Secondary Retensioning of a Tethered Device for Transapical Transcatheter Mitral Valve Implantation

M. Beyer, D. Muller,F. De Marco,V. Badhwar,J. F. Obadia, F. Praz, T. Modine,P. Tonino,G. Dahle,A. Cerillo, H. Reichenspurner, L. Conradi

Thoracic and Cardiovascular Surgeon（2023）

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摘要

Background: Secondary relevant paravalvular leakage (PVL) due to prosthesis dislodgement is a rare but potentially severe complication after TMVI. Due to the apical anchoring mechanism of a tethered transapical (TA) TMVI device, repositioning of the valve stent may be possible by retensioning of the tether. This multicenter-study examines procedural and short-term efficacy as well as safety of retensioning maneuvers.

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关键词

transapical transcatheter,secondary retensioning,tethered device

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