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目的探讨脑电图检查对病毒性脑炎的诊断价值。方法对临床确诊的病毒性脑炎82例病人进行脑电图检查,并对脑电图、脑脊液、颅脑CT或MRI结果进行对比分析。结果本组脑电图异常率100%,轻症组以轻中度脑电图异常多见,而重症组则以重度异常多见;脑脊液异常为57.9%,头颅MRI异常为38.9%,头颅CT异常为17.9%。结论病毒性脑炎患者的脑电图改变较脑脊液和头颅影像学异常出现早、阳性率高,在病毒性脑炎的早期诊断、病情变化和预后判断具有重要的价值。
Objective To investigate the diagnostic value of EEG in viral encephalitis. Methods EEG was performed on 82 patients with clinically diagnosed viral encephalitis, and the results of EEG, cerebrospinal fluid, brain CT or MRI were compared. Results The abnormal rate of EEG in this group was 100%. Mild to moderate EEG was more common in mild cases than in severe cases, and severe abnormalities were seen in severe cases. The abnormal cerebrospinal fluid was 57.9%, abnormal MRI was 38.9% Abnormal was 17.9%. Conclusions EEG changes in patients with viral encephalitis are earlier than those in cerebrospinal fluid and cranial imaging. The positive rate is high, which is of great value in the early diagnosis, changes of disease and prognosis of viral encephalitis.