Background: Penetrating abdominal trauma is uncommon in Australia. There are multiple potential approaches to the patient without an indication for immediate laparotomy. This study examined the management of patients with a penetrating anterior abdominal injury in a Level 1 trauma centre, and in particular investigated the outcomes of those patients who underwent diagnostic laparoscopy.
Methods: A retrospective review was undertaken of all patients presenting to a Level 1 trauma centre with an anterior abdominal stab wound over a 15-year period. Patient demographic, injury, examination, treatment and outcome data were extracted. These data were analysed using SPSS PASW version 20.
Results: A total of 318 patients were identified. Immediate laparotomy was performed in 121 of those patients. Of the remaining 197 patients, 146 underwent diagnostic laparoscopy. Peritoneal breach was identified in 87 patients, 79 of whom then had exploratory laparotomy. The laparotomy was therapeutic in 36 of 79 patients (45.6%). Multiple stab wounds were an independent predictor of therapeutic laparotomy (hazard ratio 2.39, 95% CI 1.16-4.93). Diagnostic laparoscopy was 100% sensitive, 60.9% specific and had a negative predictive value of 100% and a positive predictive value of 40%. Non-therapeutic laparotomy was associated with a median length of stay of 5.5 days and a complication rate of 9.3%.
Conclusion: Diagnostic laparoscopy to detect peritoneal breach is a safe approach in the management of anterior abdominal stab wounds. However, utilizing peritoneal breach as an indication for laparotomy is associated with a moderate incidence of non-therapeutic laparotomy. Measures to decrease the negative laparotomy rate should be considered.
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