Comparison of Transcatheter and Surgical Aortic Valve Replacement in Severe Aortic Stenosis:
A Longitudinal Study of Echo Parameters in Cohort A of the PARTNER Trial

Study Questions:

What are comparative changes in echocardiographic findings between patients with severe aortic stenosis randomized to transcatheter aortic valve replacement (TAVR) versus surgical aortic valve replacement (SAVR)?