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Comparative study of inj. Rocuronium with priming dose and inj. Rocuronium without priming with respect to onset, time of intubation and intubating conditions in patients undergoing general anaesthesia

Abstract: Background: Rocuronium is fastest among non-depolarizing muscle relaxants ,but still it produces appropriate intubating conditions comparable to succinylcholine, in >90 seconds on administering 2 × ED95 dose as a bolus dose. In present study we compared the effect of inj. Rocuronium with priming dose and inj. Rocuronium without priming on intubating conditions and onset time of intubation with respect to rocuronium as bolus. Material and Methods: Present study was single-center, prospective, randomized study, conducted in patients of age groups from 18-60 years of either sex , 40-60 kgs weight, ASA grades I and II, undergoing surgeries under general anaesthesia and given valid written consent for participation. The patients were randomly allocated into 2 groups of 30 patients each as Group C (control group) and Group P (priming group). Results: Overall, 60 patients were studied in age group of 18 to 60 years, 30 patients in each group C and group P. we compared mean age, weight, gender and ASA grade between group C and group P and difference was statistically not significant (p value >0.05). We compared mean HR, mean MAP and mean SPO2 preoperatively baseline, at induction, at intubation, mean HR at 1 minute after intubation and mean HR at 5 minute after intubation between group C and group P, the difference between two groups was statistically insignificant. (P value >.05) In group C, out of 30 patients ,17 patients were having score 9 while 12 patients were having score 8, while 1 patient had score 7 which was comparable with the group P in which out of 30 patients ,18 were having score 9,while 11 patients were having score 8 and 1 patient was of score 7,so in both groups most of the patients (96.67% in each group) had excellent intubating condition, and the groups were comparable as statistically no significant difference was noted. In group C mean Onset Time of Intubation was 92.33± 6.26 seconds, while in group P it was 56± 6.75 seconds, so the difference between the groups on the basis of OTI was statistically highly significant. (P value 0.0001) Conclusion: Rocuronium with priming would be an excellent alternative to succinylcholine, whenever fast induction will be needed. Intubating conditions were good to excellent and comparable in both rocuronium with priming and without priming. NMT monitoring is a useful tool for indicating the clinically acceptable paralysis.
Keywords: priming / Rocuronium / score / time of intubation / intubating conditions / onset / inj / succinylcholine

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