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Predictive value of liver transaminases levels in abdominal trauma

Published:April 07, 2014DOI:https://doi.org/10.1016/j.ajem.2014.03.052

      Abstract

      Introduction

      We aimed to evaluate whether hepatic transaminase levels could predict the presence and severity of liver injury following abdominal trauma.

      Methods

      We performed a retrospective analysis of 75 surgically treated patients and 21 non-surgically treated patients with liver injury who were managed between 2004 and 2012. We retrieved demographic, laboratory, radiologic, and intraoperative data, as well as surgical procedures and the outcome from the patients’ medical records. We compared the findings between patients divided into 2 groups according to the severity of liver injury: group 1, including patients with Grade 1 or 2 liver injuries; and group 2, including patients with grade 3 to 5 liver injury.

      Results

      There were 87 (90.6%) males and 9 (9.4%) females. The mean age was 34 years (range, 17-90 years). The overall mortality rate was 14.6% (n = 14). The injury was blunt in 83 patients (86.5%) and penetrating in 13 patients (13.5%). There were multiple traumas in 60 patients (62.5%). Overall, 43 patients (44.8%) had a total of 61 coexisting intraabdominal injuries. The circulating aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase (LDH) levels were significantly higher in group 2 than in group 1.

      Conclusions

      In patients with abdominal trauma, abnormal hepatic transaminase and LDH levels are associated with liver injury. Alanine aminotransferase ≤76 U/L, aspartate aminotransferase <130 U/L, and LDH ≤410 U/L are predictive of low-grade liver injury, and patients with serum liver levels below these levels can be managed conservatively.
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