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转化和逆转的双向预后预测在amnestic轻度认知障碍中的转化和逆转

Esther Zhiwei Zheng^1,2, Yue Gu^1,2, Rachel R Jin^1,2

¹Laboratory of Neuropsychology & Human Neuroscience, The University of Hong Kong, Hong Kong, China.

|March 3, 2026

概括

在轻度认知障碍患者中预测阿尔茨海默病的进展至关重要. 脑部扫描准确地识别了转化为阿尔茨海默病的患者与逆转的患者,帮助早期干预策略.

科学领域:

神经科学是一个神经科学.
医疗成像医学成像
老年学是指老年学的学科.

背景情况:

轻度认知障碍 (aMCI) 与阿尔茨海默病 (AD) 有着密切的关系.
aMCI患者表现出双向轨迹:一些人转换为AD,而另一些人恢复正常认知.
这些轨迹的早期识别对于理解aMCI-AD病理和管理患者至关重要.

研究的目的:

开发预测模型来识别将转化为AD的aMCI患者与将复发的患者.
为了比较不同数据模式的预测准确性.
确定与这些独特的临床结果相关的神经生物学标志物.

主要方法:

对129名aMCI参与者在阿尔茨海默病神经成像倡议中的基线和纵向数据的分析.
利用支持矢量机器分析来评估基于转换和逆转时间的预测功率.
通过使用不同的数据模式,比较了三种模型,并检查了相关的神经生物学标记.

主要成果:

纳入大脑体积变化的模型在分类转换与逆转方面实现了92.31%的准确性.
确定的主要神经生物学标志物包括左下侧心室体积 (转换时间),左下回体积 (认知状态) 和海马/桃体体积 (记忆性能).

结论:

开发的模型为aMCI患者提供双向,预后预测.
识别的神经标记为早期干预策略提供了宝贵的见解.
这些发现有助于减少AD发病率,优化资源配置,并提高对疾病轨迹的理解.

关键词:

认知功能认知功能痴呆症是一种痴呆症.纵向数据纵向数据纵向数据在MCI中,MCI是MCI.神经成像是一种神经成像.

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