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Assessment of placental blood flow between 22 and 34 weeks of gestation by 3D-sonography power Doppler vascular indices

Assessment of placental blood flow between 22 and 34 weeks of gestation by 3D-sonography power Doppler vascular indices,10.1007/s00404-010-1595-x,Arch

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Assessment of placental blood flow between 22 and 34 weeks of gestation by 3D-sonography power Doppler vascular indices   (Citations: 1)
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Purpose  To analyze and compare the vascular flow in different parts of the placenta of normal pregnant women between 22 and 34 weeks of gestation through three-dimensional power Doppler ultrasonography (3D power Doppler) vascular indices. Methods  This is a cross-sectional study involving 55 normal pregnant women with gestational ages between 22 and 34 weeks. The vascularization index (VI), flow index (FI) and vascularization flow index (VFI) were obtained using the virtual organ computer-aided analysis (VOCAL) method both in the region of placental cord insertion and the peripheral region of the placenta. The Wilcoxon test was applied, adopting a significance level of 5% to evaluate possible differences in these indices between study areas. Results  For the three indices examined (VI, FI and VFI), a statistically significant difference was obtained between the insertion of the umbilical cord, designated as the center, and the placental periphery on both the right (p p = 0.001 for FI and p p p p = 0.001 for VFI), taken as the average of the rates obtained in the two peripheries (p p p = 0.003 for VFI). Differences were not found when the two peripheral areas were compared or if placenta was anterior or posterior (p > 0.05). Conclusion  There is a statistically significant difference between the vascular indices obtained with a 3D power Doppler at different points of the placenta.
Journal: Archives of Gynecology and Obstetrics - ARCH GYNECOL OBSTET , vol. 284, no. 1, pp. 53-57, 2011
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    • ...This allowed us to gather full information on placental vasculature and should not be underestimated as, due to high regional variability of placental perfusion, there are significant differences in the values of vascularization index, flow index, and vascularization-flow index between different regions of the placenta [9, 10]...
    • ...et al. [9, 10], have also concluded that even in normal pregnancies, significant differences between the values of placental vascular indices (VI, FI, VFI) obtained from different regions of the placenta can be found...

    Michal Pomorski, et al. Comparative analysis of placental vasculature and placental volume in ...

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