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Post TE, Denney C, Cohen A, Jordan J, Limper U. Human hypoxia models in aerospace medicine: Potential applications for human pharmacological research. Br J Clin Pharmacol 2024. [PMID: 38556349 DOI: 10.1111/bcp.16040] [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: 06/21/2023] [Revised: 02/07/2024] [Accepted: 02/17/2024] [Indexed: 04/02/2024] Open
Abstract
Aerospace medicine required controlled terrestrial models to investigate influences of altered atmosphere conditions, such as hypoxia, on human health and performance. These models could potentially be expanded to encompass disease conditions or treatment targets regulated through hypoxia or hypercapnia. Hypoxia, a condition in which the body is deprived of adequate oxygen supply, profoundly affects human physiology at multiple levels and contributes to the pathogenesis of various diseases. Experimental exposure to hypoxic conditions has gained recognition as a model for studying diseases such as pulmonary hypertension, chronic obstructive pulmonary disease, obstructive sleep apnoea, migraine and kidney disease. This approach may be particularly useful in mechanism-oriented early-stage clinical studies. This review discusses the ability of hypoxia models from space medicine research to mimic or induce these conditions in a controlled laboratory setting as a tool for testing the efficacy and safety of new pharmaceutical interventions.
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Affiliation(s)
- Titiaan E Post
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Centre for Human Drug Research (CHDR), Leiden, The Netherlands
| | - Cayla Denney
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
| | - Adam Cohen
- DDCD Consulting and Leiden University Medical Centre, Leiden, The Netherlands
| | - Jens Jordan
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Medical Faculty, University of Cologne, Cologne, Germany
| | - Ulrich Limper
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Department of Anesthesiology and Intensive Care Medicine, Merheim Medical Center, Hospitals of Cologne, University of Witten/Herdecke, Cologne, Germany
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2
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Daher A, Dreher M. Supplemental oxygen therapy in chronic obstructive pulmonary disease: is less is more? How much is too much? Curr Opin Pulm Med 2024; 30:179-184. [PMID: 37882582 DOI: 10.1097/mcp.0000000000001025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
PURPOSE OF REVIEW Currently available evidence supporting the use of supplemental oxygen therapy (SOT) in chronic obstructive pulmonary disease (COPD) is complex, and data on the mortality reduction associated with SOT usage in patients with severe daytime resting hypoxemia have not been updated since the development of other treatments. RECENT FINDINGS No reduction in mortality was found when SOT was used in patients with moderate resting daytime, isolated nocturnal, or exercise-induced hypoxemia. However, some of these patients obtain other significant benefits during SOT, including increased exercise endurance, and a mortality reduction is possible in these 'responders'. The adverse effects of long-term oxygen therapy also need to be considered, such as reduced mobility and social stigma. Furthermore, conservative SOT could improve outcomes in the setting of COPD exacerbations compared with higher concentration oxygen regimens. Compared with usual fixed-dose SOT, automated oxygen administration devices might reduce dyspnea during exercise and COPD exacerbations. SUMMARY Current recommendations for SOT need to be revised to focus on patients who respond best and benefit most from this therapy. A conservative approach to SOT can reduce side effects compared with higher concentration oxygen regimens, and automated oxygen administration devices may help to optimize SOT.
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Affiliation(s)
- Ayham Daher
- Department of Pneumology and Intensive Care Medicine, University Hospital RWTH Aachen, Aachen, Germany
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3
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NEUNHÄUSERER DANIEL, HUDELMAIER MARTIN, NIEDERSEER DAVID, VECCHIATO MARCO, WIRTH WOLFGANG, STEIDLE-KLOC EVA, KAISER BERNHARD, LAMPRECHT BERND, ERMOLAO ANDREA, STUDNICKA MICHAEL, NIEBAUER JOSEF. The Impact of Exercise Training and Supplemental Oxygen on Peripheral Muscles in Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial. Med Sci Sports Exerc 2023; 55:2123-2131. [PMID: 37535316 PMCID: PMC10662626 DOI: 10.1249/mss.0000000000003268] [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] [Indexed: 08/04/2023]
Abstract
OBJECTIVE Exercise training is a cornerstone of the treatment of chronic obstructive pulmonary disease, whereas the related interindividual heterogeneity in skeletal muscle dysfunction and adaptations are not yet fully understood. We set out to investigate the effects of exercise training and supplemental oxygen on functional and structural peripheral muscle adaptation. METHODS In this prospective, randomized, controlled, double-blind study, 28 patients with nonhypoxemic chronic obstructive pulmonary disease (forced expiratory volume in 1 second, 45.92% ± 9.06%) performed 6 wk of combined endurance and strength training, three times a week while breathing either supplemental oxygen or medical air. The impact on exercise capacity, muscle strength, and quadriceps femoris muscle cross-sectional area (CSA) was assessed by maximal cardiopulmonary exercise testing, 10-repetition maximum strength test of knee extension, and magnetic resonance imaging, respectively. RESULTS After exercise training, patients demonstrated a significant increase in functional capacity, aerobic capacity, exercise tolerance, quadriceps muscle strength, and bilateral CSA. Supplemental oxygen affected significantly the training impact on peak work rate when compared with medical air (+0.20 ± 0.03 vs +0.12 ± 0.03 W·kg -1 , P = 0.047); a significant increase in CSA (+3.9 ± 1.3 cm 2 , P = 0.013) was only observed in the training group using oxygen. Supplemental oxygen and exercise-induced peripheral desaturation were identified as significant opposing determinants of muscle gain during this exercise training intervention, which led to different adaptations of CSA between the respective subgroups. CONCLUSIONS The heterogenous functional and structural muscle adaptations seem determined by supplemental oxygen and exercise-induced hypoxia. Indeed, supplemental oxygen may facilitate muscular training adaptations, particularly in limb muscle dysfunction, thereby contributing to the enhanced training responses on maximal aerobic and functional capacity.
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Affiliation(s)
- DANIEL NEUNHÄUSERER
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
- Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, ITALY
| | - MARTIN HUDELMAIER
- Institute of Anatomy and Cell Biology, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
| | - DAVID NIEDERSEER
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
- Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
- Department of Cardiology, University Heart Center, University Hospital Zurich, Zurich, SWITZERLAND
| | - MARCO VECCHIATO
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, ITALY
| | - WOLFGANG WIRTH
- Institute of Anatomy and Cell Biology, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
| | - EVA STEIDLE-KLOC
- Institute of Anatomy and Cell Biology, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
| | - BERNHARD KAISER
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
| | - BERND LAMPRECHT
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
- Department of Pulmonary Medicine, Faculty of Medicine, Kepler-University-Hospital, Johannes-Kepler-University, Linz, AUSTRIA
| | - ANDREA ERMOLAO
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, ITALY
| | - MICHAEL STUDNICKA
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
| | - JOSEF NIEBAUER
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
- Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Salzburg, AUSTRIA
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Tonga KO, Oliver BG. Effectiveness of Pulmonary Rehabilitation for Chronic Obstructive Pulmonary Disease Therapy: Focusing on Traditional Medical Practices. J Clin Med 2023; 12:4815. [PMID: 37510930 PMCID: PMC10381859 DOI: 10.3390/jcm12144815] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/06/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a complex and serious disease that is characterized by dyspnea, fatigue, decreased exercise tolerance, peripheral muscle dysfunction, and mood disorders. These manifestations are successfully treated with pulmonary rehabilitation, a comprehensive intervention and holistic approach designed to improve the physical and psychological condition of people with COPD. Exercise is a big component of pulmonary rehabilitation programs, but the efficacy of non-traditional forms of exercise as used in alternative medicine is poorly understood. Here, we aim to address this gap in knowledge and summarize the clinical evidence for the use of traditional exercise regimens in the pulmonary rehabilitation of COPD patients.
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Affiliation(s)
- Katrina O Tonga
- Respiratory Cellular and Molecular Biology, Woolcock Institute of Medical Research, Macquarie University, Glebe, NSW 2037, Australia
- Saint Vincent's Hospital Sydney, Darlinghurst, NSW 2010, Australia
| | - Brian G Oliver
- Respiratory Cellular and Molecular Biology, Woolcock Institute of Medical Research, Macquarie University, Glebe, NSW 2037, Australia
- School of Life Sciences, University of Technology Sydney, Sydney, NSW 2007, Australia
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Elmorshidy BES, Elkholy MGA, Elsaadany HM, Mansour YM, Sharshar RS, Bahr HM. Effect of pulmonary rehabilitation programme including either O 2 inhalation or noninvasive ventilation in patients with chronic obstructive pulmonary disease. CANADIAN JOURNAL OF RESPIRATORY THERAPY : CJRT = REVUE CANADIENNE DE LA THERAPIE RESPIRATOIRE : RCTR 2023; 59:45-51. [PMID: 36741305 PMCID: PMC9854385 DOI: 10.29390/cjrt-2022-051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Background Pulmonary rehabilitation (PR) is crucial in managing chronic obstructive pulmonary disease (COPD) and enhancing functional capacity and health status. Oxygen therapy and noninvasive ventilation (NIV) may be needed to be incorporated into rehabilitation to augment the effectiveness of physical training. Objectives To compare and assess the impact of the PR programme alone and with augmentation with O2 or NIV on COPD patients. Methods Seventy-five COPD patients were equally divided into three groups: group 1 patients performed 8 week-PR programme only. Group 2 performed the PR programme while receiving O2. Group 3 completed the PR programme plus NIV. Modified Borg scale, VO2 max, modified Medical Research Council Dyspnea Scale, 6-minute walk test, COPD assessment test score, spirometric measures and arterial blood gases were assessed before and after the programme. Results The outcome measurements showed meaningful improvement compared with the baseline in the three studied groups. However, VO2 max in group 3 showed higher significant improvement than both groups 1 and 2. Regarding 6-minute walk test, groups 2 and 3 had a higher significant improvement than group 1. COPD assessment test score in group 3 showed higher significant improvement than groups 1 and 2. Arterial blood gases in groups 2 and 3 showed significant increase in partial pressure of arterial oxygen and arterial oxygen saturation, but group 3 only had a significant decrease in PaCO2. Conclusion O2 supplementation and NIV help severe to very severe COPD patients to perform higher exercise intensity, so they augment the benefits of PR.
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Affiliation(s)
| | | | - Hanan Mohamed Elsaadany
- Physical Medicine and Rehabilitation Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | | | | | - Hoda Mokhtar Bahr
- Chest Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Chihara Y, Tsuboi T, Sumi K, Sato A. Effectiveness of high-flow nasal cannula on pulmonary rehabilitation in subjects with chronic respiratory failure. Respir Investig 2022; 60:658-666. [PMID: 35644803 DOI: 10.1016/j.resinv.2022.05.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/03/2022] [Accepted: 05/01/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The effects of exercise training using both high fraction of inspired oxygen (FIO2) and high flow oxygen delivered through a high-flow nasal cannula (HFNC) on exercise capacity in patients with chronic respiratory failure (CRF) receiving long-term oxygen therapy (LTOT) are unknown. METHODS In this randomized study, 32 patients with CRF receiving LTOT were assigned to undergo 4 weeks of exercise training on a cycle ergometer using an HFNC (flow: 50 L/min) with a FIO2 of 1.0 (HFNC group; n = 16) or ordinary supplemental oxygen via a nasal cannula (flow: 6 L/min) (oxygen group; n = 16). A 6-min walking test and a constant-load test were performed before and after 4 weeks of exercise training. RESULTS Following 4 weeks of exercise training, change in the 6-min walking distance was significantly greater in the HFNC than in the oxygen group (55.2 ± 69.6 m vs. -0.5 ± 87.3 m; p = 0.04). However, there was no significant difference between the two groups in the degree of improvement in the duration of the constant-load exercise test after exercise training. CONCLUSIONS Considering the effect on daily activities (e.g., walking), exercise training using both high FIO2 and high flow through an HFNC is a potentially superior exercise training modality for patients with CRF receiving LTOT. Clinical Trial Registration - http://www. CLINICALTRIALS gov. Unique identifier: NCT02804243.
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Affiliation(s)
- Yuichi Chihara
- Department of Respiratory Medicine, National Hospital Organization Minami-Kyoto Hospital, Kyoto, Japan.
| | - Tomomasa Tsuboi
- Department of Respiratory Medicine, National Hospital Organization Minami-Kyoto Hospital, Kyoto, Japan
| | - Kensuke Sumi
- Department of Respiratory Medicine, National Hospital Organization Minami-Kyoto Hospital, Kyoto, Japan
| | - Atsuo Sato
- Department of Respiratory Medicine, National Hospital Organization Minami-Kyoto Hospital, Kyoto, Japan
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7
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Wenger HC, Cifu AS, Lee CT. Home Oxygen Therapy for Adults With Chronic Obstructive Pulmonary Disease or Interstitial Lung Disease. JAMA 2021; 326:1738-1739. [PMID: 34726722 DOI: 10.1001/jama.2021.12073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | - Adam S Cifu
- The University of Chicago, Chicago, Illinois
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Effect of Automated Oxygen Titration during Walking on Dyspnea and Endurance in Chronic Hypoxemic Patients with COPD: A Randomized Crossover Trial. J Clin Med 2021; 10:jcm10214820. [PMID: 34768338 PMCID: PMC8584500 DOI: 10.3390/jcm10214820] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 11/17/2022] Open
Abstract
The need for oxygen increases with activity in patients with COPD and on long-term oxygen treatment (LTOT), leading to periods of hypoxemia, which may influence the patient’s performance. This study aimed to evaluate the effect of automated oxygen titration compared to usual fixed-dose oxygen treatment during walking on dyspnea and endurance in patients with COPD and on LTOT. In a double-blinded randomised crossover trial, 33 patients were assigned to use either automated oxygen titration or the usual fixed-dose in a random order in two walking tests. A closed-loop device, O2matic delivered a variable oxygen dose set with a target saturation of 90–94%. The patients had a home oxygen flow of (mean ± SD) 1.6 ± 0.9 L/min. At the last corresponding isotime in the endurance shuttle walk test, the patients reported dyspnea equal to median (IQR) 4 (3–6) when using automated oxygen titration and 8 (5–9) when using fixed doses, p < 0.001. The patients walked 10.9 (6.5–14.9) min with automated oxygen compared to 5.5 (3.3–7.9) min with fixed-dose, p < 0.001. Walking with automated oxygen titration had a statistically significant and clinically important effect on dyspnea. Furthermore, the patients walked for a 98% longer time when hypoxemia was reduced with a more well-matched, personalised oxygen treatment.
