The objectives of this study were : 1 ) to compare the incidence of PPM in the TAVR and surgical aortic valve replacement ( SAVR ) randomized control trial ( RCT ) arms of the PARTNER ( Placement of AoRTic TraNscathetER Valves ) I Trial cohort A ; and 2 ) to assess the impact of PPM on regression of left ventricular ( LV ) hypertrophy and mortality in these 2 arms and in the TAVR nonrandomized continued access ( NRCA ) registry cohort .