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Neonatal hyperbilirubinemia and renal function

W D Engle, B S Arant

    The Journal of Pediatrics
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Neonates with hyperbilirubinemia (high bilirubin levels) and gestational age ≥33 weeks do not show impaired renal function. Current management of moderate jaundice in these infants is likely safe for preventing kidney damage.

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    Area of Science:

    • Neonatal Medicine
    • Pediatric Nephrology

    Background:

    • Neonatal hyperbilirubinemia is common.
    • Potential renal function impairment in jaundiced neonates is a concern.

    Purpose of the Study:

    • To investigate the impact of hyperbilirubinemia on renal function in neonates.
    • To assess creatinine clearance, tubular reabsorption of sodium, and beta-2-microglobulin levels.

    Main Methods:

    • Studied 22 jaundiced neonates (gestational age 33-42 weeks) and 23 matched controls.
    • Measured creatinine clearance (CCr), fractional tubular reabsorption of sodium (T Na), and beta-2-microglobulin (T beta 2M).
    • Conducted follow-up renal function studies in 18 infants.

    Main Results:

    • No significant differences in CCr, T Na, or T beta 2M were found between jaundiced and control infants.

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  • Follow-up studies showed no lasting renal function impairment.

    • Conclusions:

    • Neonates with gestational age ≥33 weeks and moderate hyperbilirubinemia do not exhibit impaired renal function.
    • Current management strategies for moderate hyperbilirubinemia in these infants are unlikely to cause nephrotoxicity.