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9
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Souto-Miranda S, Rodrigues G, Spruit MA, Marques A. Pulmonary rehabilitation outcomes in individuals with chronic obstructive pulmonary disease: a systematic review. Ann Phys Rehabil Med 2021; 65:101564. [PMID: 34329794 DOI: 10.1016/j.rehab.2021.101564] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND The magnitude of response to pulmonary rehabilitation (PR) is influenced by the selection of outcomes and measures. OBJECTIVES This systematic review aimed to review all outcomes and measures used in clinical trials of PR for individuals with chronic obstructive pulmonary disease (COPD). METHODS The review involved a search of Scopus, Web of Knowledge, Cochrane Library, EBSCO, Science Direct and PubMed databases for studies of stable individuals with COPD undergoing PR. Frequency of reporting for each domain, outcome and measure was synthesized by using Microsoft Excel. RESULTS We included 267 studies (43153 individuals with COPD). A broad range of domains (n=22), outcomes (n=163) and measures (n=217) were reported. Several measures were used for the same outcome. The most reported outcomes were exercise capacity (n=218) assessed with the 6-min walk test (n=140), health-related quality of life (n=204) assessed with the Saint George's respiratory questionnaire (n=99), and symptoms (n=158) assessed with the modified Medical Research Council dyspnea scale (n=56). The least reported outcomes were comorbidities, adverse events and knowledge. CONCLUSIONS This systematic review reinforces the need for a core outcome set for PR in individuals with COPD because of high heterogeneity in reported outcomes and measures. Future studies should assess the importance of each outcome for PR involving different stakeholders. PROSPERO ID CRD42017079935.
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Affiliation(s)
- Sara Souto-Miranda
- Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences (ESSUA), University of Aveiro, Aveiro, Portugal; iBiMED: Institute of Biomedicine, University of Aveiro, Aveiro, Portugal; Department of Respiratory Medicine, Maastricht University Medical Centre, NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Guilherme Rodrigues
- Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences (ESSUA), University of Aveiro, Aveiro, Portugal
| | - Martijn A Spruit
- Department of Respiratory Medicine, Maastricht University Medical Centre, NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands; Department of Research and Development, CIRO, Horn, Netherlands
| | - Alda Marques
- Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences (ESSUA), University of Aveiro, Aveiro, Portugal; iBiMED: Institute of Biomedicine, University of Aveiro, Aveiro, Portugal.
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Kawachi S, Yamamoto S, Nishie K, Yamaga T, Shibuya M, Sakai Y, Fujimoto K. The effectiveness of supplemental oxygen during exercise training in patients with chronic obstructive pulmonary disease who show severe exercise-induced desaturation: a protocol for a meta-regression analysis and systematic review. Syst Rev 2021; 10:110. [PMID: 33853692 PMCID: PMC8048026 DOI: 10.1186/s13643-021-01667-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 04/06/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Supplemental oxygen during exercise training is used to increase the training effect of an exercise program in patients with chronic obstructive pulmonary disease (COPD) who show exercise-induced desaturation. Exercise-induced desaturation is not clearly defined in the guidelines; however, it is generally defined in clinical studies as a decrease in SpO2 of more than 4% from rest or a decrease to less than 88% during exercise. Although some meta-analyses examined the effectiveness of supplemental oxygen during exercise training, these studies concluded that it does not further improve exercise tolerance compared to exercise training alone. However, supplemental oxygen during exercise training may be effective in improving exercise tolerance in COPD patients with severe exercise-induced desaturation. Therefore, this study will be performed to elucidate the effectiveness of supplemental oxygen during exercise training and the relationship between its effectiveness and severity of exercise-induced desaturation at baseline. METHODS We will first assess the effectiveness of supplemental oxygen during exercise training in COPD. The main outcome is the change in exercise tolerance before and after the intervention, indicated by the 6-min walking distance, the walking distance, or the walking time in incremental shuttle walking test, and analyzed as the standardized mean difference (SMD). The quality and risk of bias in individual studies will be assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system and risk-of-bias tool (RoB ver.2). If statistical heterogeneity in terms of the effectiveness of exercise tolerance is shown, we will conduct meta-regression analyses to examine the association between the effectiveness of exercise training with supplemental oxygen and severity of exercise-induced desaturation at baseline. DISCUSSION One strength of this study is that it is a systematic review with meta-regression analysis to elucidate the effectiveness of supplemental oxygen during exercise training in patients with COPD who show severe exercise-induced desaturation. Furthermore, we will assess the severity of exercise-induced desaturation for which exercise training with supplemental oxygen is effective, the influence of acute effects at baseline, and the effect of supplemental oxygen on adverse events. SYSTEMATIC REVIEW REGISTRATION Registration number, UMIN000039960.
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Affiliation(s)
- Shohei Kawachi
- Department of Biomedical Laboratory Science, Graduate School of Medicine, Shinshu University, Matsumoto, Japan
- Institute for Biomedical Sciences, Shinshu University, Matsumoto, Japan
| | - Shuhei Yamamoto
- Department of Rehabilitation, Shinshu University Hospital, Matsumoto, Japan
| | - Kenichi Nishie
- The First Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan
- The Department of Respiratory Medicine, Iida Municipal Hospital, Iida, Japan
| | - Takayoshi Yamaga
- Department of Occupational Therapy, Health Science University, Minamitsuru-gun, Japan
| | - Manaka Shibuya
- Department of Rehabilitation, Kitasato University Hospital, Sagamihara, Japan
| | - Yasunari Sakai
- Department of Rehabilitation, Shinshu University Hospital, Matsumoto, Japan
| | - Keisaku Fujimoto
- Department of Clinical Laboratory Sciences, Shinshu University School of Health Sciences, 3-1-1, Asahi, Matsumoto, 390-8621, Japan.
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11
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Zeineddine S, Rowley JA, Chowdhuri S. Oxygen Therapy in Sleep-Disordered Breathing. Chest 2021; 160:701-717. [PMID: 33610579 DOI: 10.1016/j.chest.2021.02.017] [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: 05/12/2020] [Revised: 02/06/2021] [Accepted: 02/08/2021] [Indexed: 11/29/2022] Open
Abstract
Sleep-disordered breathing (SDB) is highly prevalent in adults and leads to significant cardiovascular and neurologic sequelae. Intermittent hypoxia during sleep is a direct consequence of SDB. Administration of nocturnal supplemental oxygen (NSO) has been used as a therapeutic alternative to positive airway pressure (PAP) in SDB. NSO significantly improves oxygen saturation in OSA but is inferior to PAP in terms of reducing apnea severity and may prolong the duration of obstructive apneas. The effect of NSO on daytime sleepiness remains unclear, but NSO may improve physical function-related quality of life in OSA. Its effects on BP reduction remain inconclusive. The effects of NSO vs PAP in OSA with comorbid COPD (overlap syndrome) are unknown. NSO is effective in reducing central sleep apnea related to congestive heart failure; however, its impact on mortality and cardiovascular clinical outcomes are being investigated in an ongoing clinical trial. In conclusion, studies are inconclusive or limited regarding clinical outcomes with oxygen therapy compared with sham or PAP therapy in patients with OSA and overlap syndrome. Oxygen does mitigate central sleep apnea. This review examines the crucial knowledge gaps and suggests future research priorities to clarify the effects of optimal dose and duration of NSO, alone or in combination with PAP, on cardiovascular, sleep, and cognitive outcomes.
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Affiliation(s)
- Salam Zeineddine
- Medical Service, Sleep Medicine Section, John D. Dingell Veterans Affairs Medical Center, Detroit, MI; Division of Pulmonary/Critical Care and Sleep Medicine, Department of Medicine, Wayne State University School of Medicine, Detroit, MI
| | - James A Rowley
- Division of Pulmonary/Critical Care and Sleep Medicine, Department of Medicine, Wayne State University School of Medicine, Detroit, MI
| | - Susmita Chowdhuri
- Medical Service, Sleep Medicine Section, John D. Dingell Veterans Affairs Medical Center, Detroit, MI; Division of Pulmonary/Critical Care and Sleep Medicine, Department of Medicine, Wayne State University School of Medicine, Detroit, MI.
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12
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Haidl P, Jany B, Geiseler J, Andreas S, Arzt M, Dreher M, Frey M, Hauck RW, Herth F, Hämäläinen N, Jehser T, Kenn K, Lamprecht B, Magnet F, Oldenburg O, Schenk P, Schucher B, Studnicka M, Voshaar T, Windisch W, Woehrle H, Worth H. [Guideline for Long-Term Oxygen Therapy - S2k-Guideline Published by the German Respiratory Society]. Pneumologie 2020; 74:813-841. [PMID: 33291162 DOI: 10.1055/a-1252-1492] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Long-term oxygen therapy is of great importance both for reducing mortality and for improving performance in patients with chronic lung diseases. The prerequisites for Long-term oxygen therapy are adequate diagnostics and clearly defined indication. A causal distinction into chronic hypoxaemic and hypercapnic respiratory failure is reasonable, from which the differential indication for non-invasive ventilation results.The revised guideline covers the diagnostics and indication of chronic lung and heart diseases, the role of oxygen in terminal illness and gives a detailed description of available oxygen devices. The guideline is intended to help avoid undersupply, oversupply and false prescriptions. Furthermore, the chapter "Postacute Oxygen Therapy" discusses the procedure, relevant in everyday life, but not yet clearly defined, for prescribing oxygen therapy for the home at the end of an inpatient stay. Another important point, the correct prescription of mobile oxygen systems, is also presented in the guideline. This document is a revised version of the guideline for longterm oxygen therapy and replaces the version of 2008.
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Affiliation(s)
- P Haidl
- Fachkrankenhaus Kloster Grafschaft GmbH, Abteilung Pneumologie II, Schmallenberg
| | - B Jany
- Klinikum Würzburg Mitte (KWM), Klinik für Innere Medizin, Pneumologie und Beatmungsmedizin, Standort MissioKlinik, Würzburg
| | - J Geiseler
- Klinikum Vest, Medizinische Klinik IV: Pneumologie, Beatmungs- und Schlafmedizin, Marl
| | - S Andreas
- Lungenfachklinik Immenhausen, Universitätsmedizin Göttingen, Immenhausen
| | - M Arzt
- Universitätsklinikum Regensburg, Klinik und Poliklinik für Innere Medizin II, Regensburg
| | - M Dreher
- Universitätsklinikum Aachen, Klinik für Pneumologie und Internistische Intensivmedizin, Aachen
| | - M Frey
- Klinik Barmelweid, Rombach, Schweiz
| | - R W Hauck
- Klinikum Altötting, Klinik für Pneumologie, Beatmungs- und Schlafmedizin, Altötting
| | - F Herth
- Thoraxklinik, Abteilung für Pneumologie und Beatmungsmedizin, Universität Heidelberg, Heidelberg
| | | | - T Jehser
- Gemeinschaftskrankenhaus Havelhöhe, Palliativstation, Berlin
| | - K Kenn
- Philips Universität Marburg, Lehrstuhl für pneumologische Rehabilitation, Marburg
| | - B Lamprecht
- Kepler Universitätsklinikum, Med Campus III, Linz, Österreich
| | - F Magnet
- Lungenklinik, Kliniken der Stadt Köln gGmbH, Universität Witten-Herdecke, Fakultät für Gesundheit - Department für Humanmedizin, Köln
| | - O Oldenburg
- Clemenshospital, Klinik für Kardiologie, Münster
| | - P Schenk
- Landesklinikum Hochegg, Abteilung für Pulmologie, Grimmenstein, Österreich
| | - B Schucher
- LungenClinic Grosshansdorf, Großhansdorf
| | - M Studnicka
- Landeskrankenhaus Salzburg, Universitätsklinikum der PMU, Universitätsklinik für Pneumologie, Salzburg, Österreich
| | - T Voshaar
- Krankenhaus Bethanien Lungenzentrum, Medizinische Klinik III, Moers
| | - W Windisch
- Lungenklinik, Kliniken der Stadt Köln gGmbH, Universität Witten-Herdecke, Fakultät für Gesundheit - Department für Humanmedizin, Köln
| | | | - H Worth
- Facharztzentrum Fürth, Fürth
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13
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Neunhäuserer D, Reich B, Mayr B, Kaiser B, Lamprecht B, Niederseer D, Ermolao A, Studnicka M, Niebauer J. Impact of exercise training and supplemental oxygen on submaximal exercise performance in patients with COPD. Scand J Med Sci Sports 2020; 31:710-719. [PMID: 33155295 PMCID: PMC7984048 DOI: 10.1111/sms.13870] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 10/25/2020] [Accepted: 10/27/2020] [Indexed: 12/30/2022]
Abstract
Functional impairment caused by chronic obstructive pulmonary disease (COPD) impacts on activities of daily living and quality of life. Indeed, patients' submaximal exercise capacity is of crucial importance. It was the aim of this study to investigate the effects of an exercise training intervention with and without supplemental oxygen on submaximal exercise performance. This is a secondary analysis of a randomized, controlled, double-blind, crossover trial. 29 COPD patients (63.5 ± 5.9 years; FEV1 46.4 ± 8.6%) completed two consecutive 6-week periods of high-intensity interval cycling and strength training, which was performed three times/week with either supplemental oxygen or medical air (10 L/min). Submaximal exercise capacity as well as the cardiocirculatory, ventilatory, and metabolic response were evaluated at isotime (point of termination in the shortest cardiopulmonary exercise test), at physical work capacity at 110 bpm of heart rate (PWC 110), at the anaerobic threshold (AT), and at the lactate-2 mmol/L threshold. After 12 weeks of exercise training, patients improved in exercise tolerance, shown by decreased cardiocirculatory (heart rate, blood pressure) and metabolic (respiratory exchange ratio, lactate) effort at isotime; ventilatory response was not affected. Submaximal exercise capacity was improved at PWC 110, AT and the lactate-2 mmol/L threshold, respectively. Although supplemental oxygen seems to affect patients' work rate at AT and the lactate-2 mmol/L threshold, no other significant effects were found. The improved submaximal exercise capacity and tolerance might counteract patients' functional impairment. Although cardiovascular and metabolic training adaptations were shown, ventilatory efficiency remained essentially unchanged. The impact of supplemental oxygen seems less important on submaximal training effects.
