在健康成年人中揭示认知功能的生理相关性:使用光学连贯断层扫描 (OCT) 进行深入调查
Sarah Al-Mazidi1, Hanan Khalid Mofty2, Kholoud Ahmad Bokhary2
1Anatomy and Physiology Department, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh 13318, Saudi Arabia.
Journal of clinical medicine
|January 28, 2026
概括
用光学连贯断层扫描 (OCT) 测量的视网膜黄斑厚度是潜在的认知功能的非侵入性生物标志物. 较薄的斑点与轻度认知障碍相关,这表明OCT可以帮助早期检测.
科学领域:
- 眼科和神经病学 眼科和神经病学
- 生物标志物发现发现
- 神经退行性疾病研究研究
背景情况:
- 需要用于认知功能的客观生物标志物,因为当前的查工具是主观的.
- 视网膜成像为大脑健康提供了一个非侵入性的窗口,这是由于共享的血管和神经结构.
- 早期发现认知衰退对于有效干预至关重要.
研究的目的:
- 研究视网膜结构作为健康年轻人认知功能的非侵入性生物标志物.
- 为了将光学一致性断层扫描 (OCT) 测量与认知评估得分相关联.
主要方法:
- 80名健康的年轻人接受了光学连贯断层扫描 (OCT),以测量斑点厚度,体积和视网膜神经纤维层厚度 (RNFL).
- 通过蒙特利尔认知评估 (MoCA),OCT发现与认知表现相关.
主要成果:
- 与具有正常认知能力的人相比,轻度认知障碍的个体表现出明显较薄的黄斑厚度和较低的黄斑体积 (p < 0.05,p < 0.001).
- 斑点厚度与健康成年人的认知功能有积极的关联 (p < 0.001).
- 在所有组中,RNFL厚度保持正常,这表明黄斑变化,而不是视神经变化,与这个队列中的认知功能有关.
结论:
- 斑点OCT是一种具有成本效益,可访问的工具,用于查轻度认知障碍.
- 建议进行进一步的临床试验,以验证这些发现,并确定用于认知健康的视网膜生物标志物.
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