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Chen X, Hu S, Jia X, Zeng B. Incremental Load Respiratory Muscle Training Improves Respiratory Muscle Strength and Pulmonary Function in Children with Bronchiectasis. Can Respir J 2024; 2024:8884030. [PMID: 38818499 PMCID: PMC11139531 DOI: 10.1155/2024/8884030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 01/22/2024] [Accepted: 05/11/2024] [Indexed: 06/01/2024] Open
Abstract
Methods Participants underwent respiratory muscle training for 24 weeks. The main results were changes in respiratory muscle strength and pulmonary function indices (forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC), FEV1/FVC, peak expiratory flow rate (PEF), forced expiratory flow 25-75% (FEF25-75%), and maximal midexpiratory flow 75/25 (MMEF75/25)) before, 12 weeks after, and 24 weeks after the intervention. The secondary outcomes were changes in the exercise load and work rate, exercise work, Leicester Cough Questionnaire (LCQ) scale, and Fatigue Severity Scale (FSS). Results Compared with before the intervention, after 24 weeks of respiratory muscle training, the maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) were significantly enhanced (P < 0.05), while FVC, FEV1, and PEF were significantly increased (P < 0.01). FEF25-75 and MMEF75/25 values showed significant improvement compared to those before training (P < 0.05). The exercise loading, work, and exercise work rate of expiratory muscle training were significantly improved compared to those before intervention (P < 0.05). The LCQ score increased significantly (P < 0.001), and the FSS score decreased significantly (P < 0.001). Conclusion Incremental load respiratory muscle training effectively improved children's lung function over the long term, improved the strength of their inspiratory and expiratory muscles, and improved their quality of life.
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Affiliation(s)
- Xiaolong Chen
- Rehabilitation Medicine Center, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
- Intelligent Rehabilitation Research Center, China-USA Institute for Acupuncture and Rehabilitation, Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Shidong Hu
- Department of Pediatric Respiratory, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Xiaohui Jia
- Department of Pediatric Respiratory, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Bingbing Zeng
- Center of Traditional Chinese Medicine, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
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Cai W, Li M, Xu Y, Li M, Wang J, Zuo Y, Cao J. The effect of respiratory muscle training on children and adolescents with cystic fibrosis: a systematic review and meta-analysis. BMC Pediatr 2024; 24:252. [PMID: 38622583 PMCID: PMC11017573 DOI: 10.1186/s12887-024-04726-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/27/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Cystic fibrosis is a chronic genetic disease that can affect the function of the respiratory system. Previous reviews of the effects of respiratory muscle training in people with cystic fibrosis are uncertain and do not consider the effect of age on disease progression. This systematic review aims to determine the effectiveness of respiratory muscle training in the clinical outcomes of children and adolescents with cystic fibrosis. METHODS Up to July 2023, electronic databases and clinical trial registries were searched. Controlled clinical trials comparing respiratory muscle training with sham intervention or no intervention in children and adolescents with cystic fibrosis. The primary outcomes were respiratory muscle strength, respiratory muscle endurance, lung function, and cough. Secondary outcomes included exercise capacity, quality of life and adverse events. Two review authors independently extracted data and assessed study quality using the Cochrane Risk of Bias Tool 2. The certainty of the evidence was assessed according to the GRADE approach. Meta-analyses where possible; otherwise, take a qualitative approach. RESULTS Six studies with a total of 151 participants met the inclusion criteria for this review. Two of the six included studies were published in abstract form only, limiting the available information. Four studies were parallel studies and two were cross-over designs. There were significant differences in the methods and quality of the methodology included in the studies. The pooled data showed no difference in respiratory muscle strength, lung function, and exercise capacity between the treatment and control groups. However, subgroup analyses suggest that inspiratory muscle training is beneficial in increasing maximal inspiratory pressure, and qualitative analyses suggest that respiratory muscle training may benefit respiratory muscle endurance without any adverse effects. CONCLUSIONS This systematic review and meta-analysis indicate that although the level of evidence indicating the benefits of respiratory muscle training is low, its clinical significance suggests that we further study the methodological quality to determine the effectiveness of training. TRIAL REGISTRATION The protocol for this review was recorded in the International Prospective Register of Systematic Reviews (PROSPERO) under registration number CRD42023441829.
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Affiliation(s)
- WenQian Cai
- School of Pediatrics, Nanjing Medical University, Jiangsu Province, China
- Department of Nursing, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Meng Li
- Department of Rehabilitation Medicine, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yi Xu
- Department of Rehabilitation Medicine, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Mei Li
- Department of Nursing, Children's Hospital of Nanjing Medical University, Nanjing, China.
| | - JiaNan Wang
- School of Pediatrics, Nanjing Medical University, Jiangsu Province, China
- Department of Nursing, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - YaHui Zuo
- School of Pediatrics, Nanjing Medical University, Jiangsu Province, China
- Department of Nursing, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - JinJin Cao
- Department of Gastroenterology, Children's Hospital of Nanjing Medical University, Nanjing, China
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Muelas-Gómez L, Martínez-Gimeno L, Escudero-Gómez C, Atin Arratibel MÁ, Cebrià i Iranzo MA, Solís-Muñoz M. [Efficacy of Physiotherapy Interventions on the Respiratory Musculature Through Respiratory Training Techniques in Post-operative Lung Transplant Recipients: Systematic Review]. OPEN RESPIRATORY ARCHIVES 2024; 6:100288. [PMID: 38274199 PMCID: PMC10809207 DOI: 10.1016/j.opresp.2023.100288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 11/09/2023] [Indexed: 01/27/2024] Open
Abstract
Introduction Respiratory muscles are a limiter of exercise capacity in lung transplant patients. It is necessary to know the effectiveness of specific respiratory muscle training techniques carried out in the management of adult lung transplant patients in the postoperative period. Methodology A systematic review of clinical trials was carried out, which included adult lung transplant patients undergoing post-transplant respiratory training. A search was carried out in the databases PubMed/Medline, EMBASE, Scopus, Web of Science, Cochrane Library between January 2012 and September 2023, using the terms: "breathing exercise", "respiratory muscle training", "inspiratory muscle training", "respiratory exercise", "pulmonary rehabilitation", "lung rehabilitation"; in combination with "lung transplantation", "lung transplant", "posttransplant lung". No language limit. Results Eleven trials were included with a total of 639 patients analyzed. Most training programs begin upon hospital discharge (more than one month post-transplant), few do so early (Intensive Care Unit). The duration varies from 1-12 months post-transplant. The interventions were based on aerobic training and peripheral muscle strength. Some of them included breathing exercises and chest expansions. The most used outcome variable was submaximal exercise capacity measured with the 6-minute walk test. Conclusions Training the respiratory muscles of the adult transplant patient favors the improvement of exercise capacity and quality of life. Aerobic training, as well as strength training of the rest of the peripheral muscles, contribute to the improvement of respiratory muscles.
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Affiliation(s)
- Laura Muelas-Gómez
- Unidad de Rehabilitación Respiratoria, Servicio de Rehabilitación y Medicina Física, Hospital Universitario Puerta de Hierro Majadahonda, Grupo de Investigación en Enfermería y Cuidados de Salud, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, España
| | - Lara Martínez-Gimeno
- Fundación San Juan de Dios, Departamento de Ciencias de la Salud, Escuela de Enfermería y Fisioterapia San Juan de Dios, Universidad Pontificia Comillas, Madrid, España
| | - Cristina Escudero-Gómez
- Servicio de Biblioteca, Hospital Universitario Puerta de Hierro Majadahonda, Majadahonda, Madrid, España
| | - María Ángeles Atin Arratibel
- Departamento de Radiología, Rehabilitación y Fisioterapia, Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, Madrid, España
| | - Maria Angels Cebrià i Iranzo
- Departamento de Fisioterapia, Facultad de Fisioterapia, Universidad de Valencia. Servicio de Medicina Física y Rehabilitación, Hospital La Fe de Valencia. Instituto de Investigación Sanitaria La Fe (IISLAFE), Valencia, España
| | - Montserrat Solís-Muñoz
- Unidad de Investigación, Desarrollo e Innovación en Cuidados de Salud, Hospital Universitario Puerta de Hierro Majadahonda, Grupo de Investigación en Enfermería y Cuidados de Salud, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, España
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de Carvalho ESV, da Silva Santos G, de Siqueira GR, Duarte ALBP, Dantas AT. Ultrasound assessment of diaphragm and quadriceps muscles and its relationship with handgrip and respiratory muscle strength in patients with systemic sclerosis: a cross-sectional study. Clin Rheumatol 2024; 43:289-295. [PMID: 38015305 DOI: 10.1007/s10067-023-06812-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/30/2023] [Accepted: 11/04/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND Muscle dysfunction may cause disability and reduce the quality of life of patients with systemic sclerosis (SSc) when compared to healthy individuals. However, the literature on the topic is scarce and uses several criteria for assessing muscle dysfunction in this population. OBJECTIVES To compare diaphragm and quadriceps muscle thickness, diaphragm mobility, and handgrip strength between patients with SSc and healthy individuals. METHOD This cross-sectional study included 16 patients with SSc and 16 self-reported healthy individuals matched for age. We assessed quadriceps and diaphragm thickness and diaphragmatic mobility (ultrasound), handgrip strength (hand-held dynamometer), and respiratory muscle strength (manovacuometer). Patients also responded to the Health Assessment Questionnaire Disability Index and the International Physical Activity Questionnaire. RESULTS Patients with SSc presented lower quadriceps thickness (p < 0.0001), diaphragmatic mobility (p = 0.01), handgrip (p < 0.0001), and respiratory muscle strength (p < 0.0001) than healthy individuals. A moderate positive correlation was observed between handgrip strength and quadriceps thickness in patients with SSc (rho = 0.576; p = 0.02). CONCLUSIONS Patients with SSc presented reduced quadriceps thickness, diaphragmatic mobility, handgrip, and respiratory muscle strength when compared to healthy individuals Also, handgrip strength was correlated with quadriceps thickness in patients with SSc, suggesting that loss of muscle mass accompanies loss of peripheral muscle strength group of patients. Key Points • SSc patients presented reduced quadriceps thickness and diaphragmatic mobility • SSc patients have reduced handgrip and respiratory muscle strength • Lower handgrip muscle strength correlated with lower quadriceps thickness.
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Affiliation(s)
| | | | | | | | - Andréa Tavares Dantas
- Department of Clinical Medicine, Federal University of Pernambuco, Recife, Pernambuco, Brazil.
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Schenesse D, Mouillot P, Rabec C, Barnestein R, Tankere P, Giboulot M, Bonniaud P, Georges M. [Diaphragmatic ultrasonography for the pulmonologist: Technique and clinical use]. Rev Mal Respir 2024; 41:1-17. [PMID: 37980184 DOI: 10.1016/j.rmr.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 09/29/2023] [Indexed: 11/20/2023]
Abstract
INTRODUCTION Ultrasonography is an emerging tool that helps to assess diaphragmatic function. It is now widely used in ICUs to predict weaning from mechanical ventilation. Ultrasonography is readily available, harmless (no radiation), and repeatable with good interoperator reproducibility. Over the past few years, ultrasonography has seen increasing use in patients with chronic pulmonary pathologies. STATE OF THE ART The aim of this review is (1) to describe the ultrasound techniques used to assess diaphragmatic excursion and thickening, (2) to indicate the expected, normal values in healthy patients, and (3) to summarize the main findings and clinical applications in treatment of chronic respiratory disorders. CONCLUSIONS Chronic pulmonary diseases are associated with diaphragmatic dysfunction that can be assessed with ultrasound. Diaphragmatic dysfunction is primary in neuromuscular disorders and secondary to respiratory disease in other chronic pulmonary conditions (COPD, ILD). Ultrasound is correlated with the severity of the underlying disease (functional and clinical parameters). PERSPECTIVES The prognostic interest of diaphragm ultrasonography remains to be established, after which its utilization should become routine.
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Affiliation(s)
- D Schenesse
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - P Mouillot
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - C Rabec
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - R Barnestein
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - P Tankere
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - M Giboulot
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - P Bonniaud
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France; Inserm, LNC UMR 1231, LipSTIC LabEx Team, Dijon, France
| | - M Georges
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France; UMR 6265 CNRS 1234 INRA, centre des sciences du goût et de l'alimentation, université Bourgogne-Franche-Comté, Dijon, France.
