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Year : 2022  |  Volume : 9  |  Issue : 4  |  Page : 259-267

Comparison of rapid intubating conditions between rocuronium and cisatracurium: a randomized double-blind study

Department of Anaesthesiology, Goa Medical College, Bambolim, Goa, India

Correspondence Address:
MD, DNB Rohini Bhat Pai
Department of Anaesthesiology, Goa Medical College, Bambolim 403202, Goa
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/roaic.roaic_1_22

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Background and aims Cisatracurium has many advantages over other nondepolarizing muscle relaxants; however, for rapid intubation, rocuronium is the preferred drug in lieu of succinylcholine. The aim of this study was to compare the onset time and intubating conditions at 90 s using 0.3 mg/kg cisatracurium (6× ED95) versus 1.2 mg/kg rocuronium (4× ED95). Material and methods The study was conducted at a tertiary care hospital as a randomized double-blind prospective study after obtaining the ethical committee clearance. A total of 60 patients were randomly assigned to receive 1.2 mg/kg rocuronium (4× ED95) or 0.3 mg/kg cisatracurium (6× ED95) after premedication with fentanyl-midazolam and induction with propofol-sevoflurane. Laryngoscopy and intubation were done at 90 s. Primary outcomes assessed were laryngoscopy and intubation conditions and onset times. The Student t test was used to compare prospective, repeated measures. χ2 test was used to test the significance of difference for qualitative variables. Results The onset of action of the muscle relaxant was predicted by measuring train-of-four ratio and was found to be significantly longer in the cisatracurium group (149.50±25.064 s) than in the rocuronium group (101±s) (P<0.05). Although the intubating conditions were better in the rocuronium group, cisatracurium also provided good to excellent intubation conditions at 90 s. Conclusion Cisatracurium can be used to intubate the trachea at 90 s at a dose of 0.3 mg/kg in patients premedicated with fentanyl-midazolam and induced with propofol-sevoflurane, while maintaining hemodynamic stability, without increasing the incidence of adverse effects.

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