公共卫生 公共卫生
Chunyan Li1, Jiafeng Wang1, Ziwei Chen1
1Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
战略性白质超强度 (WMH) 位置,特别是在皮质脊髓管 (CST) 和前丘脑辐射 (ATR) 中,与认知能力下降有关. 特定于管道的WMH分析对于理解认知表型至关重要.
科学领域:
- 神经成像是一种神经成像.
- 神经学 神经学
- 认知科学 认知科学
背景情况:
- 白质超强度 (WMH) 位置显著影响认知功能.
- 识别特定的WMH位置是理解认知衰退和轻度认知障碍 (MCI) 亚型的关键.
研究的目的:
- 识别与认知连续体相关的战略性WMH位置.
- 调查WMH与轻度认知障碍 (MCI) 亚型的关联.
主要方法:
- 使用MIND-中国MRI副研究数据 (2018-2020) 的基于人口的研究.
- 通过神经心理测试评估认知功能;痴呆症,MCI和主观认知衰退 (SCD) 根据国际标准定义.
- 使用损伤预测算法量化特定于通道的WMH体积;用多项逻辑回归分析.
主要成果:
- 包括1253名参与者 (年龄≥60岁);28名痴呆症,286名MCI,270名SCD.
- 在周周结膜/深白质中普遍存在的WMH;双边前丘脑辐射 (ATR) 显示了最高的体积.
- 皮质脊髓管 (CST) 和ATR中的WMH与认知障碍阶段相关;与痴呆症,MCI,SCD和MCI亚型 (记忆障碍/非记忆障碍) 相关的特定通道.
- APOE ε4等位基因相互作用显示,WMH在左ATR,右CST和子小与MCI仅在非载体中相关.
结论:
- 皮质脊髓管 (CST) 和前丘脑辐射 (ATR) 是WMH与认知障碍有很强的关联的关键位置.
- 特定于管道的WMH分析对于理解整个认知连续的认知表型至关重要.
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