Recovery from propofol anesthesia: a quantitative electroencephalographic analysis.

C. L. Chen, C. C. Liu, Ta-Liang Chen, Gong-Jhe Wu, C. H. Huang, S. Y. Lin, C. C. Chao

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5 引文 斯高帕斯(Scopus)


Four numerical descriptors (median frequency, spectral edge frequency-95%, total power, and delta-ratio) derived from the computer-processed electroencephalogram (Neurometrics Lifescan) were analyzed for their ability to predict imminent arousal from total intravenous anesthesia with propofol. Fifteen patients undergoing minor surgical procedures without intubation were enrolled in the study. Arousal was defined as eye opening in response to verbal stimuli. During emergence from propofol, there were no significant changes among the descriptors except the delta-ratio. Significant change of delta-ratio occurred 210 seconds before patients' arousal and thereafter. An increase of delta-ratio value indicates that patients shifted from anesthetic to arousal state. It is concluded that the degree of delta-ratio change may be used for predicting patients' arousal from propofol anesthesia.

頁(從 - 到)77-82
期刊Acta Anaesthesiologica Sinica
出版狀態已發佈 - 6月 1994

ASJC Scopus subject areas

  • 醫藥 (全部)


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