alexa Plasma selenium in preterm and term infants during the first 12 months of life.
Pediatrics

Pediatrics

Journal of Neonatal Biology

Author(s): Sievers E, Arpe T, Schleyerbach U, GarbeSchnberg D, Schaub J

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Abstract The goal of the present study was to prospectively assess the plasma selenium (Se) concentrations of term and preterm infants during the first year of life in relation to gestational age and nutrition. Blood specimens were collected from orally formula-fed preterm infants (gestational age < 32 weeks, birth weight < 1500 g): 1.) in hospital and 2.) corrected for gestational age parallel to healthy term breast and formula-fed infants at the ages of 1, 4 and 12 months. All infants were fed according to a standardized nutritional concept, solids and follow-up formula were introduced at the age of 4 months. Plasma selenium in preterm infants in hospital was 11.7 (6.5-20.8) microg/l and 11.6 (8.8-16.7) microg/l at 4 weeks corrected for gestational age. At the age of 4 months plasma selenium was still significantly lower than in the other groups: Preterm infants: 17.1 (10.4-30.5) microg/l; formula-fed term infants: 31.3 (24.3-47.5) microg/l; breast-fed term infants: 45.6 (27.1-65.1) microg/l). The levels of breast-fed infants were significantly higher than those of both formula-fed groups up until the introduction of solids. Preterm infants had significantly low plasma selenium levels up until a postnatal age of at least 6 months. The levels were lower than those of term infants fed an identical unsupplemented infant formula during the first 4 months of life. These data support routine monitoring in hospital and selenium supplementation of preterm infants, preferably in hospital before discharge. This article was published in J Trace Elem Med Biol and referenced in Journal of Neonatal Biology

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