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目的 评价动态脑电图 (AEEG)对急性病毒性脑炎的预后价值。 方法 采用英国牛津Medilog 92 0 0盒式 2 4h动态脑电图监测仪 ,对 1995— 1999年儿科住院病毒脑炎 64例进行入院首次及 15～ 88d后AEEG监测。 结果 其中双枕低电压 6例 (死亡 ) ;右侧低电压 1例 (死亡 ) ;双侧弥漫高幅δ波 3 1例、局灶 2例、双侧阵发 5例 ;双侧弥漫θ波 18例。伴睡眠生理波消失 3 2例 ,伴棘慢波 3 6例 (死亡 1例 )。复查AEEG 3 5例 :正常 13例 ,θ波节律 19例 ,δ波节律 1例 ,局灶棘慢波 2例。睡眠生理波存在3 1例。 结论 病毒性脑炎急性期AEEG监测显示睡眠生理波消失者 ,临床恢复较慢 ;显示局灶痫波者预示有癫痫后遗症 ;显示双枕电沉默 ,1侧电沉默及爆发棘慢波间断电沉默者 ,预示有临床死亡之可能性 ,因此病毒性脑炎急性期AEEG监测对预后的评价是非常有价值的。
Objective To evaluate the prognostic value of dynamic electroencephalogram (AEEG) in acute viral encephalitis. Methods 64 cases of pediatric inpatient encephalitis in 1995-1999 were enrolled in the study. AEEG monitoring was performed for the first time and 15 ~ 88 days after admission in Medilog 92 0 0 box-type 24 h dynamic EEG monitor. Results Among them, there were 6 cases of double-pillow low voltage (death), 1 case of low voltage on the right side (death), 31 cases of high-amplitude δ-wave diffusely in both sides, 2 cases of focal lesion and 5 cases of bilateral paroxysm. 18 cases. There were 32 cases with sleep-induced physiological wave disappearance, 36 cases with spikes and slow waves (1 case died). Review of AEEG 3 5 cases: normal in 13 cases, θ wave rhythm in 19 cases, δ wave rhythm in 1 case, focal spikes and waves in 2 cases. There are 31 cases of sleep physiological wave. Conclusion The AEEG monitoring of acute encephalitis showed that the disappearance of sleep physiological wave was slow in clinical recovery. It showed that the patients with focal epilepsy had sequelae of epilepsy. , Indicating the possibility of clinical death, so the acute AEEG monitoring of viral encephalitis prognosis evaluation is very valuable.