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Gur M, Manor E, Hanna M, Simaan N, Gut G, Toukan Y, Hakim F, Bar-Yoseph R, Bentur L. The effect of inspiratory muscle training in PCD and CF patients: A pilot study. Pediatr Pulmonol 2023; 58:3264-3270. [PMID: 37646121 DOI: 10.1002/ppul.26655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 08/01/2023] [Accepted: 08/22/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND Effective work of breathing and bronchial hygiene requires synergy of inspiratory and expiratory muscles. Inspiratory muscle training (IMT) is a part of pulmonary rehabilitation in chronic obstructive pulmonary disease (COPD). There is some evidence of its efficacy in cystic fibrosis (CF) and, recently, in long COVID-19. We are not aware of studies on IMT in primary ciliary dyskinesia (PCD). Our aim was to assess the effect of IMT on respiratory muscle strength and pulmonary function in PCD and CF patients. METHODS A single center pilot study. Spirometry, lung clearance index (LCI), maximal inspiratory pressure (MIP), and maximal expiratory pressure (MEP) were measured at baseline (visit 1), after a month of IMT with ®POWERbreathe (visit 2), and at follow-up (visit 3). RESULTS The cohort included 27 patients (19 PCD, 8 CF); mean age 18.4 ± 9.8 years. After a month of IMT, there was a significant increase in MIP and MIP% (6.19-7.44, p = .015; and 81.85%-100.41%, p = .046, respectively), which was sustained at visit 3. Compliance ≥90% led to higher improvement in MIP. In sub-group analysis, improvement in MIP and MIP% remained significant for PCD patients (p = .026 and p = .049, respectively). No significant changes were found in spirometry, MEP or LCI. CONCLUSIONS IMT was well-tolerated and led to improved inspiratory muscle strength in PCD patients. The clinical implication of improved MIP should be further investigated. Larger, long-term studies are needed to evaluate long-term effects of IMT on pulmonary function, respiratory muscle strength, pulmonary exacerbations, and quality of life.
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Affiliation(s)
- Michal Gur
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Eynav Manor
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
| | - Moneera Hanna
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
| | - Nadeen Simaan
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
| | - Guy Gut
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
| | - Yazeed Toukan
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Fahed Hakim
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Ronen Bar-Yoseph
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Lea Bentur
- Pediatric Pulmonary Institute and CF Center, Rappaport Children's Hospital, Rambam Health Care Campus, Haifa, Israel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
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Formiga MF, Dosbaba F, Hartman M, Batalik L, Senkyr V, Radkovcova I, Richter S, Brat K, Cahalin LP. Role of the Inspiratory Muscles on Functional Performance From Critical Care to Hospital Discharge and Beyond in Patients With COVID-19. Phys Ther 2023; 103:pzad051. [PMID: 37247250 DOI: 10.1093/ptj/pzad051] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 01/04/2023] [Accepted: 02/19/2023] [Indexed: 05/31/2023]
Abstract
OBJECTIVE The role of inspiratory muscle performance in functional performance in patients with coronavirus disease 2019 (COVID-19) is poorly understood. The purpose of this study was to perform a longitudinal examination of inspiratory and functional performance from intensive care unit (ICU) discharge (ICUD) to hospital discharge (HD) and symptoms at HD and 1 month after HD in patients with COVID-19. METHODS Thirty patients (19 men, 11 women) with COVID-19 were included. Examination of inspiratory muscle performance at ICUD and HD was performed with an electronic manometer, which provided the maximal inspiratory pressure (MIP) and several other inspiratory measures. Examination of dyspnea and functional performance was performed at ICUD and HD with the Modified Borg Dyspnea Scale and the 1-minute sit-to-stand test (1MSST), respectively. RESULTS The mean age was 71 (SD = 11) years, the mean length of ICU stay was 9 (SD = 6) days, and the mean length of hospital stay was 26 (SD = 16) days. Most of the patients were diagnosed with severe COVID-19 (76.7%) and had a mean Charlson Comorbidity Index of 4.4 (SD = 1.9), reflecting high comorbidity. The mean MIP of the entire cohort increased minimally from ICUD to HD (from 36 [SD = 21] to 40 [SD = 20] cm H2O), reflecting predicted values for men and women at ICUD and HD of 46 (25%) to 51 (23%) and 37 (24%) to 37 (20%), respectively. The 1MSTS score increased significantly from ICUD to HD (9.9 [SD = 7.1] vs 17.7 [SD = 11.1]) for the entire cohort but remained far below population-based reference values (2.5th percentile) for the majority of patients at ICUD and HD. At ICUD, MIP was found to be a significant predictor of a favorable change in 1MSTS performance (β = 0.308; odds ratio = 1.36) at HD. CONCLUSION A significant reduction in inspiratory and functional performance exists in patients with COVID-19 at both ICUD and HD, with a greater MIP at ICUD being a significant predictor of a greater 1MSTS score at HD. IMPACT This study shows that inspiratory muscle training may be an important adjunct after COVID-19.
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Affiliation(s)
- Magno F Formiga
- Programa Pós-Graduação em Fisioterapia e Funcionalidade, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, Ceará, Brazil
| | - Filip Dosbaba
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Martin Hartman
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
- Department of Rehabilitation and Sports Medicine, 2nd Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
| | - Ladislav Batalik
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
- Department of Public Health, Faculty of Medicine, Masaryk University Brno, Brno, South Moravia, Czech Republic
| | - Vojtech Senkyr
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Ivana Radkovcova
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Svatopluk Richter
- Department of Radiology and Nuclear Medicine, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno South Moravia, Czech Republic
| | - Lawrence P Cahalin
- Department of Physical Therapy, University of Miami Miller School of Medicine, Coral Gables, Florida, USA
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Razi O, Teixeira AM, Tartibian B, Zamani N, Knechtle B. Respiratory issues in patients with multiple sclerosis as a risk factor during SARS-CoV-2 infection: a potential role for exercise. Mol Cell Biochem 2023; 478:1533-1559. [PMID: 36411399 PMCID: PMC9684932 DOI: 10.1007/s11010-022-04610-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022]
Abstract
Coronavirus disease-2019 (COVID-19) is associated with cytokine storm and is characterized by acute respiratory distress syndrome (ARDS) and pneumonia problems. The respiratory system is a place of inappropriate activation of the immune system in people with multiple sclerosis (MS), and this may cause damage to the lung and worsen both MS and infections.The concerns for patients with multiple sclerosis are because of an enhance risk of infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The MS patients pose challenges in this pandemic situation, because of the regulatory defect of autoreactivity of the immune system and neurological and respiratory tract symptoms. In this review, we first indicate respiratory issues associated with both diseases. Then, the main mechanisms inducing lung damages and also impairing the respiratory muscles in individuals with both diseases is discussed. At the end, the leading role of physical exercise on mitigating respiratory issues inducing mechanisms is meticulously evaluated.
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Affiliation(s)
- Omid Razi
- Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Razi University, Kermanshah, Iran
| | - Ana Maria Teixeira
- Research Center for Sport and Physical Activity, Faculty of Sport Sciences and Physical Education, University of Coimbra, Coimbra, Portugal
| | - Bakhtyar Tartibian
- Department of Exercise Physiology, Faculty of Physical Education and Sports Sciences, Allameh Tabataba’i University, Tehran, Iran
| | - Nastaran Zamani
- Department of Biology, Faculty of Science, Payame-Noor University, Tehran, Iran
| | - Beat Knechtle
- Institute of Primary Care, University of Zurich, Zurich, Switzerland
- Medbase St. Gallen Am Vadianplatz, Vadianstrasse 26, 9001 St. Gallen, Switzerland
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Mohammed Yusuf SF, Bhise A, Nuhmani S, Alghadir AH, Khan M. Effects of an incentive spirometer versus a threshold inspiratory muscle trainer on lung functions in Parkinson's disease patients: a randomized trial. Sci Rep 2023; 13:2516. [PMID: 36781936 PMCID: PMC9925741 DOI: 10.1038/s41598-023-29534-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 02/06/2023] [Indexed: 02/15/2023] Open
Abstract
Upper airway obstruction, reduced maximal expiratory and inspiratory flows, reduced lung volumes, abnormal ventilatory control, and diaphragmatic dyskinesias are reported in patients with Parkinson's disease (PD). Inspiratory muscle training (IMT) has been reported to be effective in improving respiratory functions; however, no studies have compared the effects of the incentive spirometer (IS) with the threshold inspiratory muscle trainer (TIMT) in patients with PD. The study aimed to compare the effects of IS and TIMT on maximum inspiratory pressure (MIP), 6-min walk distance (6-MWD), forced vital capacity (FVC), forced expiratory volume in 1 s (FEV1), and peak expiratory flow rate (PEFR) in patients with stage 1-3 according to the Hoehn and Yahr scale. 18 patients were randomly assigned to two groups, i.e., incentive spirometer (IS) and threshold inspiratory muscle trainer (TIMT) group. The IS group received IMT with volume-based IS, and the TIMT group received IMT with TIMT. MIP, 6-MWD, FVC, FEV1, and PEFR were measured before and after six weeks of training. In IS group: A significant increase (p < 0.05) was observed in MIP and 6-MWD by 18.13 and 5%, respectively. In the TIMT group: A significant increase (p < 0.05) was observed in MIP and 6-MWD by 30.15 and 8.94%, respectively. Both groups observed no significant difference (p > 0.05) in FVC, FEV1, and PEFR. When the two groups were compared, a greater increase (p < 0.05) was observed in the MIP and 6-MWD in the TIMT group compared to IS group. IMT with IS or TIMT for six weeks effectively increased MIP and 6-MWD in patients with stage 1-3 (Hoehn and Yahr scale) of PD. No improvement was observed in FVC, FEV1, or PEFR with any of the techniques. TIMT is more effective than IS in improving MIP and 6-MWD.
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Affiliation(s)
| | - Anjali Bhise
- Government Physiotherapy College, Government Spine Institute, Civil Hospital, Ahmedabad, Gujarat, India
| | - Shibili Nuhmani
- Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Ahmad H Alghadir
- Rehabilitation Research Chair, Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Masood Khan
- Rehabilitation Research Chair, Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia.
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Guo Q, Zhao Y, Zhao J, Bian M, Qian L, Xue T, Zhang JJ, Duan X. Acute change of lung function to short-term exposure to ambient air pollutants with and without physical activity: A real-world crossover study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120481. [PMID: 36341821 DOI: 10.1016/j.envpol.2022.120481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Physical activity (PA) would increase the inhalation rate and thereby inhaled dose of air pollutants. However, it's still uncertain whether the effects of air pollutants on lung function are attenuated by PA, especially in the high-polluted areas. We aimed to disentangle the interaction between air pollution and PA on lung function among healthy adults. In this study, a real-world crossover study was conducted among 74 healthy adults. Each participant underwent both rest and 15-min intermittent moderate PA exposure scenarios (consisting of 15min stationary bike riding alternating with 15min of rest), which lasted for 2 h. On the same day, the participants among active and inactive group were exposed to the same air pollution. We have monitored the fine particulate matter (PM2.5), particulate matter less than 10 μm (PM10), particulate matter less than 1 μm (PM1), black carbon (BC), nitrogen dioxide (NO2), and ozone (O3) continuously during 2-h exposure. Lung function were measured at five times points for each visit (before, immediately, 3 h, 5 h, and 24 h after the 2-h exposure scenario). Mixed-effects models were applied to explore the effects of air pollution, PA, and their interaction on lung function. The participants had a mean (standard deviation (SD)) age of 19.9 (0.9) years. The average concentration [mean ± SD] of PM2.5, PM10, PM1, BC, NO2, and O3 were 59.4 ± 45.1 μg/m3, 122.8 ± 109.0 μg/m3, 38.8 ± 29.2 μg/m3, 1.94 ± 1.17 μg/m3, 59.5 ± 26.6 μg/m3, and 74.0 ± 30.3 μg/m3, respectively. Overall, greater increasement in lung function were observed among active group compared with inactive group at all timepoints. In fully adjusted models, we observed the benefits of PA and detrimental effects of air pollutants on lung function. Our results suggested that PA, compared to rest, alleviated the detrimental effects of air pollutants on lung function. We also stressed the importance of timing of measurements for capturing association. In conclusion, our observations suggested that PA might alleviate the associations between various pollutant exposures and lung function, which would drive further research towards potential pathway.
