PROSPective Evaluation of Outcome After CatheTer Ablation in Atrial Fibrillation

The ablation is performed under local anesthesia or general anesthesia. A transseptal puncture will be performed to access the left atrium. Pulmonary vein isolation will be performed as a first step. Additional lesions will be made at the discretion of the operators. Patients will receive anticoagulation for at least 3 months after the ablation. Treatment thereafter will be extended at the discretion of the treating physician.