Inclusion Criteria:  • Patient with paroxysmal/persistent atrial fibrillation who underwent interventional treatment  Exclusion Criteria:  permanent AF contraindications to oral anticoagulation or heparin chronic kidney disease requiring dialysis untreated hypo- or hyperthyroidism breast feeding pregnancy chronic kidney disease requiring dialysis decompensated heart failure stroke within the last 3 months myocardial infarction within the last 3 months Percutaneous coronary intervention or Coronary Artery Bypass Grafting within the last 3 months active myocarditis artificial valve replacement surgery severe mitral or aortic stenosis coronary artery disease requiring revascularization heart transplant