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Affiliation(s)
- Qian Guo
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yuchen Zhao
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Jiahao Zhao
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Mengyao Bian
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Liqianxin Qian
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Tao Xue
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100083, China
| | - Junfeng Jim Zhang
- Nicholas School of the Environment and Global Health Institute, Duke University, Durham, NC, USA; Duke Kunshan University, Kunshan, Jiangsu Province, China
| | - Xiaoli Duan
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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11
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Schmidt H, Toth M, Kappler‐Schorn C, Siebeneich U, Bode SFN, Fabricius D. Short‐term effects of a novel bronchial drainage device: A pilot cohort study in subjects with cystic fibrosis. Health Sci Rep 2022; 5:e812. [PMID: 36110342 PMCID: PMC9466653 DOI: 10.1002/hsr2.812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 07/28/2022] [Accepted: 08/19/2022] [Indexed: 11/06/2022] Open
Abstract
Background and Aims Methods Results Conclusion
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Affiliation(s)
- Hanna Schmidt
- Department of Pediatric and Adolescent Medicine Ulm University Hospital Ulm Germany
- Institute of General Physiology Ulm University Ulm Germany
| | - Monika Toth
- Department of Pediatric and Adolescent Medicine Ulm University Hospital Ulm Germany
| | | | - Ute Siebeneich
- Department of Pediatric and Adolescent Medicine Ulm University Hospital Ulm Germany
| | - Sebastian F. N. Bode
- Department of Pediatric and Adolescent Medicine Ulm University Hospital Ulm Germany
| | - Dorit Fabricius
- Department of Pediatric and Adolescent Medicine Ulm University Hospital Ulm Germany
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12
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The Effect of Inspiratory Muscle Training on the Pulmonary Function in Mixed Martial Arts and Kickboxing Athletes. J Hum Kinet 2022; 81:53-63. [PMID: 35291646 PMCID: PMC8884863 DOI: 10.2478/hukin-2022-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Inspiratory muscle training (IMT) has found its way into athletes’ routine as a promising way of improving pulmonary function in combination with standard training. The objective of the study was to examine the effects of resistive IMT on the pulmonary function variables in athletes of two combat sports, i.e., mixed martial arts (MMA) and kickboxing. Fourteen kickboxing and 12 MMA male athletes qualified for the study. They were randomly assigned into experimental and control groups. While both groups participated in their standard training, the experimental group additionally participated in IMT which consisted of 30 breaths twice a day for 6 weeks. The pulmonary functions were measured at baseline and after 6 weeks of IMT. The addition of IMT to standard training increased significantly the forced expiratory volume in the first second to vital capacity ratio (FEV1/VC), and the maximum voluntary ventilation (MVV) (p < 0.05) with changes of 5.7%, and 28.6%, respectively, in MMA athletes. The kickboxing group showed no significant changes. The interaction of the sport discipline and IMT intervention yielded a strong significant change in the MVV (F(1, 11) = 14.53, p < 0.01), and FEV1/VC (F(1, 11) = 20.67, p < 0.01) to the benefit of MMA athletes in comparison with kickboxing athletes. Combining resistive IMT for 6 weeks with standard training was effective to improve some pulmonary functions in MMA athletes, but did not lead to additional gains in kickboxing athletes.
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13
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Respiratory muscle training improves exercise tolerance and respiratory muscle function/structure post-stroke at short term: A systematic review and meta-analysis. Ann Phys Rehabil Med 2021; 65:101596. [PMID: 34687960 DOI: 10.1016/j.rehab.2021.101596] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 07/21/2021] [Accepted: 07/31/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Previous reviews relating to the effects of respiratory muscle training (RMT) after stroke tend to focus on only one type of training (inspiratory or expiratory muscles) and most based the results on poor-quality studies (PEDro score ≤4). OBJECTIVES With this systematic review and meta-analysis, we aimed to determine the effects of RMT (inspiratory or expiratory muscle training, or mixed) on exercise tolerance, respiratory muscle function and pulmonary function and also the effects depending on the type of training performed at short- and medium-term in post-stroke. METHODS Databases searched were MEDLINE, PEDro, CINAHL, EMBASE and Web of Science up to the end of April 2020. The quality and risk of bias for each included study was examined by the PEDro scale (including only high-quality studies) and Cochrane Risk of Bias tool. RESULTS Nine studies (463 patients) were included. The meta-analysis showed a significant increase in exercise tolerance [4 studies; n = 111; standardized mean difference [SMD] = 0.65 (95% confidence interval 0.27-1.04)]; inspiratory muscle strength [9 studies; n = 344; SMD = 0.65 (0.17-1.13)]; inspiratory muscle endurance [3 studies; n = 81; SMD = 1.19 (0.71-1.66)]; diaphragm thickness [3 studies; n = 79; SMD = 0.9 (0.43-1.37)]; and peak expiratory flow [3 studies; n = 84; SMD = 0.55 (0.03-1.08)] in the short-term. There were no benefits on expiratory muscle strength and pulmonary function variables (forced expiratory volume in 1 s) in the short-term. CONCLUSIONS The meta-analysis provided moderate-quality evidence that RMT improves exercise tolerance, diaphragm thickness and pulmonary function (i.e., peak expiratory flow) and low-quality evidence for the effects on inspiratory muscle strength and endurance in stroke survivors in the short-term. None of these effects are retained in the medium-term. Combined inspiratory and expiratory muscle training seems to promote greater respiratory changes than inspiratory muscle training alone.
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Albarrati A, Taher M, Nazer R. Effect of inspiratory muscle training on respiratory muscle strength and functional capacity in patients with type 2 diabetes mellitus: A randomized clinical trial. J Diabetes 2021; 13:292-298. [PMID: 33471439 DOI: 10.1111/1753-0407.13106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 08/12/2020] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) is usually associated with respiratory manifestations including inspiratory muscle weakness which affects exercise capacity. The present study aimed to determine the effect of inspiratory muscle training (IMT) on inspiratory muscle strength and exercise capacity in patients with Type 2 diabetes mellitus (T2DM). METHODS This was a randomized controlled trial in patients with type 2 diabetes mellitus with no previous cardiopulmonary or neuromuscular diseases. Patients had no back pain. Patients were randomized into interventional or placebo groups. Sniff nasal inspiratory pressure (SNIP), maximum inspiratory pressure (MIP), and six-minute walking test (6MWT) were measured at baseline and 8 weeks post incremental inspiratory muscle training. RESULTS At baseline, interventional and placebo groups were similar in age, body mass index, sex inspiratory muscle strength, and exercise capacity. After 8 weeks of incremental inspiratory muscle training at 40% of MIP, the interventional group had a significant increase in the SNIP (mean difference: 18.5 ± 5.30 cm H2O vs 2.8 ± 4.8 cm H2O) and MIP (mean difference: 19.4 ± 4.3 Vs 5.4 ± 3.6 cm H2O) compared to the placebo group, respectively. The interventional group showed improvement in the 6MWT (mean difference: 70 ± 29 m vs 34 ± 24 m) compared to the placebo group, P < .05. CONCLUSION Incremental inspiratory muscle training increased the diaphragm strength in patients with T2DM and improved exercise capacity.
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Affiliation(s)
- Ali Albarrati
- Department of Rehabilitation Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mohammed Taher
- Department of Rehabilitation Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Faculty of Physical Therapy, Cairo University, Egypt
| | - Rakan Nazer
- Department of Cardiac Sciences, King Fahad Cardiac Center, College of Medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia
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McCreery JL, Mackintosh KA, Mills-Bennett R, McNarry MA. The Effect of a High-Intensity PrO2Fit Inspiratory Muscle Training Intervention on Physiological and Psychological Health in Adults with Bronchiectasis: A Mixed-Methods Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18063051. [PMID: 33809595 PMCID: PMC8001489 DOI: 10.3390/ijerph18063051] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 01/05/2023]
Abstract
Bronchiectasis is characterised by airflow obstruction and hyperinflation resulting in respiratory muscle weakness, and decreased exercise capacity. Inspiratory muscle training (IMT) is potentially an alternative treatment strategy to enhance respiratory muscle strength and endurance. Therefore, the aim was to investigate the effects of IMT on those with bronchiectasis. Eighteen participants (10 bronchiectasis) took part in an eight-week, three times a week IMT programme at 80% sustained maximal inspiratory pressure (SMIP). Lung function, respiratory muscle strength and endurance, exercise capacity, physical activity and self-determination theory measures were taken. Participants also took part in a semi-structured interview to assess their perceptions and experience of an IMT intervention. After eight weeks of IMT, bronchiectasis and healthy participants exhibited significant increases in MIP (27% vs. 32%, respectively), SMIP (16% vs. 17%, respectively) and inspiratory duration (36% vs. 30%, respectively). Healthy participants exhibited further improvements in peak expiratory flow and maximal oxygen consumption. Bronchiectasis participants reported high levels of perceived competence and motivation, reporting higher adherence and improved physical ability. Eight weeks of IMT increased inspiratory muscle strength and endurance in those with bronchiectasis. IMT also had a positive effect on perceived competency and autonomy, with bronchiectasis participants reporting improved physical ability and motivation, and high adherence.
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Affiliation(s)
- Jessica L McCreery
- Applied Sports, Technology, Exercise and Medicine Research Centre, College of Engineering, Swansea University, Swansea SA18EN, UK
| | - Kelly A Mackintosh
- Applied Sports, Technology, Exercise and Medicine Research Centre, College of Engineering, Swansea University, Swansea SA18EN, UK
| | - Rebekah Mills-Bennett
- Physiotherapy Department, Glangwili Hospital, Dogwili Rd Carmarthen, Carmarthen SA312AF, UK
| | - Melitta A McNarry
- Applied Sports, Technology, Exercise and Medicine Research Centre, College of Engineering, Swansea University, Swansea SA18EN, UK
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16
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Leyro TM, Versella MV, Yang MJ, Brinkman HR, Hoyt DL, Lehrer P. Respiratory therapy for the treatment of anxiety: Meta-analytic review and regression. Clin Psychol Rev 2021; 84:101980. [PMID: 33540222 PMCID: PMC8302658 DOI: 10.1016/j.cpr.2021.101980] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 11/30/2020] [Accepted: 01/19/2021] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Respiratory abnormalities are a hallmark of anxiety symptomatology and may serve as clinically useful modifiers for alleviating anxiety symptoms. However, gold-standard anxiety treatments (e.g., cognitive-behavioral interventions) often do not directly address respiratory components despite their theoretical utility and clinical accessibility. This review examined the clinical effectiveness of respiratory interventions, interventions that directly target respiration abnormalities and processes, in treating trait anxiety symptoms. METHODS The final analysis included 40 randomized controlled trials including at least one measure of trait anxiety, a respiratory-focused intervention group, and a non-respiratory control-group (active or inactive treatment). Overall effects of respiratory focused interventions were examined, as well as the effect of hypothesized moderators. RESULTS Respiratory component interventions yielded significantly greater improvements (moderate to large effect) in anxiety symptoms than controls, with the stronger effects observed in comparison to inactive, rather than active, control conditions. Significant heterogeneity in findings suggests that variability in intervention design, population, and control comparison may obfuscate interpretation of findings. CONCLUSIONS Evidence supports the clinical utility of respiratory interventions as either an independent anxiety treatment, or as an adjunct to other interventions. Clinical and research implications of findings along with recommendations for ongoing investigations in this domain are discussed.
