Aim: To evaluate the e,ectiveness of family-centred educational interventions on the anxiety, pain and behaviours of children and adolescents (three to 19 years old) and their parents’ anxiety during the perioperative journey. Design: Systematic review of e,ectiveness and meta-analysis. Data sources: MEDLINE, CINAHL, PsycINFO, Cochrane Central Register of Controlled Trials, SciELO and Sources of unpublished stu...