Imaging in transcatheter native mitral valve replacement with Tendyne mitral valve system: echocardiographic pathway for the interventional imager

Submitted: August 10, 2022
Accepted: September 1, 2022
Published: September 7, 2022
Abstract Views: 1201
PDF: 483
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The interaction between the implanter team and the imager team is critical to the success of transcatheter native mitral valve replacement (TMVR), a novel interventional procedure in the therapeutic arsenal for mitral regurgitation. This imaging scenario necessitates the addition of a new dedicated professional figure, dubbed "the interventional imager," with specific expertise in structural heart disease procedures. As its clinical application grows, knowledge of the various imaging modalities used in the TMVR procedure is required for the interventional imager and beneficial for the interventional implanter team. The purpose of this review is to describe the key steps of the procedural imaging pathway in TMVR using the Tendyne mitral valve system, with an emphasis on echocardiography. Pre-procedure cardiac multi-modality imaging screening and planning for TMVR can determine patient eligibility based on anatomic features and measurements, provide measurements for appropriate valve sizing, plan/simulate the access site, catheter/sheath trajectory, and pros- thesis positioning/orientation for correct deployment and predict the risks of potential procedural complications and their likelihood of success. Step-by-step echocardiographic TMVR intraoperative guidance includes: apical access assessment; support for catheter/sheath localization, trajectory and positioning, valve positioning and clocking; post deployment: correct clocking; hemodynamic assessment; detection of perivalvular leakage; obstruction of the left ventricular outlet tract; complications. Knowledge of the multimodality imaging pathway is essential for interventional imagers and critical to the procedure's success.



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How to Cite

Al Sergani, Hani, Antonella Moreo, Eduardo Bossone, Olga Vriz, Ali Alenazy, Ahmed Alshehri, Mohammed Al Amri, Ahmad Alhamshari, Bandar Alamro, and Domenico Galzerano. 2022. “Imaging in Transcatheter Native Mitral Valve Replacement With Tendyne Mitral Valve System: Echocardiographic Pathway for the Interventional Imager”. Monaldi Archives for Chest Disease 93 (2).