Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2023
EEG dynamics induced by zolpidem forecast consciousness evolution in prolonged disorders of consciousness.
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Gao Qiong, Hao Jianmin, Kang Xiaogang, Yuan Fang, Liu Yu, Chen Rong, Liu Xiuyun, Li Rui, Jiang Wen
Аннотация
OBJECTIVE: To explore whether the EEG dynamics induced by zolpidem can predict consciousness evolution in patients with prolonged disorders of consciousness (PDOC).
METHODS: We conducted a prospective explorative analysis on thirty-six patients with PDOC and eleven healthy controls. The EEG power spectrum was analyzed and categorized into 'ABCD' patterns at baseline and one hour after zolpidem administration at 10 mg. The clinical outcome was defined as consciousness improvement and no improvement six months after enrollment using the Coma Recovery Scale-Revised (CRS-R) score.
RESULTS: Zolpidem administration significantly increased the EEG power in the delta & theta bands and decreased EEG power in the beta bands in healthy controls. Further follow-up studies indicated that the increased EEG beta-band power induced by zolpidem can predict an improved consciousness six months after enrollment with an area under the receiver operating characteristic curve (AUC) of 0.829, the sensitivity of 94.38% and an accuracy of 81.48%.
CONCLUSIONS: Our work revealed that the specific EEG responses to zolpidem can predict consciousness recovery in PDOC patients.
SIGNIFICANCE: The zolpidem-induced specific EEG responses could potentially predict the recovery of PDOC patients, which may help clinicians and patients' families in their decision-making process.
METHODS: We conducted a prospective explorative analysis on thirty-six patients with PDOC and eleven healthy controls. The EEG power spectrum was analyzed and categorized into 'ABCD' patterns at baseline and one hour after zolpidem administration at 10 mg. The clinical outcome was defined as consciousness improvement and no improvement six months after enrollment using the Coma Recovery Scale-Revised (CRS-R) score.
RESULTS: Zolpidem administration significantly increased the EEG power in the delta & theta bands and decreased EEG power in the beta bands in healthy controls. Further follow-up studies indicated that the increased EEG beta-band power induced by zolpidem can predict an improved consciousness six months after enrollment with an area under the receiver operating characteristic curve (AUC) of 0.829, the sensitivity of 94.38% and an accuracy of 81.48%.
CONCLUSIONS: Our work revealed that the specific EEG responses to zolpidem can predict consciousness recovery in PDOC patients.
SIGNIFICANCE: The zolpidem-induced specific EEG responses could potentially predict the recovery of PDOC patients, which may help clinicians and patients' families in their decision-making process.