Valve-in-valve prosthesis—late morphological findings
Cardiovascular Pathology(2021)
Abstract
•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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Key words
bioprosthesis,transcatheter aortic valve implantation,valve-in valve
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