公共卫生 公共卫生
Xinyu Gu1, Pauline Terebuh1, Rong Xu2
1Case Western Reserve University School of Medicine - - Cleveland, OH, Cleveland, OH, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
与年龄相关的黄斑变性 (AMD) 不会增加痴呆风险,可能会降低阿尔茨海默病的风险. 然而,失明显著增加了所有类型痴呆症的风险.
科学领域:
- 眼科医生 眼科 眼科
- 神经学 神经学
- 老年学是一门学科.
背景情况:
- 与年龄相关的黄斑变性 (AMD),失明和痴呆风险增加之间存在潜在的联系.
- 目前尚不清楚AMD与痴呆症的关联是否源于其病理或由此导致的视力丧失.
- 在AMD视网膜中发现的粉样β (Aβ) 蛋白质复杂化了对这种关系的理解.
研究的目的:
- 调查痴呆风险是否与AMD病变发生或失明有关.
- 要区分AMD本身与失明对痴呆风险的影响.
主要方法:
- 进行了一项回顾性队列研究,使用TrinetX的非识别电子健康记录,包括50岁以上的患者.
- 与没有AMD的非盲人患者 (排泄性和非排泄性) 与没有AMD的非盲人患者进行比较.
- 通过倾向匹配和灵敏度分析,对阿尔茨海默病 (AD),血管痴呆 (VaD) 和所有原因痴呆风险的盲人和非盲患者进行了5年的比较.
主要成果:
- 患有AMD的非盲人患者没有增加痴呆症风险;事实上,观察到AD和全因痴呆症风险降低.
- 失明与AD,VaD和所有原因痴呆症的风险显著增加密切相关 (HRs从1.383到1.665不等).
- 这些模式在不同年龄组和盲人患者队列中保持一致.
结论:
- 与年龄相关的黄斑变性 (AMD) 与阿尔茨海默氏症痴呆的风险降低有关,独立于失明.
- 以前的AMD和痴呆症之间的关联可能反映了失明的混效应,而不是共享的AMD病理.
- 潜在的保护机制可能涉及AMD治疗,如AREDS2维生素,这也可能有利于认知健康.
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