PE-386 Clinical Predictor of Repeated Sessions after Atial Fibrillation Substrate Ablation for Chronic Atrial Fibrillation : Analysis Electrophysiological Parameter during Ablation(PE065,Atrial/Supraventricular Arrhythmia (Clinical/Treatment) 3 (A),Poster Session (English),The 73rd Annual Scientific Meeting of the Japanese Circulation Society)