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| Échelle de dyspnée du Medical Research Council (MRC)× | Questionnaire sur les maladies respiratoires chroniques× | |
|---|---|---|
| Domaine | Pneumologie | Pneumologie |
| Famille | Process / pipeline | Process / pipeline |
| Année d'origine≠ | 1959 | 1987 |
| Auteur d'origine≠ | Medical Research Council (UK) | Gordon H. Guyatt, McMaster University |
| Type≠ | Clinician or self-rated ordinal scale | Self-report or interviewer-administered questionnaire |
| Source fondatrice≠ | Van Swieten, J. C., Koudstaal, P. J., Visser, M. C., Schouten, H. J., & van Gijn, J. (1988). Interobserver agreement for the assessment of handicap in stroke patients. Stroke, 19(5), 604-607. DOI ↗ | Guyatt, G. H., Berman, L. B., Townsend, M., Pugsley, S. O., & Chambers, L. W. (1987). A measure of quality of life for clinical trials in chronic lung disease. Thorax, 42(10), 773-778. DOI ↗ |
| Alias≠ | MRC, MRC Dyspnea, Modified Borg | CRQ, Chronic Respiratory Q |
| Apparentées | 5 | 5 |
| Résumé≠ | The MRC Dyspnoea Scale is a simple 5-grade ordinal classification of dyspnea severity based on the exertional threshold at which breathlessness limits activity. Developed by the UK Medical Research Council (MRC) in 1959, it remains one of the most widely used dyspnea assessments globally due to its brevity, ease of administration, and strong prognostic correlation in chronic obstructive pulmonary disease and other chronic respiratory diseases. The scale is used in clinical practice, epidemiological surveys, and longitudinal disease monitoring to grade symptom severity and guide treatment intensity. | The CRQ is a 20-item, four-domain questionnaire developed by Guyatt and colleagues at McMaster University in 1987 to measure health-related quality of life specifically in patients with chronic respiratory disease, particularly chronic obstructive pulmonary disease and cystic fibrosis. Uniquely, the CRQ can be administered by interview or self-report, and its four domains (dyspnea, fatigue, emotional function, mastery) directly address the multidimensional burden of chronic respiratory disease. The CRQ has demonstrated exceptional responsiveness to pulmonary rehabilitation and other interventions, making it a preferred outcome measure in respiratory research and clinical practice. |
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