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- Linda Mai, Glenn Boardman, Kieran Robinson, Dale W Edgar, and Fiona M Wood.
- State Adult Burn Unit, Fiona Stanley Hospital, Murdoch, Western Australia, Australia; Anaesthesia Department, Queen Elizabeth II Jubilee Hospital, Coopers Plains, Australia; Fiona Wood Foundation, Perth, WA, Australia.
- Burns. 2024 Aug 1; 50 (6): 153615431536-1543.
BackgroundThe hypermetabolic response after a burn predisposes patients to hypothermia due to dysfunction of thermoregulation. Traditionally, hypothermia is avoided actively in burn care due to reported complications associated with low body temperature. The likelihood of hypothermia with acute burn surgery is compounded by general anesthesia, exposure of wound areas and prolonged operation times. However, we find limited studies exploring the effects of perioperative hypothermia on length of stay in the adult burn population.ObjectiveTo determine associations between postoperative hypothermia and hospital length of stay in adult burns patients.MethodThis retrospective cohort study involved patients admitted to the State Adult Burn Unit in Western Australia between 1st January 2015 to 28th February 2021. All adults who underwent surgery for acute burn, and had postoperative recovery room body temperature recorded, were included in the study. In this study, we defined normothermia as >36.5C and hypothermia as < 36.0 °C with mild, moderate, and severe hypothermia being 35.0-35.9 °C, 34.0-34.9 °C and < 34.0 °C, respectively. Patients with hyperthermia were excluded. Multivariable general linear models explored if hypothermia was independently associated with length of stay.ResultsAmong 1486 adult patients, 1338 (90%) were normothermic postoperatively, with temperatures >36.0C. We included 148 (10%) patients with hypothermia (temperature <36.0 °C) postoperatively. Most burns in the study population were minor: 96% had burns < 15% TBSA. Data modelling demonstrated that hypothermia was associated with a shorter length of hospital stay (coefficient = -0.129, p = 0.041).ConclusionIn adult acute burn patients, postoperative hypothermia was associated with reduced length of stay after surgery. The positive results of this study indicate that a review of the core temperature targets with acute burn surgery, and timing of burn patient cooling practices in general is warranted.Copyright © 2024. Published by Elsevier Ltd.
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