在VIM-MRgFUS之后对基本震进行功能网络重组
Jinlong Liu1, Jonas Krauss2, Veronika Purrer3
1University of Bonn, University Hospital Bonn, Clinical Functional Imaging Group, Department of Nuclear Medicine, Bonn, Germany.
概括
磁共振引导聚焦超声波 (MRgFUS) 对于基本震 (ET) 选择性地重组大脑网络. 治疗后六个月,功能连接显示了改变的集群和节点中心性,表明有针对性的网络变化.
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:
- 基本震 (ET) 是一种影响运动控制的神经疾病.
- 磁共振引导聚焦超声波 (MRgFUS) 为ET提供了一个非侵入性治疗选择.
- 在ET患者中,MRgFUS病变对功能性大脑网络组织的影响尚不清楚.
研究的目的:
- 为了研究ET单方面MRgFUS治疗后大脑网络组织的变化.
- 用图形理论分析小世界属性和模块化架构的变化.
- 了解VIM核损伤后的功能网络重组.
主要方法:
- 图形理论分析应用于功能性大脑网络数据.
- 患有ET的患者接受了单边的MRgFUS,准VIM核.
- 在治疗后六个月评估了网络属性.
主要成果:
- 观察到小世界性和正常化聚类系数的显著增加.
- 集群系数,路径长度和效率指标基本保持不变.
- 保持了模块化组织,并增加了模块间连接的趋势水平.
- 在某些特定的皮质枢纽中,中间的中心性增加了,例如高级额头环和后中心环.
结论:
- 单边VIM-MRgFUS诱导ET患者的选择性功能网络重组.
- 治疗影响大脑网络中的相对聚类和节点中心性模式.
- 这些发现突出了MRgFUS治疗后针对性网络修改.
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