Laparoscopy for Triage of Penetrating Trauma: The Decision to Explore

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Abstract
The role of diagnostic laparoscopy in penetrating trauma continues to evolve. We reviewed our experience to determine the effect of laparoscopy on therapeutic laparotomy rates, length of hospital stay, and hospital charges. Laparoscopy was performed on 106 hemodynamically stable patients with penetrating abdominal injuries (66 had gunshot wounds, 40 had stab wounds). All patients with laparoscopically identified peritoneal penetration underwent open laparotomy. At laparoscopy, 41 (39%) had positive findings, whereas 65 (61%) had none. Two patients with retroperitoneal hematomas and one with ecchymosis of the peritoneum were not explored. Thus 68 (64%) did not require laparotomy. Among the 38 who underwent laparotomy, 29 (76%) had positive findings and 9 (24%) had a negative laparotomy. Nineteen patients (50%) had a therapeutic laparotomy. This compares with a therapeutic laparotomy rate of 18% had all 106 patients undergone mandatory laparotomy. Data for length of stay and hospital charges were analyzed. Due to the extended stay associated with tube thoracostomy (n = 21), a subgroup excluding patients with chest tubes was also analyzed. In this subgroup, there was a significant difference in hospital stay between those who had only a laparoscopy and those who underwent a negative laparotomy (2.6 +/- 1.7 vs. 4.7 +/- 1.6, p < 0.01). The average nonsurgical charge for patients who had a negative laparotomy was more than double that for those who had laparoscopy only ($8275 +/- 4692 vs. $3762 +/- 3786, p < 0.01). We conclude that the use of diagnostic laparoscopy to identify peritoneal penetration resulted in an improved therapeutic laparotomy rate as well as significant reduction in hospital stay and hospital charges.