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Revista chilena de enfermedades respiratorias

versión On-line ISSN 0717-7348

Resumen

MENDOZA I, LAURA et al. A program of physical activity enhancement using pedometers in chronic obstructive pulmonary disease. Rev. chil. enferm. respir. [online]. 2013, vol.29, n.3, pp.135-140. ISSN 0717-7348.  http://dx.doi.org/10.4067/S0717-73482013000300002.

Introduction: The level of daily physical activity is reduced in COPD and has a negative effect on the morbidity and mortality of this condition. Usual advice is not sufficient to reverse the sedentary condition. Pedometers are widely used but their effects in COPD have not been tested in our country. Aim: To determine the effect of pedometers on physical activity in COPD patients. Method: 55 COPD patients were recruited for a 3 months individual program promoting daily physical activity enhancement and were randomly assigned either to a pedometer-based program (experimental group) or to usual care (control group). At the beginning and at the end of the intervention period we measured the average daily steps over one week, exercise capacity using the six-minute walking test (6MWT), the MMRC dyspnoea score, the Saint George Respiratory Questionnaire (SGRQ) and the COPD assessment Test (CAT) to estimate quality of life. Results: 69% of the subjects were male, mean age 68 years, mean FEV1IFVC 55%, mean FEV163% of predicted value. Experimental (n = 29) and control group (n = 26) had comparable baseline characteristics. There was a significant difference in the increase of steps/day in the experimental group in comparison with the control group (median value = 2073.5 versus -68, p < 0.001). Also, a significant difference was observed in the symptoms subscale score of the SGRQ (reduction of 9.65 versus 0.05points, experimental versus control group, p = 0.048). Conclusions: Pedometers are a useful tool to increase physical activity level in COPD.

Palabras clave : COPD; physical activity; pedometers.

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