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Systemic effects of chronic obstructive pulmonary disease in young-old adults’ life-space mobility

Authors Garcia IFF, Tiuganji CT, Simões MSMP, Santoro IL, Lunardi AC

Received 11 July 2017

Accepted for publication 29 August 2017

Published 27 September 2017 Volume 2017:12 Pages 2777—2785

DOI https://doi.org/10.2147/COPD.S146041

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Charles Downs

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell

Isabel Fialho Fontenele Garcia,1 Carina Tiemi Tiuganji,1 Maria do Socorro Morais Pereira Simões,2 Ilka Lopes Santoro,3 Adriana Claudia Lunardi1,2

1Master’s and Doctoral Programs in Physical Therapy, Universidade Cidade de São Paulo, 2Department of Physical Therapy, School of Medicine, University of Sao Paulo, 3Respiratory Division, Pulmonary Rehabilitation Center, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil

Purpose: The objective was to assess whether dyspnea, peripheral muscle strength and the level of physical activity are correlated with life-space mobility of older adults with COPD.
Patients and methods: Sixty patients over 60 years of age (40 in the COPD group and 20 in the control group) were included. All patients were evaluated for lung function (spirometry), life-space mobility (University of Alabama at Birmingham Study of Aging Life-Space Assessment), dyspnea severity (Modified Dyspnea Index), peripheral muscle strength (handgrip dynamometer), level of physical activity and number of daily steps (accelerometry). Groups were compared using unpaired t-test. Pearson’s correlation was used to test the association between variables.
Results: Life-space mobility (60.41±16.93 vs 71.07±16.28 points), dyspnea (8 [7–9] vs 11 [10–11] points), peripheral muscle strength (75.16±14.89 vs 75.50±15.13 mmHg), number of daily steps (4,865.4±2,193.3 vs 6,146.8±2,376.4 steps), and time spent in moderate to vigorous activity (197.27±146.47 vs 280.05±168.95 minutes) were lower among COPD group compared to control group (p<0.05). The difference was associated with the lower mobility of COPD group in the neighborhood.
Conclusion: Life-space mobility is decreased in young-old adults with COPD, especially at the neighborhood level. This impairment is associated to higher dyspnea, peripheral muscle weakness and the reduced level of physical activity.

Keywords: COPD, elderly, mobility limitation, dyspnea, muscular weakness

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