. Meanwhile, low levels of chronic alcohol intake (<1 drink a day) is not associated with increased risk of AF. Mechanistically, chronic alcohol intake alters the structural, functional and electrical integrity of the atria, predisposing to AF. Increased screening can help identify AUD patients early on and provide the opportunity to educate on chronic alcohol use related risks, such as AF. The ideal treatment to reduce risk of incident or recurrent AF in AUD populations is abstinence.
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Mittal et al. (2021) studied this question.
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