Determinants of change in physical activity during moderate-to-severe COPD exacerbation
Authors Esteban C, Quintana JM, Garcia-Gutierrez S, Anton-Ladislao A, Gonzalez N, Bare M, Fernandez de Larrea N, Rivas-Ruiz F
Received 19 December 2014
Accepted for publication 1 April 2015
Published 3 February 2016 Volume 2016:11(1) Pages 251—261
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 7
Editor who approved publication: Dr Richard Russell
Cristóbal Esteban,1,2 José M Quintana,2,3 Susana Garcia-Gutierrez,2,3 Ane Anton-Ladislao,3 Nerea Gonzalez,2,3 Marisa Baré,2,4 Nerea Fernández de Larrea,2,5 Francisco Rivas-Ruiz2,6
For the IRYSS-COPD group
1Respiratory Department, Hospital Galdakao-Usansolo, Bizkaia; 2Red de Investigación en Servicios Sanitarios y Enfermedades Crónicas (REDISSEC), Galdakao; 3Research Unit, Hospital Galdakao-Usansolo, Bizkaia; 4Unit of Clinical Epidemiology, Corporacio Parc Tauli, Barcelona; 5Health Department, Madrid; 6Research Unit, Hospital Costa del Sol, Mabella, Málaga, Spain
Background: Data are scarce on patient physical activity (PA) level during exacerbations of chronic obstructive pulmonary disease (eCOPD). The objective of the study was to evaluate the level and determinants of change in PA during an eCOPD.
Materials and methods: We conducted a prospective cohort study with recruitment from emergency departments (EDs) of 16 participating hospitals from June 2008 to September 2010. Data were recorded on socioeconomic characteristics, dyspnea, forced expiratory volume in 1 second (FEV1%), comorbidities, health-related quality of life, factors related to exacerbation, and PA in a stable clinical condition and during the eCOPD episode.
Results: We evaluated 2,487 patients. Common factors related to the change in PA during hospital admission or 7 days after discharge to home from the ED were lower PA at baseline and during the first 24 hours after the index evaluation. Age, quality of life, living alone, length of hospital stay, and use of anticholinergic or systemic corticosteroids in treating the exacerbation were associated with the change in PA among hospitalized patients. Predictors of change among patients not admitted to hospital were baseline FEV1% and dyspnea at rest on ED arrival.
Conclusion: Among the patients evaluated in an ED for an eCOPD, the level and change in PA was markedly variable. Factors associated with exacerbation (PA 24 hours after admission, medication during admission, and length of hospital stay) and variables reflecting patients’ stable clinical condition (low level of PA, age, quality of life, FEV1%) are predictors of the change in PA during a moderate-to-severe eCOPD.
Keywords: COPD exacerbations, physical activity, prospective cohort study
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