• Sandrine Touzet, Karine Buchet-Poyau, Angélique Denis, Pauline Occelli, Laurent Jacquin, Véronique Potinet, Alain Sigal, Marine Delaroche-Gaudin, Florence Fayard-Gonon, Karim Tazarourte, and Marion Douplat.
• Hospices Civils de Lyon, Pôle de Santé Publique.
• Eur J Emerg Med. 2024 Jun 1; 31 (3): 201207201-207.

Background And ImportanceSeveral studies reported that violent behaviours were committed by patients against healthcare professionals in emergency departments (EDs). The presence of mediators could prevent or resolve situations of tension.ObjectiveTo evaluate whether the presence of mediators in EDs would have an impact on violent behaviours committed by patients or their relatives against healthcare professionals. Design, settings and participants A 6-period cluster randomised crossover trial was performed in 4 EDs during 12 months. Patients aged ≥18 and their relatives were included.InterventionIn order to prevent or resolve situations of tension and conflict, four mediators were recruited.Outcome measure and analysis Using a logistic regression mixed model, the rate of ED visits in which at least one act of violence was committed by a patient or their relatives, reported by healthcare professionals, was compared between the intervention group and the control group.ResultsA total of 50 429 ED visits were performed in the mediator intervention group and 50 851 in the control group. The mediators reported 1365 interventions; >50% of the interventions were to answer questions about clinical management or waiting time. In the intervention group, 173 acts of violence were committed during 129 ED visits, and there were 145 acts of violence committed during 106 ED visits in the control group. The rate of ED visits in which at least one act of violence was committed, was 0.26% in the intervention group and 0.21% in the control group (OR = 1.23; 95% CI [0.73-2.09]); on a 4-level seriousness scale, 41.6% of the acts of violence were rated level-1 (acts of incivility or rudeness) in the intervention group and 40.0% in the control group.ConclusionThe presence of mediators in the ED was not associated with a reduction in violent or uncivil behaviours committed by patients or their relatives. However, the study highlighted that patients had a major need for information regarding their care; improving communication between patients and healthcare professionals might reduce the violence in EDs.Trial RegistrationClinicaltrials.gov (NCT03139110).Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.

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