• James D Morse, Jacqueline Hannam, and Brian J Anderson.
• Department of Pharmacology & Clinical Pharmacology.
• Curr Opin Anaesthesiol. 2019 Jun 1; 32 (3): 353-362.

Purpose Of ReviewPharmacokinetic-pharmacodynamic (PKPD) population modelling has advanced adult anaesthesia. Current literature was reviewed to discern use of this analytic technique for benefit in the perioperative management of children.Recent FindingsVariability in drug response, selection of a dose that achieves a desired target concentration and optimizing sampling protocols for further studies are all facets of paediatric anaesthesia that have benefitted from modelling approaches. PKPD models have driven the maintenance dose rate in target-controlled infusion pumps used for total intravenous anaesthesia. Although many of the models used in these pumps were developed in adults, translation for paediatric use has followed, including subgroups, such as neonates and obese children. The use of drug effect measures (e.g. bispectral index) has improved the predictive performance of pharmacodynamic models. Simulation studies have facilitated an increase in safety by quantifying drug variability, and identifying where possible adverse drug events may occur.SummaryModelling and simulation continue to have an important role optimizing drug use during anaesthesia. Models incorporating influential covariates that better describe drug pharmacokinetics and pharmacodynamics improve anaesthetic treatments and safety in diverse populations and clarify drug role and impact. Their use developing paediatric clinical studies improves trial conduct, often with fewer subjects required for study.

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