• Rebecca S Isserman, Ian Yuan, Elizabeth M Elliott, Wallis T Muhly, Rajeev S Iyer, Heather A Farrell, Domonique A Varallo, Georgia Georgostathi, Adam G Richter, Jennifer Stiso, Fuchiang Rich Tsui, and Jeffrey M Feldman.
• Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Pennsylvania, Philadelphia, USA.
• Paediatr Anaesth. 2023 Sep 1; 33 (9): 728735728-735.

BackgroundInhalational anesthetic agents are potent greenhouse gases with global warming potential that far exceed that of carbon dioxide. Traditionally, pediatric inhalation inductions are achieved with a volatile anesthetic delivered to the patient in oxygen and nitrous oxide at high fresh gas flows. While contemporary volatile anesthetics and anesthesia machines allow for a more environmentally conscious induction, practice has not changed. We aimed to reduce the environmental impact of our inhalation inductions by decreasing the use of nitrous oxide and fresh gas flows.MethodsThrough a series of four plan-do-study-act cycles, the improvement team used content experts to demonstrate the environmental impact of the current inductions and to provide practical ways to reduce this, by focusing on nitrous oxide use and fresh gas flows, with visual reminders introduced at point of delivery. The primary measures were the percentage of inhalation inductions that used nitrous oxide and the maximum fresh gas flows/kg during the induction period. Statistical process control charts were used to measure improvement over time.Results33 285 inhalation inductions were included over a 20-month period. nitrous oxide use decreased from 80% to <20% and maximum fresh gas flows/kg decreased from a rate of 0.53 L/min/kg to 0.38 L/min/kg, an overall reduction of 28%. Reduction in fresh gas flows was greatest in the lightest weight groups. Induction times and behaviors remained unchanged over the duration of this project.ConclusionsOur quality improvement group decreased the environmental impact of inhalation inductions and created cultural change within our department to sustain change and foster the pursuit of future environmental efforts.© 2023 John Wiley & Sons Ltd.

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