• Chathurika S Dhanasekara, Kaylee Schrader, Sheila Chandrahas, Genesy Aickareth, Sharmila Dissanaike, and John A Griswold.
• Department of Surgery, Texas Tech University Health Science Center, Lubbock, Texas, USA.
• Burns. 2022 Aug 1; 48 (5): 1246-1252.

IntroductionWe examined the interactive effects of copper (Cu) and overweight (overweight) and obesity on outcomes of burn patients. We posited that higher baseline Cu among burn patients with overweight or obesity will be associated with poor clinical outcomes vs. patients with a normal weight.MethodsA retrospective review was conducted on patients with ≥20% total burn surface area (TBSA) with an initial measurement of Cu. Patients were grouped by body mass index (BMI). The interactions between baseline Cu and BMI groups on multiple burn patient outcomes were examined in a series of multiple regression models.ResultsOne-hundred-and-sixty patients met eligibility (age 43.9 ± 17.5, males 86.3%, normal weight:overweight:obesity = 53:38:69). BMI groups did not differ significantly on demographics, burn severity, or baseline biochemistry. Normal weight patients with higher baseline Cu had shorter ICU stay (ICUS), shorter length of stay (LOS), and had fewer operations (Ps < 0.05). In contrast, overweight and obese patients with higher baseline Cu had longer ICU stay (p = 0.001 and p = 0.034), LOS (p = 0.005 and p = 0.066), and increased operations (p = 0.001 and p = 0.067).ConclusionsHigher baseline Cu seems associated with adverse outcomes in overweight and obese burn patients. Further research is needed to confirm this association and explore the direction of causality.Copyright © 2021 Elsevier Ltd and ISBI. All rights reserved.

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