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Affiliation(s)
- Daniel Neunhäuserer
- Institute of Sports Medicine, Prevention and Rehabilitation and Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University Salzburg, Salzburg, Austria.,Sport and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy
| | - Bernhard Reich
- Institute of Sports Medicine, Prevention and Rehabilitation and Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Barbara Mayr
- Institute of Sports Medicine, Prevention and Rehabilitation and Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Bernhard Kaiser
- University Clinic of Pneumology, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Bernd Lamprecht
- University Clinic of Pneumology, Paracelsus Medical University Salzburg, Salzburg, Austria.,Department of Pulmonary Medicine, Faculty of Medicine, Kepler-University-Hospital, Johannes-Kepler-University, Linz, Austria
| | - David Niederseer
- Institute of Sports Medicine, Prevention and Rehabilitation and Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University Salzburg, Salzburg, Austria.,Division of Cardiology, University Heart Centre, University Hospital Zurich, Zurich, Switzerland
| | - Andrea Ermolao
- Sport and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy
| | - Michael Studnicka
- University Clinic of Pneumology, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Josef Niebauer
- Institute of Sports Medicine, Prevention and Rehabilitation and Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University Salzburg, Salzburg, Austria
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14
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Jacobs SS, Krishnan JA, Lederer DJ, Ghazipura M, Hossain T, Tan AYM, Carlin B, Drummond MB, Ekström M, Garvey C, Graney BA, Jackson B, Kallstrom T, Knight SL, Lindell K, Prieto-Centurion V, Renzoni EA, Ryerson CJ, Schneidman A, Swigris J, Upson D, Holland AE. Home Oxygen Therapy for Adults with Chronic Lung Disease. An Official American Thoracic Society Clinical Practice Guideline. Am J Respir Crit Care Med 2020; 202:e121-e141. [PMID: 33185464 PMCID: PMC7667898 DOI: 10.1164/rccm.202009-3608st] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Background: Evidence-based guidelines are needed for effective delivery of home oxygen therapy to appropriate patients with chronic obstructive pulmonary disease (COPD) and interstitial lung disease (ILD).Methods: The multidisciplinary panel created six research questions using a modified Delphi approach. A systematic review of the literature was completed, and the Grading of Recommendations Assessment, Development and Evaluation approach was used to formulate clinical recommendations.Recommendations: The panel found varying quality and availability of evidence and made the following judgments: 1) strong recommendations for long-term oxygen use in patients with COPD (moderate-quality evidence) or ILD (low-quality evidence) with severe chronic resting hypoxemia, 2) a conditional recommendation against long-term oxygen use in patients with COPD with moderate chronic resting hypoxemia, 3) conditional recommendations for ambulatory oxygen use in patients with COPD (moderate-quality evidence) or ILD (low-quality evidence) with severe exertional hypoxemia, 4) a conditional recommendation for ambulatory liquid-oxygen use in patients who are mobile outside the home and require >3 L/min of continuous-flow oxygen during exertion (very-low-quality evidence), and 5) a recommendation that patients and their caregivers receive education on oxygen equipment and safety (best-practice statement).Conclusions: These guidelines provide the basis for evidence-based use of home oxygen therapy in adults with COPD or ILD but also highlight the need for additional research to guide clinical practice.
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15
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Freitag N, Doma K, Neunhaeuserer D, Cheng S, Bloch W, Schumann M. Is Structured Exercise Performed with Supplemental Oxygen a Promising Method of Personalized Medicine in the Therapy of Chronic Diseases? J Pers Med 2020; 10:jpm10030135. [PMID: 32961816 PMCID: PMC7564446 DOI: 10.3390/jpm10030135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/09/2020] [Accepted: 09/17/2020] [Indexed: 12/22/2022] Open
Abstract
Aim: This systematic review aimed to explore the literature to identify in which types of chronic diseases exercise with supplemental oxygen has previously been utilized and whether this type of personalized therapy leads to superior effects in physical fitness and well-being. Methods: Databases (PubMed/MEDLINE, CINHAL, EMBASE, Web of knowledge and Cochrane Library) were searched in accordance with PRISMA. Eligibility criteria included adult patients diagnosed with any type of chronic diseases engaging in supervised exercise training with supplemental oxygen compared to normoxia. A random-effects model was used to pool effect sizes by standardized mean differences (SMD). Results: Out of the identified 4038 studies, 12 articles were eligible. Eleven studies were conducted in chronic obstructive pulmonary disease (COPD), while one study included coronary artery disease (CAD) patients. No statistical differences were observed for markers of physical fitness and patient-reported outcomes on well-being between the two training conditions (SMD −0.10; 95% CI −0.27, 0.08; p = 0.26). Conclusions: We found that chronic exercise with supplemental oxygen has mainly been utilized for COPD patients. Moreover, no superior long-term adaptations on physical fitness, functional capacity or patient-reported well-being were found, questioning the role of this method as a personalized medicine approach. Prospero registration: CRD42018104649.
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Affiliation(s)
- Nils Freitag
- Department of Molecular and Cellular Sport Medicine, Institute of Cardiovascular Research and Sport Medicine, German Sport University, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany; (N.F.); (W.B.)
| | - Kenji Doma
- Sport and Exercise Science, College of Healthcare Sciences, James Cook University, Townsville, QLD 4811, Australia;
| | - Daniel Neunhaeuserer
- Sport and Exercise Medicine Division, Department of Medicine, University of Padova, 35128 Padova, Italy;
| | - Sulin Cheng
- Department of Physical Education, Exercise, Health and Technology Centre, Shanghai Jiao Tong University, Shanghai 200240, China;
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40014 Jyväskylä, Finland
- The Exercise Translational Medicine Centre, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wilhelm Bloch
- Department of Molecular and Cellular Sport Medicine, Institute of Cardiovascular Research and Sport Medicine, German Sport University, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany; (N.F.); (W.B.)
| | - Moritz Schumann
- Department of Molecular and Cellular Sport Medicine, Institute of Cardiovascular Research and Sport Medicine, German Sport University, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany; (N.F.); (W.B.)
- Department of Physical Education, Exercise, Health and Technology Centre, Shanghai Jiao Tong University, Shanghai 200240, China;
- The Exercise Translational Medicine Centre, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
- Correspondence: ; Tel.: +49-221-4982-4821; Fax: +49-221-4982-8370
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16
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Morris NR, Hill K, Walsh J, Sabapathy S. Exercise & Sports Science Australia (ESSA) position statement on exercise and chronic obstructive pulmonary disease. J Sci Med Sport 2020; 24:52-59. [PMID: 32928654 DOI: 10.1016/j.jsams.2020.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 08/15/2020] [Accepted: 08/17/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVES Chronic obstructive pulmonary disease (COPD) results in airflow obstruction and a marked reduction in exercise capacity and health-related quality of life (HRQoL). Affecting over 1 in four Australians aged over 75 years, COPD remains one of the major causes of disability and death in the world. To date there have been over 80 randomised controlled trials examining the role of exercise training in a range of settings for individuals with COPD. This review will synthesise existing literature and provide health practitioners with broad evidence-based guidelines for exercise-training in this growing population. DESIGN Position stand. METHODS Synthesis of randomised controlled trials of exercise training and of existing guidelines for exercise in COPD. Systematic reviews of alternative modes of exercise training will also be reviewed. RESULTS There is convincing evidence that in adults with COPD, exercise-training improves exercise capacity, decreases symptoms such as dyspnoea and fatigue, and improves HRQoL. There is emerging evidence in this population that alternative modes of exercise training such as high intensity interval training (HIIT), aquatic based therapy, tai chi and neuromuscular electrical stimulation improve exercise outcomes when compared to no exercise. CONCLUSIONS For individuals with COPD, an exercise program of aerobic and strength exercises delivered over at least an 8-week period, that engages lower and upper body skeletal muscles, will deliver significant health improvements. Programs should be individualised, take into consideration relevant co-morbid conditions and be delivered appropriately qualified health practitioners experienced in clinical exercise prescription.
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Affiliation(s)
- Norman R Morris
- School of Allied Health Sciences, Griffith University, Australia; Metro North Hospital and Health Service, The Prince Charles Hospital. Allied Health Research Collaborative, Australia; Menzies Health Institute, Griffith University, Australia; Queensland Lung Transplant Service, The Prince Charles Hospital, Australia.
| | - Kylie Hill
- School of Physiotherapy and Exercise Science, Curtin University, Australia
| | - James Walsh
- School of Allied Health Sciences, Griffith University, Australia; Queensland Lung Transplant Service, The Prince Charles Hospital, Australia
| | - Surendran Sabapathy
- School of Allied Health Sciences, Griffith University, Australia; Metro North Hospital and Health Service, The Prince Charles Hospital. Allied Health Research Collaborative, Australia; Menzies Health Institute, Griffith University, Australia
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17
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Vitacca M, Paneroni M, Zampogna E, Visca D, Carlucci A, Cirio S, Banfi P, Pappacoda G, Trianni L, Brogneri A, Belli S, Paracchini E, Aliani M, Spinelli V, Gigliotti F, Lanini B, Lazzeri M, Clini EM, Malovini A, Ambrosino N. High-Flow Oxygen Therapy During Exercise Training in Patients With Chronic Obstructive Pulmonary Disease and Chronic Hypoxemia: A Multicenter Randomized Controlled Trial. Phys Ther 2020; 100:1249-1259. [PMID: 32329780 DOI: 10.1093/ptj/pzaa076] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Revised: 10/25/2019] [Accepted: 02/05/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The study aimed to evaluate whether high-flow oxygen therapy (HFOT) during training was more effective than oxygen in improving exercise capacity in hypoxemic chronic obstructive pulmonary disease (COPD). METHODS A total of 171 patients with COPD and chronic hypoxemia were consecutively recruited in 8 rehabilitation hospitals in a randomized controlled trial. Cycle-ergometer exercise training was used in 20 supervised sessions at iso inspiratory oxygen fraction in both groups. Pre- and post-training endurance time (Tlim), 6-minute walking distance (6MWD), respiratory and limb muscle strength, arterial blood gases, Barthel Index, Barthel Dyspnea Index, COPD Assessment Test, Maugeri Respiratory Failure questionnaire, and patient satisfaction were evaluated. RESULTS Due to 15.4% and 24.1% dropout rates, 71 and 66 patients were analyzed in HFOT and Venturi mask (V-mask) groups, respectively. Exercise capacity significantly improved after training in both groups with similar patient satisfaction. Between-group difference in post-training improvement in 6MWD (mean: 17.14 m; 95% CI = 0.87 to 33.43 m) but not in Tlim (mean: 141.85 seconds; 95% CI = -18.72 to 302.42 seconds) was significantly higher in HFOT. The minimal clinically important difference of Tlim was reached by 47% of patients in the V-mask group and 56% of patients in the HFOT group, whereas the minimal clinically important difference of 6MWD was reached by 51% of patients in the V-mask group and 69% of patients in the HFOT group, respectively. CONCLUSION In patients with hypoxemic COPD, exercise training is effective in improving exercise capacity. IMPACT STATEMENT The addition of HFOT during exercise training is not more effective than oxygen through V-mask in improving endurance time, the primary outcome, whereas it is more effective in improving walking distance.
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Affiliation(s)
- Michele Vitacca
- Respiratory Rehabilitation Department, Istituti Clinici Scientifici Maugeri IRCCS, Via Salvatore Maugeri, 4 - 27100 Pavia, Italy
| | - Mara Paneroni
- Respiratory Rehabilitation of the Institute of Lumezzane, Istituti Clinici Scientifici Maugeri IRCCS, Brescia, Italy
| | - Elisabetta Zampogna
- Respiratory Rehabilitation of the Institute of Tradate, Istituti Clinici Scientifici Maugeri IRCCS, Varese, Italy
| | - Dina Visca
- Respiratory Rehabilitation of the Institute of Tradate, Istituti Clinici Scientifici Maugeri IRCCS, Varese, Italy
| | - Annalisa Carlucci
- Respiratory Rehabilitation of the Institute of Pavia, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Serena Cirio
- Respiratory Rehabilitation of the Institute of Pavia, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Paolo Banfi
- Respiratory Rehabilitation of the Institute of Milano, IRCCS Fondazione Don Gnocchi, Milano, Italy
| | - Gabriele Pappacoda
- Respiratory Rehabilitation of the Institute of Milano, IRCCS Fondazione Don Gnocchi, Milano, Italy
| | - Ludovico Trianni
- Respiratory Rehabilitation of Villa Pineta, Pavullo nel Frignano, Modena, Italy
| | - Antonio Brogneri
- Respiratory Rehabilitation of Villa Pineta, Pavullo nel Frignano, Modena, Italy
| | - Stefano Belli
- Respiratory Rehabilitation of the Institute of Veruno, Istituti Clinici Scientifici Maugeri IRCCS, Novara, Italy
| | - Elena Paracchini
- Respiratory Rehabilitation of the Institute of Veruno, Istituti Clinici Scientifici Maugeri IRCCS, Novara, Italy
| | - Maria Aliani
- Respiratory Rehabilitation of the Institute of Cassano delle Murge, Istituti Clinici Scientifici Maugeri IRCCS, Bari, Italy
| | - Vito Spinelli
- Respiratory Rehabilitation of the Institute of Cassano delle Murge, Istituti Clinici Scientifici Maugeri IRCCS, Bari, Italy
| | - Francesco Gigliotti
- Respiratory Rehabilitation of the Institute of Firenze, IRCCS Fondazione Don Gnocchi, Firenze, Italy
| | - Barbara Lanini
- Respiratory Rehabilitation of the Institute of Firenze, IRCCS Fondazione Don Gnocchi, Firenze, Italy
| | | | - Enrico M Clini
- Department of Medical and Surgical Sciences, Università degli Studi Modena e Reggio Emilia, Modena, Italy
| | - Alberto Malovini
- Laboratory of Informatics and Systems Engineering for Clinical Research of the Institute of Pavia, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Nicolino Ambrosino
- Respiratory Rehabilitation of the Institute of Montescano, Istituti Clinici Scientifici Maugeri IRCCS, Montescano, Pavia, Italy
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18
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[Pulmonary rehabilitation in the in-hospital and outpatient phases]. Rehabilitacion (Madr) 2020; 54:191-199. [PMID: 32441270 DOI: 10.1016/j.rh.2020.02.008] [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: 12/13/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 11/23/2022]
Abstract
Pulmonary rehabilitation programmes aim to improve aerobic capacity and enhance quality of life in patients with chronic pulmonary disease, facilitating their participation and integration in different areas and activities of daily living, through the prescription and performance of physical exercise, as well as education on risk factors and healthy living. In multidisciplinary processes, various health professionals work together to support patients through the rehabilitation process, guiding lifestyle changes to improve their level of physical activity, nutritional factors, smoking cessation, diabetes management, medication adherence and weight loss, based on theories of behavioural change. The main objective of pulmonary rehabilitation programmes is to empower users in self-care and facilitate long-term management of chronic lung disease.
