Cord blood 8-isoprostane in the preterm infant

Karen Mestan, Nana Matoba, Lester Arguelles, Candace Harvey, Linda M. Ernst, Kathryn Farrow, Xiaobin Wang

Research output: Contribution to journalArticle

Abstract

Background: Cord blood 8-isoprostane (8-IP) is a marker of lipid peroxidation in the peripartum period. The independent association with degree of prematurity is not well-described. Objective: To identify patterns of lipid peroxidation among early, moderate and late preterm infants, and to understand how cord blood 8-IP varies with gestational age (GA) and related covariates. Study design: Mother-infant pairs from 237 preterm births were studied as part of a longitudinal birth cohort study. GA subgroups were defined as extremely (≤ 28w), moderately (29-33w), and late (34-36w) preterm. Cord blood 8-IP was measured using EIA. Elevated 8-IP (4th quartile) was the primary outcome for multivariate logistic regression models, which were adjusted for maternal age/race, multiple gestation and infant gender, as well as other relevant covariates. Results: Elevated 8-IP was associated with extremely preterm birth (OR = 4.31; 95% CI = 1.90, 9.76), and was inversely associated with increasing GA (OR = 0.88; 95% CI = 0.80, 0.97). Elevated 8-IP was also associated with decreasing birth weight (BW), clinical chorioamnionitis, fetal inflammatory response of the placenta (FIR), and signs of perinatal depression. The GA on 8-IP association appeared to be modified by several maternal disease and fetal-infant factors. Lastly, the indirect associations between log-transformed 8-IP, GA and BW appeared to be most prominent for GA <30w and for BW <2000 g. Conclusion: Lipid peroxidation in preterm birth, and the relative influence of accompanying peripartum factors, varies according to degree of prematurity. These findings have important implications for the developmental regulation of antioxidant defense and its impact on neonatal outcomes.

Original languageEnglish (US)
Pages (from-to)683-689
Number of pages7
JournalEarly Human Development
Volume88
Issue number8
DOIs
StatePublished - Aug 2012
Externally publishedYes

Fingerprint

8-epi-prostaglandin F2alpha
Fetal Blood
Premature Infants
Gestational Age
Premature Birth
Birth Weight
Lipid Peroxidation
Peripartum Period
Logistic Models
Mothers
Fetal Diseases
Chorioamnionitis
Maternal Age

Keywords

  • Cord blood
  • Low birth weight
  • Oxidant stress
  • Placenta
  • Premature infant

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

Cite this

Mestan, K., Matoba, N., Arguelles, L., Harvey, C., Ernst, L. M., Farrow, K., & Wang, X. (2012). Cord blood 8-isoprostane in the preterm infant. Early Human Development, 88(8), 683-689. https://doi.org/10.1016/j.earlhumdev.2012.02.002

Cord blood 8-isoprostane in the preterm infant. / Mestan, Karen; Matoba, Nana; Arguelles, Lester; Harvey, Candace; Ernst, Linda M.; Farrow, Kathryn; Wang, Xiaobin.

In: Early Human Development, Vol. 88, No. 8, 08.2012, p. 683-689.

Research output: Contribution to journalArticle

Mestan, K, Matoba, N, Arguelles, L, Harvey, C, Ernst, LM, Farrow, K & Wang, X 2012, 'Cord blood 8-isoprostane in the preterm infant', Early Human Development, vol. 88, no. 8, pp. 683-689. https://doi.org/10.1016/j.earlhumdev.2012.02.002
Mestan K, Matoba N, Arguelles L, Harvey C, Ernst LM, Farrow K et al. Cord blood 8-isoprostane in the preterm infant. Early Human Development. 2012 Aug;88(8):683-689. https://doi.org/10.1016/j.earlhumdev.2012.02.002
Mestan, Karen ; Matoba, Nana ; Arguelles, Lester ; Harvey, Candace ; Ernst, Linda M. ; Farrow, Kathryn ; Wang, Xiaobin. / Cord blood 8-isoprostane in the preterm infant. In: Early Human Development. 2012 ; Vol. 88, No. 8. pp. 683-689.
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abstract = "Background: Cord blood 8-isoprostane (8-IP) is a marker of lipid peroxidation in the peripartum period. The independent association with degree of prematurity is not well-described. Objective: To identify patterns of lipid peroxidation among early, moderate and late preterm infants, and to understand how cord blood 8-IP varies with gestational age (GA) and related covariates. Study design: Mother-infant pairs from 237 preterm births were studied as part of a longitudinal birth cohort study. GA subgroups were defined as extremely (≤ 28w), moderately (29-33w), and late (34-36w) preterm. Cord blood 8-IP was measured using EIA. Elevated 8-IP (4th quartile) was the primary outcome for multivariate logistic regression models, which were adjusted for maternal age/race, multiple gestation and infant gender, as well as other relevant covariates. Results: Elevated 8-IP was associated with extremely preterm birth (OR = 4.31; 95{\%} CI = 1.90, 9.76), and was inversely associated with increasing GA (OR = 0.88; 95{\%} CI = 0.80, 0.97). Elevated 8-IP was also associated with decreasing birth weight (BW), clinical chorioamnionitis, fetal inflammatory response of the placenta (FIR), and signs of perinatal depression. The GA on 8-IP association appeared to be modified by several maternal disease and fetal-infant factors. Lastly, the indirect associations between log-transformed 8-IP, GA and BW appeared to be most prominent for GA <30w and for BW <2000 g. Conclusion: Lipid peroxidation in preterm birth, and the relative influence of accompanying peripartum factors, varies according to degree of prematurity. These findings have important implications for the developmental regulation of antioxidant defense and its impact on neonatal outcomes.",
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AB - Background: Cord blood 8-isoprostane (8-IP) is a marker of lipid peroxidation in the peripartum period. The independent association with degree of prematurity is not well-described. Objective: To identify patterns of lipid peroxidation among early, moderate and late preterm infants, and to understand how cord blood 8-IP varies with gestational age (GA) and related covariates. Study design: Mother-infant pairs from 237 preterm births were studied as part of a longitudinal birth cohort study. GA subgroups were defined as extremely (≤ 28w), moderately (29-33w), and late (34-36w) preterm. Cord blood 8-IP was measured using EIA. Elevated 8-IP (4th quartile) was the primary outcome for multivariate logistic regression models, which were adjusted for maternal age/race, multiple gestation and infant gender, as well as other relevant covariates. Results: Elevated 8-IP was associated with extremely preterm birth (OR = 4.31; 95% CI = 1.90, 9.76), and was inversely associated with increasing GA (OR = 0.88; 95% CI = 0.80, 0.97). Elevated 8-IP was also associated with decreasing birth weight (BW), clinical chorioamnionitis, fetal inflammatory response of the placenta (FIR), and signs of perinatal depression. The GA on 8-IP association appeared to be modified by several maternal disease and fetal-infant factors. Lastly, the indirect associations between log-transformed 8-IP, GA and BW appeared to be most prominent for GA <30w and for BW <2000 g. Conclusion: Lipid peroxidation in preterm birth, and the relative influence of accompanying peripartum factors, varies according to degree of prematurity. These findings have important implications for the developmental regulation of antioxidant defense and its impact on neonatal outcomes.

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