並列タイトル等ドロペリドールは経頭蓋電気刺激運動誘発電位振幅を抑制する : 後ろ向き研究
一般注記Purpose Low-dose droperidol has been widely used as an antiemetic during and after surgery. Although high-dose droperidol affects motor-evoked potential, the effects of low-dose droperidol on motor-evoked potential amplitude are unclear. The aim of this study was to investigate whether low-dose droperidol affects motor-evoked potential amplitude. Methods We retrospectively reviewed the data of patients who underwent spine surgery under general anesthesia with motor-evoked potential monitoring from February 2016 to February 2017. The outcome was the motor-evoked potential amplitude of the bilateral abductor pollicis brevis muscle, tibialis anterior muscle, and abductor hallucis muscle within 1 and 1–2 hours after droperidol administration, compared with the baseline motor-evoked potential value. Results Thirty-four patients were analyzed. The median dose of droperidol was 21 µg/kg. The motor-evoked potential amplitudes of all muscles were significantly reduced after droperidol administration and recovered to baseline values within 2 hours. The reduction of all motor-evoked potential amplitudes after droperidol administration was 37–45% of baseline values. There were no significant differences in other drugs administered. There were no serious adverse effects of droperidol administration. Conclusion Motor-evoked potential amplitude was suppressed by low-dose droperidol. During intraoperative motor-evoked potential monitoring in spine surgery, anesthesiologists should pay careful attention to the timing of administration of droperidol, even at low doses. Based on the results of this study, we are conducting a randomized controlled trial.
Journal of Clinical Monitoring and Computing. 2021, 35(1), 175–181.
新大院博(医)第1003号
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受理日（W3CDTF）2022-05-09T11:57:37+09:00
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