老年男性的治疗和认知功能 低和与年龄相关的记忆障碍
Susan M Resnick1, Alvin M Matsumoto2, Alisa J Stephens-Shields3
1Laboratory of Behavioral Neuroscience, National Institute on Aging, National Institutes of Health, Baltimore, Maryland.
JAMA
|February 28, 2017
概括
在年龄相关的记忆障碍和低水平的老年男性中,治疗没有改善记忆或认知功能. 与安慰剂相比,这项研究在一年内没有发现显著差异.
科学领域:
- 老年学
- 神经科学
- 内分泌学
背景情况:
- 认知功能通常会随着年龄的增长而下降.
- 之前的研究表明治疗可能会提高认知能力.
- 与年龄相关的记忆障碍 (AAMI) 影响了许多低的老年男性.
研究的目的:
- 调查丸激素治疗是否能改善语言记忆和其他认知功能.
- 在低和AAMI的老年男性中,比较治疗与安慰剂.
主要方法:
- 一个随机的,安慰剂对照的试验,涉及493名65岁以上的男性,他们的丸激素和AAMI低.
- 参与者每天接受丸激素凝或安慰剂凝一年.
- 在基线,6个月和12个月使用口语记忆,视觉记忆,执行功能和空间能力的测试来评估认知功能.
主要成果:
- 与安慰剂相比,治疗没有显著改善延迟段落回忆 (口头记忆).
- 视觉记忆,执行功能或空间能力之间没有显著差异.
- 在整个12个月的研究期间,延迟段落回忆的平均分数在两组中保持相似.
结论:
- 在低和AAMI的老年男性中,一年的治疗没有提高记忆力或认知功能.
- 这些发现表明治疗对改善与老龄化相关的认知衰退不有效.
- 可能需要进一步的研究来探索其他潜在的治疗老年男性认知障碍的方法.
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