Neonatal hyperbilirubinemia management: Clinical assessment of bilirubin production

Lizhong Du1, Xiaolu Ma1, Xiaoxia Shen1

  • 1Department of Neonatology, the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China; National Clinical Research Center for Child Health, China.

Seminars in Perinatology
|December 14, 2020
PubMed

Insights

Elevated bilirubin in newborns often signals hemolysis. A new point-of-care device measuring end-tidal carbon monoxide (ETCOc) effectively identifies hemolysis-associated hyperbilirubinemia in neonates, preventing neurological damage.

Area of Science:

  • Neonatal Medicine
  • Biochemistry
  • Medical Diagnostics

Background:

  • Elevated total/plasma bilirubin (TB) in neonates is primarily caused by increased bilirubin production due to hemolysis.
  • Untreated neonatal hyperbilirubinemia increases the risk of bilirubin-induced neurological dysfunction (BIND).
  • Carbon monoxide (CO) and bilirubin are equimolar products of heme catabolism.

Purpose of the Study:

  • To review the biology of bilirubin production.
  • To assess the clinical utility of a novel point-of-care end-tidal CO (ETCOc) device for identifying hemolysis in newborns.
  • To introduce the application of ETCOc measurements in a neonatal cohort in China.

Main Methods:

  • Review of the heme catabolic pathway and bilirubin production.
  • Evaluation of a newly developed point-of-care ETCOc device.
  • Analysis of ETCOc measurements in a cohort of neonates.

Main Results:

  • End-tidal CO (ETCOc) measurements serve as a direct indicator of ongoing hemolysis.
  • The novel point-of-care ETCOc device is effective in identifying hemolysis-associated hyperbilirubinemia in neonates.
  • The study provides insights into the use of ETCOc in a Chinese neonatal population.

Conclusions:

  • Accurate and timely identification of hemolysis is crucial for preventing neonatal hyperbilirubinemia and BIND.
  • The ETCOc device offers a promising, non-invasive method for detecting hemolysis in newborns.
  • ETCOc measurement represents a valuable tool for neonatal care and research.

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