淋巴功能障碍介导着胆管缩对白质超强度患者信息处理速度的影响
Yanan Xu1,2, Mengxue Wang3, Xiaoli Li3
1Nanjing Medical University, Nanjing, China.
Cerebral cortex (New York, N.Y. : 1991)
|June 24, 2024
概括
白质超强度 (WMHs) 与认知能力下降有关. 较高的胆脉体积 (CPV) 和受损的淋巴功能 (通过DTI-ALPS测量) 会使WMH患者的认知处理速度恶化.
科学领域:
- 神经科学是一个神经科学.
- 放射学 放射学是一门学科.
- 老年学是一门学科.
背景情况:
- 淋巴功能障碍与认知能力下降有关.
- 较高的胆管体体积 (CPV) 与减少的淋巴清除相关.
- 在白质超强度 (WMHs) 中,CPV,淋巴功能和认知障碍之间的关系尚不清楚.
研究的目的:
- 研究CPV,淋巴功能 (DTI-ALPS) 和WMH患者的认知表现之间的相互作用.
- 探索淋巴功能在WMH相关认知障碍中的潜在调解作用.
主要方法:
- 进行了神经心理评估.
- 从206名WMH受试者和43名健康对照 (HC) 获得了T1加权的3D-T1和扩散张力成像 (DTI).
- 沿周血管空间 (DTI-ALPS) 的DTI分析指数被计算出来,以评估淋巴功能.
主要成果:
- 与其他组相比,严重的WMH显示信息处理速度 (IPS) 和执行功能明显差.
- 严重的WMH的DTI-ALPS指数较低,CPV比HC和轻度WMH更高.
- 中度WMH的CPV高于HC和轻度WMH.
- 在WMH患者中,认知指标 (迷你精神状态检查,IPS,执行功能) 与CPV负相关,与DTI-ALPS指数正相关.
结论:
- 在WMH患者中,淋巴功能部分调解了CPV和IPS之间的关联.
- CPV可以作为WMH相关认知障碍的预后标志物.
- 淋巴系统是与WMHs相关的认知障碍的潜在治疗点.
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