Physical activity in COPD patients: Patterns and bouts

David Donaire-Gonzalez, Elena Gimeno-Santos, Eva Balcells, Diego A. Rodríguez, Eva Farrero, Jordi De Batlle, Marta Benet, Antoni Ferrer, Joan A. Barberà, Joaquim Gea, Robert Rodriguez-Roisin, Josep M. Antó, Judith Garcia-Aymerich

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The present study aims to describe the pattern of physical activity and the frequency, duration and intensity of physical activity bouts in patients with chronic obstructive pulmonary disease (COPD), to assess how these patterns differ according to COPD severity, and to explore whether these patients meet the general guidelines for physical activity for older adults. 177 patients (94% male, mean±SD age 71±8 years and forced expiratory volume in 1 s 52±16% predicted) wore the SenseWear Pro2 Armband accelerometer for eight consecutive days. Physical activity bouts were defined as periods of ≥ 10 min above 1.5 metabolic equivalent tasks and classified according to their median intensity. Patients engaged in activity a median of 153 min·day-1 and 57% of that time was spent in bouts. Median frequencies of bouts per day were four and three for all and moderate-to-vigorous intensities, respectively. With increasing COPD severity, time in physical activity, proportion of time in bouts and frequency of bouts decreased. 61% of patients fulfilled the recommended physical activity guidelines. In conclusion, COPD patients of all spirometric severity stages engage in physical activity bouts of moderate-to-vigorous intensities. Patients with severe and very severe COPD perform their daily activities in fewer and shorter bouts than those in mild and moderate stages.

Idioma originalAnglès
Pàgines (de-a)993-1002
Nombre de pàgines10
RevistaEuropean Respiratory Journal
Estat de la publicacióPublicada - 1 d’oct. 2013
Publicat externament


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