Correlation between total deceleration area and fetal cord blood pH in neonates complicated with meconium-stained amniotic fluid at term

Shirel Matmor Loeub, Adi Y. Weintraub, Reut Rotem, Yael Geva, Shimrit Yaniv Salem

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Objective: To assess the correlation between total area under the Curve (AUC) of decelerations and accelerations and neonatal acidemia in pregnancies complicated with meconium-stained amniotic fluid (MSAF). Methods: A retrospective cohort study was conducted among women who delivered with a diagnosis of MSAF. Electronic fetal monitoring (EFM) patterns 120 min before delivery were interpreted by a researcher blinded to fetal outcomes. The primary outcome was fetal acidemia, defined as umbilical artery pH below 7.10. The correlation was tested using the Spearman correlation coefficient. Results: A total of 102 women were included; 24 delivered infants with cord blood pH < 7.20, and only five delivered infants with cord blood pH < 7.10. A significant correlation was demonstrated between total AUC of decelerations and accelerations and cord blood pH (P = 0.02). A sub-analysis according to gestational age at delivery (up to and beyond 40 weeks) was conducted. A significant correlation was demonstrated (P = 0.02) only in the term group(n = 37). Conclusion: A correlation was demonstrated between total AUC of decelerations and accelerations and cord blood pH in neonates with MSAF. This correlation was significant for neonates delivered before 40 weeks of gestation, but not for those delivered after 40 weeks of gestation.

    Original languageEnglish
    JournalInternational Journal of Gynecology and Obstetrics
    DOIs
    StateAccepted/In press - 1 Jan 2022

    Keywords

    • cord blood pH
    • deceleration area
    • electronic fetal monitoring
    • meconium-stained amniotic fluid
    • neonatal acidemia

    ASJC Scopus subject areas

    • Obstetrics and Gynecology

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