The influence of cognitive load on static balance in chronic obstructive pulmonary disease patients.
COPD
balance impairment
cognitive function
dual-task
Journal
The clinical respiratory journal
ISSN: 1752-699X
Titre abrégé: Clin Respir J
Pays: England
ID NLM: 101315570
Informations de publication
Date de publication:
Mar 2021
Mar 2021
Historique:
received:
13
07
2020
accepted:
13
11
2020
pubmed:
21
11
2020
medline:
19
8
2021
entrez:
20
11
2020
Statut:
ppublish
Résumé
Patients with chronic obstructive pulmonary disease (COPD) may demonstrate cognitive function and balance deterioration. These two phenomena are often realized simultaneously during daily living activities, where the risk of falling may be increased due to possible postural disturbance when focusing on a cognitive task during motion. Despite the high rate of falls in COPD, there is currently a lack of affordable clinical instruments to quantify the interaction between cognitive tasks and static balance in these patients. Therefore, this study aims to assess the balance perturbation induced by cognitive tasks using a new cost-effective protocol which can easily be implemented in clinical settings. A total of 21 COPD patients (Age: 64 ± 8 yrs, Forced Expiratory Volume in one second = 41 ± 17%, Women: 7) and 21 matched healthy controls participated in the study. They performed two cognitive tasks (counting backward by 3s and naming animals) with eyes open and with eyes closed. Each trial lasted 60 s, with balance-related parameters recorded and quantified using a Wii Balance Board. A three-way ANOVA (cognitive task, eyes action, and health status) for balance-related parameters derived from the center of pressure displacement was performed. COPD, vision, and cognitive tasks altered the balance; no interaction between conditions was observed. There was no correlation between cognitive ability, respiratory function, and the balance-related parameters. Compared to healthy controls, the COPD patients had impaired balance. Cognitive tasks altered postural control in both COPD and controls, where this alteration was more pronounced with eyes closed.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
351-357Informations de copyright
© 2020 John Wiley & Sons Ltd.
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