在没有认知障碍的2型糖尿病患者中检测中断的大脑结构连接
Yi-Fan Li1, Yue Wei2,3, Ming-Rui Li4
1Department of Radiology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China.
在2型糖尿病 (T2DM) 中,早期的大脑变化在认知障碍之前就能被检测出来. 扩散张力成像揭示了补偿性皮下-额头连接,使得准确的临床前检测.
科学领域:
- 神经成像是一种神经成像.
- 代谢障碍 代谢障碍 代谢障碍
- 认知神经科学 认知神经科学
背景情况:
- 在2型糖尿病 (T2DM) 认知衰退之前临床症状,使得早期检测至关重要但具有挑战性.
- 识别没有轻度认知障碍的T2DM患者是及时临床干预的关键.
研究的目的:
- 在没有认知障碍的T2DM患者中识别结构性大脑变化.
- 了解T2DM早期认知衰退的机制.
主要方法:
- 扩散张力成像 (DTI) 用于在47名T2DM患者和47名对照患者中构建结构性大脑网络.
- 使用连接特征开发了机器学习模型来分类T2DM大脑并预测疾病持续时间.
主要成果:
- 二型糖尿病患者的网络效率 (全球/本地,小世界) 和区域连接模式发生了变化.
- 一个机器学习模型根据18个连接特征在区分T2DM大脑方面实现了92.5%的准确性.
- 结构连接预测了疾病发病的发生时间,误差为±1.9年.
结论:
- 早期的大脑网络重组发生在T2DM中,皮下-额头连接作为补偿生物标志物.
- 基于DTI的生物标志物显示出检测T2DM临床前认知衰退的巨大潜力.
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