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OBSTETRIC IMAGING Table of Contents   
Year : 2003  |  Volume : 13  |  Issue : 4  |  Page : 417-420
Role of color doppler in pregnancy induced hypertension (a study of 100 cases)

Department of Radiology and Imaging, VS General Hospital, Ahmedabad, India

Correspondence Address:
C J Bhatt
A/28, Ashok Tenements, Opposite Cadilla, Ghodasar, Ahmedabad - 380 050
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Source of Support: None, Conflict of Interest: None

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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 100 cases of PIH between 28 - 36 wks of gestation were studied over a period of 2 years. A color doppler scanner with a 3 - 5 MHz curvilinear probe was used for studying uterine, umbilical & fetal middle cerebral arteries. We used only S/D ratio as the indicator to evaluate perinatal outcome. The results of first doppler examination were taken into consideration for the study. Follow up study was done whenever required. S/D ratio of more than 3 in umbilical artery & more than 2.6 in uterine artery was considered abnormal. The results were correlated with parameters of fetal outcome. Results: In our study of 100 hypertensive cases 56% had abnormal S/D ratio in umbilical artery and/or uterine artery. 60% of these patients delivered IUGR babies. In patients with absent end diastolic velocity (AEDV) & reversed end diastolic velocity (REDV) perinatal mortality was 50% & 50% had IUGR babies. The fetuses with compromised circulation showed increased diastolic flow in fetal MCA suggestive of brain sparing effect. The results of abnormal umbilical artery were more significant than uterine artery in predicting perinatal outcome. The patients who had follow up studies, the improving S/D ratio suggested good fetal outcome whereas increasing S/D ratio showed poor fetal outcome. Conclusion: Color Doppler is an excellent tool for non-invasive hemodynamic monitoring of PIH patients. It helps to identify the fetuses at risk & predict perinatal morbidity & mortality. Doppler velocimetry can guide us in the treatment of these pregnancies & prevention of high mortality & morbidity in hypertensive patients

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