Characteristics of atrial fibrillation patients suffering atrioesophageal fistula after radiofrequency catheter ablation.

Posterior wall of LA near left inferior pulmonary vein was the most vulnerable location for AE fistula. Pulmonary vein isolation was the main lesion set associated with AE fistula and old age, low body weight, and high CHA2 DS2 -VASc score were significant risk factors for AE fistula.