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Year : 2019  |  Volume : 26  |  Issue : 2  |  Page : 106-112

Uterine and umbilical artery doppler in women with pre-eclampsia and their pregnancy outcomes

1 Department of Radiology, College of Medicine University of Ibadan, Ibadan, Nigeria
2 Department of Obstetrics and Gynaecology, College of Medicine University of Ibadan, Ibadan, Nigeria

Correspondence Address:
Dr. Adebola Roberts
Department of Obstetrics and Gynaecology, College of Medicine, University of Ibadan, Ibadan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/npmj.npmj_161_18

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Background: Pre-eclampsia (PE) is an important public health menace in both developed and developing countries with high maternal and perinatal morbidity and mortality globally. A major goal towards improving antenatal management of PE is to develop accurate prediction models that identify women at high risk of this disease for appropriate interventions. Methodology: In a longitudinal cohort study, high-risk singleton pregnant women enroled between April 2015 and February 2016 had uterine and umbilical artery Doppler sonography at 22–24 weeks and 32–34 weeks gestation and had their delivery outcomes documented by the obstetrician and gynaecologist. The peak systolic velocity (PSV), end-diastolic velocity (EDV), Resistivity Index (RI), Pulsatility Index (PI) and the systolic-diastolic ratio (S/D) were recorded. Results: Among the ninety-eight high-risk pregnant women, 61 (62.2%) developed PE and 32 (32.8%) did not have PE. In the PE cases, 15 (24.5%) were mild and 46 (74.5%) were severe PE. The uterine artery PI was significantly associated with PE. A unit increase in uterine PI in high-risk pregnancies, increases the odd of PE by 37.37 times (95% confidence interval; odds ratio = 6.09, 241.9; P < 0.001). The combination of the uterine and umbilical PSV predicted 80.3% of severe PE. All three spontaneous abortions were in women who developed PE, more caesarean section (48.4%) and 69.2% of 45 pre-term deliveries occurred in women with severe PE. Conclusion: The findings from this study show significantly lower uterine and umbilical arteries PSV and EDV but higher RI, PI and S/D in cases that developed PE. The uterine artery PI is the best predictor of PE, whereas the combinations of uterine and umbilical arteries PSV best predict severity of PE among high-risk pregnant Nigeria women.

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