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Hepcidin is a relevant iron status indicator in infancy: results from a randomized trial of early vs. delayed cord clamping
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Hepcidin is a relevant iron status indicator in infancy: results from a randomized trial of early vs. delayed cord clamping
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Journal Article
Hepcidin is a relevant iron status indicator in infancy: results from a randomized trial of early vs. delayed cord clamping
2021
Overview
Background
We aimed to evaluate whether serum hepcidin is a useful indicator of iron status in infants.
Methods
Term infants (
n
= 400) were randomized to delayed (≥180 s) or early (≤10 s) cord clamping (CC). Iron status was assessed at 4 and 12 months. In all cases with iron depletion or iron deficiency (ID) (as defined in “Methods”)
(n
= 30) and 97 randomly selected iron-replete infants, we analyzed hepcidin and explored its correlation to the intervention, iron status, and perinatal factors.
Results
Serum hepcidin concentrations were significantly lower in the early CC group at both time points and in ID infants at 4 months. Median (2.5th–97.5th percentile) hepcidin in non-ID infants in the delayed CC group (suggested reference) was 64.5 (10.9–142.1), 39.5 (3.5–157.7), and 32.9 (11.2–124.2) ng/mL in the cord blood and at 4 and 12 months, respectively. The value of 16 ng/mL was a threshold detecting all cases of iron depletion/ID at 4 months. No similar threshold for ID was observed at 12 months. The strongest predictor of hepcidin at both ages was ferritin.
Conclusions
Hepcidin is relevant as iron status indicator in early infancy and may be useful to detect ID. Levels <16 ng/mL at 4 months of age indicates ID.
Impact
Serum hepcidin is a relevant indicator of iron status in early infancy.
Normal reference in healthy infants is suggested in this study.
Serum hepcidin may be useful in clinical practice to detect iron deficiency.
