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Iron Status of the Preterm Infant during the First Year of Life

Iron Status of the Preterm Infant during the First Year of Life The iron status of 49 preterm infants (mean gestational age 33,1 weeks) was assessed serially during the 1st year of life. Haemoglobin concentration, serum ferritin, serum transferrin, serum iron, and transferrin saturation were measured on nine occasions in each infant. In 16 infants of gestational age 28-32 weeks the haemoglobin concentration was significantly lower at 3, 6, and 9 weeks when compared to 33 infants of gestational age 33-36 weeks. For all other measures of iron status there were no significant differences between these gestational age groups. For the entire group of 49 infants the mean haemoglobin concentration reached a nadir of 11.2 g/dl at 9 weeks. Mean serum iron and transferrin saturation reached peaks of 24 μmol/l and 65%, respectively, at 3 weeks. The mean serum ferritin remained over 100 μg/l until after 18 weeks. 13 infants (26%) had iron deficiency defined as either serum ferritin < 10 μg/l (n = 10) or transferrin saturation < 10% (n = 5) or both (n = 3). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Neonatology Karger

Iron Status of the Preterm Infant during the First Year of Life

Halliday, Henry L.; Lappin, Terence R.J.; McClure, Garth
Neonatology , Volume 45 (5): 8 – Jan 1, 1984
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Publisher
Karger
Copyright
© 1984 S. Karger AG, Basel
ISSN
1661-7800
eISSN
1661-7819
DOI
10.1159/000242009
Publisher site
See Article on Publisher Site

Abstract

The iron status of 49 preterm infants (mean gestational age 33,1 weeks) was assessed serially during the 1st year of life. Haemoglobin concentration, serum ferritin, serum transferrin, serum iron, and transferrin saturation were measured on nine occasions in each infant. In 16 infants of gestational age 28-32 weeks the haemoglobin concentration was significantly lower at 3, 6, and 9 weeks when compared to 33 infants of gestational age 33-36 weeks. For all other measures of iron status there were no significant differences between these gestational age groups. For the entire group of 49 infants the mean haemoglobin concentration reached a nadir of 11.2 g/dl at 9 weeks. Mean serum iron and transferrin saturation reached peaks of 24 μmol/l and 65%, respectively, at 3 weeks. The mean serum ferritin remained over 100 μg/l until after 18 weeks. 13 infants (26%) had iron deficiency defined as either serum ferritin < 10 μg/l (n = 10) or transferrin saturation < 10% (n = 5) or both (n = 3).

Journal

Neonatology – Karger

Published: Jan 1, 1984

Keywords: Preterm infants; Iron status; Serum ferritin; Serum transferrin; Serum iron; Haemoglobin

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