PARTNER II Trial: Placement of AoRTic TraNscathetER Valves II - High Risk and Nested Registry 7

This is a prospective, non-randomized, multi-center trial for patients undergoing aortic valve replacement with the Edwards SAPIEN 3 THV for severe aortic stenosis. Patient cohorts will include those inoperable and those considered as a high surgical risk (STS ≥8%). The study also includes NR7 patients (patients with a 20mm vessel size).