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尽管显象技术和其他诊断手段已有了突破性的进展,然而,脑电图(EEG)仍为璇痫灶定位的决定性手段。常规头皮EFG仅对22～40％的颞叶复杂部分性发作患者的定位可靠。颅内描记,如深部电极、硬膜外和硬膜下电极描记,可大大提高癫痫灶的定位率,从而提高手术的成功率。国内有关硬膜外电极描记定位的报导甚少。作者复习了近年来国外的有关文献,现简介如下。一、电极的制作 1984年,R·Wyler等详尽地描述了条状电极的制作方法。其材料由硅化橡胶、聚四氟乙烯和不锈钢元件组成,这些材料经高压消毒不会变形。每根电极由四个不锈钢
Although breakthroughs have been made in imaging and other diagnostic techniques, EEG remains a decisive tool for the localization of X-epilepto-foci. Conventional scalp EFG is only reliable in 22-40% of patients with complicated temporal seizures. Intracranial mapping, such as deep electrode, epidural and subdural electrode profiling, can greatly improve the localization rate of epileptic foci and thus improve the success rate of surgery. There are few reports about the localization of epidural electrode in China. The author reviewed the relevant foreign literature in recent years, are as follows. First, the electrode production In 1984, R · Wyler and other detailed description of the strip electrode manufacturing method. The material consists of silicone rubber, Teflon and stainless steel components, these materials will not be deformed by high pressure disinfection. Each electrode consists of four stainless steel