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This study is designed to determine the individual threshold of minimal clinical change (MCID) for each component of the Multidimensional Dyspnea Profile (MDP) questionnaire in COPD patients undergoing pulmonary rehabilitation.
The aim of the research is to determine the minimal clinically significant difference (MCID) in MDP scores in COPD patients after a respiratory rehabilitation course using the anchoring method :
The sensitivity study will be conducted using the visual analog dyspnea scale instead of the Borg score. Finally, we will also determine the MCID using the distribution method. The MCID score will be correlated with various quality of life and physical performance scores.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| pulmonary rehabilitation | Experimental | COPD patients will be admitted for pulmonary rehabilitation, the duration and modalities of which vary from center to center. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| constant work-rate cycling exercise test | Other | Description: at the end of pulmonary rehabilitation, a constant work-rate second cycling exercise test will be performed with the same duration as the cycling exercise test at inclusion |
| Measure | Description | Time Frame |
|---|---|---|
| multidimensional (MDP) questionnaire | The multidimensional questionnaire measuring the sensory component of dyspnea (intensity of the 5 respiratory descriptors) and the affective component of dyspnea (immediate discomfort and intensity of emotional responses). The MDP will be carried out at the end of the constant work-rate cycling exercise test, taking into account the last 30 seconds. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| sensory Borg scale | The two Borg scales will be carried out at the end of the constant work-rate cycling exercise test, taking into account the last 30 seconds. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| affective Borg scale | The two Borg scales will be carried out at the end of the constant work-rate cycling exercise test, taking into account the last 30 seconds. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| Measure | Description | Time Frame |
|---|---|---|
| Affective and Sensory dyspnea visual analog scale (VAS) | Affective and sensory dyspnea VAS will be carried out at the end of the constant work-rate cycling exercise test, taking into account the last 30 seconds. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| mMRC (Modified Medical Research Council) dyspnea score |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Capucine Morelot-Panzini, MD-PhD | Contact | 0142167771 | +33 | capucine.morelot@aphp.fr |
| Name | Affiliation | Role |
|---|---|---|
| Capucine Morelot-Panzini, MD, PhD | APHP | Principal Investigator |
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Data are available upon reasonable request The procedures carried out with the French data privacy authority (CNIL, Commission nationale de l'informatique et des libertés) do not provide for the transmission of the database, nor do the information and consent documents signed by the patients.
Consultation by the editorial board or interested researchers of individual participant data that underlie the results reported in the article after deidentification may nevertheless be considered, subject to prior determination of the terms and conditions of such consultation and in respect for compliance with the applicable regulations.
Beginning 3 months and ending 3 years following article publication. Requests out of these time frame can also be submitted to the sponsor
Researchers who provide a methodologically sound proposal
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This 5-level score assesses the intensity of dyspnea. The consideration period will be one week. |
| at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| Dyspnoea 12 | Multidimensional dyspnea questionnaire comprising 12 items (7 sensory and 5 affective) that can be rated from 0 (absent) to 3 (severe), i.e. a score from 0 to 36. This questionnaire measures dyspnoea over the period "these days". The consideration period will be one week | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| COPD Assessment Test (CAT) score | This questionnaire comprises 8 questions on a scale from 0 (best condition) to 5 (worst condition). The total score corresponds to the sum of the scores for each question: it ranges from 0 to 40.The consideration period will be one week. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| Hospital Anxiety and Depression scale (HADS) | Anxiety and depression, measured by the two subscore of the HADS scale. Each subscore comprises 7 items rated from 0 (no symptoms) to 3. Seven questions relate to anxiety (total A) and seven questions relate to depression enabling us to obtain the score (maximum score = 42)The consideration period will be one week. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| Saint George Respiratory Questionnaire (SGRQ) | evaluated by a total score and three sub-scores (symptoms, activity and impact). The total score and each sub-score are scaled from 0 to 100. The higher the score, the poorer the quality of life.The consideration period will be one week. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| VQ11 | questionnaire consisting of 11 questions evaluated by a total score and 3 sub-scores (functional - 3 items, psychological: 4 items; relational - 4 items). Each question has 5 possible response levels, with ratings on a Likert scale ranging from 1 (not at all) to 5 (extremely). The functional, psychological and relational scores are respectively rated out of 15 for the first and 20 for the last two. The total score ranges from 11 to 55. A VQ11 total score greater than or equal to 22 reflects a patient's poor health-related quality of life. | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| lung function tests | FEV1 measurement (before and after bronchodilation), FEV1/FVC measurement, inspiratory capacity (IC) measurement, RV measurement (optional) | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| 6 minutes walk test | Distance | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| rise chair test (optional) | number of rise | at inclusion and then, up to 6 weeks (at the end of pulmonary rehabilitation course) |
| ID | Term |
|---|---|
| D029424 | Pulmonary Disease, Chronic Obstructive |
| D004417 | Dyspnea |
| ID | Term |
|---|---|
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012120 | Respiration Disorders |
| D012818 | Signs and Symptoms, Respiratory |
| D012816 | Signs and Symptoms |
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