• Michal Frelich, Peter Sklienka, Tereza Romanová, Simona Němcová, Markéta Bílená, Hana Straková, Karolína Lečbychová, Ondřej Jor, Martin Formánek, and Filip Burša.
• Department of Anesthesiology and Intensive Care Medicine, University Hospital of Ostrava, 17.listopadu 1790, Ostrava, 708 52, Czech Republic.
• BMC Anesthesiol. 2024 Jul 9; 24 (1): 228228.

BackgroundPostoperative nausea and vomiting (PONV) is a significant problem following paediatric surgery, and volatile anaesthetics are an important cause of this phenomenon. BIS-guided anaesthesia, by reducing the consumption of anaesthetics, leads to a decrease in PONV in adult patients.Study ObjectiveEvaluate the role of BIS-guided anaesthesia in reducing the incidence of paediatric PONV.DesignProspective, randomized, double-blind study.SettingA single center study in university hospital in Czech republic, from June 2021 to November 2022.PatientsA total of 163 children, aged 3-8 years with ASA I-II who underwent endoscopic adenoidectomy under general anaesthesia were included.InterventionsIn the intervention group, the depth of anaesthesia was maintained to values between 40 and 60 of BIS.Main Outcome MeasureThe primary outcome was the incidence of postoperative nausea and vomiting during 24 h after surgery.ResultsThe use of BIS-guided anaesthesia led to a significant decrease in the incidence of nausea and vomiting compared to the control group [17% vs. 53%; RR (95%CI) 0.48 (0.27-0.86); p < 0.001and 16% vs. 34%; RR (95%CI) 0.33 (0.20-0.54); p = 0.01, respectively].ConclusionsBIS-guided anaesthesia decreases the incidence of postoperative nausea and vomiting in children undergoing adenoidectomy.Trial RegistrationClinicaltrials.gov identifier: NCT04466579.© 2024. The Author(s).

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