A prospective multicenter analysis from the Pediatric ERCP Database Initiative: predictors of choledocholithiasis at

Douglas S Fishman1, Brad Barth2, Cynthia Man-Wai Tsai1

  • 1Section of Pediatric Gastroenterology, Hepatology and Nutrition; Baylor College of Medicine, Texas Children's Hospital, Houston, Texas, USA.

Insights

Evaluating adult criteria for pediatric choledocholithiasis shows low sensitivity. Conjugated bilirubin levels significantly improve stone detection in children, suggesting a need for pediatric-specific guidelines.

Area of Science:

  • Pediatric Gastroenterology
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)

Background:

  • Management of suspected choledocholithiasis in children presents challenges.
  • Existing adult guidelines for choledocholithiasis evaluation lack proven efficacy in pediatric patients.

Purpose of the Study:

  • To assess the applicability of adult-based criteria for diagnosing choledocholithiasis in pediatric patients.
  • To determine if conjugated bilirubin levels enhance the detection of choledocholithiasis in children.

Main Methods:

  • A prospective multicenter study involving pediatric patients (<19 years) undergoing ERCP for suspected choledocholithiasis.
  • Analysis included adult guidelines, abdominal ultrasound, and laboratory indices, focusing on total and conjugated bilirubin.

Main Results:

  • Adult guidelines demonstrated low sensitivity (20%-69%) and variable specificity (27%-91%) in pediatric patients.
  • Transabdominal ultrasound showed no significant difference between groups.
  • Both total and conjugated bilirubin levels, particularly when dichotomized (>2 mg/dL), showed significant differences between patients with and without choledocholithiasis.

Conclusions:

  • Current adult criteria are insufficient for predicting pediatric choledocholithiasis.
  • Conjugated bilirubin is a valuable biomarker for improving choledocholithiasis detection in children.
  • Development of pediatric-specific guidelines is recommended for better stone prediction.
Abstract