The New Era of Three-Dimensional Annuloplasty Devices for Mitral Valve Repair: Rationale and First Experiences.

IF 0.8 Q4 SURGERY Surgical technology international Pub Date : 2024-05-09 DOI:10.52198/24.STI.44.CV1795

Mario Torre, Luca Weltert, Raffaele Scaffa, Andrea Salica, Giulio Folino, Alessandro Ricci, Salvatore D'Aleo, Lorenzo Guerrieri Wolf, Francesco Irace, Ilaria Chirichilli, Samuel Fusca, Alessandro Bellisario, Alberto Bonadies, Marianna Primiterra, Ruggero De Paulis

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Abstract

Annuloplasty should always accompany mitral valve repair in order to achieve proper annular remodeling and stabilization. Numerous types of annuloplasty rings-that differ from rigid to semi-rigid and flexible devices, from complete to partial, and from flat to saddle-shaped rings-are clinically available. A deeper understanding of mitral valve function, in conjunction with several recent studies, suggest it is advisable to prefer annuloplasty rings that mimic the physiological mitral annulus shape and three-dimensional (3D) dynamic changes in order to reduce haemodynamic stress on valve components and optimize leaflet coaptation, perhaps improving valve repair durability too. This paper aims to focus on 3D annuloplasty rings, with dynamic features: MEMO 3D™ and MEMO 4D™ (Sorin Medical, New York, New York), as well as Physio Flex (Edwards Lifesciences, Irvine, California).

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用于二尖瓣修复的三维瓣环成形设备的新时代：基本原理与初步经验。

二尖瓣瓣环成形术应始终伴随二尖瓣修复术，以实现适当的瓣环重塑和稳定。临床上有多种类型的瓣环成形术--从硬性到半硬性和柔性装置，从完全成形到部分成形，从扁平环到鞍形环，不一而足。对二尖瓣功能的深入了解以及最近的一些研究表明，最好选择能模拟二尖瓣瓣环生理形状和三维（3D）动态变化的瓣环成形术，以减少瓣膜组件上的血流动力学应力，优化瓣叶的附着，或许还能提高瓣膜修复的耐久性。本文旨在重点介绍具有动态特征的三维瓣环成形术：MEMO 3D™ 和 MEMO 4D™（Sorin Medical，纽约州纽约市）以及 Physio Flex（Edwards Lifesciences，加利福尼亚州欧文市）。

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