title: Accuracy of radiographic estimation of small bowel dimensions in pediatric patients with short bowel syndrome.
abstract: BACKGROUND
  The decision to perform autologous intestinal lengthening in patients with short bowel syndrome (SBS) depends on total bowel length and the diameter and length of dilated segments. This study evaluated the accuracy of radiologic measurements of intestinal length and diameter.
  
  
  METHODS
  Patients who underwent an intestinal lengthening procedure with preoperative upper gastrointestinal study (UGI) were identified from 10/2012 through 1/2015. Measurements of total length and diameters and lengths of dilated segments on UGI were compared to intraoperative measurements using Spearman's rank correlation coefficients and Bland-Altman plots.
  
  
  RESULTS
  Fourteen patients underwent 15 lengthening procedures. Median age was 3.6years. Most common causes of SBS were complicated gastroschisis (43%) and small bowel atresia (36%). Intra-operative bowel lengths prior to performing lengthening procedures ranged from 21 to 170cm. The median measurements of radiographic and operative measurements (respectively) were total bowel lengths 77cm and 69cm (r=0.93, p<0.0001), maximum diameters 7.7cm and 7cm (r=0.86, p=0.001), and lengths of dilated segments 13cm and 14cm (r=0.41, p=0.36).
  
  
  CONCLUSIONS
  The correlation between UGI and operative measurements suggests that prediction of total bowel length and maximum diameter of dilation is accurate and can assist with operative planning.
authors.affiliation: Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital.
authors.forename: Daniel
authors.initials: D
authors.lastname: Lodwick
authors.affiliation: Division of Pediatric Gastroenterology and Nutrition, Department of Pediatrics, Nationwide Children's Hospital.
authors.forename: Molly
authors.initials: M
authors.lastname: Dienhart
authors.affiliation: Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital.
authors.forename: Erica
authors.initials: E
authors.lastname: Ambeba
authors.affiliation: Division of Pediatric Gastroenterology and Nutrition, Department of Pediatrics, Nationwide Children's Hospital.
authors.forename: Desalegn
authors.initials: D
authors.lastname: Yacob
authors.affiliation: Division of Pediatric Gastroenterology and Nutrition, Department of Pediatrics, Nationwide Children's Hospital.
authors.forename: Jane
authors.initials: J
authors.lastname: Balint
authors.affiliation: Department of Radiology, Nationwide Children's Hospital.
authors.forename: D Gregory
authors.initials: DG
authors.lastname: Bates
authors.affiliation: Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital. Electronic address: Peter.minneci@nationwidechildrens.org.
authors.forename: Peter C
authors.initials: PC
authors.lastname: Minneci
mesh_terms: D002675:Child, Preschool; D005260:Female; D020139:Gastroschisis / Q000150:complications; D006801:Humans; D007409:Intestinal Atresia / Q000150:complications; D007421:Intestine, Small / Q000002:abnormalities / Q000033:anatomy & histology / Q000473:pathology* / Q000601:surgery; D008297:Male; D011859:Radiography; D012778:Short Bowel Syndrome / Q000473:pathology* / Q000601:surgery
keywords: UGI; dilated small bowel; fluoroscopy; short bowel syndrome; upper gastrointestinal series