• Yasuaki Kumakawa, Yutaka Kondo, Yohei Hirano, Koichiro Sueyoshi, Hiroshi Tanaka, and Ken Okamoto.
• Department of Emergency and Critical Care Medicine, Juntendo University Urayasu Hospital, Japan.
• Burns. 2024 Sep 1; 50 (7): 171917251719-1725.

IntroductionPatients with combined burns and trauma are often seen in the United States. The combination of trauma with burns increases mortality. In contrast, the characteristics and outcomes of these cases remain unknown in Japan. This study investigated the characteristics and outcomes of trauma associated with burns in Japan.MethodsThis multicenter retrospective cohort study was conducted by utilizing data from the Japan Trauma Data Bank for the period between 2004 and 2017. We evaluated the characteristics of burn patients (n = 5783) divided into two groups: burns only (n = 5537) and combined burns and trauma (n = 246). Clinical characteristics, including patient background, severity of trauma, injury mechanism, total body surface area affected, injury location, treatments, and clinical outcomes, were examined.ResultsMost patients in both the groups were injured by flames. The number proportion of patients with 40-89% of the total body surface area affected was 1069/5537 (19.3%) in the burn-only group and 23/246 (9.3%) in the combined burn and trauma group. The in-hospital mortality was 1006/5537 (18.2%) in the burn-only group and 17/246 (6.9%) in the combined burn and trauma group.ConclusionsWe demonstrated the characteristics of Japanese patients with burns only compared with those with combined burns and trauma. Flames were the main cause of burns, and in-hospital mortality was lower in the combined burn and trauma group associated with a smaller burn area.Copyright © 2024 Elsevier Ltd and International Society of Burns Injuries. All rights reserved.

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