在急性一氧化碳中毒患者中低频波动的变化的静态和动态振幅:静止状态fMRI研究
Shenghai Wang1,2, Tianze Sun1, Wenxuan Han1
1Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Frontiers in neuroscience
|January 29, 2026
概括
急性一氧化碳中毒 (ACOP) 导致大脑不稳定,特别是在前额区域. 这些区域的动态大脑活动变化与ACOP患者的认知缺陷相关.
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.
- 毒理学 毒理学 毒理学
背景情况:
- 急性一氧化碳中毒 (ACOP) 是一个重大的公共卫生问题.
- 了解ACOP的神经生物学影响对于有效的治疗和预后至关重要.
- 之前的研究已经探索了ACOP后的认知缺陷,但潜在的脑活动变化需要进一步调查.
研究的目的:
- 通过使用低频波动 (ALFF) 静态和动态振幅分析,研究ACOP患者内在大脑活动的变化.
- 探索这些大脑活动变化与ACOP患者临床表现之间的关系.
主要方法:
- 休息状态功能磁共振成像 (fMRI) 数据从31名ACOP患者和28名健康对照获得.
- 静态和动态ALFF值被计算出来,并在各组之间进行比较.
- 部分相关性分析用于将ALFF变化与临床特征相关联.
主要成果:
- 在ACOP患者中,双侧上额头 (SFG) 和左侧中额头 (MFG) 的动态ALFF增加.
- 与对照组相比,在ACOP患者的左中椎 (MOG) 中观察到静态ALFF的减少.
- 左侧SFG和MFG中的异常动态ALFF与认知得分 (MoCA-B) 有负相关.
结论:
- ACOP患者在内在大脑活动中表现出异常的不稳定性,特别是在前额叶区域.
- 前额头区域局部大脑活动的时间变化与认知表现有关.
- 结合静态和动态ALFF分析,为ACOP的神经病理机制提供了宝贵的见解.
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