Assessment of Three Dimensional Color Power Doppler Technique for Detecting Fetal Renal Vascular Perfusion in Pregnant Women with Gestational Hypertension
Assessment of Three Dimensional Color Power Doppler Technique for Detecting Fetal Renal Vascular Perfusion in Pregnant Women with Gestational Hypertension
Hong Liu and Rui Xu*
ABSTRACT
The main objective was to investigate the application value of three-dimensional color power angiography (3D-CPA) in detecting fetal renal blood perfusion in pregnant women with gestational hypertension. One-hundred single-fetal pregnant women diagnosed with gestational hypertension in our hospital from June 2017 to December 2019 were enrolled in the study. They were divided into mild prehypertension group (50 cases) and severe prehypertension group (50 cases). Another 50 cases of normal single-fetal pregnant women were selected as the control group. Within three months, all single-pregnant women received the measurement of the 3D-CPA vascularization index (VI) and flow index (FI) of the fetal kidney and the vascularization flow index (VFI) in the early pregnancy. In addition, blood flow parameters of the uterine artery and fetal umbilical artery of the pregnant woman were correlated at the 12th week and the 22nd week. We found that FI, VI and VFI decreased in the mild and severe prehypertension groups were compared with the control group (P<0.05). There was a certain correlation of blood flow parameters of pregnant women’s uterine artery and fetal umbilical artery with fetal kidney VI and FI which decreased in women with 12 and 22 weeks of pregnancy. Among all the measured parameters, fetal kidney FI showed the best sensitivity for the detection of fetal kidneys in patients with pregnancy-induced hypertension. It is concluded that 3D-CPA ultrasonography could be used to quantitatively analyze fetal kidneys with gestational hypertension in pregnancy, providing a quantitative basis for prenatal diagnosis of fetal renal blood perfusion in patients with gestational hypertension. It could also be used to detect risk pregnancy in early pregnancy.
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