• H H Kim, J H Kim, C-Y Park, and H M Cho.
• Department of Trauma Surgery, Pusan National University Hospital, 179 Gudeok-Ro, Seo-Gu, Busan, 602-739, Korea, gskhh@naver.com.
• Eur J Trauma Emerg Surg. 2015 Aug 1; 41 (4): 375-85.

PurposeThe aim of this study was to examine prognostic factors in polytraumatic patients with liver injury and to develop a scoring system for traumatic liver injury (SSTLI) to predict mortality.MethodsThe medical records of 175 patients treated for traumatic liver injury from July 2009 to April 2013 were reviewed. The primary outcome variable was hospital mortality. All risk factors were analyzed by multivariate logistic regression analysis. The SSTLI was created based on the predictive power of each factor.ResultsAge, injury severity score (ISS), trauma and injury severity score, the shock index, and the volume of packed red blood cells transfused were strong predictors of mortality. We hypothesized that the SSTLI would use five clinical measures (total bilirubin, prothrombin time, serum creatinine, age, and ISS). Each measure was scored 0-1 (age and ISS) or 0-3 (total bilirubin, prothrombin time, and creatinine), with 3 indicating the most severe derangement. The receiver-operating characteristic curve of the SSTLI was significant at post-traumatic days 0, 1, 3, and 5 [area under the curve (AUC), 0.830; AUC, 0.912; AUC, 0.941; and AUC, 0.930, respectively]. A value of 5 points was the threshold for reliability dividing low-risk (<5) from high-risk (≥5) patients.ConclusionsThe SSTLI may be available to predict mortality in polytraumatic patients with liver injury, although external validation is needed before widespread implementation.

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