Abstract
A prospective multicentre study comparing the value of the recently introduced minilaparoscopy with peritoneal lavage in patients with abdominal trauma is in progress. To date 55 patients with blunt abdominal trauma have been entered into the study. Following initial resuscitation, 26 were randomised to peritoneal lavage and 29 to minilaparoscopy performed under intravenous sedation and local anaesthesia. The two groups were comparable with respect to age, sex, incidence of multiple injuries and mortality (2 patients in the lavage group and 1 in the minilaparoscopy group). A negative test was obtained in 15 patients subjected to lavage and 12 patients who underwent minilaparoscopy. A further four patients in the minilaparoscopy group were found to have a minimal static haemoperitoneum. All these patients were treated conservatively and none required surgical intervention on the abdomen. Thus neither investigation carried a false negative rate. A positive test was obtained in 11 patients in the lavage group and significant findings were observed in 13 patients assessed by minilaparoscopy. All these patients were subjected to emergency laparotomy. Absence of significant bleeding or trauma was observed at laparotomy in 3/11 (27%) and 1/13 (8%) in the lavage and minilaparoscopy groups respectively. Although both procedures were highly sensitive for the detection of significant intra-abdominal injury (100%), the specificity was 83% for peritoneal lavage and 94% for minilaparoscopy. The predictive value of a positive minilaparoscopic examination was 92% as opposed to a positive predictive value of 72% for peritoneal lavage.
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Selected References
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