• Jing Jiao, Shaoqiang Huang, Yingjie Chen, Hailian Liu, and Yi Xie.
• Department of Anesthesiology, Shanghai Obstetrics and Gynecology Hospital, Fudan University Shanghai, P.R. China.
• Int J Clin Exp Med. 2014 Jan 1;7(2):393-9.

BackgroundMany scholars are seeking for an anesthesia induction regimen to meet the requirements of both intubation and instant recovery of spontaneous breathing in case of "cannot intubate, cannot ventilate" to prevent severe consequences. This study aims to investigate whether the combination use of remifentanil 1 μg/kg and small dose of succinylcholine (0.6 mg/kg) is superior to single use of remifentanil 1.5 μg/kg in improving intubation conditions and shortening apnea time under anesthesia induction with propofol.MethodsSixty patients undergoing selective gynecological laparoscopic operation under general anesthesia were included into the prospective randomized controlled trial. After sufficient preoxygenation, all patients received propofol for anesthesia induction, and patients in group S were managed with remifentanil 1 μg/kg and succinylcholine 0.6 mg/kg, while those in group C were treated with remifentanil 1.5 μg/kg and normal saline. Tracheal intubation was conducted 60 s later, and mechanical ventilation was not performed until spontaneous breathing emerged. The intubation conditions were evaluated, and the apnea time between induction and breathing recovery was recorded.ResultsOne patient (3.70%) in group S was graded as poor in intubation conditions, which was significantly fewer than 12 patients in group C (P<0.001). There was no significant difference in apnea time between two groups (245.50 ± 53.71 vs 251.12 ± 70.71, P=0.750). No patient experienced hypoxic event with SpO2<90% before recovery of spontaneous breathing.ConclusionsCompared with single use of remifentanil 1.5 μg/kg, the combination use of remifentanil 1 μg/kg and succinylcholine 0.6 mg/kg may offer better intubation conditions and may not prolong apnea time under anesthesia induction with propofol 2 mg/kg.

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