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  • Title: Caravan explosions: a case series of burns patients at the Royal Brisbane and Women's Hospital.
    Author: Swift K, Vujcich E, Matthews T, Reade MC.
    Journal: ANZ J Surg; 2021 Jan; 91(1-2):73-76. PubMed ID: 33236414.
    Abstract:
    BACKGROUND: Caravan explosions due to gas cylinder explosions or gas leaks are responsible for a small but significantly injured group of burns patients. Those involved in explosions are sometimes assumed to be at risk of primary blast wave injury; however, the likelihood of such injuries is unclear. The aim of this research was to seek evidence of primary blast injury in groups defined by clinicians as having sustained burns in explosive and non-explosive events. METHODS: This is a single-centre case series of patients with caravan-related burns from 2009 to 2019, identified using the burns data registry at the Royal Brisbane and Women's Hospital. Patients were divided into two groups based on the mechanism of injury, with injuries sustained from either a gas bottle explosion (group 1) or from gas ignition (group 2). RESULTS: Twenty-one patients were identified over the 10-year period. The explosion group suffered more extensive burns, with a median % total body surface area of 31% (23.5-43.5) and 9.5% (5-20) in group 1 and group 2, respectively (P = 0.01). There was a numerically longer median hospital and intensive care unit length of stay in group 1. In multivariable analysis, there were no statistically significant predictors of intensive care unit or hospital length of stay. None of the patients appeared to have suffered any of the expected effects of primary blast wave injury. CONCLUSION: Gas bottle explosions in caravans uncommonly, if ever, result in a blast wave of sufficient energy to cause primary blast injury.
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