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Affiliation(s)
- Teresa M Leyro
- Department of Psychology, Rutgers, The State University of New Jersey, United States.
| | - Mark V Versella
- Department of Psychology, Rutgers, The State University of New Jersey, United States
| | - Min-Jeong Yang
- Department of Psychology, Rutgers, The State University of New Jersey, United States; Department of Health Outcomes and Behavior, Moffitt Cancer Center, United States
| | - Hannah R Brinkman
- Department of Psychology, Rutgers, The State University of New Jersey, United States
| | - Danielle L Hoyt
- Department of Psychology, Rutgers, The State University of New Jersey, United States
| | - Paul Lehrer
- Department of Psychiatry, Rutgers Robert Wood Johnson Medical School, United States
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17
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Manifield J, Chynkiamis N, Alexiou C, Megaritis D, Hume E, Barry G, Vogiatzis I. Acute thoracoabdominal and hemodynamic responses to tapered flow resistive loading in healthy adults. Respir Physiol Neurobiol 2021; 286:103617. [PMID: 33454351 DOI: 10.1016/j.resp.2021.103617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/22/2020] [Accepted: 01/01/2021] [Indexed: 11/17/2022]
Abstract
We investigated the acute physiological responses of tapered flow resistive loading (TFRL) at 30, 50 and 70 % maximal inspiratory pressure (PImax) in 12 healthy adults to determine an optimal resistive load. Increased end-inspiratory rib cage and decreased end-expiratory abdominal volumes equally contributed to the expansion of thoracoabdominal tidal volume (captured by optoelectronic plethysmography). A significant decrease in end-expiratory thoracoabdominal volume was observed from 30 to 50 % PImax, from 30 to 70 % PImax, and from 50 to 70 % PImax. Cardiac output (recorded by cardio-impedance) increased from rest by 30 % across the three loading trials. Borg dyspnoea increased from 2.36 ± 0.20 at 30 % PImax, to 3.45 ± 0.21 at 50 % PImax, and 4.91 ± 0.25 at 70 % PImax. End-tidal CO2 decreased from rest during 30, 50 and 70 %PImax (26.23 ± 0.59, 25.87 ± 1.02 and 24.30 ± 0.82 mmHg, respectively). Optimal intensity for TFRL is at 50 % PImax to maximise global respiratory muscle and cardiovascular loading whilst minimising hyperventilation and breathlessness.
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Affiliation(s)
- James Manifield
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK.
| | - Nikolaos Chynkiamis
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Charikleia Alexiou
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Dimitrios Megaritis
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Emily Hume
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Gill Barry
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Ioannis Vogiatzis
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
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Abstract
BACKGROUND Cystic fibrosis is the most common autosomal recessive disease in white populations, and causes respiratory dysfunction in the majority of individuals. Numerous types of respiratory muscle training to improve respiratory function and health-related quality of life in people with cystic fibrosis have been reported in the literature. Hence a systematic review of the literature is needed to establish the effectiveness of respiratory muscle training (either inspiratory or expiratory muscle training) on clinical outcomes in cystic fibrosis. This is an update of a previously published review. OBJECTIVES To determine the effectiveness of respiratory muscle training on clinical outcomes in people with cystic fibrosis. SEARCH METHODS We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Trials register comprising of references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings. Date of most recent search: 11 June 2020. A hand search of the Journal of Cystic Fibrosis and Pediatric Pulmonology was performed, along with an electronic search of online trial databases. Date of most recent search: 05 October 2020. SELECTION CRITERIA Randomised controlled studies comparing respiratory muscle training with a control group in people with cystic fibrosis. DATA COLLECTION AND ANALYSIS Review authors independently selected articles for inclusion, evaluated the methodological quality of the studies, and extracted data. Additional information was sought from trial authors where necessary. The quality of the evidence was assessed using the GRADE system. MAIN RESULTS Authors identified 20 studies, of which 10 studies with 238 participants met the review's inclusion criteria. There was wide variation in the methodological and written quality of the included studies. Four of the 10 included studies were published as abstracts only and lacked concise details, thus limiting the information available. Eight studies were parallel studies and two of a cross-over design. Respiratory muscle training interventions varied dramatically, with frequency, intensity and duration ranging from thrice weekly to twice daily, 20% to 80% of maximal effort, and 10 to 30 minutes, respectively. Participant numbers ranged from 11 to 39 participants in the included studies; five studies were in adults only, one in children only and four in a combination of children and adults. No differences between treatment and control were reported in the primary outcome of pulmonary function (forced expiratory volume in one second and forced vital capacity) or postural stability (very low-quality evidence). Although no change was reported in exercise capacity as assessed by the maximum rate of oxygen use and distance completed in a six minute walk test, a 10% improvement in exercise duration was found when working at 60% of maximal effort in one study (n = 20) (very low-quality evidence). In a further study (n = 18), when working at 80% of maximal effort, health-related quality of life improved in the mastery and emotion domains (very low-quality evidence). With regards to the review's secondary outcomes, one study (n = 11) found a change in intramural pressure, functional residual capacity and maximal inspiratory pressure following training (very low-quality evidence). Another study (n=36) reported improvements in maximal inspiratory pressure following training (P < 0.001) (very low-quality evidence). A further study (n = 22) reported that respiratory muscle endurance was longer in the training group (P < 0.01). No studies reported significant differences on any other secondary outcomes. Meta-analyses could not be performed due to a lack of consistency and insufficient detail in reported outcome measures. AUTHORS' CONCLUSIONS There is insufficient evidence to suggest whether this intervention is beneficial or not. Healthcare practitioners should consider the use of respiratory muscle training on a case-by-case basis. Further research of reputable methodological quality is needed to determine the effectiveness of respiratory muscle training in people with cystic fibrosis. Researchers should consider the following clinical outcomes in future studies; respiratory muscle function, pulmonary function, exercise capacity, hospital admissions, and health-related quality of life. Sensory-perceptual changes, such as respiratory effort sensation (e.g. rating of perceived breathlessness) and peripheral effort sensation (e.g. rating of perceived exertion) may also help to elucidate mechanisms underpinning the effectiveness of respiratory muscle training.
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Affiliation(s)
- Gemma Stanford
- Department of Cystic Fibrosis, Royal Brompton & Harefield NHS Foundation Trust, London, UK
- National Heart and Lung Insititute, Imperial College London, London, UK
| | | | - Arturo Solis-Moya
- Servicio de Neumología, Hospital Nacional de Niños, San José, Costa Rica
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19
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Oliveira PRD, Scoz RD, Alves BMO, Mesquita TRD, Silva Junior RAD, Vieira ER, Amorim CF. HEART RATE AND LOWER LIMB MUSCLE ACTIVITY ON CYCLE ERGOMETER. REV BRAS MED ESPORTE 2020. [DOI: 10.1590/1517-8692202026062019_005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT Introduction: Muscle activity in the pedal stroke movement on a cycle ergometer can be measured by surface electromyography, as an effective and improved method for studying muscle action and objectively determining the different action potentials of the muscles involved in specific movements. Heart rate behavior is an important factor during exercise with load. Objective: To identify heart rate behavior and pattern of muscle activity of the rectus femoris and vastus medialis in healthy subjects in the pedaling dynamic at different loads, submaximal test, on an instrumented cycle ergometer. Methods: 20 healthy adults were evaluated. Heart rate measurement was performed, together with electromyographic analysis, in the time domain, of the rectus femoris and vastus medialis muscles during incremental exercise of the lower limbs on the cycle ergometer. Results: Heart rate behavior presented significant difference for p≥0.05 in relation to increased loads. The EMG signal intensity from the vastus medialis muscle (normalized RMS value) in each quadrant of the pedaling cycle showed significant difference for p≥0.05 in relation to quadrants I, II and IV and significant difference for p≥0.05 in relation to quadrants III and IV. In the rectus femoris (RF) muscle, there was significant difference for p≥0.05 in relation to quadrants I, II and IV and significant difference for p≥0.05 in relation to quadrants I, II and III. Conclusion: An increase in heart rate proportional to the increase in load was observed, as well as an increase in the amplitude of the electromyographic signal proportional to the increase in load. It was possible to identify the pattern of muscle activation in the studied quadrants during pedal stroke movements, independent of load. Level of evidence III; Study of non-consecutive patients; without uniform application of the “gold” standard reference.
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Affiliation(s)
| | | | - Bruno Mazziotti Oliveira Alves
- Universidade da Cidade de São Paulo, Brazil; Paris Saint-Germain Department of Physical Therapy and Biomechanics, France
| | | | | | | | - Cesar Ferreira Amorim
- Universidade da Cidade de São Paulo, Brazil; Universidé du Québec à Chicoutimi, Canada; International University, United States
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20
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Shei RJ, Dekerlegand RL, Mackintosh KA, Lowman JD, McNarry MA. Inspiration for the Future: The Role of Inspiratory Muscle Training in Cystic Fibrosis. SPORTS MEDICINE-OPEN 2019; 5:36. [PMID: 31396726 PMCID: PMC6687783 DOI: 10.1186/s40798-019-0210-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 07/31/2019] [Indexed: 11/10/2022]
Abstract
Cystic fibrosis (CF) is an inherited, multi-system, life-limiting disease characterized by a progressive decline in lung function, which accounts for the majority of CF-related morbidity and mortality. Inspiratory muscle training (IMT) has been proposed as a rehabilitative strategy to treat respiratory impairments associated with CF. However, despite evidence of therapeutic benefits in healthy and other clinical populations, the routine application of IMT in CF can neither be supported nor refuted due to the paucity of methodologically rigorous research. Specifically, the interpretation of available studies regarding the efficacy of IMT in CF is hampered by methodological threats to internal and external validity. As such, it is important to highlight the inherent risk of bias that differences in patient characteristics, IMT protocols, and outcome measurements present when synthesizing this literature prior to making final clinical judgments. Future studies are required to identify the characteristics of individuals who may respond to IMT and determine whether the controlled application of IMT can elicit meaningful improvements in physiological and patient-centered clinical outcomes. Given the equivocal evidence regarding its efficacy, IMT should be utilized on a case-by-case basis with sound clinical reasoning, rather than simply dismissed, until a rigorous evidence-based consensus has been reached.
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Affiliation(s)
- Ren-Jay Shei
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, 1918 University Boulevard, Birmingham, AL, 35294-0006, USA. .,Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Robert L Dekerlegand
- Department of Physical Therapy, College of Rehabilitation Sciences, Jefferson (Philadelphia University and Thomas Jefferson University), Philadelphia, PA, USA
| | - Kelly A Mackintosh
- Applied Sports Science Technology and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, UK
| | - John D Lowman
- Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.,Department of Physical Therapy, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Melitta A McNarry
- Applied Sports Science Technology and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, UK
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21
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Irons JY, Petocz P, Kenny DT, Chang AB. Singing as an adjunct therapy for children and adults with cystic fibrosis. Cochrane Database Syst Rev 2019; 7:CD008036. [PMID: 31425607 PMCID: PMC6699649 DOI: 10.1002/14651858.cd008036.pub5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Cystic fibrosis is a genetically inherited, life-threatening condition that affects major organs. The management of cystic fibrosis involves a multi-faceted daily treatment regimen that includes airway clearance techniques, pancreatic enzymes and other medications. Previous studies have found that compliance with this intensive treatment is poor, especially among adolescents. Because of both the nature and consequences of the illness and the relentless demands of the treatment, many individuals with cystic fibrosis have a poor quality of life. Anecdotal reports suggest that singing may provide both appropriate exercise for the whole respiratory system and a means of emotional expression which may enhance quality of life. This is an update of a previously published review. OBJECTIVES To evaluate the effects of singing as an adjunct therapy to standard treatment on the quality of life, morbidity, respiratory muscle strength and pulmonary function of children and adults with cystic fibrosis. SEARCH METHODS We searched the Group's Cystic Fibrosis Trials Register and the Cochrane Central Register of Controlled Trials. Date of latest search: 07 January 2019.We also searched major allied complementary data bases, and clinical trial registers. Additionally, we handsearched relevant conference proceedings and journals. Date of latest search: 28 March 2019. SELECTION CRITERIA Randomised controlled trials in which singing (as an adjunct intervention) is compared with either a control intervention (for example, playing computer games or doing craft activities) or no singing in people with cystic fibrosis. DATA COLLECTION AND ANALYSIS Results of searches were reviewed against pre-determined criteria for inclusion. Only one eligible trial was available for analysis. MAIN RESULTS Since only one small study (n = 40) was included, no meta-analysis could be performed. The included randomised controlled study was of parallel design and undertaken at two paediatric hospitals in Australia. The study evaluated the effects of a singing program on the quality of life and respiratory muscle strength of hospitalised children with cystic fibrosis (mean age 11.6 years, 35% male). While the singing group received eight individual singing sessions, the control group participated in preferred recreational activities, such as playing computer games or watching movies. This study was limited by a small sample size (51 participants) and a high drop-out rate (21%). There were no differences between the groups at either post-intervention or follow-up; although by the end of treatment there were some improvements in some of the domains of the quality of life questionnaire Cystic Fibrosis Questionnaire-Revised (e.g. emotional, social and vitality domains) for both singing and control groups. For the respiratory muscle strength indices, maximal expiratory pressure at follow-up (six to eight weeks post-intervention) was higher in the singing group, mean difference 25.80 (95% confidence interval 5.94 to 45.66). There was no difference between groups for any of the other respiratory function parameters (maximal inspiratory pressure, spirometry) at either post-intervention or follow-up. No adverse effects were observed in the singing group; adverse events for the control group were not reported in the paper. AUTHORS' CONCLUSIONS There is insufficient evidence to determine the effects of singing on quality of life or on the respiratory parameters in people with cystic fibrosis. However, there is growing interest in non-medical treatments for cystic fibrosis and researchers may wish to investigate the impact of this inexpensive therapy on respiratory function and psychosocial well-being further in the future.
