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Patients with COPD frequently have muscle disorders. Pathogenic mechanisms generate significant pathophysiological changes in the locomotor muscles structure, leading to decreased strength, decreased endurance and limited exercise capacity.
Pulmonary rehabilitation is the first choice therapy and training overall lower limb endurance is a priority. Even if the effects of pulmonary rehabilitation are no longer to be demonstrated, it is still necessary to optimize the modalities of muscular strengthening. In fact, it is recommended to associate to this global endurance training a specific strengthening of the muscles of the lower limbs. Neuromuscular electrostimulation (NMES) is a muscular strengthening technique, but this method is not used in usual practice in pulmonary rehabilitation and often only the quadriceps are concerned. In a pulmonary rehabilitation program, including sessions of NMES of the quadriceps femoris and triceps surae could increase its effectiveness.
Recent studies suggest that NMES can improve muscle function, exercise tolerance, dyspnea and quality of life in COPD patients.
A pilot study compared the effects of the combined quadriceps femoris and triceps surae versus quadriceps alone. The final evaluation showed a greater improvement in exercise capacity in favour of the combined NMES group. Only two studies with small numbers of patients evaluated the effect of combined quadriceps femoris and triceps surae NMES in pulmonary rehabilitation, with encouraging results in terms of functional gain. Further larger studies seem necessary to evaluate the effects of combined quadriceps femoris and triceps surae NMES in pulmonary rehabilitation. The objective of the study is to show that combined quadriceps femoris and triceps surae NMES during a pulmonary rehabilitation program provides a more significant improvement in exercise capacity compared to a standard pulmonary rehabilitation program.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental group (EG) | Experimental | Randomized intervention in the NMES (GE) group: Patients in the NMES group will receive, in addition to conventional rehabilitation, combined quadriceps femoris and triceps surae NMES. Detail of the NMES :
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| Control group (CG) | Sham Comparator | Patients in the control group (GC) will receive, in addition to the classical rehabilitation, the combined sham NMES of the quadriceps femoris and triceps surae. Detail of the NMES :
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Neuromuscular Electrical Stimulation | Device | Standart pulmonary rehabilitation with combined quadriceps and triceps surae ESNM using two identical electrotherapy devices allowing simultaneous stimulation of the quadriceps and triceps (EG group). |
| Measure | Description | Time Frame |
|---|---|---|
| Walking distance change | Assessment of the walking distance (in meters) covered during the 6-minute walking test before and after rehabilitation (between D0 and D28± 4 days). The main endpoint is the change (in meters) between Day 0 and Day 28. | Day 0 and Day 28 |
| Measure | Description | Time Frame |
|---|---|---|
| Maximal isometric voluntary quadriceps strengh | Maximal isometric voluntary quadriceps strengh assessment (in newton) with handheld dynamometer | Day 0 and Day 28 |
| Maximal isometric voluntary endurance change |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CHU La Cavale Blanche | Brest | France | 29200 | France |
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| Sham Neuromuscular Electrical Stimulation | Device | Standart pulmonary rehabilitation with combined sham NMES of the quadriceps and triceps surae performed using two identical electrotherapy devices allowing simultaneous stimulation of the quadriceps and triceps (CG group) |
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Maximal isometric voluntary endurance assessment with handheld dynamometer
| Day 0 and Day 28 |
| Maximal isometric voluntary triceps surae strengh change | Maximal isometric voluntary triceps surae strengh assessment (in newton) with dynamometer type MICROFET 2 before and after rehabilitation. | Day 0 and Day 28 |
| Exercise capacity change with the 1 min sit to stand test | Exercise capacity assessment during the 1 min sit to stand test before and after rehabilitation. | Day 0 and Day 28 |
| Exercise capacity change with the 6 min step test | Exercise capacity assessment during the 6 min step test before and after rehabilitation. | Day 0 and Day 28 |
| Exercise capacity change with the incremental shuttle test | Exercise capacity assessment during the incremental shuttle test before and after rehabilitation. | Day 0 and Day 28 |
| Exercise capacity change with the endurance shuttle walk test | Exercise capacity assessment during the endurance shuttle walk test before and after rehabilitation. before and after rehabilitation. | Day 0 and Day 28 |
| Dyspnea change during the 6-minute walking test | Dyspnea assessment at the end of the 6-minute walking test, with the Borg scale, before and after rehabilitation | Day 0 and Day 28 |
| Dyspnea change during the 6-minute walking test | Dyspnea assessment at the end of the 6-minute walking test, with the Multidimensional dyspnea profile questionnaire, before and after rehabilitation | Day 0 and Day 28 |
| Isotime dyspnea change with the endurance shuttle walk test | Isotime dyspnea assessment during the endurance shuttle walk test, using Borg scale after rehabilitation. | Day 28 |
| Dyspnea change with the mMRC (modified Medical Research Council) scale | Assessment of dyspnea with the mMRC scale (min : 0 ; max : 4), before and after rehabilitation. | Day 0 and Day 28 |
| Dyspnea change with the LCADL (London Chest Activity of Daily Living) questionnaire | Assessment of dyspnea with the LCADL questionnaire (better score : 0; worse score: 5), before and after rehabilitation. | Day 0 and Day 28 |
| Dyspnea change with the Dyspnea-12 questionnaire | Assessment of dyspnea with the Dyspnea-12 questionnaire, before and after rehabilitation. | Day 0 and Day 28 |
| Quality of life change with the St George's Respiratory Questionnaire | Quality of life assessment with the St George's Respiratory Questionnaire, before and after rehabilitation. | Day 0 and Day 28 |
| Quality of life change with the CAT (COPD Assessment Test) Questionnaire | Quality of life assessment with COPD Assessment Test (better : 0; worse : 5), before and after rehabilitation. | Day 0 and Day 28 |
| Fear of fall change with the FES (Falls Efficacy Scale) questionnaire | Fear of fall (FES-I Questionnaire) assessment (better : 1; worse : 4), before and after rehabilitation. | Day 0 and Day 28 |
| Anxiety disorder change | Anxiety disorder assessment (HAD questionnaire) (better : 0; worse : 3) before and after rehabilitation. | Day 0 and Day 28 |
| Depressive disorder change | Depressive disorder assessment (HAD questionnaire) (better : 0; worse : 3) before and after rehabilitation. | Day 0 and Day 28 |
| Non fat mass index change | Assessment of the non fat mass index with impedancemetry , before and after rehabilitation. | Day 0 and Day 28 |
| Self esteem change | Self esteem assessment with PSI-6 (Physical Self Inventory) questionnaire (worse :0 ; better :10) | Day 0 and Day 28 |
| ID | Term |
|---|---|
| D001249 | Asthma |
| D029424 | Pulmonary Disease, Chronic Obstructive |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
| D012130 | Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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