Mitral Valve Coaptation Reserve Index: A Model to Localize Individual Resistance to Mitral Regurgitation Caused by Annular Dilation.

Jayant S Jainandunsing,Dario Massari,Jaap Jan Vos,Inez J Wijdh-den Hamer,Ad Fm van den Heuvel,Massimo A Mariani,Feroze Mahmood,Wobbe Bouma,Thomas W L Scheeren

Journal of cardiothoracic and vascular anesthesia（2023）

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摘要

Quantification and indexing of mitral coaptation reserve along the closure line are feasible. Indexing and mathematical simulation of progressive annular dilatation consistently showed that indexed coaptation reserve was lowest in the A2-to-P2 region. These results may explain why this area is prone to lose coaptation and is often affected in MR.

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coaptation,echocardiography,mitral regurgitation,mitral valve,mitral valve coaptation reserve index

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