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Updated: Nov 9, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
A narrative review of chronic alcohol-induced atrial fibrillation
Rea Mittal1, Lilly Su1, Devyani Ramgobin2
1School of Medicine, Pennsylvania State College of Medicine, Hershey, PA17033, USA.
Abstract:
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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