• Injury · May 2023

    Outcomes of the overweight and obese major trauma patient in the rural setting.

    • Rachel Colbran, Alice Nicol, Simone Mangan, Nestor Sabat, and Francois Pretorius.
    • Mackay Base Hospital, Mackay, Queensland, Australia; University of Queensland, Brisbane, Queensland, Australia. Electronic address: rachel.colbran@health.qld.gov.au.
    • Injury. 2023 May 1; 54 (5): 136913731369-1373.

    PurposeOverweight and obese patients are more prevalent in rural and remote areas and are of major public health concern in Australia. We aimed to evaluate the mortality and morbidity of overweight and obese trauma patients in the rural Australian context.MethodThis was a retrospective cohort study on 207 major trauma patients (injury severity score [ISS] > 12) treated at the Mackay Base Hospital between 2018 and 2021. Data was extracted from the Mackay Base Hospital trauma database and hospital records. Outcomes were compared between body mass index (BMI) groups.ResultsThere were 164 males (79%) and 43 females (21%). The average BMI was 27.09 (standard deviation 5.46). 7 patients (3%) were in the underweight category (BMI < 18.5 kg/m2), 70 (34%) were of normal weight (BMI 18.5-24.9 kg/m2), 79 (38%) were overweight (BMI 25-29.9 kg/m2), and 51 (25%) were obese (BMI > 30 kg/m2). The majority of trauma was blunt (n = 203, 98%). Compared to patients with normal BMI, obese patients were significantly more likely to require intubation, intensive care unit (ICU) admission, and have a longer ICU stay. There were no significant differences in requirement for surgery, duration of surgery, hospital length of stay, ventilator time, or mortality (P > 0.05). However, subgroup analysis of the obese patient group showed an increased rate of complications (sepsis, acute kidney injury, fluid overload and pneumonia), longer ventilation times, hospital and ICU length of stay with increasing BMI in these patients.ConclusionThe majority of trauma presentations in our regional community are in overweight or obese patients. Overweight and obese patients are more likely to require intubation and have a longer intensive care unit admission than normal weight counterparts. Amongst obese patients, those with BMI > 40 (obesity class 3) are at significantly increased risk of complications.Copyright © 2023. Published by Elsevier Ltd.

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