Abstract
The reticulocyte index reticulocyte hemoglobin equivalent (Ret-He) was evaluated as a marker of iron status. This is a retrospective cohort study of all infants admitted to the University of Washington Neonatal Intensive Care Unit, who received Ret-He measurements as part of routine care within the first 120 days of life. A total of 730 Ret-He measurements from 249 infants were analyzed (median gestational age at birth 32.1 weeks; 49 infants <28 weeks and 200 ≥28 weeks). Initial Ret-He measurements were lower in infants <28 weeks (28.24 vs. 33.34 pg). Ret-He values initially decreased, then slowly increased. Infants received an average of 3.9, 6.5, and 8.2 mg/kg/day of enteral iron sulfate at 30, 60, and 90 days, respectively. Ret-He values showed a slow uptrend with enteral iron supplementation following an initial decrease, suggesting that neonates are able to improve their iron sufficiency status with supplementation.
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More From: Journal of perinatology : official journal of the California Perinatal Association
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