帕金森病的功能性连接性补偿与步态结
Li-Chuan Huang1,2, Li-Guo Chen1, Hung-Wen Kao1,3
1Department of Medical Imaging, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan.
The European journal of neuroscience
|October 3, 2024
概括
帕金森病 (PD) 中的步态结与大脑连接的改变有关. 特定大脑区域之间的功能连接下降可能有助于识别PD亚型,并追踪行走严重程度的结.
科学领域:
- 神经科学是一个神经科学.
- 医疗成像医学成像
- 神经学 神经学
背景情况:
- 步态结 (FOG) 是帕金森病 (PD) 中的一个衰弱的运动症状.
- 据了解,FOG的潜在病理生理机制仍然不太清楚.
- 调查功能连接 (FC) 变化可能会阐明FOG机制.
研究的目的:
- 调查FOG.PD患者的全脑功能连接 (FC) 模式变化.
- 探索FOG (PD-FOG) 的PD患者,没有FOG (PD-nFOG) 的PD患者和健康对照之间的FC差异.
- 为了确定FOG和PD亚型的潜在神经成像生物标志物.
主要方法:
- 休息状态功能性MRI (rs-fMRI) 用于获取18名PD患者 (10名PD-FOG,8名PD-nFOG) 和10名健康对照者的大脑数据.
- 基于种子的分析和图形理论被用来探索互联网连接差异.
- 多重线性回归分析了FC变化与临床测量之间的关系.
主要成果:
- 在这三个组中观察到FC的显著变化.
- 走路结问卷的严重程度与Vermis 12和左側頭状皮質 (r = -0.82,P <.001) 之间的CF降低相关.
- 与PD-nFOG患者相比,PD-FOG患者表现出左下额头状圈语言网络与后中心状圈之间的连接性增加.
结论:
- 维尔米斯12与左尾状皮质之间的功能连接性下降可能成为跟踪FOG的潜在神经成像生物标志物.
- FC变化可以帮助区分PD亚型 (PD-FOG与PD-nFOG).
- 了解这些连接性变化为帕金森病中的FOG病理生理学提供了洞察力.
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