alexa Liver vitamin A reserves of very low birth weight neonates.
Pediatrics

Pediatrics

Journal of Neonatal Biology

Author(s): Shenai JP, Chytil F, Stahlman MT

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Abstract This study assessed the liver vitamin A concentrations at birth in a group of very low birth weight neonates (n = 25) (less than 1500 g birth weight, less than 32 wk gestation), dying within 24 h of birth, prior to possible changes in vitamin A status induced by postnatal intervention. Serum concentrations of vitamin A and retinol-binding protein were also measured in 16 of these neonates. The mean (+/- SD) liver vitamin A concentration was 30.0 +/- 12.9 micrograms/g (range 2.0-49.0 micrograms/g). The mean (+/- SD) serum vitamin A concentration was 13.0 +/- 4.7 micrograms/dl (range 6.7-22.8 micrograms/dl). The mean (+/- SD) serum retinol-binding protein concentration was 2.2 +/- 0.8 mg/dl (range 1.5-4.8 mg/dl). Liver vitamin A, serum vitamin A, and serum retinol-binding protein concentrations did not correlate significantly with gestational age or birth weight. Linear regression analysis did not show a significant correlation between liver vitamin A, and serum vitamin A or retinol-binding protein concentrations. This study provides reference values for vitamin A concentrations at birth in very low birth weight neonates, which may be helpful in future studies designed to evaluate postnatal changes in the vitamin A status of these high-risk neonates.
This article was published in Pediatr Res and referenced in Journal of Neonatal Biology

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