Angiogenic factors for the prediction of pre-eclampsia in women with abnormal midtrimester uterine artery Doppler velocimetry |
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Authors: | Abdalla E. Diab Manal M. El-Behery Moustafa A. Ebrahiem Amal E. Shehata |
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Affiliation: | Department of Obstetrics and Gynecology, Faculty of Medicine, Zagazig University, Egypt. abdalladiab@hotmail.com |
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Abstract: | OBJECTIVE: To determine whether assessing uterine perfusion and angiogenic factors concurrently in the second trimester improves the prediction of pre-eclampsia and intrauterine growth restriction (IUGR). METHOD: Plasma levels of soluble fms-like tyrosine kinase 1 (sFlt-1) and placental growth factor (PlGF) were measured for 108 women with abnormal uterine perfusion on Doppler velocimetry in the 23rd week. Later, 33 cases of pre-eclampsia and 9 of IUGR developed. RESULTS: Compared with the plasma levels of the women whose pregnancies remained normal, sFlt-1 levels were significantly higher and PlGF levels significantly lower in the women whose pregnancies became complicated by pre-eclampsia and/or IUGR (P<0.001). The alterations were more pronounced in cases of early-onset pre-eclampsia and in cases of IUGR that necessitated delivery before 34 weeks. Using the sFlt-1/PlGF ratio, these complications could be predicted with 98% sensitivity, 95% specificity, and 93% positive predictive value. CONCLUSION: Measuring uterine perfusion and angiogenic factors concurrently in the second trimester improved the prediction of pre-eclampsia and IUGR. |
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Keywords: | Angiogenic factors Doppler ultrasound Pre-eclampsia |
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