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Does transient hypothyroxinemia influence metabolic bone disease of prematurity?

Utku Demirel1, Eren Özek, Abdullah Bereket

  • 1Department of Neonatology, Bahcesehir University Hospital , Istanbul , Turkey .

The Journal of Maternal-Fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
|May 16, 2013
PubMed

Insights

Transient Hypothyroxinemia of Prematurity (THOP) did not significantly increase the risk of Metabolic Bone Disease (MBD) in preterm infants. Gestational age was the primary factor associated with MBD development.

Area of Science:

  • Neonatal research
  • Endocrinology
  • Pediatric bone health

Background:

  • Transient Hypothyroxinemia of Prematurity (THOP) is a condition affecting preterm infants.
  • Metabolic Bone Disease (MBD) is a common complication in premature neonates.
  • The relationship between THOP and MBD requires further investigation.

Purpose of the Study:

  • To examine the association between THOP and MBD in preterm infants.
  • To identify risk factors for MBD in this vulnerable population.

Main Methods:

  • 124 infants with gestational age ≤34 weeks were studied.
  • Serum hormone and bone metabolism markers (TSH, T4, calcium, phosphorus, ALP) were measured.
  • MBD and THOP were defined based on established biochemical criteria.

Main Results:

  • THOP occurred in 15.3% of infants; MBD was diagnosed in 41.9% by 3 months.
  • Low birth weight, gestational age, and parenteral nutrition duration were linked to MBD.
  • Multivariate analysis confirmed gestational age as the sole significant predictor of MBD.

Conclusions:

  • Preterm infants with THOP do not exhibit a significantly elevated risk of developing MBD.
  • Gestational age is a critical determinant of MBD in premature infants.
Abstract

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