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Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review

Mitral stenosis (MS) after mitral valve (MV) repair is a slowly progressive condition, usually detected many years after the index MV surgery. It is defined as a mean transmitral pressure gradient (TMPG) >5 mmHg or a mitral valve area (MVA) <1.5 cm(2). Pannus formation around the mitral annulu...

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Autores principales: Shabsigh, Muhammad, Lawrence, Cassidy, Rosero-Britton, Byron R., Kumar, Nicolas, Kimura, Satoshi, Durda, Michael Andrew, Essandoh, Michael
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4838600/
https://www.ncbi.nlm.nih.gov/pubmed/27148540
http://dx.doi.org/10.3389/fcvm.2016.00008
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author Shabsigh, Muhammad
Lawrence, Cassidy
Rosero-Britton, Byron R.
Kumar, Nicolas
Kimura, Satoshi
Durda, Michael Andrew
Essandoh, Michael
author_facet Shabsigh, Muhammad
Lawrence, Cassidy
Rosero-Britton, Byron R.
Kumar, Nicolas
Kimura, Satoshi
Durda, Michael Andrew
Essandoh, Michael
author_sort Shabsigh, Muhammad
collection PubMed
description Mitral stenosis (MS) after mitral valve (MV) repair is a slowly progressive condition, usually detected many years after the index MV surgery. It is defined as a mean transmitral pressure gradient (TMPG) >5 mmHg or a mitral valve area (MVA) <1.5 cm(2). Pannus formation around the mitral annulus or extending to the mitral leaflets is suggested as the main mechanism for developing delayed MS after MV repair. On the other hand, early stenosis is thought to be a direct result of an undersized annuloplasty ring. Furthermore, in MS following ischemic mitral regurgitation (MR) repair, subvalvular tethering is the hypothesized pathophysiology. MS after MV repair has an incidence of 9–54%. Several factors have been associated with a higher risk for developing MS after MV repair, including the use of flexible Duran annuloplasty rings versus rigid Carpentier–Edwards rings, complete annuloplasty rings versus partial bands, small versus large anterior leaflet opening angle, and anterior leaflet tip opening length. Intraoperative echocardiography can measure the anterior leaflet opening angle, the anterior leaflet tip opening dimension, the MVA and the mean TMPG, and may help identify patients at risk for developing MS after MV repair.
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spelling pubmed-48386002016-05-04 Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review Shabsigh, Muhammad Lawrence, Cassidy Rosero-Britton, Byron R. Kumar, Nicolas Kimura, Satoshi Durda, Michael Andrew Essandoh, Michael Front Cardiovasc Med Cardiovascular Medicine Mitral stenosis (MS) after mitral valve (MV) repair is a slowly progressive condition, usually detected many years after the index MV surgery. It is defined as a mean transmitral pressure gradient (TMPG) >5 mmHg or a mitral valve area (MVA) <1.5 cm(2). Pannus formation around the mitral annulus or extending to the mitral leaflets is suggested as the main mechanism for developing delayed MS after MV repair. On the other hand, early stenosis is thought to be a direct result of an undersized annuloplasty ring. Furthermore, in MS following ischemic mitral regurgitation (MR) repair, subvalvular tethering is the hypothesized pathophysiology. MS after MV repair has an incidence of 9–54%. Several factors have been associated with a higher risk for developing MS after MV repair, including the use of flexible Duran annuloplasty rings versus rigid Carpentier–Edwards rings, complete annuloplasty rings versus partial bands, small versus large anterior leaflet opening angle, and anterior leaflet tip opening length. Intraoperative echocardiography can measure the anterior leaflet opening angle, the anterior leaflet tip opening dimension, the MVA and the mean TMPG, and may help identify patients at risk for developing MS after MV repair. Frontiers Media S.A. 2016-04-21 /pmc/articles/PMC4838600/ /pubmed/27148540 http://dx.doi.org/10.3389/fcvm.2016.00008 Text en Copyright © 2016 Shabsigh, Lawrence, Rosero-Britton, Kumar, Kimura, Durda and Essandoh. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Cardiovascular Medicine
Shabsigh, Muhammad
Lawrence, Cassidy
Rosero-Britton, Byron R.
Kumar, Nicolas
Kimura, Satoshi
Durda, Michael Andrew
Essandoh, Michael
Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review
title Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review
title_full Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review
title_fullStr Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review
title_full_unstemmed Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review
title_short Mitral Valve Stenosis after Open Repair Surgery for Non-rheumatic Mitral Valve Regurgitation: A Review
title_sort mitral valve stenosis after open repair surgery for non-rheumatic mitral valve regurgitation: a review
topic Cardiovascular Medicine
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4838600/
https://www.ncbi.nlm.nih.gov/pubmed/27148540
http://dx.doi.org/10.3389/fcvm.2016.00008
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