Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia

Objective This study was performed to determine the effect of the remifentanil dose on the onset time of rocuronium with electromyography. Methods This retrospective comparative study included 75 patients undergoing general anesthesia for elective surgery. Patients received lidocaine (40 mg) and pro...

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Main Authors: So Young Kwon, Si Wook Chung, Jin Deok Joo
Format: Article
Language:English
Published: SAGE Publishing 2018-08-01
Series:Journal of International Medical Research
Online Access:https://doi.org/10.1177/0300060518772227
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author So Young Kwon
Si Wook Chung
Jin Deok Joo
author_facet So Young Kwon
Si Wook Chung
Jin Deok Joo
author_sort So Young Kwon
collection DOAJ
description Objective This study was performed to determine the effect of the remifentanil dose on the onset time of rocuronium with electromyography. Methods This retrospective comparative study included 75 patients undergoing general anesthesia for elective surgery. Patients received lidocaine (40 mg) and propofol (2 mg/kg) followed by rocuronium (0.6 mg/kg) with either saline infusion (Group S), remifentanil at 0.5 µg/kg/minute (Group R 0.5), or remifentanil at 1.0 µg/kg/minute (Group R 1.0). Neuromuscular block was monitored by train-of-four (TOF) electromyography, and the times taken to reach TOF 0 and TOF ratio (TOFR) 25% were recorded. Results The times taken to reach TOF 0 and TOFR 25% were significantly higher in Groups R 0.5 and R 1.0 than in Group S. The time taken to reach TOF 0 was 130.0 ± 6.4 s in Group S, 142.6 ± 6.0 s in Group R 0.5, and 183.0 ± 11.6 s in Group R 1.0. The time taken to reach TOFR 25% was also higher in Groups R 0.5 and R 1.0 than in Group S. Conclusions As the remifentanil dose increases, the intubation time required to reach TOF 0 also increases. Remifentanil has an effect on the onset of rocuronium.
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spelling doaj.art-048708d058cf49398a70c288ee9359bc2022-12-21T22:40:50ZengSAGE PublishingJournal of International Medical Research0300-06051473-23002018-08-014610.1177/0300060518772227Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesiaSo Young KwonSi Wook ChungJin Deok JooObjective This study was performed to determine the effect of the remifentanil dose on the onset time of rocuronium with electromyography. Methods This retrospective comparative study included 75 patients undergoing general anesthesia for elective surgery. Patients received lidocaine (40 mg) and propofol (2 mg/kg) followed by rocuronium (0.6 mg/kg) with either saline infusion (Group S), remifentanil at 0.5 µg/kg/minute (Group R 0.5), or remifentanil at 1.0 µg/kg/minute (Group R 1.0). Neuromuscular block was monitored by train-of-four (TOF) electromyography, and the times taken to reach TOF 0 and TOF ratio (TOFR) 25% were recorded. Results The times taken to reach TOF 0 and TOFR 25% were significantly higher in Groups R 0.5 and R 1.0 than in Group S. The time taken to reach TOF 0 was 130.0 ± 6.4 s in Group S, 142.6 ± 6.0 s in Group R 0.5, and 183.0 ± 11.6 s in Group R 1.0. The time taken to reach TOFR 25% was also higher in Groups R 0.5 and R 1.0 than in Group S. Conclusions As the remifentanil dose increases, the intubation time required to reach TOF 0 also increases. Remifentanil has an effect on the onset of rocuronium.https://doi.org/10.1177/0300060518772227
spellingShingle So Young Kwon
Si Wook Chung
Jin Deok Joo
Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
Journal of International Medical Research
title Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
title_full Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
title_fullStr Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
title_full_unstemmed Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
title_short Optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
title_sort optimal neuromuscular blocking effects of remifentanil during tracheal intubation under general anesthesia
url https://doi.org/10.1177/0300060518772227
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