title: Retrospective analysis of the adequacy of oral contrast material for computed tomography scans in trauma patients.
abstract: BACKGROUND
  This study examined the adequacy of oral contrast (OC) in adult trauma patients, the differences in the incidence of pathology and other patient characteristics related to OC adequacy, and the incidence of OC-associated emesis.
  
  
  METHODS
  The cases of 129 adult trauma patients were reviewed from January to December 1996 for utilization of OC, administration time, time to computed tomography (CT), and emesis within 4 hours. CT films were reviewed for adequacy of OC (AC = adequate contrast, IC = inadequate contrast) and pathology.
  
  
  RESULTS
  Data are presented as median and range, or percentage and 95% confidence interval (CI). Pathology was found in 24% (CI 17% to 31%) and was not associated with AC. OC administration to CT was 14 minutes (0 to 139). IC was present for 60% (CI 52% to 69%). Subjects with IC had higher injury severity scores. 10% (CI 5% to 15%) with OC had emesis.
  
  
  CONCLUSIONS
  OC is not necessary for diagnostic accuracy, and may contribute to patient morbidity or discomfort.
authors.affiliation: Trauma Program, St. Vincent Mercy Medical Center, Toledo, Ohio, USA.
authors.forename: W S
authors.initials: WS
authors.lastname: Shreve
authors.forename: F B
authors.initials: FB
authors.lastname: Knotts
authors.forename: R W
authors.initials: RW
authors.lastname: Siders
authors.forename: A
authors.initials: A
authors.lastname: Culler
authors.forename: N
authors.initials: N
authors.lastname: Fenn-Buderer
authors.forename: C
authors.initials: C
authors.lastname: Black
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003287:Contrast Media / Q000008:administration & dosage* / Q000009:adverse effects; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D014057:Tomography, X-Ray Computed / Q000592:standards*; D014839:Vomiting / Q000139:chemically induced; D014947:Wounds and Injuries / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media