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Evaluating iron status and the risk of anemia in young infants using erythrocyte parameters

Ingrid Kristin Torsvik1, Trond Markestad, Per Magne Ueland

  • 1Department of Pediatrics, Haukeland University Hospital, Bergen, Norway. idto@helse-bergen.no

Pediatric Research
|November 22, 2012
PubMed

Insights

Iron supplementation improved iron status in infants, with reticulocyte hemoglobin content (CHr) effectively monitoring iron levels. Early CHr measurements can predict future anemia in at-risk infants.

Area of Science:

  • Pediatric Nutrition
  • Hematology
  • Infant Development

Background:

  • Accurate iron status assessment is crucial in young infants due to potential negative impacts of both deficiency and excess on development and health.
  • Iron deficiency and overload can adversely affect infant growth, development, and morbidity.

Purpose of the Study:

  • To evaluate iron status in infants using erythrocyte parameters, including reticulocyte hemoglobin content (CHr).
  • To assess the effectiveness of iron supplementation in infants with low birth weight.
  • To identify predictors of anemia in infants.

Main Methods:

  • Erythrocyte parameters, including reticulocyte hemoglobin content (CHr), were used to evaluate iron status in infants with birth weight <3,000 g.
  • Infant characteristics and blood samples were collected at 6 weeks, 4 months, and 6 months.
  • Iron supplementation was recommended for infants with a birth weight ≤2,500 g.

Main Results:

  • Iron-supplemented infants showed significantly higher hemoglobin (Hb) and CHr levels at 6 months compared to non-supplemented infants.
  • Prolonged exclusive breastfeeding, high weight gain, and male gender were identified as factors predisposing to low iron status at 6 months.
  • A CHr cutoff level of 26.9 pg at 4 months predicted anemia at 6 months with high sensitivity.

Conclusions:

  • Nonsupplemented infants with birth weights between 2,501-3,000 g exhibited signs of iron-restricted erythropoiesis.
  • Reticulocyte hemoglobin content (CHr) proved to be a valuable tool for assessing iron status in infants.
  • Further evaluation is needed regarding the necessity of iron supplementation in specific infant risk populations.
Abstract

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