• Vieira Carlos Ricardo R Department of Anesthesiology, Child Institute, Hospital das Clínicas, São Paulo University Medical School, São Paulo, Brazil., Luis Abramides Torres Marcelo M Department of Anesthesiology, Child Institute, Hospital das Clínicas, São Paulo University Medical School, São Paulo, Brazil., and Hans Donald de Boer.
• Department of Anesthesiology, Child Institute, Hospital das Clínicas, São Paulo University Medical School, São Paulo, Brazil.
• Paediatr Anaesth. 2018 Apr 1; 28 (4): 342-346.

BackgroundAfter reversal of a rocuronium-induced neuromuscular blockade with sugammadex, the recovery of train-of-four ratio to 0.9 is faster than recovery of first twitch of the train-of-four to 90% in adults. These findings after reversal of neuromuscular blockade with sugammadex have not yet been investigated in pediatric patients.AimsThe aim of this retrospective analysis was to investigate the relationship of the recovery of first twitch of the train-of-four height and train-of-four ratio after reversal of rocuronium-induced neuromuscular blockade with sugammadex in pediatric patients.MethodsPatients ASA I-III, aged 2-11 years, and who underwent abdominal and/or perineal surgery were included in the analysis. After extracting the necessary data from the hospital database, the patients were divided into 2 groups based on the dose of sugammadex received: group A: 2 mg.kg-1 for reversal of moderate neuromuscular blockade and group B: 4 mg.kg-1 for reversal of deep neuromuscular blockade. The relationship of the recovery of first twitch of the train-of-four height and train-of-four ratio in these 2 groups were analyzed.ResultsData from 43 pediatric patients aged 2-11 years could be analyzed. The first twitch of the train-of-four height at the recovery of train-of-four ratio to 0.9 in group B was statistically significantly lower compared with group A. This height 3 and 5 minutes after the train-of-four ratio reached 0.9 showed no statistically significant differences between groups.ConclusionThe results were in line with the results found in adults and showed that the train-of-four ratio recovered to 0.9 was faster than first twitch of the train-of-four height recovered to the same level.© 2018 John Wiley & Sons Ltd.

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