2型糖尿病缓解了粉样蛋白与老年退伍军人日常功能1年变化之间的关联
Alin Alshaheri Durazo1,2, Alexandra J Weigand3, Katherine J Bangen2,4
1San Diego State University, San Diego, CA, USA.
Journal of Alzheimer's disease : JAD
|December 31, 2023
概括
2型糖尿病 (T2DM) 加快了退伍军人的认知衰退. 较高的粉样β水平会使T2DM退伍军人的日常功能恶化,这表明影响大脑健康的关键相互作用.
科学领域:
- 神经学 神经学
- 老年病的医生 老年病的医生
- 内分泌学 在内分泌学.
背景情况:
- 2型糖尿病 (T2DM) 影响了25%的退伍军人,是一般人口的两倍.
- T2DM加剧了阿尔茨海默病 (AD) 风险因素和痴呆风险,特别是在老年退伍军人中.
研究的目的:
- 调查T2DM是否能缓解粉样β (Aβ) 定子发射断层扫描 (PET) 与日常功能1年变化之间的关系.
- 检查T2DM和Aβ负担对老年退伍军人的认知和功能衰退的综合影响.
主要方法:
- 198名没有痴呆症的越南时代退伍军人 (74人患有T2DM) 接受了Aβ PET成像和功能评估 (CDR-SB,ECog).
- 线性混合效应模型分析了T2DM对Aβ PET和1年功能变化的缓解作用.
主要成果:
- 对于CDR-SB和ECog分级 (记忆,语言) 发现了一个显著的三向相互作用 (T2DM×Aβ PET×时间).
- 高Aβ负担与功能困难的增加有关,但仅限于T2DM的退伍军人.
结论:
- 较高的Aβ水平与一年的功能衰退相关,仅在T2DM的退伍军人中.
- T2DM和Aβ的组合可能会加速衰退,可能是由于同时发生的大脑血管疾病. 需要进一步研究糖尿病的持续时间,严重程度和药物治疗.
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