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Research Article

Prediction of perinatal outcome in preeclampsia using middle cerebral artery and umbilical artery pulsatility and resistance indices

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Pages 210-216 | Received 18 Apr 2015, Accepted 20 Dec 2015, Published online: 24 Feb 2016
 

ABSTRACT

Objective: In preeclampsia, changes in fetal hemodynamics can be detected 2–3 weeks earlier than any changes in cardiotocogram. Thus, these Doppler changes can be used to predict perinatal outcome. The present study is planned to assess the accuracy of the middle cerebral artery to umbilical artery (UA) pulsatility index (PI) and resistance index (RI) in predicting adverse perinatal outcome in pregnancies complicated by preeclampsia. Methods: Total of 115 and 108 pregnant women were included in preeclampsia and control group, respectively. Weekly Doppler study was done in both groups starting from 30 weeks till 36 weeks or delivery, whichever is later. Results: Mean gestational age at delivery was 250 ± 13 and 273 ± 8 days, respectively, in preeclampsia and control group (p < 0.01). Thirty-four babies in preeclampsia group had been admitted to nursery; out of which three died (p < 0.01). On receiver operating characteristic analysis, MCA /UmA PI ratio and MCA /UmA RI ratio had sensitivity of 9% and 9.7% and specificity of 98% and 96.6%, respectively, for predicting adverse perinatal outcome. Conclusion: Doppler indices of MCA and Um A are significantly abnormal in preeclampsia. But on diagnostic statistical analysis they have good specificity but low sensitivity for detecting adverse perinatal outcome.

Acknowledgment

This study is done under Council of Scientific and Industrial Research, New Delhi.

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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