A comparative study between 1 and 2 effective doses of rocuronium for intraoperative neuromonitoring during thyroid surgery

I. Cheng Lu, Cheng Jing Tsai, Che Wei Wu, Kwang I. Cheng, Fu Yuan Wang, Kuang Yi Tseng, Feng Yu Chiang

研究成果: Article同行評審

29 引文 斯高帕斯(Scopus)

摘要

Background: The goal of this study was to explore an ideal application of rocuronium to enable adequate muscle relaxation for intubation without significantly affecting the evoked potentials measured by intraoperative neuromonitoring during thyroid surgery. Methods: A total of 80 patients were randomized to receive 1 (group 1, n = 40) or 2 (group 2, n = 40) effective doses (ED95) of rocuronium to facilitate electromyographic (EMG) endotracheal tube insertion. Evoked potentials were obtained every 5 minutes by stimulating the vagus nerve between the time period of 30 and 70 minutes after administration of rocuronium. The magnitude of evoked potentials at each time point and the tracheal intubating conditions were compared between groups. Accelerometry (twitch [% TW]) was used to monitor the quantitative degree of neuromuscular transmission at the adductor pollicis muscle. Results: At 30 minutes after administration of rocuronium, the rate of positive EMG response was 100% (40/40) in group 1 and 53% (21/40) in group 2 (P < .001). Positive EMG signals were obtained for all patients in group 2 until 55 minutes after administration of rocuronium. The mean amplitude detected from the time point of 30 to 60 minutes was greater in group 1 than in group 2 (P < .01). The time to tracheal intubation was 208 ± 59 seconds in group 1 and 114 ± 26 seconds in group 2 (P < .001). The overall intubating conditions were better in group 2 than in group 1 patients (P < .001). Conclusion: A total of 1 ED95 of rocuronium (0.3 mg/kg) is an optimal dose for intraoperative neuromonitoring during thyroid surgery. Positive and high EMG signals were obtained in all patients at an early stage of operation, and satisfactory intubating conditions were achieved in most patients.

原文English
頁(從 - 到)543-548
頁數6
期刊Surgery
149
發行號4
DOIs
出版狀態Published - 2011 四月

All Science Journal Classification (ASJC) codes

  • 手術

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