[A 14-day-old boy with jaundice and apnoea]

Ole-Jørgen Olsøy Smerud1, Anne Lee Solevåg1, Thor Willy Ruud Hansen2

  • 1Barne- og ungdomsklinikken Akershus universitetssykehus.

Insights

A Norwegian infant developed kernicterus due to undiagnosed Crigler-Najjar syndrome type I, highlighting risks of disregarding neonatal jaundice guidelines. This case underscores the importance of adhering to established protocols for infant jaundice management and follow-up.

Area of Science:

  • Neonatal Medicine
  • Clinical Genetics
  • Pediatric Neurology

Background:

  • Neonatal jaundice is common, but severe hyperbilirubinemia can lead to kernicterus.
  • National guidelines exist in Norway for managing and following up neonatal jaundice within the first two weeks of life.
  • Crigler-Najjar syndrome type I is a rare genetic disorder causing severe, non-hemolytic unconjugated hyperbilirubinemia.

Observation:

  • An infant presented with severe jaundice, apnea, and opisthotonos at 14 days of age.
  • The infant had total serum bilirubin of 542 µmol/L and required intensive treatment, including exchange transfusion.
  • The parents received inadequate information on jaundice management and follow-up upon hospital discharge.

Findings:

  • The infant was diagnosed with Crigler-Najjar syndrome type I, a condition previously undiagnosed in Norway.
  • Delayed referral due to inappropriate advice from a child healthcare center led to the diagnosis of chronic kernicterus.
  • This is likely the first reported case of kernicterus in Norway since national guidelines were formalized in 2006.

Implications:

  • Disregarding established national guidelines for neonatal jaundice management can have severe consequences.
  • Effective implementation and adherence to guidelines are crucial for preventing kernicterus.
  • This case emphasizes the need for consistent application of jaundice management protocols and genetic screening for rare disorders.

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