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RECRUITING Not applicable ClinicalTrials.gov

Post-ablation Alcohol Impacts Arrhythmia Recurrence, Quality of Life and Cognition in AF

Sponsor: Texas Cardiac Arrhythmia Research Foundation • ClinicalTrials.gov ID: NCT05510167

Registry updated: 2026-09-14
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Description

Earlier studies have shown a dose-dependent relationship between alcohol intake and incident atrial fibrillation (AF) as well as a causal link with several risk factors for AF such as hypertension, obesity and sleep apnea. However, the effect of drinking (alcohol) on post-ablation outcome such as arrhythmia recurrence, quality of life (QoL) and cognitive function in AF patients is unclear. Therefore, we aim to find the answer for a very frequently asked question, "is it safe to continue drinking alcohol (at the pre-ablation level) following catheter ablation OR should the intake be reduced for better outcome?", in this randomized trial.

Interventions

  • Study arm (Behavioral)
    Participants will be asked to completely abstain from drinking or consume 2 or less drinks per week for 8 months following catheter ablation

Eligibility criteria

Inclusion Criteria: * AF patients that regularly consume \>5 alcoholic drink (\*12 g of pure alcohol/drink)/week * Paroxysmal or persistent AF * First catheter ablation History of alcohol-induced arrhythmia * Willing to sign the written informed consent Exclusion Criteria: * Binge drinkers (alcohol dependence) * Non-drinkers * LVEF \<35% * Psychiatric conditions * MoCA score ≤ 17 on Montreal Cognitive Assessment (MoCA) * Patients with established dementia * Medically unstable patients (acute/unstable or poorly controlled problems that would demand focused, relatively urgent or emergent medical attention) * Unwilling for alcohol-abstinence * Long-standing persistence AF * Patient under legal protection * Pregnancy

Conditions

Atrial Fibrillation

Locations

  • Texas Cardiac Arrhythmia Institute, St. David's Medical Center — Austin, Texas, United States
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record