Neo-LVOT and Transcatheter Mitral Valve Replacement Expert Recommendations

被引：68

作者：

Reid, Anna ^{[1
]}

Ben Zekry, Sagit ^{[1
]}

Turaga, Mansi ^{[1
]}

Tarazi, Stephanie ^{[1
]}

Bax, Jeroen J. ^{[2
]}

Wang, Dee Dee ^{[3
]}

Piazza, Nicolo ^{[4
]}

Bapat, Vinayak N. ^{[5
]}

Ihdayhid, Abdul Rahman ^{[1
]}

Cavalcante, Joao L. ^{[6
]}

Blanke, Philipp ^{[1
]}

Leipsic, Jonathon ^{[1
]}

机构：

[1] Univ British Columbia, St Pauls Hosp, Ctr Heart Lung Innovat, Vancouver, BC, Canada

[2] Leiden Univ, Med Ctr, Dept Cardiol, Leiden, Netherlands

[3] Henry Ford Hlth Syst, Ctr Struct Heart Dis, Detroit, MI USA

[4] McGill Univ, Ctr Hlth, Div Cardiol, Dept Med, Montreal, PQ, Canada

[5] Columbia Univ, Irving Med Ctr, NewYork Presbyterian, Dept Med, New York, NY USA

[6] Abbott NW Hosp, Minneapolis Heart Inst, Minneapolis, MN USA

来源：

JACC-CARDIOVASCULAR IMAGING | 2021年 / 14卷 / 04期

关键词：

LVOT; LVOT obstruction; neo-LVOT; transcatheter mitral valve replacement; OUTFLOW TRACT OBSTRUCTION; SEPTAL ABLATION; IN-VALVE; IMPLANTATION; OUTCOMES; REGURGITATION; ANNULOPLASTY; MANAGEMENT; CONSENSUS; FAILURE;

D O I：

10.1016/j.jcmg.2020.09.027

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

With the advent of transcatheter mitral valve replacement (TMVR), the concept of the neo-left ventricular outflow tract (LVOT) was introduced and remains an essential component of treatment planning. This paper describes the LVOT anatomy and provides a step-by-step computed tomography methodology to segment and measure the neo-LVOT while discussing the current evidence and outstanding challenges. It also discusses the technical and hemodynamic factors that play a major role in assessing the neo-LVOT. A summary of expert-based recommendations about the overall risk of LVOT obstruction in different scenarios is presented along with the currently available methods to reduce the risk of LVOT obstruction and other post-procedural complications. (C) 2021 by the American College of Cardiology Foundation.

引用

页码：843 / 866

页数：13

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