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Affiliation(s)
- J. Yoon Irons
- University of DerbyHealth and Social Care Research CentreDerbyUK
| | - Peter Petocz
- Macquarie UniversityDepartment of StatisticsEastern RoadSydneyNSWAustralia2109
| | - Dianna Theadora Kenny
- University of SydneyBehavioural and Social Sciences in Health, Faculty of Health SciencesEast StLidcombeNSWAustralia1825
| | - Anne B Chang
- Menzies School of Health Research, Charles Darwin UniversityChild Health DivisionPO Box 41096DarwinNorthern TerritoriesAustralia0811
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Okrzymowska P, Kurzaj M, Seidel W, Rożek-Piechura K. Eight Weeks of Inspiratory Muscle Training Improves Pulmonary Function in Disabled Swimmers-A Randomized Trial. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E1747. [PMID: 31108842 PMCID: PMC6571650 DOI: 10.3390/ijerph16101747] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 01/07/2023]
Abstract
BACKGROUND According to the literature, inspiratory muscle fatigue may increase after swimming training (ST). This study aimed to examine the efficacy of 8-week inspiratory muscular training (IMT) in disabled swimmers, combined with standard sports training, on selected parameters of lung ventilation and the function of respiratory muscles. METHODS A total of 16 disabled swimming division athletes from Wroclaw's 'Start' Regional Sports Association qualified for the study. The subjects were randomly divided into two groups (ST and IMT). Both groups participated in swimming training for 8 weeks (8 times a week). The IMT group additionally participated in inspiratory muscle training (8 weeks). In all respondents, a functional lung test and the respiratory muscle strength was measured. RESULTS After 8 weeks of training, a significant increase in ventilation parameters and respiratory muscle strength was observed only in the IMT group. In ST group 1, a 20% improvement in the strength of inspiratory muscles was achieved. CONCLUSIONS The inclusion of IMT is an important element that complements swimming training, allowing for greater increases in lung ventilation parameters and the strength of respiratory muscles in disabled swimmers.
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Affiliation(s)
- Paulina Okrzymowska
- Department for Rehabilitation in Internal Medicine, University School of Physical Education, Al. I.J. Paderewskiego 35, Building P4, 51-612 Wrocław, Poland.
| | - Monika Kurzaj
- Department for Rehabilitation in Internal Medicine, University School of Physical Education, Al. I.J. Paderewskiego 35, Building P4, 51-612 Wrocław, Poland.
| | - Wojciech Seidel
- Department of Paralympic Sports, University School of Physical Education, Al. I.J. Paderewskiego 35, Building P4, 51-612 Wrocław, Poland.
| | - Krystyna Rożek-Piechura
- Department for Rehabilitation in Internal Medicine, University School of Physical Education, Al. I.J. Paderewskiego 35, Building P4, 51-612 Wrocław, Poland.
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Bostanci Ö, Mayda H, Yılmaz C, Kabadayı M, Yılmaz AK, Özdal M. Inspiratory muscle training improves pulmonary functions and respiratory muscle strength in healthy male smokers. Respir Physiol Neurobiol 2019; 264:28-32. [PMID: 30953791 DOI: 10.1016/j.resp.2019.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/26/2019] [Accepted: 04/02/2019] [Indexed: 11/18/2022]
Abstract
The aim of the present study is to investigate the effects of inspiratory muscle training (IMT) on pulmonary function and respiratory muscle strength of both healthy smokers and nonsmokers. Forty-two healthy males (16 in the IMT smokers group [IMTS], 16 in the IMT nonsmokers group [IMTN], and 10 in the placebo group) participated in the present study. Using a randomized, double-blind, placebo-controlled design, IMTS and IMTN underwent 4 weeks of 30 breaths twice daily at 50% (+5% increase each week) of maximum inspiratory pressure (MIP), while the placebo group maintained 30 breaths twice daily at 15% MIP using an IMT device. The data were analyzed with repeated measures for one-way analysis of variance, 3 × 2 mixed factor analysis of variance, and least significant difference tests. Respiratory muscle strength (MIP and maximal expiratory pressure [MEP]) and pulmonary functions significantly improved after a 4-week period (between the pre and posttests) in the IMTN and IMTS groups (p < 0.05). The mean difference and percentage differences showed significant alterations in the respiratory muscle strength, forced and slow pulmonary capacities, and pulmonary volume between the IMTN and IMTS groups (p < 0.05). There were significant changes in the expiratory muscle strength (MEP), slow vital capacity (SVC), and forced pulmonary measurements (forced expiratory volume after 1 s and maximal voluntary ventilation) between IMTN and IMTS groups in favor of smokers (p < 0.05). These results show that greater improvements occurred in smokers after IMT. Increased respiratory muscle strength may be the underlying mechanism responsible for this improvement. Additionally, the benefits of IMT were greater in smokers than nonsmokers. This difference between smokers and nonsmokers may potentially be explained by higher influence of exercise on smokers' lung microbiome, resulting in greater reversal of negative effects.
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Affiliation(s)
- Özgür Bostanci
- Sport Science Faculty, Ondokuz Mayıs University, Ondokuz Mayıs University Performance Laboratory, Ondokuz Mayıs University, Yaşar Doğu Sport Science Faculty, 55100, Samsun, Turkey.
| | - Hakan Mayda
- Sport Science Faculty, Ondokuz Mayıs University, Ondokuz Mayıs University Performance Laboratory, Ondokuz Mayıs University, Yaşar Doğu Sport Science Faculty, 55100, Samsun, Turkey.
| | - Coşkun Yılmaz
- Graduate School of Health Sciences, Ondokuz Mayıs University, Ondokuz Mayıs University Performance Laboratory, Ondokuz Mayıs University, Yaşar Doğu Sport Science Faculty, 55100, Samsun, Turkey.
| | - Menderes Kabadayı
- Sport Science Faculty, Ondokuz Mayıs University, Ondokuz Mayıs University Performance Laboratory, Ondokuz Mayıs University, Yaşar Doğu Sport Science Faculty, 55100, Samsun, Turkey.
| | - Ali Kerim Yılmaz
- Graduate School of Health Sciences, Ondokuz Mayıs University, Ondokuz Mayıs University Performance Laboratory, Ondokuz Mayıs University, Yaşar Doğu Sport Science Faculty, 55100, Samsun, Turkey.
| | - Mustafa Özdal
- Physical Education and Sport, Institution: Gaziantep University, Laboratory: Gaziantep University Performance Laboratory, Gaziantep University, Physical Education and Sport Dept., 27310, Gaziantep, Turkey.
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Kaszuba M, Śliwka A, Piliński R, Nowobilski R, Wloch T. Methodologies of inspiratory muscle training techniques in obstructive lung diseases. REHABILITACJA MEDYCZNA 2019. [DOI: 10.5604/01.3001.0013.1474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: Inspiratory muscle training (IMT) is a non-pharmacological, non-invasive therapeutic method that can improve the quality of life in patients with obstructive lung diseases. The effectiveness of IMT may depends on the type of the device used in the training and the parameters of the training programme.
Objectives: The aim of the review was to present different techniques and protocols of IMT used in patients with obstructive lung diseases.
Methods: The MEDLINE and EMBASE were searched to identify the potentially eligible publications from the previous 5 years. The various protocols of IMT used in different studies were analysed and described in detail.
Results: A database search identified 333 records, of which 22 were included into the final analysis. All of the finally analysed studies were conducted in patients with chronic obstructive pulmonary disease (COPD). The protocols of IMT used in the studies differed in the type of the device used, the duration of the training programme, the number and the duration of training sessions, the initial load, and the rate at which the load was changed during the training.
Conclusions: IMT is used mainly in studies on patients with COPD and not with asthma. There is no one approved training programme for IMT. The most predominant type of IMT is a training with threshold loading. The most frequently used devices for IMT are POWERbreath and Threshold IMT. The protocols of IMT used in the studies are very diverse.
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Affiliation(s)
- Marek Kaszuba
- Zakład Rehabilitacji w Chorobach Wewnętrznych, Instytut Fizjoterapii, Wydział Nauk o Zdrowiu, Uniwersytet Jagielloński Collegium Medicum / Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
| | - Agnieszka Śliwka
- Zakład Rehabilitacji w Chorobach Wewnętrznych, Instytut Fizjoterapii, Wydział Nauk o Zdrowiu, Uniwersytet Jagielloński Collegium Medicum / Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
| | - Rafał Piliński
- Zakład Rehabilitacji w Chorobach Wewnętrznych, Instytut Fizjoterapii, Wydział Nauk o Zdrowiu, Uniwersytet Jagielloński Collegium Medicum / Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
| | - Roman Nowobilski
- Zakład Rehabilitacji w Chorobach Wewnętrznych, Instytut Fizjoterapii, Wydział Nauk o Zdrowiu, Uniwersytet Jagielloński Collegium Medicum / Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
| | - Tomasz Wloch
- Zakład Rehabilitacji w Chorobach Wewnętrznych, Katedra Rehabilitacji Klinicznej, Wydział Rehabilitacji Ruchowej, Akademia Wychowania Fizycznego w Krakowie / Department of Physiotherapy, University School of Physical Education, Krakow, Poland
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Shelley J, Boddy LM, Knowles ZR, Stewart CE, Dawson EA. Physical activity and associations with clinical outcome measures in adults with cystic fibrosis; a systematic review. J Cyst Fibros 2019; 18:590-601. [PMID: 30926321 DOI: 10.1016/j.jcf.2019.03.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 03/04/2019] [Accepted: 03/10/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Physical activity (PA) is important in the management of Cystic Fibrosis (CF) and is associated with a number of beneficial effects. PA assessment is not commonplace or consistent in clinical practice, therefore understanding of PA in adults with CF remains limited. The purpose of this review was to evaluate PA levels in this population and compare PA to global recommendations and non-CF peers. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines were utilised to inform the review process. Original research was identified and screened against inclusion/exclusion criteria. Quality was assessed, data extracted and a narrative synthesis undertaken to describe the findings. RESULTS Adults with CF did not achieve recommended PA guidelines and step count targets in 5/8 studies where assessment was possible. No significant differences in PA were found between CF and non-CF peers in 3/5 studies. Associations between PA and improved lung function were inconsistent with 4/9 studies finding a positive association. Evidence for an association between PA and higher exercise capacity was stronger with all 4 studies reviewed reporting a positive association. Quality ratings were low across all studies. CONCLUSIONS PA in adults with CF is largely comparable to their non-CF peers, despite being insufficiently active to achieve PA recommendations. Assessment tools used and outcomes reported are variable, many of which do not provide sufficient information to assess relevant components of PA. There is a requirement for high quality studies designed specifically to explore PA in adults with CF, ideally employing standardised PA assessment methods.
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Affiliation(s)
- James Shelley
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom.
| | - Lynne M Boddy
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Zoe R Knowles
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Claire E Stewart
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Ellen A Dawson
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
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Zeren M, Cakir E, Gurses HN. Effects of inspiratory muscle training on postural stability, pulmonary function and functional capacity in children with cystic fibrosis: A randomised controlled trial. Respir Med 2019; 148:24-30. [DOI: 10.1016/j.rmed.2019.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 01/18/2019] [Accepted: 01/23/2019] [Indexed: 12/27/2022]
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Bissett B, Leditschke IA. Inspiratory Muscle Training to Enhance Weaning from Mechanical Ventilation. Anaesth Intensive Care 2019; 35:776-9. [DOI: 10.1177/0310057x0703500520] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This report describes the use of specific inspiratory muscle training to enhance weaning from mechanical ventilation in a patient who had failed conventional weaning strategies. A 79-year-old man remained ventilator-dependent 17 days following laparotomy. A program of daily inspiratory muscle training was initiated. The mean training threshold increased progressively during the program and simultaneously the periods of unassisted breathing achieved gradually increased. By day 27, mechanical ventilation was no longer required. Inspiratory muscle training can be implemented effectively in the difficult to wean patient and should be considered for patients who have failed conventional weaning strategies.
