用神经刺激 (VNS) 治疗的患者的复杂网络行为:VNS响应者表现出独特的模式,与VNS无响应者和健康对照者不同
Irena Dolezalova1,2, Jan Chladek1,3,4, Michal Macek4
1The First Department of Neurology, Brno Epilepsy Center, Member of ERN-Epicare, St. Anne's University Hospital and Faculty of Medicine, Masaryk University, Brno, Czechia.
Frontiers in neuroscience
|February 12, 2026
概括
神经刺激 (VNS) 响应者和不响应者表现出不同的植入前EEG特征. 这些差异,特别是高通风期间的α带活性,可以预测VNS治疗的结果.
科学领域:
- 神经科学是一个神经科学.
- 生物医学工程 生物医学工程
- 的研究研究.
背景情况:
- 耐药性需要替代治疗方法,如神经刺激 (VNS).
- 接受VNS的患者被分为响应者 (≥50%的发作减少) 或不响应者 (<50%的发作减少).
- 植入前的电生理学特征可能会使VNS结果有所不同.
研究的目的:
- 为了调查VNS响应者和非响应者之间的植入前EEG差异.
- 确定独特的电生理学特征 (UCs),区分这些群体和健康对照 (HCs).
- 探索相对平均功率 (RPW) 和估计器在预测VNS响应中的作用.
主要方法:
- 对59名患者 (24名反应者,35名不反应者) 和37名健康对照患者的植入前EEG时间序列的分析.
- 脑电图数据被细分并过成标准频段 (乙太,α,β,玛).
- 计算RPW和每个部分的七个估计器,以确定区分特征.
主要成果:
- 对VNS响应者确定了41个UC (7个RPW,34个Entropy),对VNS非响应者确定了19个UC (4个RPW,15个Entropy).
- VNS响应UC与α频带和高通风刺激有关.
- 在高通风过程中,VNS非响应性UC与和玛波段联系在一起.
结论:
- 与HC相比,VNS响应者表现出比非响应者更显著的EEG差异,特别是在分析中.
- 无论是VNS响应组还是非响应组,都对高通风有不同的反应,使它们与HC区别开来.
- 过度通风反应的特定频段关联 (响应者的α) 是一个关键的差异化因素.
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