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Correlation of Adverse Neonatal Outcomes Of Pregnant Women With Hypertensive Disorders Using The Middle Cerebral Artery And Umbilical Artery Pulsatility Index Ratio

Maharica J. Serrano, MD; Floriza C. Salvador, MD, FPOGS
Department of Obstetrics and Gynecology, Dela Salle University Medical Center

Background: Doppler velocimetry studies of placental and fetal circulation can provide important information regarding fetal well-being providing an opportunity to improve fetal outcome. The present study was undertaken to evaluate the role of middle cerebral to umbilical artery pulsatility index ratio (MCA/UA PI Ratio) as a predictor of perinatal outcome in hypertensive pregnant patients admitted from January 2009-December 2011 at the De La Salle-University Medical Center

Objectives: To correlate the neonatal outcomes of hypertensive pregnant women at 28-34 weeks AOG with the middle cerebral artery and umbilical artery pulsalitility index ratio.

Study Design: A retrospective cohort was done on records of patients with hypertension who delivered from January 2009 - December 2011. Doppler ultrasound results of said patients that were available at the OB-GYN ultrasound section were recorded and the MCA/UA PI Ratio computed. Doppler results were then compared to neonatal outcomes

Results: Results of the study shows that 10 out of the 17 hypertensive patients with decreased MCA/UA PI Ratio developed Intrauterine growth restriction. 62.5% of those patients who had normal MCA/UA PI Ratio results delivered term, while 87.5% of those who had decreased MCA/UA PI Ratio delivered preterm (P <0.002). However results of the MCA/UA PI ratio has no association on APGAR scores at 1 and 3 minutes.

Conclusion: Decreased MCA/UA PI Ratio results have an association on the development of adverse neonatal outcomes in hypertensive pregnant women.