Physical activity and cognitive function among older adults in China: A systematic review.
Physical activity and cognitive function among older adults in China: A systematic review.
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中国老年人体力活动和认知功能：系统评价
DOI：
10.1016/j.jshs.2016.07.003
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发表时间：
2016-09
影响因子：
11.7
通讯作者：
Liu Y
中科院分区：
文献类型：
--
作者：
Lü J;Fu W;Liu Y
体力活动 (PA) 已被证明有益于老年人的认知功能。然而，运动对中国老年人的认知益处尚未得到系统记录。本研究旨在对 PA 对中国老年人认知功能有益的证据进行系统评价。检索了PubMed、EMBASE、Cochrane Library、万方、中国知网和维普等主要数据库中2000年1月至2015年12月期间以英文或中文发表的研究。本综述纳入了评价中国老年人PA和认知功能的随机和非随机对照试验（RCT和非RCT）、队列、病例对照和横断面研究。在纳入和审查的 53 项研究中，33 项为观察性研究（22 项横断面研究、7 项病例对照研究和 4 项队列研究），20 项为实验性研究（15 项随机对照试验，5 项非随机对照试验）。观察性研究表明，运动锻炼可以降低认知相关疾病（即轻度认知障碍、阿尔茨海默病和痴呆）的风险，而实验研究则表明运动可以改善认知功能的多个领域（即整体认知功能、记忆力、执行功能、注意力、语言和处理资源）。这项系统评价提供了初步证据，表明 PA 可能有益于中国老年人的认知。需要对认知障碍患者进行进一步研究，并进行具有高度科学严谨性的前瞻性和随机对照研究，以证实本综述中报告的结果。
Physical activity (PA) has been shown to benefit cognitive function in older adults. However, the cognitive benefits of exercising for older Chinese adults have not been systematically documented. This study was to conduct a systematic review on evidence that PA is beneficial for cognitive functioning in older Chinese adults. Major databases, including PubMed, EMBASE, Cochrane Library, WanFang, CNKI, and VIP, were searched for studies published in English or Chinese between January 2000 and December 2015. Randomized and non-randomized controlled trials (RCTs and non-RCTs), cohort, case-control and cross-sectional studies that evaluated PA and cognitive function among older Chinese adults were included in this review. Of 53 studies included and reviewed, 33 were observational (22 cross-sectional, 7 case-control, and 4 cohort) and 20 were experimental (15 RCTs, 5 non-RCTs). Observational studies showed an association of reduced risk of cognitive-related diseases (i.e., mild cognitive impairment, Alzheimer's disease, and dementia) through PA, whereas experimental studies reported exercise-induced improvement in multiple domains of cognitive function (i.e., global cognitive function, memory, executive function, attention, language, and processing recourse). This systematic review provides initial evidence that PA may benefit cognition in older Chinese adults. Further studies of individuals with cognitive impairments and prospective and RCT studies having high scientific rigor are needed to corroborate the findings reported in this review.
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