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The aim is to evaluate exercise capacity, respiratory functions, respiratory and peripheral muscle strength, inspiratory muscle endurance, physical activity level, quality of life, fatigue, dyspnea, anxiety, depression and investigate the impact of 24-session pulmonary rehabilitation training on these parameters in patients with chronic fibrotic hypersensitivity pneumonitis.
Hypersensitivity pneumonitis is a syndrome that results in the excessive immune response to inhalation of various antigenic particles in the environment. Patients often experience irreversible physiological disorders and severe dyspnea in the future. Common disorders in these patients are lung function abnormalities, decreased exercise capacity, muscle weakness, oxygen diffusion limitation, impaired quality of life, physical inactivity and fatigue. The aim of this study is to evaluate the effects of pulmonary rehabilitation training on exercise capacity, dyspnea, respiratory functions, respiratory and peripheral muscle strength, inspiratory muscle endurance, physical activity level, quality of life, fatigue, dyspnea, anxiety, depression in patients with chronic fibrotic hypersensitivity pneumonitis. The study was planned as a prospective, double-blind, case-control study. At least 30 patients with hypersensitivity pneumonitis will be included in the study. The cardiopulmonary rehabilitation program will be included inspiratory muscle training, upper extremity aerobic exercise and progressive resistance training will be performed in the exercise training group during 24 sessions. Alternative upper extremity exercises combined with breathing exercises will be performed in the control group. Functional exercise capacity, respiratory functions, respiratory and peripheral muscle strength, inspiratory muscle endurance, physical activity levels, quality of life, fatigue, dyspnea, anxiety and depressions will be evaluated before and after treatment.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Training Group | Active Comparator | Intervention:Training group will receive upper extremity aerobic exercise training, inspiratory muscle training and progressive resistance training |
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| Control Group | Sham Comparator | Control group will receive alternative upper extremity exercises and breathing exercises. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pulmonary Rehabilitation | Other | All exercise program will be applied during supervised session by a physiotherapist. Range of maximal heart rate will be screened by heart rate monitor during supervised session. Training group will receive upper extremity aerobic exercise training using arm ergometer at 60-80% of maximal heart rate (dyspnea perception at 3-4 level as well as fatigue perception at 5-6 level according to Modified Borg Scale). Inspiratory muscle training (Powerbreathe® Wellness-Inspiratory Muscle Trainer) at 50-60% of maximal inspiratory pressure (MIP) and progressive resistance training at 30-60% of 1 RM (using proprioceptive neuromuscular facilitation techniques (flexion, abduction, external rotation/extension, adduction, internal rotation) for upper extremity resistance training; using sandback for knee extensors) will be performed during 24 sessions (3 day/week; 8 weeks) |
| Measure | Description | Time Frame |
|---|---|---|
| Maximal exercise capacity | Maximal exercise capacity will be evaluated symptom limited cardiopulmonary exercise testing. The cardiopulmonary exercise test will be performed on the treadmill at a progressively increasing speed and grade. | Second day |
| Functional exercise capacity | Functional exercise capacity will be evaluated with 6-minute walking test according to the American Thoracic Society and European Respratory Society criteria | First day |
| Oxygen consumption | Oxygen consumption will be measured by cardiopulmonary exercise test. | Second day |
| Measure | Description | Time Frame |
|---|---|---|
| FEV1 | Pulmonary function tests will be performed using a spirometry according to the American Thoracic Society and European Respratory Society criteria. FEV1 will be evaluated. The percentage of predicted value <70% will be expressed as abnormal | First day |
| FVC |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Zeliha ÇELİK, MSc | Contact | +903122162647 | zelihacelik@gazi.edu.tr | |
| Meral BOŞNAK GÜÇLÜ, Prof | Contact | +903122162647 | meralbosnak@gazi.edu.tr |
| Name | Affiliation | Role |
|---|---|---|
| Zeliha ÇELİK, MSc | Gazi University | Principal Investigator |
| Betül YOLERİ, PT | Gazi University | Principal Investigator |
| Meral BOŞNAK GÜÇLÜ, Prof |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30151370 | Background | Dias OM, Baldi BG, Ferreira JG, Cardenas LZ, Pennati F, Salito C, Carvalho CRR, Aliverti A, Pereira de Albuquerque AL. Mechanisms of exercise limitation in patients with chronic hypersensitivity pneumonitis. ERJ Open Res. 2018 Aug 22;4(3):00043-2018. doi: 10.1183/23120541.00043-2018. eCollection 2018 Jul. | |
