title: Free fluid on abdominal computed tomography without solid organ injury after blunt abdominal injury does not mandate celiotomy.
abstract: BACKGROUND
  Mandatory celiotomy has been proposed for all patients with unexplained free fluid on abdominal computed tomography (CT) scanning after blunt abdominal injury. This recommendation has been based upon retrospective data and concerns over the potential morbidity from the late diagnosis of blunt intestinal injury. This study examined the rate of intestinal injury in patients with free fluid on abdominal CT after blunt abdominal trauma.
  
  
  METHODS
  This study was a multicenter prospective series of all patients with blunt abdominal trauma admitted to four level I trauma centers over 22 months. Data were collected concurrently at the time of patient enrollment and included demographics, injury severity score, findings on CT scan, and presence or absence of blunt intestinal injury. This database was specifically queried for those patients who had free fluid without solid organ injury.
  
  
  RESULTS
  In all, 2,299 patients were evaluated. Free fluid was present in 265. Of these, 90 patients had isolated free fluid with only 7 having a blunt intestinal injury. Conversely, 91% of patients with free fluid did not. All patients with free fluid were observed for a mean of 8 days (95% confidence interval 6.1 to 10.4, range 1 to 131). There were no missed injuries.
  
  
  CONCLUSIONS
  Free fluid on abdominal CT scan does not mandate celiotomy. Serial observation with the possible use of other adjunctive tests is recommended.
authors.affiliation: Department of Surgery, New Jersey Medical School, University Hospital E-245, 150 Bergen St., Newark, NJ 07103, USA. livingst@umdnj.edu
authors.forename: D H
authors.initials: DH
authors.lastname: Livingston
authors.forename: R F
authors.initials: RF
authors.lastname: Lavery
authors.forename: M R
authors.initials: MR
authors.lastname: Passannante
authors.forename: J H
authors.initials: JH
authors.lastname: Skurnick
authors.forename: S
authors.initials: S
authors.lastname: Baker
authors.forename: T C
authors.initials: TC
authors.lastname: Fabian
authors.forename: D E
authors.initials: DE
authors.lastname: Fry
authors.forename: M A
authors.initials: MA
authors.lastname: Malangoni
mesh_terms: D000007:Abdominal Injuries / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D000328:Adult; D001826:Body Fluids / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007422:Intestines / Q000293:injuries*; D008297:Male; D011237:Predictive Value of Tests; D011446:Prospective Studies; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed; D014949:Wounds, Nonpenetrating / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery