Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica

Background: Patients with chronic heart failure have a lower inspiratory muscle strength and fatigue endurance. Aim: To assess the effects of selective training of respiratory muscles in patients with heart failure. Patients and methods: Twenty patients with stable chronic heart failure, aged 58.3 ±...

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Autores principales:	Martínez S,Alejandro, Lisboa B,Carmen, Jalil M,Jorge, Muñoz D,Víctor, Díaz P,Orlando, Casanegra P,Pablo, Corbalán H,Ramón, Vásquez C,Ana María, Leiva G,Alicia
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2001
Materias:	Heart failure, congestive Rehabilitation Respiratory function tests Respiratory muscles
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872001000200002
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spelling	oai:scielo:S0034-988720010002000022001-04-09Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónicaMartínez S,AlejandroLisboa B,CarmenJalil M,JorgeMuñoz D,VíctorDíaz P,OrlandoCasanegra P,PabloCorbalán H,RamónVásquez C,Ana MaríaLeiva G,Alicia Heart failure, congestive Rehabilitation Respiratory function tests Respiratory muscles Background: Patients with chronic heart failure have a lower inspiratory muscle strength and fatigue endurance. Aim: To assess the effects of selective training of respiratory muscles in patients with heart failure. Patients and methods: Twenty patients with stable chronic heart failure, aged 58.3 ± 3 years with an ejection fraction of 28 ± 9%, were subjected to respiratory muscle training with threshold valves. The load was fixed in 30% of maximal inspiratory pressure (PImax) in 11 and in 10% of PImax in nine. Two sessions of 15 minutes, 6 days per week, during 6 weeks were done. Degree of dyspnea (Mahler score), maximal oxygen uptake, distance walked in 6 minutes, respiratory muscle function and left ventricular ejection fraction were measured before and after training. Results: Both training loads were associated to an improvement in dyspnea (+2.7 ± 1.8 and +2.8 ± 1.8 score points with 30% Plmax and 10% PImax respectively), maximal oxygen uptake (from 19 ± 3 to 21.6 ± 5 and from 16 ± 5 to 18.6 ± 7 ml/kg/min with 30% PImax and 10% PImax respectively, p< 0.05), PImax (from 78 ± 22 to 99 ± 22 and from 72 ± 34 to 82.3 cm H20 with 30% Plmax and 10% PImax respectively), sustained PImax (from 63 ± 18 to 90 ± 22 and from 58 ± 3 to 69 ± 3 cm H20 with 30% PImax and 10% PImax respectively), and maximal sustained load (from 120 ± 67 to 195 ± 47 and from 139 ± 120 to 192 ± 154 g with 30% PImax and 10% PImax respectively). The distance walked in 6 min only increased in subjects trained at 30% PImax (from 451 ± 78 to 486 ± 68 m). Conclusions: Selective training of respiratory muscles results in a functional improvement of patients with chronic heart failure. (Rev Med Chile 2001; 129: 133-39).info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.129 n.2 20012001-02-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872001000200002es10.4067/S0034-98872001000200002
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Heart failure, congestive Rehabilitation Respiratory function tests Respiratory muscles
spellingShingle	Heart failure, congestive Rehabilitation Respiratory function tests Respiratory muscles Martínez S,Alejandro Lisboa B,Carmen Jalil M,Jorge Muñoz D,Víctor Díaz P,Orlando Casanegra P,Pablo Corbalán H,Ramón Vásquez C,Ana María Leiva G,Alicia Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
description	Background: Patients with chronic heart failure have a lower inspiratory muscle strength and fatigue endurance. Aim: To assess the effects of selective training of respiratory muscles in patients with heart failure. Patients and methods: Twenty patients with stable chronic heart failure, aged 58.3 ± 3 years with an ejection fraction of 28 ± 9%, were subjected to respiratory muscle training with threshold valves. The load was fixed in 30% of maximal inspiratory pressure (PImax) in 11 and in 10% of PImax in nine. Two sessions of 15 minutes, 6 days per week, during 6 weeks were done. Degree of dyspnea (Mahler score), maximal oxygen uptake, distance walked in 6 minutes, respiratory muscle function and left ventricular ejection fraction were measured before and after training. Results: Both training loads were associated to an improvement in dyspnea (+2.7 ± 1.8 and +2.8 ± 1.8 score points with 30% Plmax and 10% PImax respectively), maximal oxygen uptake (from 19 ± 3 to 21.6 ± 5 and from 16 ± 5 to 18.6 ± 7 ml/kg/min with 30% PImax and 10% PImax respectively, p< 0.05), PImax (from 78 ± 22 to 99 ± 22 and from 72 ± 34 to 82.3 cm H20 with 30% Plmax and 10% PImax respectively), sustained PImax (from 63 ± 18 to 90 ± 22 and from 58 ± 3 to 69 ± 3 cm H20 with 30% PImax and 10% PImax respectively), and maximal sustained load (from 120 ± 67 to 195 ± 47 and from 139 ± 120 to 192 ± 154 g with 30% PImax and 10% PImax respectively). The distance walked in 6 min only increased in subjects trained at 30% PImax (from 451 ± 78 to 486 ± 68 m). Conclusions: Selective training of respiratory muscles results in a functional improvement of patients with chronic heart failure. (Rev Med Chile 2001; 129: 133-39).
author	Martínez S,Alejandro Lisboa B,Carmen Jalil M,Jorge Muñoz D,Víctor Díaz P,Orlando Casanegra P,Pablo Corbalán H,Ramón Vásquez C,Ana María Leiva G,Alicia
author_facet	Martínez S,Alejandro Lisboa B,Carmen Jalil M,Jorge Muñoz D,Víctor Díaz P,Orlando Casanegra P,Pablo Corbalán H,Ramón Vásquez C,Ana María Leiva G,Alicia
author_sort	Martínez S,Alejandro
title	Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
title_short	Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
title_full	Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
title_fullStr	Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
title_full_unstemmed	Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
title_sort	entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica
publisher	Sociedad Médica de Santiago
publishDate	2001
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872001000200002
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Entrenamiento selectivo de los músculos respiratorios en pacientes con insuficiencia cardíaca crónica

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