末期病患者的脑连接体梯度功能障碍及其与临床表型和认知缺陷的关联
Peng Li1,2,3, Nan Li4, Li Ren5
1Department of Radiology & Functional and Molecular Imaging Key Lab of Shaanxi Province, The Second Affiliated Hospital of Air Force Medical University, Xi'an, Shaanxi, China.
Communications biology
|May 5, 2025
概括
末期病 (ESRD) 扰乱了大脑的层次组织,影响了认知功能. 这些通过神经成像识别的脑部变化可以作为ESRD患者的临床标志物.
科学领域:
- 神经科学是一个神经科学.
- 腎臟病學 (nephrology) 是一種醫學專業.
- 放射学 放射学是一门学科.
背景情况:
- 皮层层次结构对于处理感觉运动和认知信息至关重要.
- 末期病 (ESRD) 对这种大脑结构及其临床相关性的影响尚不清楚.
研究的目的:
- 通过静止状态功能磁共振成像 (rs-fMRI) 来调查ESRD患者大脑中的等级变化.
- 探索ESRD中这些大脑变化和临床症状之间的相关性.
- 评估这些变化的潜力作为神经成像生物标志物.
主要方法:
- 预计将招募77名ESRD患者和48名健康对照组.
- 利用rs-fMRI分析大脑功能连接和梯度指标.
- 应用了神经合成平台和机器学习模型 (10倍交叉验证) 来进行数据分析.
主要成果:
- 在关键的大脑网络中,ESRD患者表现出异常的梯度指标:默认模式,感觉运动和前端对称网络.
- 这些层次变化与血清肌水平,抑郁症状和认知功能缺陷有显著的相关性.
- 一个逻辑回归分类器在区分基于这些指标的群体方面表现出很高的性能 (84.8%准确率,0.901 AUC).
结论:
- 在皮层层次组织中,ESRD导致了显著的不平衡.
- 这些神经成像发现与认知障碍相关,并可能作为ESRD临床症状的潜在生物标志物.
- 这项研究为ESRD的神经后果提供了新的见解.
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