Abstract
Objective To explore the application value of electroencephalograph (EEG) patterns and dynamic monitoring in toxic comatose survivors.Methods Retrospective research of clinical data and different time intervals of long term EEG patterns according to 119 toxic comatose survivors.Results EEG monitoring indicated that all kinds of toxic comatose survivors were almost diffused slow waves of V style EEG pattern, except for those valium intoxation cataphora which were mainly β style. All Ⅰ style EEG pattern had an unfavorable prognosis, style Ⅱ and style Ⅲ had an unfavorable prognosis rate of 81.8 percents and 60 percents, while the best one was V style EEG pattern which had an abnormal diffused slow waves and 2.9 percents of unfavorable prognosis rate. The patients whose EEG pattern indicated a better trend during re-inspection predicted favorable prognosis, while a worse trend predicted unfavorable prognosis.Conclusions The EEG pattern of toxic comatose survivors has some sense to judging comatose degree and prognosis. However for those comatose patients, long term dynamic EEG monitoring can provide dynamic and more precise information for prognosis judgment. Key words: Toxic comatose; EEG pattern; Dynamic EEG monitoring; Prognosis
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