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Infant Jaundice: Updates in Biliary Atresia

Alyssa Stetson1, Marissa Ray2, Michael Rogers3

  • 1Department of Surgery, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA; Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.

Advances in Pediatrics
|July 21, 2026
PubMed

Insights

Biliary atresia, a common cause of infant jaundice, requires early detection for successful treatment. Advances in diagnostics like bilirubin screening and imaging aid in timely intervention, improving outcomes for affected newborns.

Area of Science:

  • Neonatal cholestasis
  • Pediatric gastroenterology
  • Hepatology

Background:

  • Biliary atresia is a primary cause of neonatal cholestasis.
  • It is the most frequent reason for pediatric liver transplantation.
  • Timely surgical intervention, specifically the Kasai portoenterostomy, is crucial for favorable outcomes.

Purpose of the Study:

  • To highlight the critical need for early recognition of biliary atresia.
  • To discuss advancements in diagnostic approaches for infant jaundice.
  • To explore how new methods can improve long-term outcomes.

Main Methods:

  • Fractionated bilirubin screening.
  • Direct bilirubin measurement in newborn panels.
  • Noninvasive imaging techniques, including ultrasound.

Main Results:

  • Current diagnostic work-up emphasizes earlier differentiation of cholestatic from physiologic jaundice.
  • Emerging biomarkers and genetic testing show potential for enhanced early detection.
  • These advancements aim to reduce referral delays.

Conclusions:

  • Early diagnosis of biliary atresia is essential for effective management.
  • Advancements in diagnostics are improving the detection of infant jaundice.
  • Earlier intervention through improved diagnostic strategies promises better long-term outcomes for infants with biliary atresia.

Keywords:
Biliary atresiaDiagnostic work-upDirect hyperbilirubinemiaJaundiceKasai portoenterostomyLiver transplantation

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