Dissociation between physical capacity and daily physical activity in COPD patients. A population-based approach

Physical capacity (PC) and daily physical activity (PA) are two crucial factors in the clinical course of COPD, although they do not always maintain a close relationship. The objectives were to evaluate the frequency of PC-PA dissociation in patients with COPD and subjects without airflow limitation...

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Published in:Respiratory medicine 2023-02, Vol.207 (NA), p.107115-107115, Article 107115
Main Authors: García-Río, Francisco, Miravitlles, Marc, Soriano, Joan B., Cosío, Borja G., Soler-Cataluña, Juan José, Casanova, Ciro, de Lucas, Pilar, Alfageme, Inmaculada, González-Moro, José Miguel Rodríguez, Sánchez Herrero, María Guadalupe, Ancochea, Julio
Format: Article
Language:English
Subjects:
Chronic obstructive pulmonary disease
Exercise
Exercise tolerance
Humans
Lung
Physical activity
Pulmonary Disease, Chronic Obstructive
Respiratory Function Tests
Walking
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Summary:Physical capacity (PC) and daily physical activity (PA) are two crucial factors in the clinical course of COPD, although they do not always maintain a close relationship. The objectives were to evaluate the frequency of PC-PA dissociation in patients with COPD and subjects without airflow limitation (AL) and to identify its risk factors. A sample of 319 COPD patients and 399 subjects without AL was consecutively obtained from a population-based sample of 9092 subjects evaluated in the EPISCAN II study. Baseline evaluation included clinical questionnaires, lung function testing, blood analysis and low-dose computed tomography (CT) scan with evaluation of lung density and airway wall thickness. A distance walked in 6 min > 70% predicted was considered an indicator of normal PC, while a Yale Physical Activity Survey summary index score
ISSN:0954-6111
1532-3064
DOI:10.1016/j.rmed.2023.107115