癫痫持续状态(Status Epilepticus;SE)为小儿最常见的神经系统急症之一,在小儿的发生率较成人高,占癫痫患儿的6%~21%,病死率为2·5%[1]。SE的传统定义为发作持续时间超过30min或者发作频繁而在间歇意识始终未能完全恢复正常者,近年来不少学者对以30min作为诊断的时限提出异议[1 Status Epilepticus (SE) is one of the most common neurological emergencies in children. Its incidence in children is higher than that in adults, accounting for 6% -21% of children with epilepsy and the case fatality rate is 2.5% [1] . SE is the traditional definition of the duration of the attack for more than 30min or episodes of frequent and intermittent awareness has not been fully restored to normal in recent years, many scholars on the 30min as the time limit for diagnosis [1