Less dementia after catheter ablation for atrial fibrillation: a nationwide cohort study

Aims Accumulating evidence shows that atrial fibrillation (AF) is associated with an increased risk of dementia. Catheter ablation for AF prolongs the duration of sinus rhythm, thereby improving the quality of life. We investigated the association of catheter ablation for AF with the occurrence of dementia. Methods and results Using the Korean National Health Insurance Service database, among 194 928 adults with AF treated with ablation or...