• K J Brasel, D C Borgstrom, K A Kolewe, and J A Weigelt.
• University of Minnesota, St. Paul-Ramsey Medical Center, USA.
• Surgery. 1996 Oct 1;120(4):780-3; discussion 783-4.

BackgroundOne of the most difficult problems in blunt trauma is evaluation for potential intraabdominal injury. Admission for serial abdominal exams remains the standard of care after intraabdominal injury has been initially excluded. We hypothesized a normal abdominal computed tomography (CT) scan in a subgroup of minimally injured patients would obviate admission for serial abdominal examinations, allowing safe discharge from the emergency department (ED).MethodsWe reviewed our blunt trauma experience with patients admitted solely for serial abdominal examinations after a normal CT. Patients were identified from the trauma registry at a Level 1 trauma center from July 1991 through June 1995. Patients with abnormal CTs, extra-abdominal injuries necessitating admission, hemodynamic abnormalities, a Glasgow Coma Scale less than 13, or injury severity scores (ISSs) greater than 15 were excluded. Records of 238 patients remained; we reviewed them to determine the presence of missed abdominal injury.ResultsNone of the 238 patients had a missed abdominal injury. Average ISS of these patients was 3.2 (range, 0 to 10). Discharging these patients from the ED would result in a yearly cost savings of $32,874 to our medical system.ConclusionsAbdominal CT scan is a safe and cost-effective screening tool in patients with blunt trauma. A normal CT scan in minimally injured patients allows safe discharge from the ED.

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