Title: Feasibility of application of bispectral index to titrating desflurane or sevoflurane anesthesia
Abstract: Objective To assess the feasibility of using bispectral index (BIS) to guidance of desflurane or sevoflurane anesthesiaMethods Forty ASA Ⅰ-Ⅱ patients were randomly assigned to four groups, After a induction of propofol 2-2·5mg·kg -1 and fentanyl 2ug·kg -1, laryngoscopy and intubation were facilitated with intravenous vecuronium 01mg·kg -1,and anesthesia was maintained with either desflurane or sevoflurane in combination with 60% nitrous oxide In control groups, the anesthesiologists were blinded to the BIS value, and the volatile anesthetics were administered according to their clinical experience In BIS-titrated groups, the volatile anesthetics were titrated to maintain the BIS value at about 60Results During the maintenance period, the SBP in BIS-titrated groups was higher than that in control groups, while SBP fluctuation was less in control groups than that in BIS-titrated groups The requirements of volatile anesthetics were lower in BIS-titrated groups than those in control groupsConclusions In spite of predicting the sedative effect of desflurane or sevoflurane, BIS can not titrate desflurane or sevoflurane anesthesia
Publication Year: 2000
Publication Date: 2000-01-01
Language: en
Type: article
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