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Interventions to optimise preoperative fasting in paediatrics: a scoping review. BACKGROUND: Preoperative fasting is the standard of care for patients undergoing a procedure under general anaesthesia. Despite the increased leniency of fasting guideline recommendations, prolonged preoperative fasting periods continue to disproportionally affect paediatric patients. This review maps existing interventions optimising paediatric fasting practices, to explore strategies that can be best applied in clinical practice. METHODS: A search strategy applied to PubMed, CINAHL, Embase, Scopus, and the Cochrane Database involved four key concepts: (1) fasting, (2) preoperative, (3) paediatric, and (4) quality improvement intervention. The Preferred Reporting Items of Systematic Reviews and Meta-analyses extension for Scoping Reviews was utilised in this review. RESULTS: Thirteen heterogeneous studies, involving approximately 31 000 children across five continents, were included. Each intervention studied fell into at least one of the following six themes: (1) change in facility protocol, (2) technology-based intervention, (3) individualised fasting programs, (4) processes to improve communication between clinicians, (5) processes to improve communication to parents and families, and (6) staff education. CONCLUSIONS: A variety of interventions have been studied to optimise paediatric preoperative fasting duration. These interventions show potential in reducing preoperative fasting duration.