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19
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Use of supplemental oxygen during exercise testing and training for people with chronic obstructive pulmonary disease: a survey of Australian pulmonary rehabilitation programs. Braz J Phys Ther 2020; 25:97-102. [PMID: 32499168 DOI: 10.1016/j.bjpt.2020.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 04/06/2020] [Accepted: 04/23/2020] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVES The aims of this study were to determine, in Australian pulmonary rehabilitation programs for people with COPD: (1) whether oxygen saturation (SpO2) was monitored during exercise testing; (2) whether supplemental oxygen was available during exercise testing and/or training; (3) whether oxygen was prescribed during exercise training; and the reason for providing oxygen; (4) whether a protocol was available for supplemental oxygen prescription during exercise training. METHODS This was a cross-sectional multi-center study using a purposed-designed survey. De-identified survey data were analyzed and the absolute number and percentage of responses were recorded for each question. RESULTS The survey was sent to 261 pulmonary rehabilitation programs and 142 surveys (54%) were available for analysis. Oxygen saturation was monitored during exercise testing in 92% of programs. Supplemental oxygen was available in the majority of programs during exercise testing (82%) and training (84%). The rationale cited by 87 programs (73%) for prescribing oxygen during exercise training was maintaining SpO2 above a threshold ranging from SpO2 80-88%. Forty-five (32%) programs had a protocol for oxygen prescription during exercise training. CONCLUSION While monitoring of SpO2 during exercise testing and using supplemental oxygen during testing and training is common in Australian pulmonary rehabilitation programs, few programs had a protocol in place for the prescription of supplemental oxygen for people with COPD who were not on long-term oxygen therapy. This may be due to lack of strong evidence to support the use of supplemental oxygen during exercise training.
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20
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Dilektasli AG, Porszasz J, Stringer WW, Casaburi R. Physiologic Effects of Oxygen Supplementation During Exercise in Chronic Obstructive Pulmonary Disease. Clin Chest Med 2020; 40:385-395. [PMID: 31078216 DOI: 10.1016/j.ccm.2019.02.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Supplemental long-term oxygen therapy (LTOT) is a well-established therapy that improves mortality in patients with chronic obstructive pulmonary disease (COPD) with resting hypoxemia. In the large number of patients with COPD who do not have severe resting hypoxemia but who desaturate with exercise, the clinical benefits that can be obtained by supplemental O2 therapy during exercise is an area of interest and active research. A summary of current evidence for benefits of supplemental O2 therapy and a review of physiologic mechanisms underlying published observations are reviewed in this article.
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Affiliation(s)
- Asli Gorek Dilektasli
- Rehabilitation Clinical Trials Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, 1124 W. Carson Street, Building CDCRC, Torrance, CA 90502, USA; Faculty of Medicine, Department of Pulmonary Medicine, Uludağ University, Turkey
| | - Janos Porszasz
- Rehabilitation Clinical Trials Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, 1124 W. Carson Street, Building CDCRC, Torrance, CA 90502, USA
| | - William W Stringer
- Rehabilitation Clinical Trials Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, 1124 W. Carson Street, Building CDCRC, Torrance, CA 90502, USA
| | - Richard Casaburi
- Rehabilitation Clinical Trials Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, 1124 W. Carson Street, Building CDCRC, Torrance, CA 90502, USA.
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21
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Hasler ED, Saxer S, Schneider SR, Furian M, Lichtblau M, Schwarz EI, Bloch KE, Ulrich S. Effect of Breathing Oxygen-Enriched Air on Exercise Performance in Patients with Chronic Obstructive Pulmonary Disease: Randomized, Placebo-Controlled, Cross-Over Trial. Respiration 2020; 99:213-224. [PMID: 32050198 DOI: 10.1159/000505819] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 01/06/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Patients with chronic obstructive pulmonary disease (COPD) experience dyspnea and hypoxemia during exercise. OBJECTIVE The aim of this study was to evaluate the effects of breathing oxygen-enriched air on exercise performance and associated physiological changes in patients with COPD. METHODS In a randomized, placebo-controlled, single-blind, cross-over trial, 20 patients with COPD (11 women, age 65 ± 6 years, FEV1 64 ± 19% pred., resting SpO2 ≥90%) performed 4 cycle ergospirometries to exhaustion using an incremental exercise test (IET) and a constant work rate (at 75% maximal workload with air) exercise test (CWRET), each with ambient (FiO2 0.21) and oxygen-enriched (FiO2 0.5) air. The main outcomes were the change in maximal workload in the IET and the change in exercise duration in the CWRET with oxygen versus air. Electrocardiogram, pulmonary gas exchange, thoracic volumes by inductance plethysmography, arterial blood gases, and cerebral and quadriceps muscle tissue oxygenation (CTO and MTO) were additionally measured. RESULTS In the IET, maximal workload increased from 96 ± 21 to 104 ± 28 W with oxygen. In the CWRET, exercise duration increased from 605 ± 274 to 963 ± 444 s with oxygen. At end-exercise with oxygen, CTO, MTO, PaO2, and PaCO2 were increased, while V'E/V'CO2 was reduced and thoracic volumes were similar. At the corresponding time to end of exercise with ambient air, oxygen decreased heart rate, respiratory rate, minute ventilation, and V'E/V'CO2, while oxygenation was increased. CONCLUSION In COPD patients without resting hypoxemia, breathing oxygen-enriched air improves exercise performance. This relates to a higher arterial oxygen saturation promoting oxygen availability to muscle and cerebral tissue and an enhanced ventilatory efficiency. COPD patients may benefit from oxygen therapy during exercise training.
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Affiliation(s)
| | - Stéphanie Saxer
- Pulmonary Clinic, University Hospital Zurich, Zurich, Switzerland
| | | | - Michael Furian
- Pulmonary Clinic, University Hospital Zurich, Zurich, Switzerland
| | - Mona Lichtblau
- Pulmonary Clinic, University Hospital Zurich, Zurich, Switzerland
| | | | - Konrad E Bloch
- Pulmonary Clinic, University Hospital Zurich and Centre for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - Silvia Ulrich
- Pulmonary Clinic, University Hospital Zurich and Centre for Integrative Human Physiology, University of Zurich, Zurich, Switzerland,
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22
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Wouters EF, Posthuma R, Koopman M, Liu WY, Sillen MJ, Hajian B, Sastry M, Spruit MA, Franssen FM. An update on pulmonary rehabilitation techniques for patients with chronic obstructive pulmonary disease. Expert Rev Respir Med 2020; 14:149-161. [PMID: 31931636 DOI: 10.1080/17476348.2020.1700796] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Introduction: Pulmonary rehabilitation (PR) is one of the core components in the management of patients with chronic obstructive pulmonary disease (COPD). In order to achieve the maximal level of independence, autonomy, and functioning of the patient, targeted therapies and interventions based on the identification of physical, emotional and social traits need to be provided by a dedicated, interdisciplinary PR team.Areas covered: The review discusses cardiopulmonary exercise testing in the selection of different modes of training modalities. Neuromuscular electrical stimulation as well as gait assessment and training are discussed as well as add-on therapies as oxygen, noninvasive ventilator support or endoscopic lung volume reduction in selected patients. The potentials of pulsed inhaled nitric oxide in patients with underlying pulmonary hypertension is explored as well as nutritional support. The impact of sleep quality on outcomes of PR is reviewed.Expert opinion: Individualized, comprehensive intervention based on thorough assessment of physical, emotional, and social traits in COPD patients forms a continuous challenge for health-care professionals and PR organizations in order to dynamically implement and adapt these strategies based on dynamic, more optimal understanding of underlying pathophysiological mechanisms.
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Affiliation(s)
- Emiel Fm Wouters
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands.,CIRO+, center of expertise for chronic organ failure, Horn, The Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center Maastricht, The Netherlands
| | - Rein Posthuma
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands.,CIRO+, center of expertise for chronic organ failure, Horn, The Netherlands
| | - Maud Koopman
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center Maastricht, The Netherlands
| | - Wai-Yan Liu
- CIRO+, center of expertise for chronic organ failure, Horn, The Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center Maastricht, The Netherlands
| | - Maurice J Sillen
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands
| | - Bita Hajian
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands
| | - Manu Sastry
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands
| | - Martijn A Spruit
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands.,CIRO+, center of expertise for chronic organ failure, Horn, The Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center Maastricht, The Netherlands
| | - Frits M Franssen
- Department of Respiratory Medicine, Maastricht University Medical Center+, The Netherlands.,CIRO+, center of expertise for chronic organ failure, Horn, The Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center Maastricht, The Netherlands
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23
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Koopman M, Spruit MA, Franssen FM, Delbressine J, Wouters EF, Mathew D, Vink A, Vanfleteren LE. Effects of Non-Invasive Ventilation Combined with Oxygen Supplementation on Exercise Performance in COPD Patients with Static Lung Hyperinflation and Exercise-Induced Oxygen Desaturation: A Single Blind, Randomized Cross-Over Trial. J Clin Med 2019; 8:jcm8112012. [PMID: 31752201 PMCID: PMC6912429 DOI: 10.3390/jcm8112012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/08/2019] [Accepted: 11/12/2019] [Indexed: 11/28/2022] Open
Abstract
The effects of non-invasive ventilation (NIV) in addition to supplemental oxygen on exercise performance in patients with chronic obstructive pulmonary disease (COPD) with hyperinflation and exercise-induced desaturation (EID) remain unclear. We hypothesized that these patients would benefit from NIV and that this effect would be an add-on to oxygen therapy. Thirteen COPD patients with a residual volume >150% of predicted, normal resting arterial oxygen pressure (PaO2) and carbon-dioxide pressure (PaCO2) and EID during a six-minute walk test were included. Patients performed four constant work-rate treadmill tests, each consisting of two exercise bouts with a recovery period in between, wearing an oronasal mask connected to a ventilator and oxygen supply. The ventilator was set to the following settings in fixed order with clockwise rotation: Sham (continuous positive airway pressure (CPAP) 2 cm H2O, FiO2 21%), oxygen (CPAP 2 cm H2O, FiO2 35%), NIV and oxygen (inspiratory positive airway pressure (IPAP) 14 cm H2O/expiratory positive airway pressure (EPAP) 6 cm H2O, inspired oxygen fraction (FiO2) 35%), intermittent (walking: Sham setting, recovery: NIV and oxygen setting). During the first exercise, bout patients walked further with the oxygen setting compared to the sham setting (225 ± 107 vs 120 ± 50 meters, p < 0.05), but even further with the oxygen/NIV setting (283 ± 128 meters; p < 0.05). Recovery time between two exercise bouts was shortest with NIV and oxygen. COPD patients with severe static hyperinflation and EID benefit significantly from NIV in addition to oxygen during exercise and recovery.
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Affiliation(s)
- Maud Koopman
- Department of Research & Development, CIRO, Center of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands; (M.A.S.); (J.D.)
- Correspondence: ; Tel.: +31-4755-87653
| | - Martijn A. Spruit
- Department of Research & Development, CIRO, Center of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands; (M.A.S.); (J.D.)
- NUTRIM, School of Nutrition and Translational Research in Metabolism, 6200 MD Maastricht, The Netherlands
- Department of Respiratory Medicine, Maastricht University Medical Center (MUMC), 6202 AZ Maastricht, The Netherlands
- REVAL—Rehabilitation Research Center, BIOMED—Biomedical Research Institute, Faculty of Rehabilitation Sciences, Hasselt University, 3590 Diepenbeek, Belgium
| | - Frits M.E. Franssen
- Department of Research & Development, CIRO, Center of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands; (M.A.S.); (J.D.)
- NUTRIM, School of Nutrition and Translational Research in Metabolism, 6200 MD Maastricht, The Netherlands
- Department of Respiratory Medicine, Maastricht University Medical Center (MUMC), 6202 AZ Maastricht, The Netherlands
| | - Jeannet Delbressine
- Department of Research & Development, CIRO, Center of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands; (M.A.S.); (J.D.)
| | - Emiel F.M. Wouters
- Department of Research & Development, CIRO, Center of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands; (M.A.S.); (J.D.)
- Department of Respiratory Medicine, Maastricht University Medical Center (MUMC), 6202 AZ Maastricht, The Netherlands
| | - Denny Mathew
- Philips Research, 5656 AE Eindhoven, The Netherlands; (D.M.); (A.V.)
| | - Anton Vink
- Philips Research, 5656 AE Eindhoven, The Netherlands; (D.M.); (A.V.)
| | - Lowie E.G.W. Vanfleteren
- Department of Research & Development, CIRO, Center of Expertise for Chronic Organ Failure, 6085 NM Horn, The Netherlands; (M.A.S.); (J.D.)
- COPD Center, Sahlgrenska University Hospital, Institute of Medicine, University of Gothenburg, SE-413 45 Gothenburg, Sweden
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Liu Y, Gong F. Determination of whether supplemental oxygen therapy is beneficial during exercise training in patients with COPD: A systematic review and meta-analysis. Exp Ther Med 2019; 18:4081-4089. [PMID: 31616520 PMCID: PMC6781835 DOI: 10.3892/etm.2019.8026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 09/09/2019] [Indexed: 12/03/2022] Open
Abstract
Exercise training is an integral component of the pulmonary rehabilitation program for patients with chronic obstructive pulmonary disease (COPD). The aim of this study was to systematically search the published literature and analyze the evidence on the efficacy of supplemental oxygen in improving outcomes during exercise training in patients with COPD. The PubMed, Scopus, Cochrane Central Register of Controlled Trials (CENTRAL) and Google scholar databases were searched electronically for articles in the English language published up to May, 2019. In total, 7 trials were included in this systematic review and meta-analysis. There was considerable heterogeneity amongst the included studies. Meta-analysis indicated no significant difference in power (random: MD = −2.38; 95% CI, −5.79 to 1.03; P=0.86) and maximum energy expenditure (VO2 max) (random: MD = −0.01; 95% CI, −0.06 to 0.07; P=0.45) between the oxygen and control groups on maximal exercise testing. Qualitative analysis of the included studies revealed no benefits of supplemental oxygen in improving exercise capacity and dyspnea scores. Data on the quality of life assessed by the Chronic Respiratory Disease Questionnaire was pooled for 95 participants in the study group and 91 participants in the control group. The results indicated no beneficial effects of supplemental oxygen in improving quality of life outcomes (random: MD = −0.09; 95% CI, −0.16 to −0.01; P=0.59). On the whole, the findings of this study indicate that supplemental oxygen during the exercise training of patients with COPD does not improve exercise capacity, dyspnea scores and quality of life. However, the quality of the evidence is weak. Multi-center randomized controlled trials with homogenous methodology and intervention are required to provide stronger evidence on this subject.
