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- W3030150612 abstract "Objective To evatluate the effect of dexmedetomidine on intraoperative wake-up test during cerebral functional area operation performed under combined iv propofol-remifentanil anesthesia.Methods Twenty-seven ASA Ⅰ or Ⅱ patients (both sexes) aged 17-43 yr with a body mass index of 20-24 kg/m2 undergoing op-eration on cerebral functional area during which intraoperative wake-up test was performed were randomly divided into control group (group C,n =13) and dexmedetomidine group (group D,n =14).Anesthesia was induced with midazolam,sufentanil,etomidate and rocuronium and maintained with TCl of propofol (Cp =3-5 μg/ml) and remifentanil (Ce =2-6 ng/ml).BIS value was maintained at 55-65.In group D after dura of brain was opened,a loading dose of dexmedetomidine 0.3 μg/kg was administered iv over 15 min followed by continuous iv infusion at 0.2 μg· kg-1 · h-1 while TCI of propofol and remifentanil were suspended.In group C after opening of dura,Cp of propofol TCI was reduced to 0.5 μg/ml and Ce of remifentanil to 0.5 ng/ml.The wake-up time and development of hypertension,tachycardia,headache,dysphoria,delirium and awareness were recorded.Results All patients were successfully awakened.There was no significant difference in wake-up time between the 2 groups (P ＞0.05).The incidences of hypertension,tachycardia,headache and awareness were significantly lower in group D than in group C (P ＜ 0.05).Conclusion Dexmedetomidine does not affect intraoperative wake-up time during operation on cerebral functional area performed under iv propofol-remifentanil anesthesia,but can significantly reduce the incidence of adverse effects.Key words: Dexmedetomidine ; Propofol ; Piperidines ; Neurosurgical procedures ; Wake-up test" @default.
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- W3030150612 date "2012-10-20" @default.
- W3030150612 modified "2023-09-27" @default.
- W3030150612 title "Effect of dexmedetomidine on intraoperative wake-up test during cerebral functional area operation performed under combined intravenous propofol-remifentanil anesthesia" @default.
- W3030150612 doi "https://doi.org/10.3760/cma.j.issn.0254-1416.2012.10.023" @default.
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