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KMID : 0379220160360030727
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Journal of Korea Gerontological Society
2016 Volume.36 No. 3 p.727 ~ p.749
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Current Research Trends on Prevalence, Correlates with Cognitive Function, and Intervention on Sarcopenia in Community-dwelling Older Adults: Systematic Review
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Ahn Soo-Jung
Chu Sang-Hui
Jung Hye-Jeong
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Abstract
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This systematic review was performed to investigate relationship between sarcopenia and cognitive function among community-dwelling older adults. Studies which reported prevalence rates of sarcopenia in community-dwelling older adults, relationships between sarcopenia and cognitive dysfunction, or effective interventions in alleviated symptoms of sarcopenia were selected. Of 43 studies reviewed, prevalence rate of sarcopenia ranged from 2.5-42.4% in 25 studies, and 4 studies revealed a significantly positive correlation between sarcopenia and cognitive dysfunction. Among 12 randomized-control trials (RCTs), exercise intervention was used in 2 studies; nutrition intervention in 6; and 4 studies included both the exercise and nutrition interventions. All interventional studies reported positive effects on muscle mass, muscle strength, or physical function. However, only 6 studies met the high quality criteria of Risk of Bias, and there was no study which evaluated cognitive function as an outcome measure. Therefore, this study draws attention to the lack of high-quality RCTs and exclusion of cognitive function as an outcome measure in the research of sarcopenia. A comprehensive and sustained system including standardized sarcopenia screening, assessments of cognitive functioning, and evidence-based intervention programs is needed in order to prevent and manage sarcopenia amongst older adults in the community
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KEYWORD
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community-dwelling older adults , sarcopenia , cognitive function , exercise , nutrition
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