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Affiliation(s)
- B. Bissett
- Intensive Care Unit, The Canberra Hospital, Garran, Australian Capital Territory, Australia
| | - I. A. Leditschke
- Intensive Care Unit, The Canberra Hospital, Garran, Australian Capital Territory, Australia
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McCreery JL, Mackintosh KA, Cox NS, McNarry MA. Assessing the Perceptions of Inspiratory Muscle Training in Children With Cystic Fibrosis and Their Multidisciplinary Team: Mixed-Methods Study. JMIR Pediatr Parent 2018; 1:e11189. [PMID: 31518290 PMCID: PMC6715104 DOI: 10.2196/11189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/15/2018] [Accepted: 08/16/2018] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Little is known about the opinions or perceived benefits of an inspiratory muscle training intervention in patients with cystic fibrosis and their multidisciplinary team. OBJECTIVE The aim of this qualitative study was to examine patients' and multidisciplinary teams' views on inspiratory muscle training to inform and tailor future interventions. METHODS Individual, semistructured interviews were conducted to evaluate participants' perspectives of a 4-week inspiratory muscle training intervention. In this study, 8 of 13 individuals involved in the inspiratory muscle training program (5 children aged 11-14 years; 2 physiotherapists; and 1 respiratory physician) participated. Interviews were transcribed verbatim, analyzed using thematic analyses, and then coded into relevant themes. RESULTS Four key themes emerged: acceptability, facilitators, barriers, and recommendations. While fun, enjoyment, and improved perceived physical ability were reported by children and their multidisciplinary team following the inspiratory muscle training program, the multidisciplinary team identified factors such as time and cost as key barriers. CONCLUSIONS A short inspiratory muscle training program was perceived to have positive effects on the physical ability and psychosocial health of children with cystic fibrosis. These findings highlight the importance of obtaining participants' and multidisciplinary teams' perceptions and recommendations to ensure the efficacy and optimal design of future inspiratory muscle training protocols.
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Affiliation(s)
- Jessica L McCreery
- School of Sport and Exercise Sciences, College of Engineering, Swansea University, Swansea, United Kingdom
| | - Kelly A Mackintosh
- School of Sport and Exercise Sciences, College of Engineering, Swansea University, Swansea, United Kingdom
| | - Narelle S Cox
- School of Allied Health, Department of Rehabilitation, Nutrition and Sport, La Trobe University, Melbourne, Australia
| | - Melitta A McNarry
- School of Sport and Exercise Sciences, College of Engineering, Swansea University, Swansea, United Kingdom
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Ray C, Trudeau MD, McCoy S. Effects of Respiratory Muscle Strength Training in Classically Trained Singers. J Voice 2018; 32:644.e25-644.e34. [DOI: 10.1016/j.jvoice.2017.08.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 08/02/2017] [Accepted: 08/03/2017] [Indexed: 11/30/2022]
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Tanizawa K, Handa T, Kubo T, Chen-Yoshikawa TF, Aoyama A, Motoyama H, Hijiya K, Yoshizawa A, Oshima Y, Ikezoe K, Tokuda S, Nakatsuka Y, Murase Y, Nagai S, Muro S, Oga T, Chin K, Hirai T, Date H. Clinical significance of radiological pleuroparenchymal fibroelastosis pattern in interstitial lung disease patients registered for lung transplantation: a retrospective cohort study. Respir Res 2018; 19:162. [PMID: 30165854 PMCID: PMC6117972 DOI: 10.1186/s12931-018-0860-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 08/13/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Radiological pleuroparenchymal fibroelastosis (PPFE) lesion is characterized by pleural thickening with associated signs of subpleural fibrosis on high-resolution computed tomography (HRCT). This study evaluated the clinical significance of radiological PPFE as an isolated finding or associated with other interstitial lung diseases (ILDs) in patients having fibrotic ILDs and registered for cadaveric lung transplantation (LT). METHODS This retrospective study included 118 fibrotic ILD patients registered for LT. Radiological PPFE on HRCT was assessed. The impact of radiological PPFE on clinical features and transplantation-censored survival were evaluated. RESULTS Radiological PPFE was observed in 30/118 cases (25%): definite PPFE (PPFE concentrated in the upper lobes, with involvement of lower lobes being less marked) in 12 (10%) and consistent PPFE (PPFE not concentrated in the upper lobes, or PPFE with features of coexistent disease present elsewhere) in 18 (15%). Of these, 12 had late-onset non-infectious pulmonary complications after hematopoietic stem-cell transplantation and/or chemotherapy (LONIPCs), 9 idiopathic PPFE, and 9 other fibrotic ILDs (idiopathic pulmonary fibrosis, IPF; other idiopathic interstitial pneumonias, other IIPs; connective tissue disease-associated ILD, CTD-ILD, and hypersensitivity pneumonia, HP). Radiological PPFE was associated with previous history of pneumothorax, lower body mass index, lower percentage of predicted forced vital capacity (%FVC), higher percentage of predicted diffusion capacity of carbon monoxide, less desaturation on six-minute walk test, and hypercapnia. The median survival time of all study cases was 449 days. Thirty-seven (28%) received LTs: cadaveric in 31 and living-donor lobar in six. Of 93 patients who did not receive LT, 66 (71%) died. Radiological PPFE was marginally associated with better survival after adjustment for age, sex, %FVC, and six-minute walk distance < 250 m (hazard ratio 0.51 [0.25-1.05], p = 0.07). After adjustment for covariates, idiopathic PPFE and LONIPC with radiological PPFE was associated with better survival than fibrotic ILDs without radiological PPFE (hazard ratio 0.38 [0.16-0.90], p = 0.03), and marginally better survival than other fibrotic ILDs with radiological PPFE (hazard ratio, 0.20 [0.04-1.11], p = 0.07). CONCLUSIONS idiopathic PPFE and LONIPC with radiological PPFE has better survival on the wait list for LT than fibrotic ILDs without radiological PPFE, after adjustment for age, sex, %FVC, and six-minute walk distance.
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Affiliation(s)
- Kiminobu Tanizawa
- Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Tomohiro Handa
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Takeshi Kubo
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Toyofumi F Chen-Yoshikawa
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Akihiro Aoyama
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Hideki Motoyama
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Kyoko Hijiya
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Akihiko Yoshizawa
- Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Yohei Oshima
- Department of Rehabilitation, Kyoto University Hospital, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Kohei Ikezoe
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Shinsaku Tokuda
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Yoshinari Nakatsuka
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Yuko Murase
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Sonoko Nagai
- Kyoto Central Clinic, Clinical Research Center, 58,56 Sanjodori Takakura Hidashihairu Masuyasho, Nakagyo-ku, Kyoto, 604-8111, Japan
| | - Shigeo Muro
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Toru Oga
- Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Kazuo Chin
- Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Toyohiro Hirai
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawaharacho, Sakyo-ku, Kyoto, 606-8507, Japan
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Medeiros AICD, Brandão DC, Souza RJPD, Fuzari HKB, Barros CESR, Barbosa JBN, Leite JC, Cavalcanti FCB, Dornelas de Andrade A, de Melo Marinho PÉ. Effects of daily inspiratory muscle training on respiratory muscle strength and chest wall regional volumes in haemodialysis patients: a randomised clinical trial. Disabil Rehabil 2018; 41:3173-3180. [DOI: 10.1080/09638288.2018.1485181] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | | | | | | | | | | | - Jéssica Costa Leite
- Department of Physical Therapy, Universidade Federal de Pernambuco, Recife, Brazil
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Abstract
BACKGROUND Cystic fibrosis is the most common autosomal recessive disease in white populations, and causes respiratory dysfunction in the majority of individuals. Numerous types of respiratory muscle training to improve respiratory function and health-related quality of life in people with cystic fibrosis have been reported in the literature. Hence a systematic review of the literature is needed to establish the effectiveness of respiratory muscle training (either inspiratory or expiratory muscle training) on clinical outcomes in cystic fibrosis. This is an update of a previously published review. OBJECTIVES To determine the effectiveness of respiratory muscle training on clinical outcomes in people with cystic fibrosis. SEARCH METHODS We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Trials register comprising of references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings.Date of most recent search: 17 April 2018.A hand search of the Journal of Cystic Fibrosis and Pediatric Pulmonology was performed, along with an electronic search of online trial databases up until 07 May 2018. SELECTION CRITERIA Randomised controlled studies comparing respiratory muscle training with a control group in people with cystic fibrosis. DATA COLLECTION AND ANALYSIS Review authors independently selected articles for inclusion, evaluated the methodological quality of the studies, and extracted data. Additional information was sought from trial authors where necessary. The quality of the evidence was assessed using the GRADE system MAIN RESULTS: Authors identified 19 studies, of which nine studies with 202 participants met the review's inclusion criteria. There was wide variation in the methodological and written quality of the included studies. Four of the nine included studies were published as abstracts only and lacking concise details, thus limiting the information available. Seven studies were parallel studies and two of a cross-over design. Respiratory muscle training interventions varied dramatically, with frequency, intensity and duration ranging from thrice weekly to twice daily, 20% to 80% of maximal effort, and 10 to 30 minutes, respectively. Participant numbers ranged from 11 to 39 participants in the included studies; five studies were in adults only and four in a combination of children and adults.No significant improvement was reported in the primary outcome of pulmonary function (forced expiratory volume in one second and forced vital capacity) (very low-quality evidence). Although no change was reported in exercise capacity as assessed by the maximum rate of oxygen use, a 10% improvement in exercise duration was found when working at 60% of maximal effort in one study (n = 20) (very low-quality evidence). In a further study (n = 18), when working at 80% of maximal effort, health-related quality of life improved in the mastery and emotion domains (very low-quality evidence). With regards to the review's secondary outcomes, one study (n = 11) found a significant change in intramural pressure, functional residual capacity and maximal inspiratory pressure following training (low-quality evidence). A further study (n = 22) reported that respiratory muscle endurance was significantly longer in the training group (P < 0.01). No studies reported on any other secondary outcomes. Meta-analyses could not be performed due to a lack of consistency and insufficient detail in reported outcome measures. AUTHORS' CONCLUSIONS There is insufficient evidence to suggest whether this intervention is beneficial or not. Healthcare practitioners should consider the use of respiratory muscle training on a case-by-case basis. Further research of reputable methodological quality is needed to determine the effectiveness of respiratory muscle training in people with cystic fibrosis. Researchers should consider the following clinical outcomes in future studies; respiratory muscle function, pulmonary function, exercise capacity, hospital admissions, and health-related quality of life. Sensory-perceptual changes, such as respiratory effort sensation (e.g. rating of perceived breathlessness) and peripheral effort sensation (e.g. rating of perceived exertion) may also help to elucidate mechanisms underpinning the effectiveness of respiratory muscle training.
