Alcohol Consumption Is Associated With Postablation Recurrence but Not Changes in Atrial Substrate in Patients With Atrial Fibrillation: Insight from a High-Density Mapping Study.

ABSTRACT: Background The association between alcohol consumption, atrial substrate, and outcomes after atrial fibrillation (AF) ablation remains controversial. This study evaluated the impacts of drinking on left atrial substrate and AF recurrence after ablation. Methods and Results We prospectively enrolled 110 patients with AF without structural heart disease (64±12 years) from 2 institutions. High-density left atrial electroanatomic mapping was performed using a high-density grid multipolar catheter. We investigated the impact of alcohol consumption on left atrial voltage, left atrial conduction velocity, and AF ablation outcome. Patients were classified as abstainers (<1 drink/wk), mild drinkers (1-7 drinks/wk), or moderate-heavy drinkers (>7 drinks/wk). High-density mapping (mean 2287±600 point

SUBMITTER: Sagawa Y 

PROVIDER: S-EPMC9333400 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature