Gülşah Barğı1, Meral Boşnak Güçlü2, Zeynep Arıbaş2, Şahika Zeynep Akı3, Gülsan Türköz Sucak3. 1. Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Gazi University, Emniyet Mah. Muammer Yaşar Bostancı Cad. No: 16, Beşevler, 06500, Ankara, Turkey. gulsahbargi@gazi.edu.tr. 2. Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Gazi University, Emniyet Mah. Muammer Yaşar Bostancı Cad. No: 16, Beşevler, 06500, Ankara, Turkey. 3. Department of Hematology, Faculty of Medicine, Gazi University, 06500, Ankara, Turkey.
Abstract
PURPOSE: Respiratory muscles are known to be weakened and are a cause of reduced exercise capacity in both recipients and candidates of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Effects of inspiratory muscle training (IMT) in this patient population have not been comprehensively investigated so far. The current study was planned to investigate the effects of IMT during allo-HSCT on early transplantation-related outcomes. METHODS: This is a prospective, randomized controlled, double-blinded study. Thirty-eight allo-HSCT recipients, 20 of whom were allocated to the treatment group (40 % of maximal inspiratory pressure (MIP)) and 18 to the control group (5 % of MIP), received IMT for 6 weeks. Pulmonary functions, dyspnea, respiratory (MIP, maximal expiratory pressure (MEP)) and peripheral muscle strength, maximal exercise capacity using modified incremental shuttle walking test (MISWT) and submaximal exercise capacity using 6-min walking test (6-MWT), fatigue, depression, and quality of life were evaluated before and after IMT. RESULTS: The distance covered during MISWT (61.94 m) and 6-MWT (29.30 m), respiratory muscle strength (MIP 34.99 cmH2O, MEP 12.69 cmH2O), depression (-0.95), and modified Borg dyspnea scores (-0.11) showed a significant improvement in the treatment group compared to controls (p ≤ 0.05). CONCLUSIONS:Inspiratory muscle training is a safe and effective intervention which improves respiratory muscle strength and exercise capacity and decreases depression and dyspnea in allo-HSCT recipients. These positive changes might be further enhanced by prolonging the duration of training or inclusion of more recipients with inspiratory muscle weakness. CLINICAL TRIAL REGISTRATION NUMBER: NCT02270346.
RCT Entities:
PURPOSE: Respiratory muscles are known to be weakened and are a cause of reduced exercise capacity in both recipients and candidates of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Effects of inspiratory muscle training (IMT) in this patient population have not been comprehensively investigated so far. The current study was planned to investigate the effects of IMT during allo-HSCT on early transplantation-related outcomes. METHODS: This is a prospective, randomized controlled, double-blinded study. Thirty-eight allo-HSCT recipients, 20 of whom were allocated to the treatment group (40 % of maximal inspiratory pressure (MIP)) and 18 to the control group (5 % of MIP), received IMT for 6 weeks. Pulmonary functions, dyspnea, respiratory (MIP, maximal expiratory pressure (MEP)) and peripheral muscle strength, maximal exercise capacity using modified incremental shuttle walking test (MISWT) and submaximal exercise capacity using 6-min walking test (6-MWT), fatigue, depression, and quality of life were evaluated before and after IMT. RESULTS: The distance covered during MISWT (61.94 m) and 6-MWT (29.30 m), respiratory muscle strength (MIP 34.99 cmH2O, MEP 12.69 cmH2O), depression (-0.95), and modified Borg dyspnea scores (-0.11) showed a significant improvement in the treatment group compared to controls (p ≤ 0.05). CONCLUSIONS: Inspiratory muscle training is a safe and effective intervention which improves respiratory muscle strength and exercise capacity and decreases depression and dyspnea in allo-HSCT recipients. These positive changes might be further enhanced by prolonging the duration of training or inclusion of more recipients with inspiratory muscle weakness. CLINICAL TRIAL REGISTRATION NUMBER: NCT02270346.
Entities:
Keywords:
Allogeneic hematopoietic stem cell transplantation; Dyspnea; Exercise capacity; Inspiratory muscle training; Pulmonary function; Quality of life
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