身体活动对阿尔茨海默病风险较高的老年人认知功能的影响:一项随机试验
Nicola T Lautenschlager1, Kay L Cox, Leon Flicker
1WA Centre for Health and Ageing, University of Western Australia, Melbourne, Australia. nicolatl@unimelb.edu.au
JAMA
|September 5, 2008
概括
身体活动可以帮助有记忆问题的老年人保持认知功能. 在一项随机试验中,一项为期6个月的计划在18个月内显示出适度的认知改善.
科学领域:
- 老年学是指老年学的学科.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 观察性研究表明,身体活动对认知健康有好处.
- 随机对照试验对身体活动和认知能力下降的证据有限.
- 患有主观记忆障碍的老年人是认知健康研究的关键人口.
研究的目的:
- 调查体育活动干预对高风险老年人认知衰退率的影响.
- 提供随机对照试验证据,证明身体活动在维护认知方面的作用.
主要方法:
- 一个为期24周的家庭体育活动计划与教育和通常的护理进行了比较.
- 随机选择了170名年龄在50岁以上的参与者,他们自我报告记忆问题.
- 用阿尔茨海默病评估尺度-认知子尺度 (ADAS-Cog) 在18个月内评估认知功能.
主要成果:
- 身体活动组在干预结束时,与通常护理组相比,ADAS-Cog得分略有改善.
- 这一适度的认知效益在18个月的随访期内持续存在.
- 在单词列表延迟回忆和临床痴呆症评级总和框中也注意到了改进.
结论:
- 6个月的体育活动干预可以导致老年人具有主观记忆障碍的适度认知改善.
- 这项研究支持体育活动在缓解风险人群认知衰退方面的作用.
- 进一步的研究可能会探索对认知健康的长期影响和最佳体育活动方案.
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