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Balance Assessment and Treatment in Individuals with Chronic Obstructive Pulmonary Disease

Preliminary evidence suggests that balance deficits constitute an important secondary impairment in individuals with chronic obstructive pulmonary disease (COPD). The main objective of this thesis was to describe balance impairment and fall risk in individuals with COPD and to examine interventions for improving balance and reducing fall risk in the context of pulmonary rehabilitation. The first study of this thesis showed that falls are common in patients with COPD and that fallers are characterized by impairments in standard clinical balance measures, such as the Berg Balance Scale and Timed Up and Go. In the second study, we found that the exercise component of conventional pulmonary rehabilitation has only modest effects on balance and fall risk in COPD, highlighting the need to examine the role of balance-specific training for these patients. The third study of this thesis identified the postural control subsystems most responsible for the observed balance deficits in COPD. Compared with age-matched controls, individuals with COPD demonstrated reductions in all balance control subsystems and slower reaction times in response to external perturbations. In this study, we also showed that deficits in balance in patients with COPD were associated with peripheral muscle weakness and reduced physical activity levels. These results informed the design of the final study of this thesis, a randomized controlled trial evaluating the addition of specific balance training to pulmonary rehabilitation for improving balance in patients with COPD. Preliminary results from this study suggest that the addition of thrice weekly balance exercises to a conventional pulmonary rehabilitation program is effective for optimizing gains in measures of functional balance and fall risk. The findings from the four studies included in this thesis support the need for incorporating balance assessment and treatment for at-risk patients with COPD, as part of their comprehensive management.

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:OTU.1807/33929
Date10 December 2012
CreatorsBeauchamp, Marla Kim
ContributorsBrooks, Dina, Goldstein, Roger
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
Languageen_ca
Detected LanguageEnglish
TypeThesis

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