Changes in the rapidly extracted auditory evoked potentials index and the bispectral index during sedation induced by propofol or midazolam under epidural.

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Presentation transcript:

Changes in the rapidly extracted auditory evoked potentials index and the bispectral index during sedation induced by propofol or midazolam under epidural block S.J. Ge, X.L. Zhuang, Y.T. Wang, Z.D. Wang, H.T. Li British Journal of Anaesthesia Volume 89, Issue 2, Pages 260-264 (August 2002) DOI: 10.1093/bja/aef187 Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

Fig 1 Scatterplot showing individual AAI and BIS at different OAA/S scores during the onset and recovery phases of propofol-induced sedation. The linear regression lines were analysed. AAI=17.60(OAA/S score)–3.62; BIS=6.18(OAA/S score)+65.83; n=90, during the onset phase. AAI=18.61(OAA/S score)–8.97; BIS=3.68(OAA/S score)+76.02; n=72, during the recovery phase. British Journal of Anaesthesia 2002 89, 260-264DOI: (10.1093/bja/aef187) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

Fig 2 Scatterplot showing individual AAI and BIS at different OAA/S scores during the onset and recovery phases of midazolam-induced sedation. The linear regression lines were analysed. AAI=17.91(OAA/S score)–5.03; BIS=12.25(OAA/S score)+38.96; n=70, during the onset phase. British Journal of Anaesthesia 2002 89, 260-264DOI: (10.1093/bja/aef187) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions