Role of Colour Doppler and Spectral Flow Analysis in Pregnancy Induced Hypertension
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2018, Vol 3, Issue 3
Abstract
Background: The main purpose of providing antenatal care is to identify women at risk of complications as a result of impaired uteroplacental circulation such as Pregnancy induced hyper tension (PIH) and Preeclampsia. Objective: To evaluate the role of Color Doppler in predicting the fetal outcome in cases of pregnancy induced hypertension (PIH). Materials & Methods: A total of 60 cases of PIH with gestational age beyond 30 weeks were studied over a period of 12 months between April 2012 and March 2013 and subjected to color Doppler ultrasonography for studying uterine, umbilical & fetal middle cerebral arteries. We used S/D ratio of more than 2.6, RI more than 0.58, persistent early diastolic notch in uterine artery; S/D ratio of more than 3, RI more than 0.7, AEDV, REDV in umbilical artery; RI less than 0.7, PI less than 1.3 in middle cerebral artery were considered abnormal. The results were correlated with parameters of fetal outcome. Results: In our study of 60 hypertensive cases 35(58%) had abnormal indices and the rest 25 (42%) cases were normal. 30 (85%) out of 35 abnormal cases had umbilical artery S/D ratio of more than 3. Among abnormal cases, 26 babies (74%) had Apgar score <7 compared to 5 babies (20%) in normal cases (p<0.001). 22 babies (63%) with abnormal Doppler had NICU stay, out of which 14 (64%) had stay for more than 1 week. Out of six patients with AEDV, there were two still born, two neonatal deaths and another two recovered in NICU accounting to 66.6% mortality in AEDV cases. Conclusion: Doppler velocimetry is a primary tool for fetomaternal surveiliance and indispensable for the management of pregnancy induced hypertension patients. It helps to identify the fetuses at risk & predict perinatal morbidity &mortality.
Authors and Affiliations
Dr. P. S. Jikki Kalaiselvi
Keywords
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