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Related Experiment Videos

[Screening for hypothyroidism in the newborn with a total T 4-RIA method (author's transl)]

H Fritzsche, M Weissel, R Höfer

    Padiatrie Und Padologie. Supplementum
    |January 1, 1977
    PubMed
    Summary

    This study details a newborn screening method for congenital hypothyroidism using total T4 levels in dried blood spots. Early detection via this screening program aids in timely diagnosis and management of affected infants.

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    Physical review letters·2018

    Area of Science:

    • Neonatal screening
    • Endocrinology
    • Public health

    Context:

    • Congenital hypothyroidism (CH) poses a significant risk to infant development.
    • Early detection and treatment are crucial for preventing irreversible neurological damage.
    • The Austrian Program for Inborn Errors of Metabolism collaborated on this screening initiative.

    Purpose:

    • To present a detailed screening method for detecting congenital hypothyroidism in newborns.
    • To evaluate the efficacy of total thyroxine (T4) measurement in dried blood spots.
    • To discuss the benefits of incorporating TSH determination into the screening process.

    Summary:

    • The screening method involves measuring total T4 in dried blood spots from newborns.
    • A recall strategy for abnormal T4 values ensures diagnosis by day 55 of life.

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  • Preliminary findings indicate a slight day-of-sampling dependency for T4 values.

    • Impact:

    • Successfully screened 8645 newborns in Vienna and Carinthia.
    • Diagnosed two cases of congenital hypothyroidism, aligning with the reported incidence of 1:6000.
    • Highlights the feasibility and importance of population-based newborn screening for CH.