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Detailed Stress Analysis of Edwards-SAPIEN and Medtronic CoreValve Devices. Is Leaflet Stress Comparable to Surgical Carpentier-Edwards PERIMOUNT Magna Bioprosthesis?

Objective: Transcatheter aortic valves (TAVs) are prone to structural valve deterioration resulting in limited long-term durability. However, data regarding long-term durability of TAVs are limited and there might exist a difference in long-term durability of different TAVs. The aim of this study was to perform a side-byside comparison of leaflet stress distribution of three most commonly used transcatheter and surgical bioprostheses.