J Korean Pediatr Soc.  2003 Sep;46(9):865-870.

Umbilical Cord Arterial Concentrations of Isoprostane(8-iso-PGF2alpha) in Newborn Infants

Affiliations
  • 1Department of Pediatrics, College of Medicine, Dankook University, Cheonan, Korea. ychang@dku.edu

Abstract

PURPOSE
We measured the umbilical cord arterial concentrations of isoprostane(8-iso-PGF2alpha) and intended to decide whether the umbilical cord arterial concentrations of isoprostane could be used as a useful parameter for lipid peroxidation in newborn infants.
METHODS
The isoprostane and malondialdehyde(MDA) concentrations of the umbilical cord were measured by enzyme immunoassay and TBARS(thiobarbituric acid reactive substance) assay in 33 preterm and 28 term infants, respectively. The concentrations of isoprostane and MDA were compared between preterm infants and term infants, and were analysed for association with perinatal risk factors and neonatal complications.
RESULTS
Umbilical cord arterial concentrations of isoprostane were 704.7+/-635.6 pg/mL and 421.9+/-306.5 pg/mL in preterm and term infants, respectively. Umbilical cord arterial concentrations of MDA were 44.0+/-22.9 micrometer/L and 26.2+/-10.7 micrometer/L in preterm and term infants, respectively. Umbilical cord arterial concentrations of isoprostane and MDA in preterm infants were significantly higher than those in term infants(P<0.05). The umbilical cord arterial concentrations of isoprostane were significantly associated with perinatal risk factors such as fetal distress, oligohydramnios, and breech delivery in preterm infants and pregnancy-induced hypertension in term infants(P<0.05).
CONCLUSION
Umbilical cord arterial concentrations of isoprostane in preterm infants were higher than those in term infants, and those are significantly associated with some perinatal risk factors.

Keyword

Isoprostane; 8-iso-PGF2alpha; Lipid peroxidation; Newborn

MeSH Terms

Female
Fetal Distress
Humans
Hypertension, Pregnancy-Induced
Immunoenzyme Techniques
Infant
Infant, Newborn*
Infant, Premature
Isoprostanes
Lipid Peroxidation
Oligohydramnios
Pregnancy
Risk Factors
Umbilical Cord*
Isoprostanes
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