• Jamie Ranse, Shane Lenson, Toby Keene, Matt Luther, Brandon Burke, Alison Hutton, Amy Nb Johnston, and Julia Crilly.
• Menzies Health Institute Queensland, Griffith University, Gold Coast, Queensland, Australia.
• Emerg Med Australas. 2019 Jun 1; 31 (3): 423-428.

ObjectiveThe aim of this study was to describe the in-event, ambulance and ED impacts of patient presentations from an Australian mass gathering event (MGE) including patient demographics, provision of care, length of stay and discharge disposition.MethodsThis research was set at one MGE in Australia. The MGE had one first aid post and one in-event health team staffed by doctors, nurses and paramedics. A retrospective analysis of patient care records from providers of in-event, ambulance and ED services was undertaken. Data analysis included descriptive and inferential statistics.ResultsOf the 20 000 MGE participants, 197 (0.99% [95% CI 0.86-1.13], 9.85/1000) presented for in-event first aid care, with 24/197 (12.2% [95% CI 8.33-17.49], 1.2/1000) referred to in-event health professionals. Fifteen of the referred patients (62.5% [95% CI 42.71-78.84]) returned to the MGE following administration of intravenous fluids (n = 13) and/or anti-emetics (n = 11). Seven (29.2% [95% CI 14.92-49.17], 0.35/1000) were referred to ambulance paramedic care, requiring endotracheal intubation (n = 1) and airway adjuncts (n = 3) prior to transportation to ED; these patients had an ED median length of stay of 7 h (5.5-12.5) receiving imaging and ventilator support. Five were discharged from ED, one required an operation and another required intensive care unit admission.ConclusionsThere was an impact on in-event, ambulance and ED services from this MGE but the in-event model of care may have limited ambulance usage and ED visits. The ED length of stay was greater than the national median, perhaps reflecting the appropriateness of transport and nature of care requirements while in the ED.© 2018 Australasian College for Emergency Medicine.

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