• Juan P Boriosi, Michael R Lasarev, Megan E Peters, Peter Ferrazzano, and Gregory A Hollman.
• Department of Pediatrics, University of Wisconsin, Madison, Wisconsin, USA.
• Paediatr Anaesth. 2022 May 1; 32 (5): 665-672.

BackgroundPediatric sedation is a clinical activity with potential for serious but rare airway adverse events, particularly laryngospasm. Anticholinergic drugs, atropine and glycopyrrolate, are frequently used with the intention to improve sedation safety by virtue of their antisialagogue effects.AimsThe objective of this study is to describe the current practice of anticholinergic use in pediatric sedation and to compare the frequency of serious sedation-related adverse events in patients who received anticholinergics to those who did not.MethodsWe examined prospectively collected data from the Pediatric Sedation Research Consortium database. Patient characteristics, procedure type, sedation provider, sedatives, location of sedation, anticholinergic administered, adverse events, and airway interventions were reported. Propensity score matching and multivariable logistic regression were used to test whether any association exists between anticholinergic use and serious sedation-related adverse events.ResultsAnticholinergics were administered in 7.1% (n = 18 707) of all cases (n = 263 883) reported between November 2011 and October 2017. When anticholinergics were used, atropine was used in 22% (n = 4111) and glycopyrrolate in 78.1% (n = 14 601) of sedations. Use of anticholinergics was more common in patients with well-described risk factors for airway adverse events: active/history of upper respiratory infection, history of reactive airway disease/asthma, and exposure to smoke. However, infants and ASA 3 patients were not associated with higher rate of anticholinergic use. Anticholinergic use was independently associated with an increase in the odds of serious adverse events, OR 1.8 (95% CI 1.6-2.1), especially airway adverse events.ConclusionsIn this large Pediatric Sedation Research Consortium study, we found the use of anticholinergic adjuvants independently associated with greater odds of serious adverse events, especially airway adverse events, after adjusting for well-known sedation risk factors using propensity score matching and multivariate analysis.© 2022 John Wiley & Sons Ltd.

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