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Related Experiment Videos

Transient neonatal hyperthyroidism and maternal thyroid stimulating immunoglobulins.

T Matsuda1, T Momoi, K Akaishi

  • 1Department of Paediatrics, Tenri Hospital, Nara, Japan.

Archives of Disease in Childhood
|February 1, 1988
PubMed
Summary

Maternal thyroid stimulating hormone binding inhibitor immunoglobulins (TBII) correlate with neonatal hyperthyroidism. Measuring TBII in infants and during pregnancy can predict hyperthyroid development in newborns.

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Area of Science:

  • Endocrinology
  • Immunology
  • Neonatal Medicine

Background:

  • Hyperthyroidism during pregnancy poses risks to both mother and fetus.
  • Thyroid stimulating hormone binding inhibitor immunoglobulins (TBII) are implicated in Graves' disease.
  • Neonatal hyperthyroidism can result from transplacental passage of maternal autoantibodies.

Observation:

  • Serum TBII and thyroid stimulating antibody (TSAb) levels were analyzed in three pregnant women with hyperthyroidism.
  • Infant serum samples were collected for TBII and TSAb analysis.
  • Maternal and neonatal TBII concentrations were monitored throughout pregnancy and the neonatal period.

Findings:

  • A significant correlation was observed between infant TBII concentrations and the development of neonatal hyperthyroidism.

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  • Maternal TBII levels during the third trimester of pregnancy also showed a strong association with neonatal hyperthyroidism.
  • The study suggests TBII is a key predictor of neonatal hyperthyroidism.

    • Implications:

    • TBII measurement could serve as a valuable tool for predicting and managing neonatal hyperthyroidism.
    • Early identification of infants at risk allows for timely intervention and improved outcomes.
    • Further research can elucidate the precise mechanisms of TBII transfer and action.