• Conor Cosgrave, Megan Anakin, Phil Blyth, Louisa Baillie, and Sierra Beck.
• Emergency Department, Middlemore Hospital, Auckland, New Zealand.
• Emerg Med Australas. 2024 Dec 1; 36 (6): 891897891-897.

ObjectiveIntra-articular injection of local anaesthetic provides safe and effective analgesia for patients with shoulder dislocation. We designed a three-dimensional-printed ultrasound model of the shoulder to educate ED clinicians on use of this technique. We aimed to evaluate the impact of a 1-h training session using this model on participants' knowledge, skills and clinical practice.MethodsThis was a prospective study of the clinicians working at two EDs in New Zealand. Participants (n = 20) took part in a 1-h educational session. We tested participants' performance before the session, afterwards and at 3 months using a 10-point objective structured clinical examination. We reviewed clinical records to determine whether there was increased utilisation of this technique among ED patients before and after the training.ResultsThere was improvement in participants' OCSE performance (median pre-training score = 4.00, median 3-month post-training score = 7.00, P = 0.044) and self-reported competence and knowledge, which were sustained to the end of the study. There was increased use of intra-articular injection among ED patients with shoulder dislocation: 2 of 68 patients (3%) before and 11 of 76 patients (14.5%) after the study. Notably, most were performed by clinicians who did not take part in the study (n = 9).ConclusionA 1-h training session using a three-dimensional-printed model improved participants objective structured clinical examination performance in ultrasound-guided injection of the shoulder joint. Although there was minimal change in the practice of participating clinicians, overall use of the procedure increased.© 2024 Australasian College for Emergency Medicine.

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