Victoria Alcaraz-Serrano1, Ane Arbillaga-Etxarri2, Patricia Oscanoa3, Laia Fernández-Barat1, Leticia Bueno1, Rosanel Amaro3, Elena Gimeno-Santos4,5, Antoni Torres1,3. 1. Fundació Clínic per la Recerca Biomèdica (FCRB), CIBERES, Hospital Clínic de Barcelona, Villarroel Street 170, 08036 Barcelona, Spain. 2. Physiotherapy Department, University of Deusto, Mundaiz Street 50, 20012 Donostia San Sebastián, Gipuzkoa, Spain. 3. Institut Clínic Respiratori, Hospital Clínic de Barcelona, Villarroel Street 170, 08036 Barcelona, Spain. 4. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic de Barcelona, Villarroel Street 170, 08036 Barcelona, Spain. 5. Non-Communicable Diseases and Environment Department, Barcelona Institute for Global Health (ISGlobal). Dr. Aiguader Street 88, 08003 Barcelona, Spain.
Abstract
BACKGROUND: Low physical activity and high sedentary behaviour in patients with bronchiectasis are associated with hospitalisation over one year. However, the factors associated with longitudinal changes in physical activity and sedentary behaviour have not been explored. We aimed to identify clinical and sociodemographic characteristics related to a change in physical activity and sedentary behaviour in patients with bronchiectasis after one year. METHODS: This was a prospective observational study during which physical activity measurements were recorded using a SenseWear Armband for one week at baseline and at one year. At each assessment point, patients were classified as active or inactive (measured as steps per day) and as sedentary or not sedentary (measured as sedentary time). RESULTS: 53 patients with bronchiectasis were analysed, and after one year, 18 (34%) had worse activity and sedentary levels. Specifically, 10 patients became inactive and sedentary. Multivariable analysis showed that the number of exacerbations during the follow-up period was the only outcome independently associated with change to higher inactivity and sedentary behaviour (odds ratio (OR), 2.19; 95% CI, 1.12 to 4.28). CONCLUSIONS: The number of exacerbations in patients with bronchiectasis was associated with changes in physical activity and sedentary behaviour. Exacerbation prevention may appear as a key factor in relation to physical activity and sedentary behaviour in patients with bronchiectasis.
BACKGROUND: Low physical activity and high sedentary behaviour in patients with bronchiectasis are associated with hospitalisation over one year. However, the factors associated with longitudinal changes in physical activity and sedentary behaviour have not been explored. We aimed to identify clinical and sociodemographic characteristics related to a change in physical activity and sedentary behaviour in patients with bronchiectasis after one year. METHODS: This was a prospective observational study during which physical activity measurements were recorded using a SenseWear Armband for one week at baseline and at one year. At each assessment point, patients were classified as active or inactive (measured as steps per day) and as sedentary or not sedentary (measured as sedentary time). RESULTS: 53 patients with bronchiectasis were analysed, and after one year, 18 (34%) had worse activity and sedentary levels. Specifically, 10 patients became inactive and sedentary. Multivariable analysis showed that the number of exacerbations during the follow-up period was the only outcome independently associated with change to higher inactivity and sedentary behaviour (odds ratio (OR), 2.19; 95% CI, 1.12 to 4.28). CONCLUSIONS: The number of exacerbations in patients with bronchiectasis was associated with changes in physical activity and sedentary behaviour. Exacerbation prevention may appear as a key factor in relation to physical activity and sedentary behaviour in patients with bronchiectasis.
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