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- W2022106209 abstract "To compare dexmedetomidine vs. placebo with respect to the amount of additional propofol and morphine used for bispectral index-guided sedation and analgesia in mechanically ventilated, intensive care patients after surgery.Prospective, randomized, double blind, placebo-controlled, phase II clinical trial.General surgical and cardiac surgical intensive care units.Thirty patients scheduled for major surgery requiring mechanical ventilation for a minimum of 6 hrs were included in the study.Patients were assigned randomly to receive either dexmedetomidine (loading infusion, 6.0 microg x kg(-1) x hr(-1) for 10 mins; maintenance infusion, 0.1-0.7 microg x kg(-1) x hr(-1)) or placebo after intensive care unit admission.Sedation was guided by using the electroencephalographic parameter bispectral index, a new noninvasive method to estimate the level of sedation. We aimed at maintaining bispectral index ranges between 60 and 70 during mechanical ventilation before starting weaning, 65 and 95 during weaning, and 85 to 95 postextubation. Additional sedative and analgesic medication was given (propofol and morphine) as clinically indicated and within the previously mentioned bispectral index ranges. Patients receiving dexmedetomidine required significantly less propofol during mechanical ventilation (0.87 +/- 0.21 vs. 1.52 +/- 0.30 mg x kg(-1) x hr(-1); p <.01) and weaning (0.17 +/- 0.06 vs. 0.62 +/- 0.21 mg x kg(-1) x hr(-1); p <.001) to maintain the target bispectral index range. During study drug administration, morphine requirements for dexmedetomidine-treated patients were reduced by 58% (p =.05). Hemodynamic stability during weaning and after extubation was better maintained in patients receiving dexmedetomidine.Dexmedetomidine reduced propofol requirements and improved hemodynamic stability during bispectral index-guided intensive care unit sedation." @default.
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- W2022106209 date "2002-05-01" @default.
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- W2022106209 title "Bispectral index-guided sedation with dexmedetomidine in intensive care: A prospective, randomized, double blind, placebo-controlled phase II study*" @default.
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- W2022106209 doi "https://doi.org/10.1097/00003246-200205000-00009" @default.
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