• TaeHyung Han, HyeongSeok Kim, JiYoung Bae, KwangMin Kim, and J A Jeevendra Martyn.
• Department of Anesthesiology and Pain Medicine, Hangang Sacred Heart Hospital, Hallym University School of Medicine, 94-200 Yongdungpo-Dong, Yongdungpo-Ku, Seoul, Korea 150-719. athan@unitel.co.kr
• Anesth. Analg. 2004 Aug 1;99(2):386-92, table of contents.

AbstractRocuronium, which has a short onset time and is free of hyperkalemic effects, could be considered for rapid-sequence induction of anesthesia in patients with burns. In this study, we assessed the neuromuscular pharmacodynamics of rocuronium in patients with major burns. Adults aged 18-59 yr who had a major burn injury (n = 56) and a control group of 44 nonburned patients were included. Rocuronium was used at 3 times (0.9 mg/kg) or 4 times (1.2 mg/kg) the 95% effective dose. Anesthesia consisted of propofol and fentanyl with nitrous oxide and oxygen. Neuromuscular block was monitored with an acceleromyograph by using train-of-four stimulation. The onset time to 95% neuromuscular block was prolonged in burned compared with nonburned patients (115 +/- 58 s versus 68 +/- 16 s for 0.9 mg/kg; 86 +/- 20 s versus 57 +/- 11 s for 1.2 mg/kg). Dose escalation shortened the onset time, prolonged the duration of action, and improved intubating conditions in burned patients. All recovery profiles were significantly shorter in burned versus nonburned groups with both doses. Resistance to the neuromuscular effects of rocuronium was partially overcome by increasing the dose. A dose up to 1.2 mg/kg provides good tracheal intubating conditions after major burns.

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