内高频振荡和发性区域:纳入神经解剖学变异
Daniel Wendelken1, Brian Ervin2, Jason Buroker2
1Department of Computer Science, University of Cincinnati, Cincinnati, Ohio, U.S.A.
概括
通过神经解剖学区域来规范高频振荡,可以提高精确确定发性区域 (EZ) 的准确性. 这种方法提高了诊断性能,用于识别患者的发作发作.
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.
- 生物标志物发现发现
背景情况:
- 精确地定位发性区域 (EZ) 对于成功的手术至关重要.
- 高频振荡 (HFO) 是EZ识别的新兴生物标志物.
- 目前用于分析HFO的方法可能无法完全解释神经解剖学变异.
研究的目的:
- 评估是否将高频振荡 (HFO) 发生率的神经解剖学或人际变异纳入,可以提高发性区域 (EZ) 定位的诊断性能.
- 在EZ局部化中对HFO分析进行不同规范化方法进行比较.
主要方法:
- 分析了59名患者的5分钟立体电脑图 (SEEG) 数据.
- 使用三种规范化方法分析HFO:每分钟的速度,跨患者的区域智能和患者智能.
- 一般化的线性混合效应模型,对具有良好的外科治疗结果的患者进行训练,并对具有较差结果的患者进行验证.
主要成果:
- 根据地区对HFO的规范化产生了最好的EZ本地化性能 (AUC 0.69),紧随其后的是每分钟的速度 (AUC 0.68).
- 最佳模型预测了个别患者的EZ,精度 (0.18-0.86),灵敏度 (0.05-1.00) 和特异性 (0.12-0.95) 不同.
- 模型的性能在中间/轨道前部 (0.8),侧面部 (0.78) 和侧面顶部 (0.76) 区域是最高的,但在某些情况下发现了假阳性.
结论:
- 通过神经解剖学区域将HFO发生率正常化,可以显著提高EZ局部化的诊断性能.
- 高频传感器更可靠地识别EZ内部的电极接触器,在中介/轨道额叶和皮新皮层中.
- 特定区域的规范化增强了HFO作为手术规划的间接生物标志物的实用性.
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