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目的研究500例病毒性脑炎的临床与脑电图。方法回顾性分析500例病毒性脑炎患者的临床资料及检查报告,所有患者均行脑电图检查,其中284例行CT检查,357例行磁共振检查,436例行脑脊液检查。研究病毒性脑炎常见的临床特点,比较脑电图与其他检查手段的差异。结果病毒性脑炎好发于儿童及青壮年,以头痛、发热、意识障碍等为早期主要临床表现;脑电图检查异常率87.20%,CT检查异常率26.06%,磁共振检查异常率46.22%,脑脊液检查异常率61.24%,脑电图检查异常率明显高于其他检查手法,差异具有统计学意义(P<0.05)。结论病毒性脑炎好发于儿童及青壮年,常以头痛、发热、意识障碍等为前驱症状,脑电图检查敏感性高,临床上值得推广。
Objective To study the clinical and electroencephalogram of 500 cases of viral encephalitis. Methods Retrospective analysis of 500 cases of viral encephalitis in patients with clinical data and examination reports, all patients underwent EEG examination, including 284 cases of CT examination, 357 cases of magnetic resonance imaging and 436 cases of cerebrospinal fluid examination. To study the common clinical features of viral encephalitis and to compare the differences between EEG and other examinations. Results Viral encephalitis occurred in children and young adults with headache, fever and disturbance of consciousness as the main clinical manifestations. The abnormal rate of electroencephalogram (EEG) was 87.20%, abnormal rate of CT was 26.06%, abnormal rate of MRI was 46.22% , Abnormal rate of CSF examination was 61.24%, EEG abnormality rate was significantly higher than other test methods, the difference was statistically significant (P <0.05). Conclusion Viral encephalitis occurs in children and young adults, often with headache, fever, disturbance of consciousness and other prodromal symptoms, high sensitivity EEG, clinically worth promoting.