改变SC_thalamus的功能连接性与初级三角神经疼痛
Qiansheng Cheng1,2, Shoufeng Liu3,2, Junling Wang3,2
1Department of Radiology, Tianjin Huanhu Hospital, Tianjin, China.
BMC neurology
|July 5, 2025
概括
初级三神经疼痛 (PTN) 涉及到大脑连接的改变. 这项研究在PTN患者中发现了 thalamus 和其他大脑区域之间的功能连接 (FC) 的特定变化,为中心疼痛机制提供了洞察力.
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.
- 医疗成像医学成像
背景情况:
- 初级三角神经 (PTN) 导致严重的面部疼痛.
- 丘陵体传递感官信息,包括疼痛信号.
- 在thalamic亚区域的功能连接 (FC) 变化尚未得到充分理解.
研究的目的:
- 为了研究PTN患者的thalamic感觉子区域的改变FC.
- 使用静止状态功能磁共振成像 (rs-fMRI) 来探索这些变化.
主要方法:
- 在48名PTN患者和35名健康对照 (HCs) 中,thalamic亚区域和整个大脑之间的FC比较.
- 检查了改变FC和PTN持续时间之间的相关性.
主要成果:
- 与HC相比,PTN患者在感觉受体 (SC) 丘脑和后中心/中前端回转之间显示出增加的FC.
- 在SC丘陵和右上边缘环之间观察到降低的FC.
- 中后回形的FC变化与PTN持续时间正相关,而上边回形的FC与PTN持续时间负相关.
结论:
- 在PTN中,SC丘脑和特定大脑区域之间的功能连接发生了变化.
- 这些发现表明PTN中亚核水平的中央机制变化.
- 为开发新型PTN治疗提供了理论基础.
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