[The prognostic value of EEG and ENG recording in deep coma].

The eeg and eng test were performed in 53 patients admitted in deep coma. The eeg patterns was analysed using Hockaday's scale and the eng test was appreciated by Nathanson-Bergman's scale. It was noticed that grade IV and V by Hockaday's scale and stage IV by Nathanson-Bergman's scale suggested malignant prognosis. Grade III in Hockaday's scale and stage II in Nathanson-Bergman's scale were unrelated to prognosis.