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Pedometers to enhance physical activity in COPD: a randomised controlled trial

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Title: Pedometers to enhance physical activity in COPD: a randomised controlled trial
Authors: Mendoza, L
Horta, P
Espinoza, J
Aguilera, M
Balmaceda, N
Castro, A
Ruiz, M
Diaz, O
Hopkinson, NS
Item Type: Journal Article
Abstract: Physical inactivity is a cardinal feature of chronic obstructive pulmonary disease (COPD), and is associated with increased morbidity and mortality. Pedometers, which have been used in healthy populations, might also increase physical activity in patients with COPD. COPD patients taking part in a 3-month individualised programme to promote an increase in their daily physical activity were randomised to either a standard programme of physical activity encouragement alone, or a pedometer-based programme. Assessments were performed by investigators blinded to treatment allocation. Change in average 1-week daily step count, 6-min walking distance (6MWD), modified Medical Research Council scale, St George’s respiratory questionnaire (SGRQ) and COPD assessment test (CAT) were compared between groups. 102 patients were recruited, of whom 97 completed the programme (pedometer group: n=50; control group: n=47); 60.8% were male with a mean±sd age of 68.7±8.5 years, and forced expiratory volume in 1 s (FEV1) 66.1±19.4% and FEV1/forced vital capacity 55.2±9.5%. Both groups had comparable characteristics at baseline. The pedometer group had significantly greater improvements in: physical activity 3080±3254 steps·day−1 versus 138.3±1950 steps·day−1 (p<0.001); SGRQ −8.8±12.2 versus −3.8±10.9 (p=0.01); CAT score −3.5±5.5 versus −0.6±6.6 (p=0.001); and 6MWD 12.4±34.6 versus −0.7±24.4 m (p=0.02) than patients receiving activity encouragement only. A simple physical activity enhancement programme using pedometers can effectively improve physical activity level and quality of life in COPD patients.
Issue Date: 1-Feb-2015
Date of Acceptance: 7-Aug-2014
URI: http://hdl.handle.net/10044/1/23450
DOI: 10.1183/09031936.00084514
ISSN: 1399-3003
Publisher: European Respiratory Society
Start Page: 347
End Page: 354
Journal / Book Title: European Respiratory Journal
Volume: 45
Issue: 2
Copyright Statement: © ERS 2015. ERJ Open article are open access and distributed under the terms of the Creative Commons Attribution Non-Commercial Licence 4.0.
Keywords: Science & Technology
Life Sciences & Biomedicine
Respiratory System
OBSTRUCTIVE PULMONARY-DISEASE
CLINICALLY IMPORTANT DIFFERENCE
EXERCISE CAPACITY
REHABILITATION
HEALTH
COHORT
INTERVENTION
MANAGEMENT
INACTIVITY
MORTALITY
Science & Technology
Life Sciences & Biomedicine
Respiratory System
OBSTRUCTIVE PULMONARY-DISEASE
CLINICALLY IMPORTANT DIFFERENCE
EXERCISE CAPACITY
REHABILITATION
HEALTH
INTERVENTION
MANAGEMENT
INACTIVITY
MORTALITY
OUTCOMES
Actigraphy
Aged
Chile
Exercise
Exercise Therapy
Female
Forced Expiratory Volume
Health Status
Humans
Male
Middle Aged
Monitoring, Ambulatory
Pulmonary Disease, Chronic Obstructive
Quality of Life
Surveys and Questionnaires
Walking
Humans
Pulmonary Disease, Chronic Obstructive
Forced Expiratory Volume
Monitoring, Ambulatory
Exercise
Exercise Therapy
Walking
Health Status
Quality of Life
Aged
Middle Aged
Chile
Female
Male
Actigraphy
Surveys and Questionnaires
11 Medical and Health Sciences
Respiratory System
Publication Status: Published
Online Publication Date: 2015-01-31
Appears in Collections:National Heart and Lung Institute
Faculty of Medicine



This item is licensed under a Creative Commons License Creative Commons