Comparison of Single Groin and Single Trans-septal Puncture and Conventional Bilateral Groin Puncture and Double Trans-septal Puncture in Catheter Ablation for Atrial Fibrillation

Inclusion Criteria: 1. Patients agreement of consent 2. Patients who age more than 19 3. patients who undergoing catheter ablation of atrial fibrillation 4. Patients who are not vascular disease Exclusion Criteria: 1. patients who do not agree with study inclusion 2. persistent AF 3. Patients with vascular disease or venous anomaly 4. Patients with structural abnormality of the heart