• Ji Ho Lee, DongHun Lee, Byung Kook Lee, Yong Soo Cho, Dong Ki Kim, Yong Hun Jung, Seok Jin Ryu, and Eul No.
• Department of Emergency Medicine Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea.
• Ulus Travma Acil Cerrahi Derg. 2023 Jul 1; 29 (7): 752757752-757.

BackgroundThe majority of traumatic brain injury (TBI) cases result in death in the early phase; predicting short-term progno-sis of affected patients is necessary to prevent this. This study aimed to examine the association between the lactate-to-albumin ratio (LAR) on admission and outcomes in the early phase of TBI.MethodsThis retrospective observational study included patients with TBI who visited our emergency department between January 2018 and December 2020. TBI was considered as an head abbreviated injury scale (AIS) score of 3 or higher and other AIS of 2 or lower. The primary and secondary outcomes were 24-h mortality and massive transfusion (MT), respectively.ResultsIn total, 460 patients were included. The 24-h mortality was 12.6% (n=28) and MT was performed in 31 (6.7%) patients. In the multivariable analysis, LAR was associated with 24-h mortality (odds ratio [OR], 2.021; 95% confidence interval [CI], 1.301-3.139) and MT (OR, 1.898; 95% CI, 1.288-2.797). The areas under the curve of LAR for 24-h mortality and MT were 0.805 (95% CI, 0.766-0.841) and 0.735 (95% CI, 0.693-0.775), respectively.ConclusionLAR was associated with early-phase outcomes in patients with TBI, including 24-h mortality and MT. LAR may help predict these outcomes within 24 h in patients with TBI.

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