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[Neonatal immune system changes caused by phototherapy]

Lj Mrkaić, B Kamenov, S Najman

    Srpski Arhiv Za Celokupno Lekarstvo
    |January 1, 1994
    PubMed

    Insights

    Phototherapy for neonatal hyperbilirubinemia may temporarily impair immune cell function, indicated by reduced phagocyte response. This could potentially complicate infections in newborns undergoing treatment.

    Area of Science:

    • Neonatal immunology
    • Phototherapy research
    • Cellular function studies

    Context:

    • Phototherapy is a common treatment for neonatal hyperbilirubinemia.
    • Potential adverse effects of phototherapy on neonates include behavioral changes and increased infection risk.
    • Electromagnetic radiation from phototherapy devices may impact cellular functions.

    Purpose:

    • To investigate the effects of phototherapy on the immune system of healthy neonates with hyperbilirubinemia.
    • To assess changes in immune cell counts and functions before and after phototherapy.
    • To evaluate the impact of phototherapy on the chemiluminescent response of leukocytes.

    Summary:

    • Phototherapy treatment for neonatal hyperbilirubinemia was examined in healthy neonates.
    • Measurements included physical exams, white blood cell counts, lymphocyte markers, and leukocyte chemiluminescence.
    • Results indicated an increase in white blood cells but a delayed and weakened chemiluminescent response in phagocytes post-phototherapy.

    Impact:

    • Phototherapy may temporarily decrease the functional capacity of phagocytes, potentially complicating infections like bacteremia.
    • Findings suggest a transient immunosuppressive effect of phototherapy on neonatal immune cells.
    • Understanding these temporary immune alterations is crucial for managing neonatal hyperbilirubinemia and associated risks.

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