Valve-in-valve prosthesis—late morphological findings

Patrick J.H. Kim, Natasha Richards, Christopher M.S. Feindel,Jagdish Butany

Cardiovascular Pathology（2021）

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摘要

•Data on durability of transcatheter aortic valve replacement (TAVR) bioprosthesis after the valve-in-valve (VIV) procedure are rare•Detailed examination of the explanted valves using a multimodal approach is essential in understanding the pathophysiology of tissue degeneration•Incomplete expansion of the inner prosthesis without malpositioning may be sufficient to cause the delayed morphologic alterations and functional consequences

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关键词

bioprosthesis,transcatheter aortic valve implantation,valve-in valve

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