皮层-皮层唤起潜力的变化在发性区域与发作的发生有关
Odile Feys1,2, Vincent Wens2,3, Sophie Schuind4
1Department of Neurology, Université libre de Bruxelles (ULB), Hôpital Universitaire de Bruxelles (HUB), Hôpital Erasme, Bruxelles, Belgium.
Annals of clinical and translational neurology
|October 7, 2024
概括
增加发作频率可以加强网络,减少皮层-皮层唤起潜力 (CCEP) 的变性. 这强调了在网络组织完成之前需要早期手术.
科学领域:
- 神经科学是一个神经科学.
- 发病学 (Epileptology) 是一个专业的学科.
- 计算神经科学是一种神经科学.
背景情况:
- 在单脉冲电刺激 (SPES) 中,皮层-皮层唤起的潜能 (CCEPs) 是可重现的.
- 在发性区域 (EZ) 中观察到更高的CCEP变异性.
- 在CCEP的变化和形泄漏之间的关系需要进一步的表征.
研究的目的:
- 调查CCEP变异性与型出血之间的联系.
- 评估CCEP的变化与发作发生率和频率的关系.
- 探索在发性网络中的有效连接的修改.
主要方法:
- 对使用SPES进行立体脑电图 (SEEG) 的20名患者的回顾性分析.
- 使用试验间幅度标准偏差和峰值延迟评估的CCEP可变性.
- 统计分析包括接收机运行特征曲线和斯皮尔曼相关性.
主要成果:
- 经过距离校正的CCEP延迟和振幅变化与EZ显著相关 (AUC:0.71-0.74).
- 延迟和幅度的变化都与发作发生相关.
- 增加发作频率减少了CCEP延迟/幅度的变化.
结论:
- 发作活动会影响有效的连接性,随着发作频率的提高,CCEP的变化性会降低.
- 这表明随着时间的推移,发性网络的加强.
- 在完整的网络重组之前,建议在早期中进行手术.
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