Reducción de la actividad física en pacientes con enfermedad pulmonar obstructiva crónica
Background: Patients with chronic obstructive pulmonary disease (COPD) decrease their physical activity. However, it is unknown at which stage of the disease the reduction occurs and whether dyspnea is a limiting factor. Aim: To compare physical activity between patients with COPD and controls of si...
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| Autores principales: | , , , , , |
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| Lenguaje: | Spanish / Castilian |
| Publicado: |
Sociedad Médica de Santiago
2011
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872011001200005 |
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| Sumario: | Background: Patients with chronic obstructive pulmonary disease (COPD) decrease their physical activity. However, it is unknown at which stage of the disease the reduction occurs and whether dyspnea is a limiting factor. Aim: To compare physical activity between patients with COPD and controls of similar age and to assess its association with disease severity. Material and Methods: We studied 112 patients with mild to very severe COPD and 55 controls. Lung function, six-minutes walking test (SMWT), and physical activity through the International Physical Activity Questionnaire (IPAQ) were measured. Results: Compared to controls, physical activity was significantly reduced in COPD patients (1823 ± 2598 vs. 2920 ± 3040 METs min/week; p = 0.001). Patients were more frequently sedentary (38 vs. 11%), while controls were more often very active (31 vs. 19%) or moderately active (58 vs. 43%). Physical activity was reduced from Global Initiative for Obstructive Chronic Lung Disease (GOLD) stage 2 and from Modified Medical Research Council (MMRC) dyspnea grade 1. Weak relationships were observed between lung function, SMWT and physical activity. Conclusions: Physical activity decreases early in the course of the disease and when dyspnea is still mild, among patients with COPD. (Rev Med Chile 2011; 139:1562-1572). |
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