Preeclampsia and fetal growth restriction are responsible for the majority of maternal and perinatal morbidity and mortality associated with complicated pregnancies. Although their etiologies are complex and multifactorial, both are associated with increased uterine artery resistance. Sildenafil citrate is able to rescue the dysfunction observed ex vivo in uterine arteries of women with preecla...

Objective: To evaluate the value of Doppler velocimetry of umbilical and middle cerebral arteries and amniotic fluid volume in the surveillance of post term pregnancies. Design: Cross sectional study. Setting: Kasr El-Aini Hospital. Materials and Methods: Forty pregnant ladies with a gestational age of more than 41 weeks were compared to 40 pregnant ladies with gestational age ranging from 37 t...

OBJECTIVE To investigate the hypothesis that alterations in heart rate variability, peak systolic velocity variability and time-averaged velocity variability in the human umbilical artery may predict early signs of dysfunctional fetal-placental coupling in pregnancies that later develop pregnancy-induced hypertension. METHODS Doppler flow velocity recordings from the umbilical artery were per...

BACKGROUND/AIM The aim of this study is to examine the relationship between placental localisation, birth weight, and foetal sex. It also evaluates umbilical artery Doppler parameters and their relationship with placental localisation. MATERIALS AND METHODS This is a retrospective study of 500 healthy pregnant women who gave birth at our university. All women had undergone a detailed ultrasou...

The report on “bleeding and fetal Doppler parameter” is very interesting (1). Iskender et al. reported that “bleeding during genetic amniocentesis did not change umbilical artery and middle cerebral artery Doppler parameters (1).” The finding might not applicable to all cases. In cases with pathology, an aberration might be possible. For example, in the case with intrauterine growth restriction...

PURPOSE To evaluate the anthropometric characteristics of morbidity and mortality of premature newborns (NB) of hypertensive mothers according to the presence or absence of flow (DZ) or reverse (DR) diastolic flow in the dopplervelocimetry of the umbilical artery. METHODS A prospective study was conducted on preterm newborns of pregnant women with hypertension between 25 and 33 weeks of gesta...

Amniotic fluid volume measurement forms an integral part of antenatal fetal monitoring in routine obstetric scans. Oligohydramnios has been identified as the leading cause of increased perinatal morbidity and mortality. Doppler ultrasound is extremely helpful in evaluating maternal and fetal hemodynamics in this scenario. In this study, we focus on the role of umbilical artery doppler velocimet...

We examined vena cava Doppler flow velocity tracings from 69 fetuses between 22 and 40 weeks' gestation. Twenty-three fetuses had arrhythmias. Fifteen fetuses had absent end-diastolic Doppler velocities in the umbilical artery, a condition associated with intrauterine growth retardation, and 15 normal fetuses with normal umbilical artery Doppler velocity ratios were matched by gestational age. ...

Fifty-three high-risk pregnancies were followed up serially with Doppler velocimetry of the umbilical artery and uterine vessels from early on to investigate whether abnormalities in Doppler waveforms can predict the outcome of pregnancy accurately before other clinical signs develop. Results of Doppler velocimetry were withheld from the clinicians managing the patients. When the absence of end...

OBJECTIVES The aim of this study was to evaluate the use of ultrasound assessment to predict risk of mortality in expectantly managed monochorionic twin fetuses with selective intrauterine growth restriction (sIUGR). METHODS This was a retrospective study of 101 monochorionic twin pregnancies diagnosed with sIUGR before 26 weeks of gestation. All patients were under expectant management durin...