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Affiliation(s)
- Nathan Hilton
- Liverpool Heart and Chest Hospital NHS Foundation TrustThomas DriveLiverpoolUKL14 3PE
| | - Arturo Solis‐Moya
- Hospital Nacional de NiñosServicio de NeumologíaCaja Costarricense del Seguro SocialPO Box 220 ‐ 1017San JoséCosta Rica
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Cho JE, Lee HJ, Kim MK, Lee WH. The improvement in respiratory function by inspiratory muscle training is due to structural muscle changes in patients with stroke: a randomized controlled pilot trial. Top Stroke Rehabil 2017; 25:37-43. [DOI: 10.1080/10749357.2017.1383681] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ji-Eun Cho
- Department of Physical Therapy, Graduate School, Sahmyook University, Seoul, Republic of Korea
- Department of Physical Therapy, Myongji Choonhey Rehabilitation Hospital, Seoul, Republic of Korea
| | - Hwang-Jae Lee
- Department of Physical and Rehabilitation Medicine, Center for Prevention & Rehabilitation, Heart Vascular and Stroke, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Min-Kyu Kim
- Department of Physical Therapy, Myongji Choonhey Rehabilitation Hospital, Seoul, Republic of Korea
| | - Wan-Hee Lee
- Department of Physical Therapy, College of Health Science, Sahmyook University, Seoul, Republic of Korea
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Singing as an adjunct therapy for children and adults with cystic fibrosis: A Cochrane review summary. Int J Nurs Stud 2017; 82:163-164. [PMID: 29055499 DOI: 10.1016/j.ijnurstu.2017.09.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Chuang HY, Chang HY, Fang YY, Guo SE. The effects of threshold inspiratory muscle training in patients with chronic obstructive pulmonary disease: A randomised experimental study. J Clin Nurs 2017; 26:4830-4838. [PMID: 28382660 DOI: 10.1111/jocn.13841] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/17/2017] [Indexed: 11/29/2022]
Abstract
AIMS AND OBJECTIVES To investigate the effects of threshold inspiratory muscle training in patients with stages II through IV chronic obstructive pulmonary disease using maximum inspiratory pressure, baseline dyspnoea index, 6-minute walk test and quality of life. BACKGROUND A threshold inspiratory muscle training device provides pressure for inspiratory muscle strength, but there is limited information on the effects of threshold inspiratory muscle training starting at low pressure training. DESIGN Randomised experimental design. METHODS A total of 55 patients completed this study between September 2013-April 2014. The experimental group (n = 27) was provided medical treatment and routine care, along with five sessions of threshold inspiratory muscle training per week (21-30 min per session), accompanied by a progressive increase in the pressure threshold over a period of 8 weeks. The control group (n = 28) was provided medical treatment and routine care only, without intervention. In the inferential analysis, p values <.05 were considered to indicate statistical significance. RESULTS After 8 weeks in the experimental group, mean maximum inspiratory pressure improved by -17.6 ± 0.18 cmH2 O, mean 6-minute walk test improved by 47.8 ± 1.46 m, and the baseline dyspnoea index increased from 4.48 ± 2.12 points to 9.0 ± 2.27 points. These data and quality of life were statistically different between the experimental and the control groups (p < .05). CONCLUSIONS The threshold inspiratory muscle training can reduce patients' difficulties with respect to daily activities, thereby reducing the burden on the family, and improving prognosis in patients with moderate-to-very severe chronic obstructive pulmonary disease.
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Affiliation(s)
| | - Hsiao-Yun Chang
- Department of Nursing, Fooyin University, Kaohsiung City, Taiwan
| | - Yueh-Yen Fang
- Department of Nursing, Fooyin University, Kaohsiung City, Taiwan
| | - Su-Er Guo
- Graduate Institute of Nursing, College of Nursing, Chang Gung University of Science and Technology (CGUST), Pu-tz, Taiwan.,Chronic Diseases and Health Promotion Research Center, CGUST, Pu-tz, Taiwan
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Wong ML, Anderson RG, Garcia K, Housmann EM, McHale E, Goldberger GS, Cahalin LP. The effect of inspiratory muscle training on respiratory variables in a patient with ankylosing spondylitis: A case report. Physiother Theory Pract 2017; 33:805-814. [PMID: 28715240 DOI: 10.1080/09593985.2017.1346023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ankylosing Spondylitis (AS) presents with both musculoskeletal and cardiorespiratory pathophysiological manifestations. Inspiratory muscle training (IMT) may be a useful intervention to address deficits in respiratory and functional status. CASE DESCRIPTION A 25-year-old male with AS initially sought treatment for low back and right hip pain, but 7 weeks of IMT was also provided due to abnormal respiratory performance. OUTCOMES At baseline, the patient presented with a resting respiratory rate (RR) of 14.5 breaths/minute, tidal volume (TV) of 0.76 L, minute ventilation (VE) of 10.87 L/min, and end tidal CO2 (PetCO2) of 30.56 mmHg. Baseline exercise test results revealed a VO2max of 44 ml/kg/min and VE to CO2 output (VE/VCO2) slope of 30. Baseline MIP, SMIP, and MEP were 54 cm H2O, 507 PTU, and 87 cm H2O, respectively, and increased to 176 cm H2O, 807 PTU, and 151 cm H2O, respectively, after IMT. The VO2max increased to 51 ml/kg/min with decreases in the VE/VCO2 slope (29), resting RR (12 breaths/minute), resting TV (0.52 L), and resting VE (6.83 L/min) after IMT. Improvements during postural challenges were also observed. DISCUSSION This case demonstrates the clinical utility of respiratory gas analysis and respiratory performance measures to identify functional deficits and manage a patient with AS. The improvements in respiratory performance at rest, during postural challenges, and during maximal exercise after a relatively short period of IMT highlights the role IMT may have to improve functional status in patients with AS. Further investigation of IMT in patients with AS is warranted.
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Affiliation(s)
- Marlon L Wong
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
| | - Rachael G Anderson
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
| | - Kelsey Garcia
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
| | - Elissa M Housmann
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
| | - Erin McHale
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
| | - Gregory S Goldberger
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
| | - Lawrence P Cahalin
- a Department of Physical Therapy , Leonard M. Miller School of Medicine, University of Miami , Miami , FL , USA
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Tucker MA, Crandall R, Seigler N, Rodriguez-Miguelez P, McKie KT, Forseen C, Thomas J, Harris RA. A single bout of maximal exercise improves lung function in patients with cystic fibrosis. J Cyst Fibros 2017; 16:752-758. [PMID: 28651845 DOI: 10.1016/j.jcf.2017.05.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/30/2017] [Accepted: 05/31/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND Responses to a single bout of exercise may provide critical information for maximizing improvements in pulmonary function following exercise training in cystic fibrosis (CF). We sought to determine if acute maximal exercise improves pulmonary function in patients with CF. METHODS Thirty-three patients with CF completed a comprehensive assessment of pulmonary function to determine forced vital capacity (FVC), forced expiratory volume in one second (FEV1), and lung clearance index (LCI) prior to and immediately following maximal aerobic exercise on a cycle ergometer. RESULTS Following exercise, FVC (∆0.08±0.14L) and FEV1 (∆0.06±0.15L) increased, while LCI decreased (∆-0.71±0.93) (all p<0.05). Changes in FEV1 (%predicted) were associated with peak work (r=0.40, p=0.02) and peak pulmonary ventilation (r=0.45, p=0.01). CONCLUSIONS A single bout of maximal exercise acutely improves pulmonary function in patients with CF and improvements may be related to peak work and peak pulmonary ventilation.
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Affiliation(s)
- Matthew A Tucker
- Georgia Prevention Institute, Augusta University, Augusta, Georgia, United States
| | - Reva Crandall
- Georgia Prevention Institute, Augusta University, Augusta, Georgia, United States; Pediatric Pulmonology, Augusta University, Augusta, Georgia, United States
| | - Nichole Seigler
- Georgia Prevention Institute, Augusta University, Augusta, Georgia, United States
| | | | - Kathleen T McKie
- Pediatric Pulmonology, Augusta University, Augusta, Georgia, United States
| | - Caralee Forseen
- Pulmonary and Critical Care Medicine, Augusta University, Augusta, Georgia, United States
| | - Jeffrey Thomas
- Georgia Prevention Institute, Augusta University, Augusta, Georgia, United States
| | - Ryan A Harris
- Georgia Prevention Institute, Augusta University, Augusta, Georgia, United States; Sport and Exercise Sciences Research Institute, Ulster University, Jordanstown, Northern Ireland, United Kingdom.
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Woszezenki CT, Paulo Heinzmann-Filho J, Donadio MVF. Inspiratory muscle training in pediatrics: main indications and technical characteristics of the protocols. FISIOTERAPIA EM MOVIMENTO 2017. [DOI: 10.1590/1980-5918.030.s01.ar01] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract Introduction: Inspiratory muscle training (IMT) is a resource widely used in pediatrics. However, there is great variability in relation to the characteristics of the protocols used. Objective: To identify the main clinical conditions and IMT protocols used in the pediatric age group. Methods: Integrative review of the literature by searching on Pubmed, Scielo, PEDro and EMBASE databases using the following strategy: threshold OR inspiratory muscle training OR muscle endurance OR muscle resistance OR endurance training OR maximal inspiratory pressure AND respiratory muscle. We have selected clinical trials that performed IMT in children and adolescents (0 to 18 years old), with a clinical diagnosis, and published in English, Portuguese and Spanish. Results: 17 studies were included. From these, 11 underwent IMT in patients with some neuromuscular disorder, being Duchenne Muscular Dystrophy the most common. The selected articles included a total sample of 327 participants. As for the characteristics of the protocols, 7 performed strength training, 5 endurance and 5 strength and endurance. The training load ranged from 30 to 80% of maximal inspiratory pressure. Moreover, 8 studies performed IMT twice daily and the session duration and the training period varied between 10 and 30 minutes, and from 3 weeks to 24 months, respectively. Conclusion: The IMT was used more frequently in patients with some neuromuscular disorder. Although there is no consensus as to the characteristics of the protocols, the choice of the load should take into account the purpose of IMT and the disease severity.
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Irzaldy A, Wiyasihati SI, Purwanto B. Lung Vital Capacity of Choir Singers and Nonsingers: A Comparative Study. J Voice 2016; 30:717-720. [DOI: 10.1016/j.jvoice.2015.08.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 08/12/2015] [Indexed: 11/28/2022]
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Irons JY, Petocz P, Kenny DT, Chang AB. Singing as an adjunct therapy for children and adults with cystic fibrosis. Cochrane Database Syst Rev 2016; 9:CD008036. [PMID: 27629557 PMCID: PMC6457756 DOI: 10.1002/14651858.cd008036.pub4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Cystic fibrosis is a genetically inherited, life-threatening condition that affects major organs. The management of cystic fibrosis involves a multi-faceted daily treatment regimen that includes airway clearance techniques, pancreatic enzymes and other medications. Previous studies have found that compliance with this intensive treatment is poor, especially among adolescents. Because of both the nature and consequences of the illness and the relentless demands of the treatment, many individuals with cystic fibrosis have a poor quality of life. Anecdotal reports suggest that singing may provide both appropriate exercise for the whole respiratory system and a means of emotional expression which may enhance quality of life. This is an update of a previously published review. OBJECTIVES To evaluate the effects of singing as an adjunct therapy to standard treatment on the quality of life, morbidity, respiratory muscle strength and pulmonary function of children and adults with cystic fibrosis. SEARCH METHODS We searched the Group's Cystic Fibrosis Trials Register and the Cochrane Central Register of Controlled Trials. Date of latest search: 18 February 2016.We also searched major allied complementary data bases, and clinical trial registers. Additionally, we handsearched relevant conference proceedings and journals. Date of latest search: 18 February 2016. SELECTION CRITERIA Randomised controlled trials in which singing (as an adjunct intervention) is compared with either a control intervention (for example, playing computer games or doing craft activities) or no singing in people with cystic fibrosis. DATA COLLECTION AND ANALYSIS Results of searches were reviewed against pre-determined criteria for inclusion. Only one eligible trial was available for analysis. MAIN RESULTS Since only one small study (n = 40) was included, no meta-analysis could be performed. The included randomised controlled study was of parallel design and undertaken at two paediatric hospitals in Australia. The study evaluated the effects of a singing program on the quality of life and respiratory muscle strength of hospitalised children with cystic fibrosis (mean age 11.6 years, 35% male). While the singing group received eight individual singing sessions, the control group participated in preferred recreational activities, such as playing computer games or watching movies. This study was limited by a small sample size (51 participants) and a high drop-out rate (21%). There were no significant differences between the groups at either post-intervention or follow up; although by the end of treatment there were some within-group statistically significant increases for both singing and control groups in some of the domains of the quality of life questionnaire Cystic Fibrosis Questionnaire-Revised (e.g. emotional, social and vitality domains). For the respiratory muscle strength indices, maximal expiratory pressure at follow up (six to eight weeks post-intervention) was higher in the singing group, mean difference 25.80 (95% confidence interval 5.94 to 45.66). There was no significant difference between groups for any of the other respiratory function parameters (maximal inspiratory pressure, spirometry) at either post-intervention or follow up. AUTHORS' CONCLUSIONS There is insufficient evidence to determine the effects of singing on quality of life or on the respiratory parameters in people with cystic fibrosis. However, there is growing interest in non-medical treatments for cystic fibrosis and researchers may wish to investigate the impact of this inexpensive therapy on respiratory function and psychosocial well-being further in the future.
