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[Hyperbilirubinemia in normal neonates].

R Hodr, J Vondrácek, M Kepertová

    Ceskoslovenska Pediatrie
    |March 1, 1989
    PubMed
    Summary

    Neonatal hyperbilirubinemia (high serum bilirubin) affects 17.7% of healthy newborns, with 5.3% requiring phototherapy. This study highlights significant increases in these conditions and individual variations in bilirubin metabolism adaptation.

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    Area of Science:

    • Neonatology
    • Pediatric Endocrinology
    • Clinical Chemistry

    Context:

    • Investigated a cohort of 13,449 neonates with birth weights ≥2500g.
    • Excluded neonates with Rh or ABO blood group incompatibility.
    • Monitored serum bilirubin levels and phototherapy treatment over a ten-year period.

    Purpose:

    • To analyze the incidence and trends of neonatal hyperbilirubinemia and phototherapy.
    • To identify demographic factors, such as sex, associated with hyperbilirubinemia.
    • To explore individual variations in bilirubin metabolism adaptation in healthy term neonates.

    Summary:

    • A significant rise in serum bilirubin (>205 µmol/l) was observed in 17.7% of neonates, with 5.3% receiving phototherapy.
    • The frequency of hyperbilirubinemia and phototherapy demonstrated a significant increasing trend over the ten-year study duration.
    • Boys were significantly predominant among neonates with hyperbilirubinemia and those undergoing phototherapy.
    • Serum bilirubin level development showed considerable individual variations in pattern, peak value, and timing, indicating diverse adaptation rates of bilirubin metabolism.

    Impact:

    • Provides crucial data on the prevalence and trends of neonatal jaundice in a large cohort.
    • Highlights the significant role of sex in the occurrence of hyperbilirubinemia.
    • Emphasizes the wide range of individual variability in bilirubin metabolism, even in healthy term infants.
    • Informs clinical practice regarding monitoring and management of neonatal hyperbilirubinemia.

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