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目的：探索２４ ｈ 动态脑电图对小儿癫癎诊断和鉴别诊断的意义。方法：对１２５ 例临床诊断为癫癎及可疑癫癎儿童进行２４ ｈ 动态脑电图检查。结果：脑电图总异常率为６２－３ ％ ，癫癎组异常率７７ ％ ，癎样波检出率７４－７ ％ ，可疑癫癎组异常率３１－６ ％ ，癎样波检出率１８－４ ％ 。两组之间异常率和癎样放电检出率均有非常显著性差异（ Ｐ＜ ０－００１） 。其癎样放电时相以睡眠期为主（９７－２ ％ ） 。结论：动态脑电图对小儿癫癎诊断、鉴别诊断和指导治疗有重要作用。
Objective: To explore the significance of 24 h dynamic EEG in the diagnosis and differential diagnosis of children with epilepsy. Methods: 125 cases of clinical diagnosis of epilepsy and suspicious epilepsy children 24 h dynamic EEG. Results: The total abnormal rate of EEG was 62-3%, the rate of abnormality in epilepsy group was 77%, the rate of hippocampal sampling was 74-7%, the rate of abnormality in suspicious epileptic group was 31-6% 18-4%. There was a significant difference between the two groups (P <0-001). The same kind of discharge phase to sleep mainly (97-2%). Conclusion: EEG plays an important role in the diagnosis, differential diagnosis and guidance of pediatric epilepsy.