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KMID : 1211620220170010093
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Journal of the Korean Society of Physical Medicine
2022 Volume.17 No. 1 p.93 ~ p.108
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The Correlation between Gait and Cognitive Function in Dual-task Walking of the Elderly with Cognitive Impairment: A Systematic Literature Review
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Shin Jae-Yeon
Kim Ye-Jin
Kim Ji-Sue
Min Su-Bin
Park Jae-Ni
Bae Jae-Han
Seo Hee-Eun
Shin Hee-Sun
Yu Young-Eun
Lim Ju-Young
Jang Ji-Soo
Cho Young-Woo
Lee Han-Suk
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Abstract
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PURPOSE: This review sought to confirm the correlation between dual-task gait and cognitive function in cognitively impaired and healthy older adults.
METHOD: We used four databases (DBs), Pubmed, Cochrane library, Kmbase, and Koreamed. Searches were carried out according to the PICOS method, P (participants) were the elderly (above 65 years) with cognitive decline, I (intervention) was walking with dual tasks, C (control group) comprised the elderly without cognitive decline, O (outcome) was the correlation between gait and cognitive function and S(study) was the cross-sectional study. For the methodological quality assessment of each study, we used the Quality Assessment Tool for Observation Cohort and Cross- Sectional Studies provided by the National Institutes of Health (NIH).
RESULTS: A total of 10 articles were included in this systematic review. For the components of gait, we used pace, rhythm, and variability and we observed that mild cognitive impairment mostly causes low gait performance while performing dual tasks. Among the 10 articles, 9 articles studied pace, of which 7 showed significant results. However, 2 were not significant. Also, 1 article that studied rhythm and 3 articles that studied variability showed significant results.
The methodological quality of the 10 studies was fair.
CONCLUSION: Gait pace was found to have a high correlation between memory, which is a cognitive ability, and overall cognitive function. It was observed that older adults with mild cognitive impairment have reduced gait pace in single-task walking, and further decrease in dual-task gait pace shows the correlation between memory and gait pace during walking.
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KEYWORD
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Cognition, Dual-task, Gait, Old adult, Cognitive dysfunction
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