| 28213592 | Background |
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| ID | Term |
|---|---|
| D000542 | Alveolitis, Extrinsic Allergic |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D017563 | Lung Diseases, Interstitial |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D012130 | Respiratory Hypersensitivity |
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| Alternative Exercises | Other | Control group will receive alternative upper extremity exercises combined with breathing exercises. Control group will perform alternative upper extremity exercises combined with breathing exercises during 3 days/week, for 8 weeks |
|
Pulmonary function tests will be performed using a spirometry according to the American Thoracic Society and European Respratory Society criteria. FVC will be evaluated. The percentage of predicted value <70% will be expressed as abnormal |
| First day |
| FEV1/FVC | Pulmonary function tests will be performed using a spirometry according to the American Thoracic Society and European Respratory Society criteria. FEV1/FVC will be evaluated. | First day |
| PEF | Pulmonary function tests will be performed using a spirometry according to the American Thoracic Society and European Respratory Society criteria. PEF will be evaluated. The percentage of predicted value <70% will be expressed as abnormal | First day |
| FEF2575 | Pulmonary function tests will be performed using a spirometry according to the American Thoracic Society and European Respratory Society criteria. FEF2575 will be evaluated. The percentage of predicted value <50% will be expressed as abnormal | First day |
| Respiratory muscle strength | Maximal inspiratory and expiratory muscle strength will be evaluated using mouth pressure device . | First day |
| Inspiratory muscle endurance | It will be evaluated incremental threshold loading test, in which participants started an initial load of 30% of maximal inspiratory pressure with a 10% increment every 2 minutes. | First day |
| Peripheral muscle strength-upper extremity | Upper extremity muscle strength will be evaluated using portable hand held dynamometer. | First day |
| Peripheral muscle strength-lower extremity | Knee extensor muscle strength will be evaluated using portable hand held dynamometer. | First day |
| Physical activity level | Physical activity level will be evaluated multi sensor activity monitor for 3 consecutive days. | Three consecutive day |
| Disease Specific Quality of Life | Quality of Life using St. George's Respiratory Questionnaire (SGRQ) will be evaluated. Scores range from 0 to 100, with higher scores indicating more limitations. | Second day |
| Fatigue | Fatigue using Fatigue Severity Scale (Turkish version) will be evaluated. The scale comprises nine statements.The scale of possible responses are ranging from 1 (strongly disagree) to 7 (strongly agree). FSS total scores are usually reported as the mean score over the nine items; a higher score indicates greater severity. | Second day |
| Dyspnea during daily living activities | Dyspnea using Modified Medical Research Council (MMRC) dyspnea scale will be evaluated. Modified Medical Research Council Dyspnea Scale, levels are graded as 0-4, higher scores imply higher dyspnea. | Second day |
| Anxiety | Anxiety using Hospital Anxiety and Depression Scale will be evaluated. HADS consists of two subscales including anxiety and depression. Possible scores are ranged from 0 to 21 for each of the two subscales. The HADS manual indicates that a score between 0 and 7 is "normal," between 8 and 10 "mild," between 11 and 14 "moderate," and between 15 and 21 "severe." | Second day |
| Depression | Depression using Hospital Anxiety and Depression Scale will be evaluated. HADS consists of two subscales including anxiety and depression. Possible scores are ranged from 0 to 21 for each of the two subscales. The HADS manual indicates that a score between 0 and 7 is "normal," between 8 and 10 "mild," between 11 and 14 "moderate," and between 15 and 21 "severe." | Second day |
| Gazi University |
| Study Director |
| Haluk TÜRKTAŞ, Prof | Gazi University | Principal Investigator |
| Dowman LM, McDonald CF, Hill CJ, Lee AL, Barker K, Boote C, Glaspole I, Goh NSL, Southcott AM, Burge AT, Gillies R, Martin A, Holland AE. The evidence of benefits of exercise training in interstitial lung disease: a randomised controlled trial. Thorax. 2017 Jul;72(7):610-619. doi: 10.1136/thoraxjnl-2016-208638. Epub 2017 Feb 17. |
| 25284270 | Background | Dowman L, Hill CJ, Holland AE. Pulmonary rehabilitation for interstitial lung disease. Cochrane Database Syst Rev. 2014 Oct 6;(10):CD006322. doi: 10.1002/14651858.CD006322.pub3. |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |
| D001519 | Behavior |