RT Journal Article SR Electronic A1 Zarifyan, Alla T1 Percutaneous Treatment of Valvular Heart Disease, Atrial Fibrillation Examined in Various Studies JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 5 SP 5 OP 7 DO 10.1177/1559897715583650 UL http://mdc.sagepub.com/content/15/5/5.abstract AB PARTNER 1 demonstrated that patients at high risk of surgery had a similar mortality at 5 years with transcatheter versus surgical aortic valve replacement, while the CoreValve US Pivotal Trial showed that transcatheter aortic valve replacement reduced mortality at 2 years when compared with surgical aortic valve replacement. Observational data showed that patients treated with MitraClip had improvements in mitral regurgitation. The AATAC-AF study showed that catheter ablation is superior to amiodarone in treating persistent atrial fibrillation.