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INTRAUTERINE GROWTH AND THE VITAMIN E STATUS OF FULL-TERM AND PRETERM NEWBORNS

ABSTRACT Objective: To determine the concentration of alpha-tocopherol in umbilical cord serum of full-term and preterm newborns, in order to assess the nutritional status of both groups in relation to the vitamin and its possible correlation with intrauterine growth. Methods: A cross-sectional obse...

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Main Authors: Alyne Batista da Silva (Author), Jeane Franco Pires Medeiros (Author), Mayara Santa Rosa Lima (Author), Amanda Michelly Braga da Mata (Author), Eva Débora de Oliveira Andrade (Author), Danielle Soares Bezerra (Author), Mônica Maria Osório (Author), Roberto Dimenstein (Author), Karla Danielly da Silva Ribeiro (Author)
Format: Book
Published: Sociedade de Pediatria de São Paulo, 2019-05-01T00:00:00Z.
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Summary:ABSTRACT Objective: To determine the concentration of alpha-tocopherol in umbilical cord serum of full-term and preterm newborns, in order to assess the nutritional status of both groups in relation to the vitamin and its possible correlation with intrauterine growth. Methods: A cross-sectional observational study conducted with 140 newborns, of which 64 were preterm and 76 were full-term. They did not have any malformations, they came from healthy mothers, who were nonsmokers, and delivered a single baby. Intrauterine growth was evaluated by weight-to-gestational age at birth, using Intergrowth-21st. Thealpha-tocopherol levels of umbilical cord serum were analyzed by High Performance Liquid Chromatography. Results: The mean concentration of alpha-tocopherol in umbilical cord serum for preterm and full-term infants was 263.3±129.5 and 247.0±147.6 µg/dL (p=0.494). In the preterm group, 23% were small for gestational age, whereas in the full-term group, this percentage was only 7% (p=0.017). Low levels of vitamin E were found in 95.3% of preterm infants and 92.1% of full-term infants. There was no correlation between alpha-tocopherol levels and weight to gestational age Z score (p=0.951). Conclusions: No association was found between alpha-tocopherol levels and weight to gestational age at birth. Intrauterine growth restriction was more frequent in preterm infants and most infants had low levels of vitamin E at the time of delivery.
Item Description:1984-0462
10.1590/1984-0462/;2019;37;3;00003

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