RecruitingEvaluation of the "Intranasal Fentanyl" Protocol in Pediatric Surgical Emergencies at Strasbourg University HospitalEmergency trauma departments receive thousands of patients each year whose main symptom is pain. In recent years, intranasal fentanyl (FIN) has entered the therapeutic arsenal to treat pain in the emergency department. Various studies have validated its effectiveness for musculoskeletal pain as well as its tolerance and safety of use. Since then, new protocols have been implemented including this treatment. In This study, the investigators propose to retrospectively study the quality of prescription of intranasal fentanyl in the treatment of pain in the emergency department and the quality of monitoring of this treatment in current practice.