Resultados a largo plazo de la valvuloplastía mitral con balón

Background: Mitral balloon valvuloplasty (MBV) is the therapy of choice for the treatment of symptomatic mitral stenosis with suitable anatomy. Although its short and mid-term results are favorable, there is a paucity of information about long-term follow-up. Aim: To assess the late results of MBV....

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Autores principales:	Martínez R,Gonzalo, Fajuri N,Alejandro, Córdova A,Samuel, Braun J,Sandra, Marchant D,Eugenio, Guarda S,Eduardo, Veas P,Nicolás, Méndez L,Manuel, Lindefjeld C,Dante, Pérez P,Osvaldo, Flores,Alejandra, Valenzuela,Edith, Martínez S,Alejandro
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2014
Materias:	Balloon valvuloplasty Follow-up studies Mitral valve stenosis
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014001100001
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spelling	oai:scielo:S0034-988720140011000012015-02-18Resultados a largo plazo de la valvuloplastía mitral con balónMartínez R,GonzaloFajuri N,AlejandroCórdova A,SamuelBraun J,SandraMarchant D,EugenioGuarda S,EduardoVeas P,NicolásMéndez L,ManuelLindefjeld C,DantePérez P,OsvaldoFlores,AlejandraValenzuela,EdithMartínez S,Alejandro Balloon valvuloplasty Follow-up studies Mitral valve stenosis Background: Mitral balloon valvuloplasty (MBV) is the therapy of choice for the treatment of symptomatic mitral stenosis with suitable anatomy. Although its short and mid-term results are favorable, there is a paucity of information about long-term follow-up. Aim: To assess the late results of MBV. Material and Methods: A cohort of 225 patients aged 8 to 20 years who were subjected to a MBV from 1989 to 2001, was studied. All variables at the time of the procedure, short and long-term results and major events during follow-up (new mitral intervention and mortality) were recorded. Uni and multivariate analysis were used to assess prognosis. Results: The mean follow-up lapse was 13.5 years (range 8 to 20 years). During this period, 88 patients (39.1%) remained event-free and in acceptable functional capacity. Eight percent died, 8% required a second MBV and 43.5% required a surgical mitral valve replacement. A post-procedural area equal or greater to 1.9 cm² was associated with a greater likelihood of free-event survival (log rank test: p = 0.02/Cox proportional regression model: coefficient 0.54, p = 0.04). Conclusions: MBV is effective, although there is a high chance of new interventions in the long-term follow-up. A larger post-procedure mitral area is associated with a better prognosis.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.142 n.11 20142014-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014001100001es10.4067/S0034-98872014001100001
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Balloon valvuloplasty Follow-up studies Mitral valve stenosis
spellingShingle	Balloon valvuloplasty Follow-up studies Mitral valve stenosis Martínez R,Gonzalo Fajuri N,Alejandro Córdova A,Samuel Braun J,Sandra Marchant D,Eugenio Guarda S,Eduardo Veas P,Nicolás Méndez L,Manuel Lindefjeld C,Dante Pérez P,Osvaldo Flores,Alejandra Valenzuela,Edith Martínez S,Alejandro Resultados a largo plazo de la valvuloplastía mitral con balón
description	Background: Mitral balloon valvuloplasty (MBV) is the therapy of choice for the treatment of symptomatic mitral stenosis with suitable anatomy. Although its short and mid-term results are favorable, there is a paucity of information about long-term follow-up. Aim: To assess the late results of MBV. Material and Methods: A cohort of 225 patients aged 8 to 20 years who were subjected to a MBV from 1989 to 2001, was studied. All variables at the time of the procedure, short and long-term results and major events during follow-up (new mitral intervention and mortality) were recorded. Uni and multivariate analysis were used to assess prognosis. Results: The mean follow-up lapse was 13.5 years (range 8 to 20 years). During this period, 88 patients (39.1%) remained event-free and in acceptable functional capacity. Eight percent died, 8% required a second MBV and 43.5% required a surgical mitral valve replacement. A post-procedural area equal or greater to 1.9 cm² was associated with a greater likelihood of free-event survival (log rank test: p = 0.02/Cox proportional regression model: coefficient 0.54, p = 0.04). Conclusions: MBV is effective, although there is a high chance of new interventions in the long-term follow-up. A larger post-procedure mitral area is associated with a better prognosis.
author	Martínez R,Gonzalo Fajuri N,Alejandro Córdova A,Samuel Braun J,Sandra Marchant D,Eugenio Guarda S,Eduardo Veas P,Nicolás Méndez L,Manuel Lindefjeld C,Dante Pérez P,Osvaldo Flores,Alejandra Valenzuela,Edith Martínez S,Alejandro
author_facet	Martínez R,Gonzalo Fajuri N,Alejandro Córdova A,Samuel Braun J,Sandra Marchant D,Eugenio Guarda S,Eduardo Veas P,Nicolás Méndez L,Manuel Lindefjeld C,Dante Pérez P,Osvaldo Flores,Alejandra Valenzuela,Edith Martínez S,Alejandro
author_sort	Martínez R,Gonzalo
title	Resultados a largo plazo de la valvuloplastía mitral con balón
title_short	Resultados a largo plazo de la valvuloplastía mitral con balón
title_full	Resultados a largo plazo de la valvuloplastía mitral con balón
title_fullStr	Resultados a largo plazo de la valvuloplastía mitral con balón
title_full_unstemmed	Resultados a largo plazo de la valvuloplastía mitral con balón
title_sort	resultados a largo plazo de la valvuloplastía mitral con balón
publisher	Sociedad Médica de Santiago
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014001100001
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Resultados a largo plazo de la valvuloplastía mitral con balón

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