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Iron status in infants with alloimmune haemolytic disease in the first three months of life

M E A Rath1, V E H J Smits-Wintjens, D Oepkes

  • 1Division of Neonatology, Department of Pediatrics, Leiden University Medical Center, Leiden, the Netherlands.

Vox Sanguinis
|June 28, 2013
PubMed

Insights

Neonates with alloimmune hemolytic disease of the fetus and newborn (HDFN) commonly experience iron overload at birth. This iron overload gradually decreases within the first three months of life without iron supplementation.

Area of Science:

  • Neonatal Medicine
  • Hematology
  • Pediatric Iron Metabolism

Background:

  • Alloimmune hemolytic disease of the fetus and newborn (HDFN) is associated with elevated ferritin levels at birth.
  • Limited data exists on iron status in the first three months of life for these infants.

Purpose of the Study:

  • To investigate the course of iron status, including iron deficiency and overload, in neonates with alloimmune HDFN up to three months of age.
  • To analyze bilirubin levels, liver enzymes, and red-blood-cell indices and their association with intrauterine transfusion (IUT).

Main Methods:

  • Observational study of 35 neonates with alloimmune HDFN.
  • Routine collection and comparison of iron status, bilirubin, liver enzymes, and red-blood-cell indices up to three months of age.
  • Comparison between neonates treated with and without intrauterine transfusion (IUT).

Main Results:

  • Iron overload was present in 70% of neonates at birth, decreasing to 50% at one month and 18% at three months.
  • No significant iron deficiency was observed; only one case was noted at three months.
  • Infants receiving IUT showed lower hemoglobin and reticulocyte counts, and higher ferritin levels at birth.

Conclusions:

  • The majority of neonates with alloimmune HDFN exhibit iron overload at birth.
  • Iron overload incidence naturally declines within the first three months without intervention.
  • Findings highlight the dynamic nature of iron status in HDFN neonates.
Abstract

Keywords:
cholestasishaemolytic disease of the fetus and newborniron overloadiron statusliver enzymes

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