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Affiliation(s)
- Ying Liu
- Fourth Department of Respiratory and Critical Care Medicine, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan 410005, P.R. China
| | - Fanghua Gong
- Department of Nursing, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan 410005, P.R. China
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Chan C, Inskip J, Kirkham A, Ansermino J, Dumont G, Li L, Ho K, Novak Lauscher H, Ryerson C, Hoens A, Chen T, Garde A, Road J, Camp P. A smartphone oximeter with a fingertip probe for use during exercise training: usability, validity and reliability in individuals with chronic lung disease and healthy controls. Physiotherapy 2019; 105:297-306. [DOI: 10.1016/j.physio.2018.07.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 07/26/2018] [Indexed: 01/01/2023]
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Walsh JA, Maddocks M, Man WDC. Supplemental oxygen during exercise training in COPD: full of hot air? Eur Respir J 2019; 53:53/5/1900837. [PMID: 31147425 DOI: 10.1183/13993003.00837-2019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 05/06/2019] [Indexed: 11/05/2022]
Affiliation(s)
- Jessica A Walsh
- Harefield Respiratory Research Group, Royal Brompton and Harefield NHS Foundation Trust, Uxbridge, UK
| | - Matthew Maddocks
- Cicely Saunders Institute of Palliative Care, Policy and Rehabilitation, King's College London, London, UK
| | - William D-C Man
- Harefield Respiratory Research Group, Royal Brompton and Harefield NHS Foundation Trust, Uxbridge, UK.,National Heart and Lung Institute, Imperial College London, London, UK
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Alison JA, McKeough ZJ, Leung RWM, Holland AE, Hill K, Morris NR, Jenkins S, Spencer LM, Hill CJ, Lee AL, Seale H, Cecins N, McDonald CF. Oxygen compared to air during exercise training in COPD with exercise-induced desaturation. Eur Respir J 2019; 53:13993003.02429-2018. [PMID: 30880289 DOI: 10.1183/13993003.02429-2018] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 03/06/2019] [Indexed: 11/05/2022]
Abstract
Almost half the patients referred to pulmonary rehabilitation with chronic obstructive pulmonary disease (COPD) desaturate during exercise. Although oxygen supplementation may ameliorate oxygen desaturation, the effects on outcomes of exercise training have not been rigorously evaluated. This study aimed to determine whether supplemental oxygen during exercise training was more effective than medical air in improving exercise capacity and health-related quality of life (HRQoL) in people with COPD.People with COPD who demonstrated oxygen desaturation <90% during the 6-min walk test were recruited to this multicentre trial with randomisation (independent, concealed allocation) to either an Oxygen group or Air group, blinding (participants, exercise trainers and European Respiratory Journal assessors) and intention-to-treat analysis. Both groups received the respective gas from concentrators via nasal prongs at 5 L·min-1 during exercise training consisting of treadmill and cycle exercise, three times per week for 8 weeks. Primary outcomes were the endurance shuttle walk test (ESWT) time and Chronic Respiratory Disease Questionnaire (CRQ)-Total score.111 participants (60 males), mean±sd age 69±7 years, with moderate to severe COPD were recruited and 97 completed (Oxygen group n=52; Air group n=45). At the end of the 8-week training programme there were no between-group differences in change in ESWT (mean difference 15 s (95% CI -106-136 s) or change in CRQ-Total (0.0 points (95% CI -0.3-0.3 points)). Within-group changes at end-training were significant for ESWT and CRQ-Total (all p<0.01).Exercise capacity and HRQoL improved in both groups, with no greater benefit from training with supplemental oxygen than medical air.
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Affiliation(s)
- Jennifer A Alison
- Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia.,Sydney Local Health District, Sydney, Australia
| | - Zoe J McKeough
- Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia
| | - Regina W M Leung
- Dept of Physiotherapy, Concord Repatriation General Hospital, Sydney, Australia
| | - Anne E Holland
- Discipline of Physiotherapy, School of Allied Health, LaTrobe University, Melbourne, Australia.,Dept of Physiotherapy, Alfred Health, Melbourne, Australia.,Institute for Breathing and Sleep, Melbourne, Australia
| | - Kylie Hill
- School of Physiotherapy and Exercise Science, Faculty of Health Sciences, Curtin University, Perth, Australia.,Institute for Respiratory Health, Sir Charles Gairdner Hospital, Perth, Australia
| | - Norman R Morris
- School of Allied Health Sciences, Griffith University, Southport, Australia.,Metro North Hospital and Health Service, The Prince Charles Hospital, Allied Health Research Collaborative, Brisbane, Australia
| | - Sue Jenkins
- School of Physiotherapy and Exercise Science, Faculty of Health Sciences, Curtin University, Perth, Australia.,Institute for Respiratory Health, Sir Charles Gairdner Hospital, Perth, Australia.,Dept of Physiotherapy, Sir Charles Gardiner Hospital, Perth, Australia
| | - Lissa M Spencer
- Dept of Physiotherapy, Royal Prince Alfred Hospital, Sydney, Australia
| | - Catherine J Hill
- Institute for Breathing and Sleep, Melbourne, Australia.,Dept of Physiotherapy, Austin Health, Melbourne, Australia
| | - Annemarie L Lee
- Dept of Physiotherapy, Monash University, Melbourne, Australia
| | - Helen Seale
- Dept of Physiotherapy, Prince Charles Hospital, Queensland, Australia
| | - Nola Cecins
- Dept of Physiotherapy, Sir Charles Gardiner Hospital, Perth, Australia
| | - Christine F McDonald
- Institute for Breathing and Sleep, Melbourne, Australia.,Dept of Respiratory and Sleep Medicine, Austin Health, Melbourne, Australia
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Prieur G, Combret Y, Bonnevie T, Gravier FE, Robledo Quesada A, Quieffin J, Lamia B, Medrinal C. Functional Electrical Stimulation Changes Muscle Oxygenation in Patients with Chronic Obstructive Pulmonary Disease During Moderate-Intensity Exercise: A Secondary Analysis. COPD 2019; 16:30-36. [PMID: 30821515 DOI: 10.1080/15412555.2018.1560402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We previously showed that functional electrical stimulation during cycle ergometry (FES-cycling) increased oxygen consumption (VO2), indicating that metabolism during exercise was increased. However, the effects on muscle oxygenation have never been studied. The aim of this secondary analysis was to analyse changes in muscle oxygenation during an FES-cycling session. Eight patients with chronic obstructive pulmonary disease who were participating in a pulmonary rehabilitation programme were enrolled. Each participant carried out 30 minutes of cycle ergometry with a constant load at 50% of peak oxygen uptake, either (i) with FES or (ii) without (Placebo-FES). Oxygenation of the vastus lateralis (VL) muscle over time was measured using near-infrared spectroscopy (NIRS) during both sessions. External power output on the cycle ergometer was the same in both conditions. There were no differences in dyspnoea between the groups, although the concentrations of deoxygenated haemoglobin and myoglobin (deoxy(Hb + Mb)) in the VL were significantly greater during Placebo-FES than FES-Cycling (respectively +212 ± 65% vs. +84 ± 29%; p < 0.001), as was the decrease in muscle oxygen saturation (StO2) (p < 0.001). When adjusted for VO2, there was a greater increase over time in the deoxy(Hb + Mb)/VO2 ratio during Placebo-FES than FES-cycling (p < 0.0001). FES-cycling could be a useful strategy to decrease muscular deoxy(Hb + Mb) and limit decreases in muscle StO2, however this should be confirmed in larger studies.
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Affiliation(s)
- Guillaume Prieur
- a Normandie Univ, UNIROUEN, EA3830-GRHV , Rouen , France.,b Institute for Research and Innovation in Biomedicine (IRIB) , Rouen , France.,c Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL & Dermatologie, Groupe de Recherche en Kinésithérapie Respiratoire, Université Catholique de Louvain , Brussels , Belgium.,d Groupe Hospitalier du Havre, Pulmonology Department and Pulmonary Rehabilitation Department , Montivilliers , France
| | - Yann Combret
- e Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL & Dermatologie, Université Catholique de Louvain , Brussels , Belgium.,f Groupe Hospitalier du Havre, Physiotherapy Department , Montivilliers , France
| | - Tristan Bonnevie
- a Normandie Univ, UNIROUEN, EA3830-GRHV , Rouen , France.,b Institute for Research and Innovation in Biomedicine (IRIB) , Rouen , France.,g ADIR Association, Rouen University Hospital , Rouen , France
| | | | | | - Jean Quieffin
- h Groupe Hospitalier du Havre, Pulmonology Department , Montivilliers , France
| | - Bouchra Lamia
- a Normandie Univ, UNIROUEN, EA3830-GRHV , Rouen , France.,b Institute for Research and Innovation in Biomedicine (IRIB) , Rouen , France.,h Groupe Hospitalier du Havre, Pulmonology Department , Montivilliers , France
| | - Clement Medrinal
- a Normandie Univ, UNIROUEN, EA3830-GRHV , Rouen , France.,b Institute for Research and Innovation in Biomedicine (IRIB) , Rouen , France.,h Groupe Hospitalier du Havre, Pulmonology Department , Montivilliers , France
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Comorbidities in Patients With Chronic Obstructive Pulmonary Disease and Pulmonary Rehabilitation Outcomes. J Cardiopulm Rehabil Prev 2018; 37:283-289. [PMID: 28410285 DOI: 10.1097/hcr.0000000000000236] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
PURPOSE The objective of this study was to evaluate the impact of comorbidities as potential predictors of the response to pulmonary rehabilitation in patients with chronic obstructive pulmonary disease (COPD). METHODS The study included 165 patients with COPD with exercise limitations. Comorbidity was classified as cardiac, metabolic, orthopedic, behavioral health problems, or other diseases. Number of comorbidities was grouped as 0, 1, or ≥2. Outcomes were defined as improvement in exercise capacity (maximal exercise capacity, 6-minute walk test, and constant workload cycle exercise duration) and quality of life (Chronic Respiratory Questionnaire). We assessed the effect of comorbidities on improvement in outcomes and the impact of the number of comorbidities on the percentage of patients reaching the minimal clinically important difference for each outcome. RESULTS Most patients (n = 160; 96%) were elderly males (mean age 70 years) with COPD Global Initiative for Chronic Obstructive Lung Disease (GOLD) stages II to IV. Sixty-four percent of patients had at least 1 comorbidity. The ≥2 comorbidity group (n = 29) had a higher modified Charlson index and more patients required continuous supplemental oxygen. Absolute differences in dyspnea scores in patients with cardiac disease and orthopedic problems compared with those without these comorbidities were 2.6 ± 0.87; 95% CI 0.89 to 4.32; p = .003, and -3.25 ± 1.23; 95% CI -5.69 to -0.82; p = .009, respectively. Comorbidities had no significant effect on other exercise outcomes or quality of life. CONCLUSION Patients with cardiac disease experienced greater improvement in the dyspnea score compared with patients with no cardiac disease, whereas patients with orthopedic problems had a smaller but also clinically significant improvement in dyspnea after pulmonary rehabilitation.
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Supplemental oxygen in patients with stable chronic obstructive pulmonary disease: evidence from Nocturnal Oxygen Treatment Trial to Long-term Oxygen Treatment Trial. Curr Opin Pulm Med 2018; 24:179-186. [PMID: 29319542 DOI: 10.1097/mcp.0000000000000461] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Oxygen therapy was the first treatment shown to prolong life in patients with chronic obstructive pulmonary disease (COPD) and has been joined by lung volume reduction surgery in selected patients with emphysema, smoking cessation, and potentially noninvasive ventilation in chronic hypercapneic respiratory failure. Although there is consensus around the survival-enhancing effect of supplemental oxygen (SupplO2) for patients with chronic severe hypoxemia at rest, the impact of SupplO2 for COPD patients with moderate hypoxemia and exertional desaturation had been less clear. RECENT FINDINGS The recently published Long-term Oxygen Treatment Trial (LOTT) showed no benefit of SupplO2 for the composite outcome of survival and all-cause hospitalizations, or for component outcomes, severe COPD exacerbations, or quality of life in COPD patients with moderate resting hypoxemia or room air normoxemia with exercise desaturation. SUMMARY Results of the LOTT challenge the practice of prescribing SupplO2 for patients with COPD and moderate resting hypoxemia or isolated exertional desaturation. In the context that LOTT may not have recruited patients for whom SupplO2 conferred subjective benefit, there may be a role for short-term trials of SupplO2 with assessment of subjective benefit in such patients.
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Kahn N, Andrianopoulos V, Mekov E, Herth FJF. ERS International Congress 2017: a peek of outstanding abstracts from the clinical assembly. J Thorac Dis 2017; 9:S1526-S1531. [PMID: 29255633 DOI: 10.21037/jtd.2017.11.43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This review highlights a selection of abstracts from the 2017 ERS International Congress in Milan presented by the clinical assembly's groups of interventional pulmonology, general practice and primary care and rehabilitation and chronic care. Attention is brought to the increasing burden of disease of COPD and end-stage emphysema patients in China. The considerable efforts of Chinese pulmonary centers to conduct multicenter, randomized and controlled trials, investigating the possibilities of bronchoscopic lung volume reduction is underlined in the review. Furthermore, the key objectives of asthma management are stressed. We point out presentations emphasizing on achieving good control of daily symptoms and reducing the risk of asthma exacerbations. The findings of a randomized clinical trial evaluating the role of oxygen supplementation in rehabilitation therapy of COPD patients are analyzed. Additionally, another randomized clinical trial researching the influence of whole body vibration training (WBVT) in long-term (>1 year) lung transplant patients are discussed.
