Previous studies demonstrated that various biomarkers of myocardial injury andinflammation, including troponin I (TNI), troponin T (TNT), creatine kinase (CK),creatine kinase MB fraction (CK-MB) and C-reactive protein (CRP), are elevated inpatients undergoing RFCA and CBA for AF [6, 7, 8]. This evidence concerns the gene CRP and atrial fibrillation.