Contact Force Guided Ablation Versus Conventional Pulmonary Vein Isolation for Paroxysmal Atrial Fibrillation

Inclusion Criteria: * Patients (\>=18 und \< 80 years) with symptomatic paroxysmal AF * At least one unsuccessful attempt of antiarrhythmic drug (betablocker or class I oder III). * Oral anticoagulation with phenprocoumone, warfarine or DOAKs for at least 4 weeks prior to ablation with weekly documented INR \> 2.. * Withdrawal of antiarrhythmic drugs at least 3 half times prior to ablation except amiodarone. Exclusion Criteria: * Left atrial thrombus * Contraindications for oral anticoagulation or adenosin