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Affiliation(s)
- Nicolas Kahn
- Department of Pneumology and Critical Care Medicine, Thoraxklinik, Heidelberg University Hospital, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Vasileios Andrianopoulos
- Department of Respiratory Medicine & Pulmonary Rehabilitation, Schoen Klinik Berchtesgadener Land, Schoenau am Koenigssee, Germany
| | - Evgeni Mekov
- Medical University-Sofia, Medical Faculty, Clinical Center for Pulmonary Diseases, MHATPD 'Sveta Sofia', Sofia, Bulgaria
| | - Felix J F Herth
- Department of Pneumology and Critical Care Medicine, Thoraxklinik, Heidelberg University Hospital, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
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Abstract
Chronic respiratory failure due to chronic obstructive pulmonary disease (COPD) is an increasing problem worldwide. Many patients with severe COPD develop hypoxemic respiratory failure during the natural progression of disease. Long-term oxygen therapy (LTOT) is a well-established supportive treatment for COPD and has been shown to improve survival in patients who develop chronic hypoxemic respiratory failure. The degree of hypoxemia is severe when partial pressure of oxygen in arterial blood (PaO2) is ≤55 mmHg and moderate if PaO2 is between 56 and 69 mmHg. Although current guidelines consider LTOT only in patients with severe resting hypoxemia, many COPD patients with moderate to severe disease experience moderate hypoxemia at rest or during special circumstances, such as while sleeping or exercising. The efficacy of LTOT in these patients who do not meet the actual recommendations is still a matter of debate, and extensive research is still ongoing to understand the possible benefits of LTOT for survival and/or functional outcomes such as the sensation of dyspnea, exacerbation frequency, hospitalizations, exercise capacity, and quality of life. Despite its frequent use, the administration of "palliative" oxygen does not seem to improve dyspnea except for delivery with high-flow humidified oxygen. This narrative review will focus on current evidence for the effects of LTOT in the presence of moderate hypoxemia at rest, during sleep, or during exercise in COPD.
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Affiliation(s)
- Begum Ergan
- a Department of Pulmonary and Critical Care, Faculty of Medicine , Dokuz Eylul University , Izmir , Turkey
| | - Stefano Nava
- b Department of Clinical, Integrated and Experimental Medicine (DIMES), Respiratory and Critical Care Unit, S. Orsola-Malpighi Hospital , Alma Mater University , Bologna , Italy
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Alison JA, McKeough ZJ, Johnston K, McNamara RJ, Spencer LM, Jenkins SC, Hill CJ, McDonald VM, Frith P, Cafarella P, Brooke M, Cameron-Tucker HL, Candy S, Cecins N, Chan ASL, Dale MT, Dowman LM, Granger C, Halloran S, Jung P, Lee AL, Leung R, Matulick T, Osadnik C, Roberts M, Walsh J, Wootton S, Holland AE. Australian and New Zealand Pulmonary Rehabilitation Guidelines. Respirology 2017; 22:800-819. [PMID: 28339144 DOI: 10.1111/resp.13025] [Citation(s) in RCA: 165] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 02/19/2017] [Accepted: 02/20/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND OBJECTIVE The aim of the Pulmonary Rehabilitation Guidelines (Guidelines) is to provide evidence-based recommendations for the practice of pulmonary rehabilitation (PR) specific to Australian and New Zealand healthcare contexts. METHODS The Guideline methodology adhered to the Appraisal of Guidelines for Research and Evaluation (AGREE) II criteria. Nine key questions were constructed in accordance with the PICO (Population, Intervention, Comparator, Outcome) format and reviewed by a COPD consumer group for appropriateness. Systematic reviews were undertaken for each question and recommendations made with the strength of each recommendation based on the GRADE (Gradings of Recommendations, Assessment, Development and Evaluation) criteria. The Guidelines were externally reviewed by a panel of experts. RESULTS The Guideline panel recommended that patients with mild-to-severe COPD should undergo PR to improve quality of life and exercise capacity and to reduce hospital admissions; that PR could be offered in hospital gyms, community centres or at home and could be provided irrespective of the availability of a structured education programme; that PR should be offered to patients with bronchiectasis, interstitial lung disease and pulmonary hypertension, with the latter in specialized centres. The Guideline panel was unable to make recommendations relating to PR programme length beyond 8 weeks, the optimal model for maintenance after PR, or the use of supplemental oxygen during exercise training. The strength of each recommendation and the quality of the evidence are presented in the summary. CONCLUSION The Australian and New Zealand Pulmonary Rehabilitation Guidelines present an evaluation of the evidence for nine PICO questions, with recommendations to provide guidance for clinicians and policymakers.
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Affiliation(s)
- Jennifer A Alison
- Discipline of Physiotherapy, Faculty of Health Sciences, University of Sydney, Sydney, New South Wales, Australia.,Allied Health Professorial Unit, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Zoe J McKeough
- Discipline of Physiotherapy, Faculty of Health Sciences, University of Sydney, Sydney, New South Wales, Australia
| | - Kylie Johnston
- Physiotherapy Discipline, School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia.,International Centre for Allied Health Evidence, Sansom Institute for Health Research, University of South Australia, Adelaide, South Australia, Australia
| | - Renae J McNamara
- Department of Physiotherapy, Prince of Wales Hospital, Sydney, New South Wales, Australia.,Department of Respiratory and Sleep Medicine, Prince of Wales Hospital, Sydney, New South Wales, Australia
| | - Lissa M Spencer
- Department of Physiotherapy, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Sue C Jenkins
- Physiotherapy Department, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia.,Institute for Respiratory Health, Perth, Western Australia, Australia.,School of Physiotherapy and Exercise Science, Curtin University, Perth, Western Australia, Australia
| | - Catherine J Hill
- Department of Physiotherapy, Austin Hospital, Melbourne, Victoria, Australia.,Institute for Breathing and Sleep, Melbourne, Victoria, Australia
| | - Vanessa M McDonald
- Priority Research Centre for Healthy Lungs, School of Nursing and Midwifery, University of Newcastle, Newcastle, New South Wales, Australia
| | - Peter Frith
- School of Medicine, Flinders University, Adelaide, South Australia, Australia.,School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Paul Cafarella
- Department of Respiratory Medicine, Repatriation General Hospital, Adelaide, South Australia, Australia.,School of Health Sciences, Flinders University, Adelaide, South Australia, Australia
| | - Michelle Brooke
- Respiratory Coordinated Care Program, Shoalhaven District Memorial Hospital, Nowra, New South Wales, Australia
| | - Helen L Cameron-Tucker
- Physiotherapy Services, Royal Hobart Hospital, Hobart, Tasmania, Australia.,Centre of Research Excellence for Chronic Respiratory Disease and Lung Aging, Hobart, Tasmania, Australia.,School of Medicine, University of Tasmania, Hobart, Tasmania, Australia
| | - Sarah Candy
- Department of Respiratory, Counties Manukau Health, Auckland, New Zealand
| | - Nola Cecins
- Physiotherapy Department, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
| | - Andrew S L Chan
- Department of Respiratory and Sleep Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia.,Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Marita T Dale
- Department of Physiotherapy, St Vincent's Hospital, Sydney, New South Wales, Australia
| | - Leona M Dowman
- Department of Physiotherapy and Department of Respiratory and Sleep Medicine, Austin Hospital, Melbourne, Victoria, Australia
| | - Catherine Granger
- Department of Physiotherapy, The University of Melbourne, Melbourne, Victoria, Australia.,Department of Physiotherapy, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Simon Halloran
- Department of Physiotherapy, LungSmart Physiotherapy and Pulmonary Rehabilitation, Bundaberg, Queensland, Australia
| | - Peter Jung
- Department of Physiotherapy, Northern Health, Melbourne, Victoria, Australia
| | - Annemarie L Lee
- Department of Physiotherapy, La Trobe University, Melbourne, Victoria, Australia
| | - Regina Leung
- Department of Thoracic Medicine, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
| | - Tamara Matulick
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Christian Osadnik
- Department of Physiotherapy, Monash University, Melbourne, Victoria, Australia
| | - Mary Roberts
- Department of Respiratory and Sleep Medicine, Westmead Hospital, Sydney, New South Wales, Australia.,Ludwig Engel Centre for Respiratory Research, The Westmead Centre for Medical Research, Sydney, New South Wales, Australia
| | - James Walsh
- Physiotherapy Department, The Prince Charles Hospital, Brisbane, Queensland, Australia.,School of Allied Health Sciences, Griffith University, Gold Coast, Queensland, Australia
| | - Sally Wootton
- Chronic Disease Community Rehabilitation Service, Northern Sydney Local Health District, Sydney, New South Wales, Australia
| | - Anne E Holland
- Institute for Breathing and Sleep, Melbourne, Victoria, Australia.,Department of Physiotherapy, La Trobe University, Melbourne, Victoria, Australia.,Department of Physiotherapy, Alfred Health, Melbourne, Victoria, Australia
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Ekström M, Ahmadi Z, Bornefalk‐Hermansson A, Abernethy A, Currow D. Oxygen for breathlessness in patients with chronic obstructive pulmonary disease who do not qualify for home oxygen therapy. Cochrane Database Syst Rev 2016; 11:CD006429. [PMID: 27886372 PMCID: PMC6464154 DOI: 10.1002/14651858.cd006429.pub3] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Breathlessness is a cardinal symptom of chronic obstructive pulmonary disease (COPD). Long-term oxygen therapy (LTOT) is given to improve survival time in people with COPD and severe chronic hypoxaemia at rest. The efficacy of oxygen therapy for breathlessness and health-related quality of life (HRQOL) in people with COPD and mild or no hypoxaemia who do not meet the criteria for LTOT has not been established. OBJECTIVES To determine the efficacy of oxygen versus air in mildly hypoxaemic or non-hypoxaemic patients with COPD in terms of (1) breathlessness; (2) HRQOL; (3) patient preference whether to continue therapy; and (4) oxygen-related adverse events. SEARCH METHODS We searched the Cochrane Airways Group Register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE and Embase, to 12 July 2016, for randomised controlled trials (RCTs). We handsearched the reference lists of included articles. SELECTION CRITERIA We included RCTs of the effects of non-invasive oxygen versus air on breathlessness, HRQOL or patient preference to continue therapy among people with COPD and mild or no hypoxaemia (partial pressure of oxygen (PaO2) > 7.3 kPa) who were not already receiving LTOT. Two review authors independently assessed articles for inclusion in the review. DATA COLLECTION AND ANALYSIS Two review authors independently collected and analysed data. We assessed risk of bias by using the Cochrane 'Risk of bias tool'. We pooled effects recorded on different scales as standardised mean differences (SMDs) with 95% confidence intervals (CIs) using random-effects models. Lower SMDs indicated decreased breathlessness and reduced HRQOL. We performed subanalyses and sensitivity analyses and assessed the quality of evidence according to the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) approach. MAIN RESULTS Compared with the previous review, which was published in 2011, we included 14 additional studies (493 participants), excluded one study and included data for meta-analysis of HRQOL. In total, we included in this review 44 studies including 1195 participants, and we included 33 of these (901 participants)in the meta-analysis.We found that breathlessness during exercise or daily activities was reduced by oxygen compared with air (32 studies; 865 participants; SMD -0.34, 95% CI -0.48 to -0.21; I2 = 37%; low-quality evidence). This translates to a decrease in breathlessness of about 0.7 points on a 0 to 10 numerical rating scale. In contrast, we found no effect of short-burst oxygen given before exercise (four studies; 90 participants; SMD 0.01, 95% CI -0.26 to 0.28; I2 = 0%; low-quality evidence). Oxygen reduced breathlessness measured during exercise tests (25 studies; 442 participants; SMD -0.34, 95% CI -0.46 to -0.22; I2 = 29%; moderate-quality evidence), whereas evidence of an effect on breathlessness measured in daily life was limited (two studies; 274 participants; SMD -0.13, 95% CI, -0.37 to 0.11; I2 = 0%; low-quality evidence).Oxygen did not clearly affect HRQOL (five studies; 267 participants; SMD 0.10, 95% CI -0.06 to 0.26; I2 = 0%; low-quality evidence). Patient preference and adverse events could not be analysed owing to insufficient data. AUTHORS' CONCLUSIONS We are moderately confident that oxygen can relieve breathlessness when given during exercise to mildly hypoxaemic and non-hypoxaemic people with chronic obstructive pulmonary disease who would not otherwise qualify for home oxygen therapy. Most evidence pertains to acute effects during exercise tests, and no evidence indicates that oxygen decreases breathlessness in the daily life setting. Findings show that oxygen does not affect health-related quality of life.
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Affiliation(s)
- Magnus Ekström
- Lund UniversityDepartment of Clinical Sciences, Division of Respiratory Medicine & AllergologyLundSweden
| | - Zainab Ahmadi
- Lund UniversityDepartment of Clinical Sciences, Division of Respiratory Medicine & AllergologyLundSweden
| | | | - Amy Abernethy
- Duke University Medical CenterCLHCDurhamNorth CarolinaUSA
| | - David Currow
- Flinders UniversityDepartment of Palliative and Supportive Services700 Goodwood RoadDaw ParkSAAustralia5041
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Neunhäuserer D, Steidle-Kloc E, Weiss G, Kaiser B, Niederseer D, Hartl S, Tschentscher M, Egger A, Schönfelder M, Lamprecht B, Studnicka M, Niebauer J. Supplemental Oxygen During High-Intensity Exercise Training in Nonhypoxemic Chronic Obstructive Pulmonary Disease. Am J Med 2016; 129:1185-1193. [PMID: 27427325 DOI: 10.1016/j.amjmed.2016.06.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 06/02/2016] [Accepted: 06/03/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND Physical exercise training is an evidence-based treatment in chronic obstructive pulmonary disease, and patients' peak work rate is associated with reduced chronic obstructive pulmonary disease mortality. We assessed whether supplemental oxygen during exercise training in nonhypoxemic patients with chronic obstructive pulmonary disease might lead to superior training outcomes, including improved peak work rate. METHODS This was a randomized, double-blind, controlled, crossover trial. Twenty-nine patients with chronic obstructive pulmonary disease (aged 63.5 ± 5.9 years; forced expiratory volume in 1 second percent predicted, 46.4 ± 8.6) completed 2 consecutive 6-week periods of endurance and strength training with progressive intensity, which was performed 3 times per week with supplemental oxygen or compressed medical air (flow via nasal cannula: 10 L/min). Each session of electrocardiography-controlled interval cycling lasted 31 minutes and consisted of a warm-up, 7 cycles of 1-minute intervals at 70% to 80% of peak work rate alternating with 2 minutes of active recovery, and final cooldown. Thereafter, patients completed 8 strength-training exercises of 1 set each with 8 to 15 repetitions to failure. Change in peak work rate was the primary study end point. RESULTS The increase in peak work rate was more than twice as high when patients exercised with supplemental oxygen compared with medical air (0.16 ± 0.02 W/kg vs 0.07 ± 0.02 W/kg; P < .001), which was consistent with all other secondary study end points related to exercise capacity. The impact of oxygen on peak work rate was 39.1% of the overall training effect, whereas it had no influence on strength gain (P > .1 for all exercises). CONCLUSIONS We report that supplemental oxygen in nonhypoxemic chronic obstructive pulmonary disease doubled the effect of endurance training but had no effect on strength gain.
