First-Trimester Placental and Myometrial Blood Perfusion Measured by Three-Dimensional Power Doppler in Preeclampsia

American Journal of Perinatology
Suzanne DemersEmmanuel Bujold

Abstract

The study aims to evaluate first-trimester vascularization of the placenta and subplacental myometrium in women who subsequently develop preeclampsia. A case-control study nested in a prospective cohort was conducted in women with singleton pregnancy between 11 and 14 weeks' gestation. Three-dimensional standardized acquisition of the placenta and subplacental myometrium volumes with and without power Doppler was undertaken, and all participants were followed up until delivery. Each woman diagnosed with preeclampsia was matched with three controls who delivered at term without pregnancy complications. First-trimester volume, vascularization index (VI), flow index (FI), and vascular flow index (VFI) of the entire placenta and subplacental myometrium were measured separately. The results were stratified for preterm and term preeclampsia, respectively. A total of 1,034 women were recruited, including 16 (1.5%) who developed term preeclampsia and 4 (0.4%) who developed preterm preeclampsia. Preeclampsia was associated with a significantly lower placental VI, placental VFI, subplacental VI, and subplacental VFI in the first trimester than with the controls (all p < 0.05). All cases (4/4) of preterm preeclampsia, 56% (9/16) of term p...Continue Reading

Citations

Sep 20, 2016·American Journal of Obstetrics and Gynecology·Stéphanie RobergeEmmanuel Bujold
Oct 16, 2018·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·A SotiriadisUNKNOWN ISUOG CSC Pre-eclampsia Task Force
Nov 11, 2017·Acta Obstetricia Et Gynecologica Scandinavica·Ignatia F ReijndersMaria P H Koster

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