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Arch Dis Child Fetal Neonatal Ed. 1999 Jul;81(1):F45-9.

Iron nutritional status in preterm infants fed formulas fortified with iron.

Author information

1
Neonatal Nutrition Research Group Royal Victoria Infirmary University of Newcastle-upon-Tyne, UK. igriffin@neo.bcm.tmc.edu

Abstract

AIMS:

To prospectively evaluate the iron nutritional status of preterm infants fed either a term (0.5 mg/dl iron) or preterm (0.9 mg/dl) formulas fortified with iron after hospital discharge.

METHODS:

Healthy low birthweight preterm infants were randomly assigned into three groups at the time of hospital discharge. Group A were fed an iron fortified preterm formula (0.9 mg/dl iron) until 6 months corrected age; group B, a fortified term formula (0.5 mg/l iron) until 6 months corrected age group C, the preterm formula between hospital discharge and term, then the term formula until 6 months corrected age.

RESULTS:

Seventy eight infants were followed up to 6 months corrected age. Iron intake from formula differed significantly between the groups (A, 1.17 mg/kg/day (SD 0.32) > C, 0. 86 mg/kg/day (SD 0.40) = B, 0.81 mg/kg/day (SD 0.23); p < 0.0001). Haemoglobin concentrations were similar to those of iron sufficient preterm infants of the same postnatal age, and term infants of the same postmenstrual age (after 3 months of age). There were no significant differences in haemoglobin concentration (p = 0.391), plasma ferritin (A vs B, p = 0.322), or in the incidence of iron deficiency (A vs B, p = 0.534).

CONCLUSIONS:

Iron fortified formulas containing between 0.5 and 0.9 mg/dl iron seem to meet the iron nutritional needs of preterm infants after hospital discharge.

PMID:
10375362
PMCID:
PMC1720946
DOI:
10.1136/fn.81.1.f45
[Indexed for MEDLINE]
Free PMC Article

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