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Affiliation(s)
- J. Yoon Irons
- South Bank Campus, Griffith UniversityQueensland Conservatorium Research Centre140 Grey StreetBrisbaneAustraliaQLD 4101
| | - Peter Petocz
- Macquarie UniversityDepartment of StatisticsEastern RoadSydneyAustralia2109
| | - Dianna Theadora Kenny
- University of SydneyBehavioural and Social Sciences in Health, Faculty of Health SciencesEast StLidcombeAustralia1825
| | - Anne B Chang
- Menzies School of Health Research, Charles Darwin UniversityChild Health DivisionPO Box 41096DarwinAustralia0811
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Özdal M. Acute effects of inspiratory muscle warm-up on pulmonary function in healthy subjects. Respir Physiol Neurobiol 2016; 227:23-6. [DOI: 10.1016/j.resp.2016.02.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 01/19/2016] [Accepted: 02/17/2016] [Indexed: 10/22/2022]
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Kriemler S, Radtke T, Christen G, Kerstan-Huber M, Hebestreit H. Short-Term Effect of Different Physical Exercises and Physiotherapy Combinations on Sputum Expectoration, Oxygen Saturation, and Lung Function in Young Patients with Cystic Fibrosis. Lung 2016; 194:659-64. [DOI: 10.1007/s00408-016-9888-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 04/23/2016] [Indexed: 11/30/2022]
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The impact of resistance respiratory muscle training with a SpiroTiger(®) device on lung function, exercise performance, and health-related quality of life in respiratory diseases. POLISH JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2016; 12:386-90. [PMID: 26855662 PMCID: PMC4735547 DOI: 10.5114/kitp.2015.56796] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 10/18/2015] [Indexed: 11/30/2022]
Abstract
Introduction There are studies demonstrating that respiratory muscles can be trained using proper stimulation. Positive effects have been achieved in patients with pulmonary diseases and in patients after thoracic surgery procedures using isocapnic hyperpnoea training with a SpiroTiger® device. The aim of this study was to investigate whether SpiroTiger® training has an impact on forced expiratory volume in one second (FEV1), exercise performance, respiratory muscle fitness, and health-related quality of life. Material and methods Search phrases “spirotiger” and “spiro tiger” were entered into the search engines of the following databases: Academic Search Complete, Medline, Ebscohost, and PubMed. Results One article about chronic obstructive pulmonary disease (COPD) and 4 articles about cystic fibrosis were found. Conclusions The positive effect of SpiroTiger® training on FEV1 cannot be unequivocally confirmed as it was found only in two of the five analysed studies. SpiroTiger® training has a positive impact on exercise performance measured with the six-minute walk test; it increases breathing muscle fitness in patients with COPD and in patients after thoracic surgery procedures, and it improves health-related quality of life.
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Oh D, Kim G, Lee W, Shin MMS. Effects of inspiratory muscle training on balance ability and abdominal muscle thickness in chronic stroke patients. J Phys Ther Sci 2016; 28:107-11. [PMID: 26957739 PMCID: PMC4755985 DOI: 10.1589/jpts.28.107] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 10/14/2015] [Indexed: 11/24/2022] Open
Abstract
[Purpose] This study evaluated the effects of inspiratory muscle training on pulmonary
function, deep abdominal muscle thickness, and balance ability in stroke patients.
[Subjects] Twenty-three stroke patients were randomly allocated to an experimental (n =
11) or control group (n = 12). [Methods] The experimental group received inspiratory
muscle training-based abdominal muscle strengthening with conventional physical therapy;
the control group received standard abdominal muscle strengthening with conventional
physical therapy. Treatment was conducted 20 minutes per day, 3 times per week for 6
weeks. Pulmonary function testing was performed using an electronic spirometer. Deep
abdominal muscle thickness was measured by ultrasonography. Balance was measured using the
Berg balance scale. [Results] Forced vital capacity, forced expiratory volume in 1 second,
deep abdominal muscle thickness, and Berg balance scale scores were significantly improved
in the experimental group than in the control group. [Conclusion] Abdominal muscle
strengthening accompanied by inspiratory muscle training is recommended to improve
pulmonary function in stroke patients, and may also be used as a practical adjunct to
conventional physical therapy.
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Affiliation(s)
- Dongha Oh
- Department of Physical Therapy, Sahmyook University, Republic of Korea
| | - Gayeong Kim
- Department of Physical Therapy, Sahmyook University, Republic of Korea
| | - Wanhee Lee
- Department of Physical Therapy, Sahmyook University, Republic of Korea
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Cahalin LP, Arena R. Novel methods of inspiratory muscle training via the Test of Incremental Respiratory Endurance (TIRE). Exerc Sport Sci Rev 2015; 43:84-92. [PMID: 25607279 DOI: 10.1249/jes.0000000000000042] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The favorable effects of inspiratory muscle training (IMT) in health and disease are becoming much more apparent. A variety of IMT methods exist, but few studies have compared IMT methods. The purpose of this article is to review the methods and outcomes of the Test of Incremental Respiratory Endurance (TIRE).
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Affiliation(s)
- Lawrence P Cahalin
- 1Department of Physical Therapy, Leonard M. Miller School of Medicine, University of Miami, Miami, FL; and 2Department of Physical Therapy and Integrative Physiology Laboratory, College of Applied Health Sciences, University of Illinois Chicago, Chicago, IL
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Pouwels S, Kools-Aarts M, Said M, Teijink JAW, Smeenk FWJM, Nienhuijs SW. Effects of bariatric surgery on inspiratory muscle strength. SPRINGERPLUS 2015; 4:322. [PMID: 26180742 PMCID: PMC4493261 DOI: 10.1186/s40064-015-1088-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 06/08/2015] [Indexed: 11/25/2022]
Abstract
Background The respiratory function is affected by obesity due to an increased deposition of fat on the chest wall. The objective of this study was to investigate the strength of the inspiratory respiratory muscles of obese individuals and the possible influence of bariatric surgery on it by measuring the maximum inspiratory pressure (MIP). Methods Patients referred to a bariatric centre between the 3rd of October 2011 and the 3rd of May 2012 were screened preoperatively by a multidisciplinary team. Their MIP was measured at screening and 3, 6 and 9 months postoperative. In case of a preoperative MIP lower than 70% of predicted pressure training was provided supervised by a physiotherapist. Results The mean age of 124 included patients was 42.9 ± 11.0 years and mean BMI was 43.1 ± 5.2 kg/m2. The mean predicted MIP preoperatively was 127 ± 31 in cm H2O and the mean measured MIP was 102 ± 24 in cm H2O. Three patients (2.4%) received training. Three months after surgery the MIP was 76 ± 26 cm H2O, after 6 months 82 ± 28 cm H2O and after 9 months 86 ± 28 cm H2O. All postoperative measurements were significant lower than preoperatively (P < 0.05). The only influencing factor for the preoperative MIP was age (p = 0.014). Conclusion The preoperative MIP values were significantly lower than the predicted MIP values, probably due to altered respiratory mechanics.
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Affiliation(s)
- Sjaak Pouwels
- Department of Surgery, Catharina Hospital, Michelangelolaan 2, P.O. Box 1350, 5602 ZA Eindhoven, The Netherlands ; Department of Epidemiology, CAPHRI Research School, Maastricht University, Maastricht, The Netherlands
| | - Marieke Kools-Aarts
- Department of Surgery, Catharina Hospital, Michelangelolaan 2, P.O. Box 1350, 5602 ZA Eindhoven, The Netherlands
| | - Mohammed Said
- Department of Surgery, Catharina Hospital, Michelangelolaan 2, P.O. Box 1350, 5602 ZA Eindhoven, The Netherlands
| | - Joep A W Teijink
- Department of Surgery, Catharina Hospital, Michelangelolaan 2, P.O. Box 1350, 5602 ZA Eindhoven, The Netherlands ; Department of Epidemiology, CAPHRI Research School, Maastricht University, Maastricht, The Netherlands
| | - Frank W J M Smeenk
- Department of Respiratory Medicine, Catharina Hospital, Eindhoven, The Netherlands
| | - Simon W Nienhuijs
- Department of Surgery, Catharina Hospital, Michelangelolaan 2, P.O. Box 1350, 5602 ZA Eindhoven, The Netherlands
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Barğı G, Güçlü MB, Arıbaş Z, Akı ŞZ, Sucak GT. Inspiratory muscle training in allogeneic hematopoietic stem cell transplantation recipients: a randomized controlled trial. Support Care Cancer 2015; 24:647-659. [DOI: 10.1007/s00520-015-2825-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 06/16/2015] [Indexed: 11/28/2022]
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Dassios T, Kaditis A, Katelari A, Chrousos G, Doudounakis S, Dimitriou G. Time constant of inspiratory muscle relaxation in cystic fibrosis. Pediatr Res 2015; 77:541-5. [PMID: 25642662 DOI: 10.1038/pr.2015.2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 09/30/2014] [Indexed: 11/10/2022]
Abstract
BACKGROUND Patients with cystic fibrosis (CF) are at increased risk of inspiratory muscle fatigue and respiratory failure. The time constant (τ) of the inspiratory muscle relaxation is a simple bedside test of muscle fatigue. We have compared patients with CF and healthy controls regarding τ and hypothesized that it is negatively associated with severity of lower airway obstruction. METHODS For this cross-sectional study, τ after maximal inspiration and spirometric indices (forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC)) were measured. RESULTS Fifty-three CF patients (median age 14 y (interquartile range: 11-19.5)) and 53 age- and sex-matched healthy control subjects (14 y (11-19.5)) were recruited. Application of a general linear model revealed that health status (CF vs. non-CF) had a significant effect on τ (P < 0.001), but age group and the interaction of age group with health status did not have significant effects on τ (P = 0.10 and P = 0.71, respectively). Participants with CF had significantly higher τ (253 (188-406)) than control subjects (117 (81-185)) (P < 0.001) and τ was negatively related to FEV1 (r = -0.205; P = 0.031) and FVC (r = -0.294; P = 0.002). CONCLUSION Patients with CF have higher τ than healthy controls but the correlation of τ with expiratory flow function is modest.
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Affiliation(s)
- Theodore Dassios
- Department of Pediatrics, University of Patras School of Medicine, Patras, Greece
| | - Athanasios Kaditis
- First Department of Pediatrics, University of Athens School of Medicine, Athens, Greece
| | - Anna Katelari
- Cystic Fibrosis Center, Aghia Sophia Children's Hospital, Athens, Greece
| | - George Chrousos
- First Department of Pediatrics, University of Athens School of Medicine, Athens, Greece
| | | | - Gabriel Dimitriou
- Department of Pediatrics, University of Patras School of Medicine, Patras, Greece
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Dassios T. Determinants of respiratory pump function in patients with cystic fibrosis. Paediatr Respir Rev 2015; 16:75-9. [PMID: 24661942 DOI: 10.1016/j.prrv.2014.01.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Revised: 01/15/2014] [Accepted: 01/15/2014] [Indexed: 10/25/2022]
Abstract
Respiratory failure constitutes the major cause of morbidity and mortality in patients with Cystic Fibrosis (CF). Respiratory failure could either be due to lung parenchyma damage or to insufficiency of the respiratory pump which consists of the respiratory muscles, the rib cage and the neuromuscular transmission pathways. Airway obstruction, hyperinflation and malnutrition have been historically recognised as the major determinants of respiratory pump dysfunction in CF. Recent research has identified chronic infection, genetic predisposition, dietary and pharmaceutical interventions as possible additional determinants of this impairment. Furthermore, new methodological approaches in assessing respiratory pump function have led to a better understanding of the pathogenesis of respiratory pump failure in CF. Finally, respiratory muscle function could be partially preserved in CF patients with structured interventions such as aerobic exercise, inspiratory muscle training and non-invasive ventilation and CF patients could consequently be relatively protected from respiratory fatigue and respiratory failure.
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Affiliation(s)
- Theodore Dassios
- Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge, CB2 0SW, UK.
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Souza H, Rocha T, Pessoa M, Rattes C, Brandao D, Fregonezi G, Campos S, Aliverti A, Dornelas A. Effects of Inspiratory Muscle Training in Elderly Women on Respiratory Muscle Strength, Diaphragm Thickness and Mobility. J Gerontol A Biol Sci Med Sci 2014; 69:1545-53. [DOI: 10.1093/gerona/glu182] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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