• J Clin Anesth · Aug 1997

    Randomized Controlled Trial Comparative Study Clinical Trial

    Double-blind comparison of two doses of rocuronium and succinylcholine for rapid-sequence intubation.

    • J H Weiss, I Gratz, M E Goldberg, M Afshar, F Insinga, and G Larijani.
    • Department of Anesthesiology, Cooper Hospital/University Medical Center, Camden, NJ 08103, USA.
    • J Clin Anesth. 1997 Aug 1;9(5):379-82.

    Study ObjectiveTo compare the pharmacodynamics of two commonly recommended doses of rocuronium bromide (0.7 mg/kg and 0.9 mg/kg) and succinylcholine (1.5 mg/kg) when used for rapid-sequence intubation.DesignProspective, double-blind, randomized study.SettingOperating rooms at a university hospital.Patients45 ASA physical status I and II adult patients scheduled for elective surgeries under general anesthesia.InterventionsNonpremedicated patients were anesthetized with fentanyl 2 mcg/kg followed by thiopental sodium 4 to 5 mg/kg and muscle relaxant using rapid-sequence technique. Group 1 (n = 15) received rocuronium bromide 0.7 mg/kg. Group 2 (n = 16) received rocuronium bromide 0.9 mg/kg, and Group 3 (n = 14) received succinylcholine 1.5 mg/kg. Intubation was performed 60 seconds after the administration of muscle relaxant.Measurements And Main ResultsThe case of intubation was scored using a scale of 1 to 4. Blood pressure and heart rate were measured beginning one minute before induction of anesthesia up to 5 minutes after intubation. Intubation scores were similar in groups 2 and 3 and were noted as good or excellent in all patients. Group 1 displayed a significantly lower intubation score than the other two groups; 60% were rated as poor. No significant differences in hemodynamic data were seen among the three groups.ConclusionsRocuronium bromide at a dose of 0.9 mg/kg provides intubating conditions similar to succinylcholine 1.5 mg/kg at 1 minute. Intubating conditions at 1 minute following a 0.7 mg/kg dose of rocuronium are not as good as those following a 0.9 mg/kg dose of rocuronium or a 1.5 mg/kg dose of succinylcholine.

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