Ductus venosus versus cerebral transverse sinus Doppler velocimetry for predicting acidemia at birth in pregnancies complicated by placental insufficiency

Prenatal Diagnosis
Manoel Martins NetoA F Moron

Abstract

The objectives of this study is to compare ductus venosus (DV) and cerebral transverse sinus (CTS) Doppler velocimetry for predicting acidemia at birth in pregnancies complicated by placental insufficiency. A prospective cross-sectional study involving 69 cases. Doppler assessment of the DV and CTS was carried out in the last 24 hours prior to delivery. The sensitivity, specificity, positive and negative predictive values, and the accuracy and false-positive and false-negative rates were calculated for those parameters considered to be good predictors of acidemia. The McNemar test was used to compare the various parameters. The DV pulsatility index(PI), S/A, and (S - A)/S ratios as well as the CTS PI and the (S - A)/S ratio were good predictors of acidemia. The comparison between DV and CTS showed that for pulsatility index for veins, the sensitivity was 52.4% versus 66.7%, p = 0.508; the specificity was 81.2% versus 77.1%, p = 0.774; and the accuracy was 72.5% versus 73.9%, p = 1.00. For the (S - A)/S ratio the sensitivity was 52.4% versus 52.4%, p = 1.00; the specificity was 85.4% versus 79.2%, p = 0.508; and the accuracy was 75.4% versus 71%, p = 0.647. In pregnancies with placental insufficiency, the PI and the (S - A)/S ra...Continue Reading

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Apr 5, 2017·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Joel BaronReli Hershkovitz

Related Concepts

Metabolic Acidosis
Prevalence Studies
Fetal Growth Retardation
Hydrogen-Ion Concentration
Placental Insufficiency
Antenatal Screening Procedures
Pulsatile Flow
Statistical Sensitivity
Structure of Umbilical Artery
Veins

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