PAF=Paroxysmal atrial fibriallaion; PeAF=Persistent atrial fibrillation; AF=atrial fibrillation; Scr=Serum creatine; AST=aspartate aminotransferase; ALT=alanine aminotransferase; TAC=tacrolimus; MMF=Mycophenolate mofetil; CsA=cyclosporine A; CS=corticosteroids; Aza=Azathioprine; SRL=Sirolimus. Table3. Procedural characteristics and periprocedural complications