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Affiliation(s)
- Daniel Neunhäuserer
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Sport and Exercise Medicine Division, Department of Medicine, University of Padova, Italy
| | - Eva Steidle-Kloc
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria
| | - Gertraud Weiss
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Austria
| | - Bernhard Kaiser
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Austria
| | - David Niederseer
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Division of Cardiology, University Heart Centre, University Hospital Zurich, Switzerland
| | - Sylvia Hartl
- First Internal Department of Pulmonary Medicine, Otto-Wagner Hospital, Vienna, Austria
| | - Marcus Tschentscher
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria
| | - Andreas Egger
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria
| | - Martin Schönfelder
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria
| | - Bernd Lamprecht
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Austria; Department of Pulmonary Medicine, Faculty of Medicine, Kepler-University-Hospital, Johannes Kepler University, Linz, Austria
| | - Michael Studnicka
- University Clinic of Pneumology, Paracelsus Medical University of Salzburg, Austria
| | - Josef Niebauer
- University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University of Salzburg, Austria; Research Institute for Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University of Salzburg, Austria.
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Wu W, Chen X, Liu X, Liu C, Lu G. Heliox-Driven Nebulization Has a Positive Effect on the Lung Function in Lipopolysaccharide-Induced Chronic Obstructive Pulmonary Disease Rat Model. Med Sci Monit 2016; 22:4100-4106. [PMID: 27794584 PMCID: PMC5088738 DOI: 10.12659/msm.896736] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a serious lung disease that severely threatens people’s health. This study aimed to investigate the effects of heliox-driven nebulization (HDN) on lung function and arterial blood gases in a COPD rat model. Material/Methods Twelve healthy male Wistar rats were selected as controls and 34 rats were used to establish a COPD model induced by lipopolysaccharide. Then 6 rats each from the control and model groups were selected for their symptoms to be observed. The remaining 6 normal rats were used as control group (group A) and the remaining 28 experimental COPD rats were randomly assigned to 4 groups: experimental COPD group (group B), medical oxygen group (group C), and heliox groups (group D, He/O2=63%/37%; group E, He/O2=71%/29%). The lung function indicators and arterial blood gases were analyzed to evaluate the effects of different driving gases on COPD rats. Results The COPD model was successfully established with slow growth and severe lung dysfunction. Inspiratory resistance, expiratory resistance, and forced expiratory volume at 0.10 s (FEV0.10)/FVC were significantly decreased, whereas dynamic lung compliance was significantly increased in groups D and E, compared with the experimental COPD group (group B; P<0.05). Meanwhile, compared with the model group, the values of partial pressure of carbon dioxide in arterial blood were significantly higher, whereas the potential of hydrogen values were significantly lower after atomization in groups C and D but not in group E (P<0.05). The obvious increase in arterial oxygen saturation was found only in group E (P<0.05). Conclusions HDN improved the lung function and arterial blood gas analysis results in experimental COPD rats, with an optimal percentage of He/O2=71%/29%.
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Affiliation(s)
- Wenwen Wu
- Department of Cardiothoracic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China (mainland)
| | - Xi Chen
- Department of Nursing, Changzheng Hospital, Second Military Medical University, Shanghai, China (mainland)
| | - Xiaohan Liu
- Department of Nursing, Changzheng Hospital, Second Military Medical University, Shanghai, China (mainland)
| | - Chengyuan Liu
- Department of Nursing, Changzheng Hospital, Second Military Medical University, Shanghai, China (mainland)
| | - Gendi Lu
- Department of Nursing, Changzheng Hospital, Second Military Medical University, Shanghai, China (mainland)
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Ambrosino N, Giannini D, D'Amico I. How good is the evidence for ambulatory oxygen in chronic obstructive pulmonary disease. Chron Respir Dis 2016; 1:125-6. [PMID: 16281652 DOI: 10.1191/1479972304cd031ed] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Affiliation(s)
- J A Wedzicha
- Academic Respiratory Medicine, St Bartholomew's and Royal London School of Medicine and Dentistry, St Bartholomew's Hospital, West Smithfield, London, UK.
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Abstract
Background: Exercise limitation is a hallmark of chronic obstructive pulmonary disease (COPD) and is integral to the associated impaired health status of these patients. The poor exercise tolerance is multifactorial in origin, relating to airflow obstruction, disadvantageous lung mechanics, reduced oxygen delivery and skeletal muscle dysfunction. A number of interventions have been studied to determine whether they can impact on exercise performance. The most evidence-based of these is exercise training, which along with other approaches, both previously investigated and putative, are discussed in this review.
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Affiliation(s)
- J P Fuld
- Department of Respiratory Medicine, Monklands Hospital, Airdrie, UK.
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Seixas MB, Ricardo DR, Ramos PS. REABILITAÇÃO DOMICILIAR COM EXERCÍCIO NÃO SUPERVISIONADO NA DPOC: REVISÃO SISTEMÁTICA. REV BRAS MED ESPORTE 2016. [DOI: 10.1590/1517-869220162204150806] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO O objetivo desta revisão sistemática foi verificar os efeitos de programas de reabilitação pulmonar com exercícios domiciliares não supervisionados em pacientes com doença pulmonar obstrutiva crônica (DPOC), uma vez que a baixa disponibilidade de centros especializados no país, alto custo e outros fatores fazem com que poucos doentes tenham acesso a programas de reabilitação supervisionados em ambiente ambulatorial. Foram selecionados pelos autores oito ensaios clínicos controlados e randomizados que atendiam aos critérios de inclusão, atingiram pontuação mínima de cinco pontos na escala PEDro, publicados até novembro de 2014 na base de dados PubMed. Cinco desses trabalhos compararam um grupo de reabilitação domiciliar não supervisionado (GRNS) com um controle sem exercício (GC) e três compararam GRNS com um grupo que participou de reabilitação supervisionada (GRS) como controle. Os principais desfechos avaliados foram: capacidade funcional, função pulmonar, dispneia e qualidade de vida. De acordo com a análise realizada foi possível demonstrar que o treinamento não supervisionado em ambiente domiciliar ou na comunidade pode ser uma alternativa para pacientes estáveis com DPOC moderada à grave, visando sobretudo os benefícios relacionados à qualidade de vida e à dispneia; não foi possível verificar melhora em outros desfechos. Além disso, parece que esta forma de reabilitação no tratamento desses pacientes é segura e viável, porém mais estudos são necessários para averiguar os efeitos do treinamento automonitorado em outros desfechos.
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Affiliation(s)
| | - Djalma Rabelo Ricardo
- Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, Brasil; Hospital e Maternidade Therezinha de Jesus, Brasil
| | - Plínio Santos Ramos
- Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, Brasil; Hospital e Maternidade Therezinha de Jesus, Brasil
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Mulhall P, Criner G. Non-pharmacological treatments for COPD. Respirology 2016; 21:791-809. [PMID: 27099216 DOI: 10.1111/resp.12782] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 01/13/2016] [Accepted: 01/22/2016] [Indexed: 12/01/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) affects roughly 10% of the global population and is growing in prevalence annually. COPD is characterized by progressive non-reversible narrowing of airways mainly due to cigarette smoking. Therapeutic interventions aimed at altering this progressive disease course can largely be grouped into pharmacological or non-pharmacological therapies. The focus of this paper is on the non-pharmacological aspects of COPD management, reviewing the current literature to provide an evidence-based management approach. Non-pharmacological therapies reviewed in this article include the implementation of comprehensive care models utilizing a coordinated multidisciplinary team, tele-monitoring and patient-centred approach to optimize COPD care and improve compliance. Preventing progression of COPD via smoking cessation remains of paramount importance, and newer therapeutic options including electronic cigarettes show promise in small studies as cessation aids. COPD has systemic manifestations that can be ameliorated with the enrollment in pulmonary rehabilitation programmes, which focus on exercise endurance to improve dyspnoea and quality of life. Advanced therapeutics for COPD includes lung volume reduction surgery for a pre-specified cohort and minimally invasive bronchoscopic valves that in recent reviews show promise. Lastly, patients on maximal COPD therapy with progressive disease can be referred for lung transplantation; however, this often requires a highly selected and motivated patient and care team. Survival rates for lung transplantation are improving; thus, this procedure remains a viable option as more expertise and experience are gained.
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Affiliation(s)
- Patrick Mulhall
- Department of Pulmonary and Critical Care Medicine, Temple University Hospital, Philadelphia, PA, USA
| | - Gerard Criner
- Department of Pulmonary and Critical Care Medicine, Temple University Hospital, Philadelphia, PA, USA
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Camillo CA, Osadnik CR, van Remoortel H, Burtin C, Janssens W, Troosters T. Effect of "add-on" interventions on exercise training in individuals with COPD: a systematic review. ERJ Open Res 2016; 2:00078-2015. [PMID: 27730178 PMCID: PMC5005161 DOI: 10.1183/23120541.00078-2015] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 01/16/2016] [Indexed: 11/05/2022] Open
Abstract
The aim of this review was to identify the effectiveness of therapies added on to conventional exercise training to maximise exercise capacity in patients with chronic obstructive pulmonary disease (COPD). Electronic databases were searched, identifying trials comparing exercise training with exercise training plus "add-on" therapy. Outcomes included peak oxygen uptake (V'O2peak), work rate and incremental/endurance cycle and field walking tests. Individual trial effects on exercise capacity were extracted and collated into eight subgroups and pooled for meta-analysis. Sensitivity analyses were conducted to explore the stability of effect estimates across studies employing patient-centred designs and those deemed to be of "high" quality (PEDro score >5 out of 10). 74 studies (2506 subjects) met review inclusion criteria. Interventions spanned a broad scope of clinical practice and were most commonly evaluated via the 6-min walking distance and V'O2peak. Meta-analysis revealed few clinically relevant and statistically significant benefits of "add-on" therapies on exercise performance compared with exercise training. Benefits favouring "add-on" therapies were observed across six different interventions (additional exercise training, noninvasive ventilation, bronchodilator therapy, growth hormone, vitamin D and nutritional supplementation). The sensitivity analyses included considerably fewer studies, but revealed minimal differences to the primary analysis. The lack of systematic benefits of "add-on" interventions is a probable reflection of methodological limitations, such as "one size fits all" eligibility criteria, that are inherent in many of the included studies of "add-on" therapies. Future clarification regarding the exact value of such therapies may only arise from adequately powered, multicentre clinical trials of tailored interventions for carefully selected COPD patient subgroups defined according to distinct clinical phenotypes.
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Affiliation(s)
- Carlos A Camillo
- KU Leuven, Dept of Rehabilitation Sciences, Leuven, Belgium; University Hospital Leuven, Respiratory Division and Rehabilitation, Leuven, Belgium; Both authors contributed equally
| | - Christian R Osadnik
- KU Leuven, Dept of Rehabilitation Sciences, Leuven, Belgium; Monash University, Dept of Physiotherapy, Victoria, Australia; Institute for Breathing and Sleep, Victoria, Australia; Monash Health, Monash Lung and Sleep, Victoria, Australia; Both authors contributed equally
| | - Hans van Remoortel
- KU Leuven, Dept of Rehabilitation Sciences, Leuven, Belgium; Belgian Red Cross, Flanders, Mechelen, Belgium
| | - Chris Burtin
- KU Leuven, Dept of Rehabilitation Sciences, Leuven, Belgium; Hasselt University, Rehabilitation Research Centre, Biomedical Research Institute, Faculty of Medicine and Life Sciences, Diepenbeek, Belgium
| | - Wim Janssens
- University Hospital Leuven, Respiratory Division and Rehabilitation, Leuven, Belgium
| | - Thierry Troosters
- KU Leuven, Dept of Rehabilitation Sciences, Leuven, Belgium; University Hospital Leuven, Respiratory Division and Rehabilitation, Leuven, Belgium
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Alison JA, McKeough ZJ, Jenkins SC, Holland AE, Hill K, Morris NR, Leung RWM, Williamson KA, Spencer LM, Hill CJ, Lee AL, Seale H, Cecins N, McDonald CF. A randomised controlled trial of supplemental oxygen versus medical air during exercise training in people with chronic obstructive pulmonary disease: supplemental oxygen in pulmonary rehabilitation trial (SuppORT) (Protocol). BMC Pulm Med 2016; 16:25. [PMID: 26846438 PMCID: PMC4743111 DOI: 10.1186/s12890-016-0186-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 01/21/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Oxygen desaturation during exercise is common in people with chronic obstructive pulmonary disease (COPD). The aim of the study is to determine, in people with COPD who desaturate during exercise, whether supplemental oxygen during an eight-week exercise training program is more effective than medical air (sham intervention) in improving exercise capacity and health-related quality of life both at the completion of training and at six-month follow up. METHODS/DESIGN This is a multi-centre randomised controlled trial with concealed allocation, blinding of participants, exercise trainers and assessors, and intention-to-treat analysis. 110 people with chronic obstructive pulmonary disease who demonstrate oxygen desaturation lower than 90 % during the six-minute walk test will be recruited from pulmonary rehabilitation programs in seven teaching hospitals in Australia. People with chronic obstructive pulmonary disease on long term oxygen therapy will be excluded. After confirmation of eligibility and baseline assessment, participants will be randomised to receive either supplemental oxygen or medical air during an eight-week supervised treadmill and cycle exercise training program, three times per week for eight weeks, in hospital outpatient settings. Primary outcome measures will be endurance walking capacity assessed by the endurance shuttle walk test and health-related quality of life assessed by the Chronic Respiratory Disease Questionnaire. Secondary outcomes will include peak walking capacity measured by the incremental shuttle walk test, dyspnoea via the Dyspnoea-12 questionnaire and physical activity levels measured over seven days using an activity monitor. All outcomes will be measured at baseline, completion of training and at six-month follow up. DISCUSSION Exercise training is an essential component of pulmonary rehabilitation for people with COPD. This study will determine whether supplemental oxygen during exercise training is more effective than medical air in improving exercise capacity and health-related quality of life in people with COPD who desaturate during exercise. TRIAL REGISTRATION Australian New Zealand Clinical Trials Registry ACTRN12612000395831, 5th Jan,2012.
