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Short-Term Effects of Blood Transfusions on Hepcidin in Preterm Infants

Laila Lorenz1, Katharina F Müller, Christian F Poets

  • 1Department of Neonatology, University Children's Hospital of Tx00FC;bingen, Tx00FC;bingen, Germany.

Neonatology
|August 26, 2015
PubMed

Insights

Red blood cell transfusions increase serum hepcidin (HepS) in preterm infants, but urinary hepcidin (HepU) remains unchanged. Further studies are needed to understand hepcidin regulation dynamics in this population.

Area of Science:

  • Neonatal Medicine
  • Pediatric Endocrinology
  • Hematology

Background:

  • Hepcidin is a crucial peptide hormone for iron homeostasis.
  • It holds potential as a non-invasive marker for iron status in preterm infants.
  • Understanding factors influencing hepcidin is essential for its clinical application.

Purpose of the Study:

  • To investigate the immediate impact of red blood cell (RBC) transfusions on hepcidin levels in preterm infants.
  • To assess changes in both serum hepcidin (HepS) and urinary hepcidin (HepU) concentrations post-transfusion.

Main Methods:

  • A prospective, observational study involving very preterm infants (<32 weeks gestational age).
  • Hepcidin concentrations (HepS and HepU) and cellular indices were measured before and after clinically indicated RBC transfusions.
  • Measurements utilized competitive enzyme-linked immunosorbent assay.

Main Results:

  • Twenty preterm infants received 27 RBC transfusions.
  • Hematocrit levels significantly increased post-transfusion (p < 0.0001).
  • Serum hepcidin (HepS) concentrations showed a significant increase shortly after transfusion (p < 0.05), while urinary hepcidin (HepU) levels remained unaffected.

Conclusions:

  • Serum hepcidin concentrations rise shortly after RBC transfusion in preterm infants.
  • Urinary hepcidin does not appear to be affected by short-term RBC transfusions.
  • Long-term studies are necessary to elucidate the complex dynamics of hepcidin regulation in preterm infants.
Abstract

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