没有头皮-EEG相关的克隆性发作的表面电肌图学特征:用震进行比较分析
Veena V Kumar1,2, Akshaya R Sivaji1, Shwetank Singh1,3
1Epilepsy Center, Neurological Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.
概括
表面电肌图 (sEMG) 可以区分克隆性发作和震. 克隆性发作显示同步的肌肉活动和增加爆发时间,与震不同.
科学领域:
- 神经学 神经学
- 神经生理学 神经生理学
背景情况:
- 克隆性发作包括来自同步肌肉收缩的抽运动 (0.2-5 Hz).
- 区分克隆性发作和震至关重要,特别是当头皮EEG是负的时.
研究的目的:
- 为了比较头皮-EEG负克隆性发作的表面电肌图 (sEMG) 特性,与像震这样的非动作进行比较.
- 确定客观的生物标志物来区分这些条件.
主要方法:
- 对6名头皮EEG阴性克隆性发作或震的患者进行了回顾性分析.
- 同时视频EEG和sEMG监测,使用电极对抗和激动肌肉.
- 对sEMG爆发特征的分析:肌肉同步,持续时间,振幅和频率.
主要成果:
- 克隆性发作显示同步的激动/对抗肌肉活动;震呈现交替的模式.
- 在克隆性发作中,sEMG爆发幅度增加,但震没有.
- 在克隆性发作期间,sEMG爆发的持续时间增加,在震中保持稳定.
- 在克隆性发作中,sEMG爆发频率下降,震没有持续的变化.
- 爆发持续时间≥250毫秒预测了克隆性发作,准确度>90%.
结论:
- 典型的sEMG特征可以客观地区分克隆性发作和震.
- 当头皮EEG没有确定性时,sEMG为诊断克隆性发作提供了宝贵的工具.
关键词:
这是一个EEGEEGEEGEEGEEGEEGEEG.病因学: (大脑) 出血病因学:异常病态的异常病态.位置:中央 (右)定位:不适用: 不适用现象学:克隆性 (非性)现象学:克隆性发作综合征:焦点非非异常形状的头顶形状.综合征:非性发系统性疾病.这是克隆性发作.sEMG 的意思是说.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,更多相关视频
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