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Affiliation(s)
- Jennifer A Alison
- Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia.
- Department of Physiotherapy, Royal Prince Alfred Hospital, Sydney, Australia.
| | - Zoe J McKeough
- Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia.
| | - Sue C Jenkins
- Institute for Respiratory Health, Perth, Australia.
- Department of Physiotherapy, Sir Charles Gairdner Hospital, Perth, Australia.
- School of Physiotherapy and Exercise Science, Faculty of Health Sciences, Curtin University, Perth, Australia.
| | - Anne E Holland
- Discipline of Physiotherapy, School of Allied Health, La Trobe University, Melbourne, Australia.
- Department of Physiotherapy, Alfred Health, Melbourne, Australia.
- Institute for Breathing and Sleep, Melbourne, Australia.
| | - Kylie Hill
- Institute for Respiratory Health, Perth, Australia.
- School of Physiotherapy and Exercise Science, Faculty of Health Sciences, Curtin University, Perth, Australia.
| | - Norman R Morris
- Menzies Health Institute and School of Allied Health Sciences, Griffith University, Brisbane, Australia.
- The Queensland Lung Transplant Service, The Prince Charles Hospital, Brisbane, Australia.
| | - Regina W M Leung
- Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia.
- Department of Respiratory and Sleep Medicine, Concord Repatriation General Hospital, Sydney, Australia.
| | - Kathleen A Williamson
- Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney, Sydney, Australia.
| | - Lissa M Spencer
- Department of Physiotherapy, Royal Prince Alfred Hospital, Sydney, Australia.
| | - Catherine J Hill
- Institute for Breathing and Sleep, Melbourne, Australia.
- Department of Physiotherapy, Austin Health, Melbourne, Australia.
| | - Annemarie L Lee
- Department of Physiotherapy, Alfred Health, Melbourne, Australia.
- Institute for Breathing and Sleep, Melbourne, Australia.
| | - Helen Seale
- The Queensland Lung Transplant Service, The Prince Charles Hospital, Brisbane, Australia.
| | - Nola Cecins
- Department of Physiotherapy, Sir Charles Gairdner Hospital, Perth, Australia.
| | - Christine F McDonald
- Institute for Breathing and Sleep, Melbourne, Australia.
- Department of Respiratory and Sleep Medicine, Austin Health, Melbourne, Australia.
- Department of Medicine, The University of Melbourne, Melbourne, Australia.
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Puente-Maestu L, Palange P, Casaburi R, Laveneziana P, Maltais F, Neder JA, O'Donnell DE, Onorati P, Porszasz J, Rabinovich R, Rossiter HB, Singh S, Troosters T, Ward S. Use of exercise testing in the evaluation of interventional efficacy: an official ERS statement. Eur Respir J 2016; 47:429-60. [DOI: 10.1183/13993003.00745-2015] [Citation(s) in RCA: 255] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 09/14/2015] [Indexed: 12/20/2022]
Abstract
This document reviews 1) the measurement properties of commonly used exercise tests in patients with chronic respiratory diseases and 2) published studies on their utilty and/or evaluation obtained from MEDLINE and Cochrane Library searches between 1990 and March 2015.Exercise tests are reliable and consistently responsive to rehabilitative and pharmacological interventions. Thresholds for clinically important changes in performance are available for several tests. In pulmonary arterial hypertension, the 6-min walk test (6MWT), peak oxygen uptake and ventilation/carbon dioxide output indices appear to be the variables most responsive to vasodilators. While bronchodilators do not always show clinically relevant effects in chronic obstructive pulmonary disease, high-intensity constant work-rate (endurance) tests (CWRET) are considerably more responsive than incremental exercise tests and 6MWTs. High-intensity CWRETs need to be standardised to reduce interindividual variability. Additional physiological information and responsiveness can be obtained from isotime measurements, particularly of inspiratory capacity and dyspnoea. Less evidence is available for the endurance shuttle walk test. Although the incremental shuttle walk test and 6MWT are reliable and less expensive than cardiopulmonary exercise testing, two repetitions are needed at baseline. All exercise tests are safe when recommended precautions are followed, with evidence suggesting that no test is safer than others.
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Carlin BW, Wiles KS, McCoy RW, Brennan T, Easley D, Thomashow RJ. Effects of a Highly Portable Noninvasive Open Ventilation System on Activities of Daily Living in Patients with COPD. CHRONIC OBSTRUCTIVE PULMONARY DISEASES-JOURNAL OF THE COPD FOUNDATION 2015; 2:35-47. [PMID: 28848829 DOI: 10.15326/jcopdf.2.1.2014.0116] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Background: For patients with chronic obstructive pulmonary disease (COPD), an increase in exercise tolerance and ability to perform activities of daily living (ADLs) can mean an improved quality of life with fewer exacerbations and lower health care expenses. We evaluated a wearable, noninvasive open ventilation (NIOV) system designed to enhance exercise capacity and increase mobility. Methods: Patients with stable, oxygen-dependent COPD were recruited for this prospective, open-label, crossover study. Inclusion criteria included supplemental oxygen use, elevated dyspnea score, and the ability to perform ADLs. Patients performed a selected ADL for as long as tolerable while using standard oxygen therapy. Following a rest period, the same ADL was repeated using the NIOV system. ADL endurance time, oxyhemoglobin saturation measured by pulse oximeter ( SpO2), dyspnea, fatigue, and discomfort scores were recorded. Results: Thirty patients were enrolled and 29 patients completed the study. Mean ADL endurance increased by 85% (13.4 vs. 7.2 min) using NIOV compared with oxygen therapy (p<0.0001). Mean SpO2 was significantly higher during ADLs using NIOV versus oxygen therapy (p<0.0001). Median dyspnea, fatigue, and discomfort scores were significantly lower using NIOV during ADLs compared to oxygen therapy (p<0.01). No device-related adverse events were observed. Conclusions: This study demonstrated that a novel, portable noninvasive open ventilation system can improve ADL performance in the home setting. Compared to standard oxygen therapy, the NIOV system provided statistically and clinically significant increases in ADL endurance time and oxygenation, while decreasing dyspnea, fatigue, and discomfort. The NIOV system appears to offer a practical option for increasing activity and exercise tolerance in oxygen-dependent patients with COPD.
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Affiliation(s)
- Brian W Carlin
- Drexel University School of Medicine, Pittsburgh, Pennsylvania
| | | | | | - Toni Brennan
- Klingensmith HealthCare, Ford City, Pennsylvania
| | - Dan Easley
- Klingensmith HealthCare, Ford City, Pennsylvania
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Díaz Lobato S, García González JL, Mayoralas Alises S. The Debate on Continuous Home Oxygen Therapy. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.arbr.2014.10.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lee AL, Holland AE. Time to adapt exercise training regimens in pulmonary rehabilitation--a review of the literature. Int J Chron Obstruct Pulmon Dis 2014; 9:1275-88. [PMID: 25419125 PMCID: PMC4234392 DOI: 10.2147/copd.s54925] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Exercise intolerance, exertional dyspnea, reduced health-related quality of life, and acute exacerbations are features characteristic of chronic obstructive pulmonary disease (COPD). Patients with a primary diagnosis of COPD often report comorbidities and other secondary manifestations, which diversifies the clinical presentation. Pulmonary rehabilitation that includes whole body exercise training is a critical part of management, and core programs involve endurance and resistance training for the upper and lower limbs. Improvement in maximal and submaximal exercise capacity, dyspnea, fatigue, health-related quality of life, and psychological symptoms are outcomes associated with exercise training in pulmonary rehabilitation, irrespective of the clinical state in which it is commenced. There may be benefits for the health care system as well as the individual patient, with fewer exacerbations and subsequent hospitalization reported with exercise training. The varying clinical profile of COPD may direct the need for modification to traditional training strategies for some patients. Interval training, one-legged cycling (partitioning) and non-linear periodized training appear to be equally or more effective than continuous training. Inspiratory muscle training may have a role as an adjunct to whole body training in selected patients. The benefits of balance training are also emerging. Strategies to ensure that health enhancing behaviors are adopted and maintained are essential. These may include training for an extended duration, alternative environments to undertake the initial program, maintenance programs following initial exercise training, program repetition, and incorporation of approaches to address behavioral change. This may be complemented by methods designed to maximize uptake and completion of a pulmonary rehabilitation program.
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Affiliation(s)
- Annemarie L Lee
- Physiotherapy, Alfred Health, Melbourne, VIC, Australia ; Institute for Breathing and Sleep, Austin Health, Melbourne, VIC, Australia ; Westpark Healthcare Centre, ON, Canada
| | - Anne E Holland
- Physiotherapy, Alfred Health, Melbourne, VIC, Australia ; Institute for Breathing and Sleep, Austin Health, Melbourne, VIC, Australia ; Physiotherapy, La Trobe University, Melbourne, VIC, Australia
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Güell Rous MR, Díaz Lobato S, Rodríguez Trigo G, Morante Vélez F, San Miguel M, Cejudo P, Ortega Ruiz F, Muñoz A, Galdiz Iturri JB, García A, Servera E. Pulmonary rehabilitation. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.arbr.2014.06.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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The debate on continuous home oxygen therapy. Arch Bronconeumol 2014; 51:31-7. [PMID: 24976235 DOI: 10.1016/j.arbres.2014.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Revised: 05/06/2014] [Accepted: 05/07/2014] [Indexed: 01/28/2023]
Abstract
Two studies published in the early 80s, namely the Nocturnal Oxygen Therapy Trial (NOTT) and the Medical Research Council Trial (MRC), laid the foundations for modern home oxygen therapy. Since then, little progress has been made in terms of therapeutic indications, and several prescription-associated problems have come to light. Advances in technology have gone hand in hand with growing disregard for the recommendations in clinical guidelines on oxygen therapy. The introduction of liquid oxygen brought with it a number of technical problems, clinical problems related to selecting candidate patients for portable delivery devices, and economic problems associated with the rising cost of the therapy. Continuous home oxygen therapy has been further complicated by the recent introduction of portable oxygen concentrators and the development in quick succession of a range of delivery devices with different levels of efficiency and performance. Modern oxygen therapy demands that clinicians evaluate the level of mobility of their patients and the mobility permitted by available oxygen sources, correctly match patients with the most appropriate oxygen source and adjust the therapy accordingly. The future of continuous home oxygen therapy lies in developing the ideal delivery device, improving the regulations systems and information channels, raise patient awareness and drive research.
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Ameer F, Carson KV, Usmani ZA, Smith BJ. Ambulatory oxygen for people with chronic obstructive pulmonary disease who are not hypoxaemic at rest. Cochrane Database Syst Rev 2014; 2014:CD000238. [PMID: 24957353 PMCID: PMC7032676 DOI: 10.1002/14651858.cd000238.pub2] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND People with chronic obstructive pulmonary disease (COPD) often become transiently hypoxaemic (low oxygen levels in blood) on exercise, necessitating oxygen therapy to improve breathlessness and exercise capacity and to reduce disability. Ambulatory oxygen therapy refers to provision of oxygen therapy during exercise and activities of daily living. Ambulatory oxygen therapy is often used by patients on long-term oxygen therapy (LTOT) during exercise or by non-LTOT users with or without resting hypoxaemia when they show evidence of exercise de-saturation and demonstrate improvement in exercise capacity with supplemental oxygen. OBJECTIVES To determine the longer-term efficacy of ambulatory oxygen therapy only in patients with COPD who do not meet the criteria for LTOT, with respect to improvement in exercise capacity, mortality, quality of life and other relevant measures of improvement. SEARCH METHODS The Cochrane Airways Group Specialised Register, including MEDLINE, EMBASE and CINAHL, was searched. Online clinical trial registers, including Controlled Clinical Trials (www.controlled-trials.com), government registries (clinicaltrials.gov) and World Health Organization (WHO) registries (www.who.int/trialsearch), were screened for ongoing and recently completed studies. Bibliographies of included studies were searched for additional trials that may meet the inclusion criteria and were not retrieved by the above search strategy. Authors of identified trials were contacted to provide other published and unpublished studies. Searches were current as of November 2012. SELECTION CRITERIA Randomised controlled trials (RCTs) that compare ambulatory oxygen therapy provided through portable oxygen cylinders/battery-powered devices or liquid oxygen canisters versus placebo air cylinders, usual medical care or co-intervention in study participants with COPD who did not meet criteria for LTOT. DATA COLLECTION AND ANALYSIS We used standard methods as expected by The Cochrane Collaboration. MAIN RESULTS Four studies met the inclusion criteria (331 participants), with two studies producing a statistically and clinically significant benefit in favour of the intervention for dyspnoea post exercise.The quality of life domain for all four included studies produced a statistically significant benefit for the subcategories of dyspnoea and fatigue, in favour of the oxygen group (dyspnoea mean difference (MD) 0.28, 95% confidence interval (CI) 0.10 to 0.45; P value 0.002; fatigue MD 0.17, 95% CI 0.04 to 0.31; P value 0.009). No evidence of any effect was reported for survival, and limited benefits were observed for exercise capacity (as measured by step test and distance walk test), with one study showing a statistically significant improvement in the number of steps taken in the oxygen group for group N-of-1 studies only. No other statistically significant benefits were observed for exercise capacity among the other trials or individual N-of-1 studies. AUTHORS' CONCLUSIONS In patients with COPD with moderate hypoxia, current evidence on ambulatory oxygen therapy reveals improvements in dyspnoea post exercise and in the dyspnoea and fatigue domain of quality of life. However, evidence for the clinical utility and effectiveness of ambulatory oxygen in improving mortality and exercise capacity was not evident in this review. Methodologically rigorous RCTs with sufficient power to detect a difference are required to investigate the role of ambulatory oxygen in the management of COPD.
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Affiliation(s)
| | - Kristin V Carson
- The Queen Elizabeth HospitalDepartment of Medicine, University of AdelaideAdelaideAustralia
| | - Zafar A Usmani
- The Queen Elizabeth HospitalDepartment of Respiratory Medicine4A, Main Building, 28 Woodville RoadWoodville SouthAdelaideAustraliaSA 5011
| | - Brian J Smith
- The Queen Elizabeth HospitalDepartment of Medicine, University of AdelaideAdelaideAustralia
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