Figure 4From: Ablation of atrial fibrillation with the Epicor system: a prospective observational trial to evaluate safety and efficacy and predictors of success Preoperative atrial fibrillation and percentage of patients with sinus rhythm postoperatively. Paroxysmal atrial fibrillation differs significantly from both persistent and long standing persistent atrial fibrillation, whereas no difference exists between persistent and long standing persistent atrial fibrillation.Back to article page