• David Braham, Daniel W S Adams, and Richard Johnson.
• Central Australian Retrieval Service, Alice Springs Hospital, Alice Springs, Northern Territory, Australia.
• Emerg Med Australas. 2024 Sep 4.

Objectives'Dirty adrenaline' is the informal term used for a rapidly made peripheral dilute adrenaline infusion in the emergency treatment of shock, most commonly 1 mg adrenaline in 1 L 0.9% NaCl. It has long been part of the remote clinician's arsenal despite no supporting scientific literature. Remote clinics in Central Australia can be hours away from critical care support. The region's high prevalence of renal and cardiac disease means that access to early vasopressors and inotropes is a necessity for treating shock. To tackle this, remote clinicians often use 'dirty adrenaline'. We present a review of 'dirty adrenaline' use in this region.MethodsCentral Australian Retrieval Service's database was screened to identify cases in which a peripheral dilute adrenaline infusion was administered in a remote clinic prior to patient aeromedical retrieval. A retrospective chart review collected: patient demographics; clinical characteristics; infusion details; adverse events; hospital lengths of stay; and mortality outcomes.ResultsFifty-seven cases were identified. Median patient age was 50 (range: 2-96). Septic shock was the most common clinical indication (40/57). Median infusion duration was 155 min. Median systolic BP from commencement until retrieval increased from 75.5 to 91 mmHg. Survival to hospital discharge was 86% (49/57). No significant adverse events associated with 'dirty adrenaline' were recorded.Conclusion'Dirty adrenaline' is safe to administer and appears to considerably improve survival when used to treat fluid-resistant shock in remote nurse-led clinics guided by an off-site critical care physician.© 2024 The Author(s). Emergency Medicine Australasia published by John Wiley & Sons Australia, Ltd on behalf of Australasian College for Emergency Medicine.

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