Meta-Analysis on Cognitive Benefit of Exercise after Stroke

ObjectiveThe objective of this paper is to evaluate the cognitive benefit of exercise after stroke, so as to provide more accurate and reliable guidance for targeted exercise intervention. Methods. Randomized controlled trials of the relationship between exercise and cognition after stroke were iden...

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Main Authors: Bo Yang, Shuming Wang
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Complexity
Online Access:http://dx.doi.org/10.1155/2021/5569346
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author Bo Yang
Shuming Wang
author_facet Bo Yang
Shuming Wang
author_sort Bo Yang
collection DOAJ
description ObjectiveThe objective of this paper is to evaluate the cognitive benefit of exercise after stroke, so as to provide more accurate and reliable guidance for targeted exercise intervention. Methods. Randomized controlled trials of the relationship between exercise and cognition after stroke were identified in Cochrane Library and PubMed. Methodological quality was assessed using the Cochrane tool of bias. SMD and 95% confidence intervals were calculated, and Chi-squared test (Q) was adopted to estimate the heterogeneity. Results. (a) Twenty-three studies met inclusion criteria, including 1528 participants. Heterogeneity was from low to high such as attention (I2 = 0.00%), executive function (I2 = 0.00%), cognition (I2 = 64%), and working memory (I2 = 77%). (b) The overall effect on cognition was small (SMD = 0.16 [0.04, 0.28]) but significant and there is a difference between cognitive domains in attention (SMD = −0.35 [−0.57, −0.14]), executive function (SMD = −0.24 [−0.40, −0.08]), and working memory (SMD = 0.36 [0.20, 0.53]). (c) Exercise training was less effective before the 18th month after stroke. Higher benefits on cognition were found after combined therapy compared with other exercise programs, and the older the stroke survivors, the less the cognitive benefit of exercise. Conclusion. Small-to-moderate effect of exercise on cognitive benefit after stroke was found, and the effect was moderated by treatment protocols and sample characteristics.
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spelling doaj-art-a94bb5e278764d0aa9c9b013955c65912025-02-03T06:06:30ZengWileyComplexity1076-27871099-05262021-01-01202110.1155/2021/55693465569346Meta-Analysis on Cognitive Benefit of Exercise after StrokeBo Yang0Shuming Wang1College of Physical Education & Health, East China Normal University, Shanghai 200241, ChinaCollege of Physical Education & Health, East China Normal University, Shanghai 200241, ChinaObjectiveThe objective of this paper is to evaluate the cognitive benefit of exercise after stroke, so as to provide more accurate and reliable guidance for targeted exercise intervention. Methods. Randomized controlled trials of the relationship between exercise and cognition after stroke were identified in Cochrane Library and PubMed. Methodological quality was assessed using the Cochrane tool of bias. SMD and 95% confidence intervals were calculated, and Chi-squared test (Q) was adopted to estimate the heterogeneity. Results. (a) Twenty-three studies met inclusion criteria, including 1528 participants. Heterogeneity was from low to high such as attention (I2 = 0.00%), executive function (I2 = 0.00%), cognition (I2 = 64%), and working memory (I2 = 77%). (b) The overall effect on cognition was small (SMD = 0.16 [0.04, 0.28]) but significant and there is a difference between cognitive domains in attention (SMD = −0.35 [−0.57, −0.14]), executive function (SMD = −0.24 [−0.40, −0.08]), and working memory (SMD = 0.36 [0.20, 0.53]). (c) Exercise training was less effective before the 18th month after stroke. Higher benefits on cognition were found after combined therapy compared with other exercise programs, and the older the stroke survivors, the less the cognitive benefit of exercise. Conclusion. Small-to-moderate effect of exercise on cognitive benefit after stroke was found, and the effect was moderated by treatment protocols and sample characteristics.http://dx.doi.org/10.1155/2021/5569346
spellingShingle Bo Yang
Shuming Wang
Meta-Analysis on Cognitive Benefit of Exercise after Stroke
Complexity
title Meta-Analysis on Cognitive Benefit of Exercise after Stroke
title_full Meta-Analysis on Cognitive Benefit of Exercise after Stroke
title_fullStr Meta-Analysis on Cognitive Benefit of Exercise after Stroke
title_full_unstemmed Meta-Analysis on Cognitive Benefit of Exercise after Stroke
title_short Meta-Analysis on Cognitive Benefit of Exercise after Stroke
title_sort meta analysis on cognitive benefit of exercise after stroke
url http://dx.doi.org/10.1155/2021/5569346
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