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  • Title: Cord serum lipid and apolipoprotein levels in preterm infants with the neonatal respiratory distress syndrome.
    Author: Lane DM, McConathy WJ, McCaffree MA, Hall M.
    Journal: J Matern Fetal Neonatal Med; 2002 Feb; 11(2):118-25. PubMed ID: 12375541.
    Abstract:
    OBJECTIVE: The purpose of this study was to evaluate the effects of birth weight on cord serum lipid and apolipoprotein levels in preterm infants with and without respiratory distress syndrome (RDS). METHODS: Cord serum lipid and apolipoprotein levels were evaluated in preterm infants (39 with RDS and 68 controls without RDS). Based on morbidity and mortality risk, RDS and non-RDS infants were separated into four birth weight groups (2,000-2,499 g, 1,500-1,999 g, 1,000-1,499 g, < 1,000 g) and evaluated for effects of birth weight on cord serum levels. RESULTS: RDS infants with birth weight of 2,000-2,499 g had significantly higher levels of cholesterol, triglyceride, total fatty acids and apolipoprotein A-I, but not arachidonic acid, than controls. RDS infants weighing 1,000-1,999 g had lower total fatty acids and apolipoprotein B levels, including arachidonic acid, than non-RDS infants. Cord serum lipid and apolipoprotein levels were significantly elevated in large (2,000-2,499 g) RDS infants, but lower levels were found in smaller (1,000-1,999 g) RDS infants. CONCLUSIONS: Cord serum arachidonic acid and apolipoprotein levels found in RDS infants suggest that lipid transport across the placenta may be abnormal. Inadequate total fatty acid supplies in utero could interfere with normal fetal growth and maturation, leading to development of neonatal RDS as one manifestation of risk for postnatal morbidity and mortality.
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