CORRELATION BETWEEN CEREBROPLACENTAL RATIO AND ADVERSE OUTCOMES IN INTRAUTERINE GROWTH RESTRICTION

Abstract

Objectives: To identify the values of CPR in intrauterine growth restriction and evaluate the correlation between cerebroplacental ratio and adverse outcomes in intrauterine growth restriction. Material and methods: A prospective study was conducted on 74 cases of intrauterine growth restriction with an estimated fetal weight less than 10th percentile, at Departement of Obstetric and Gynecology of Hue University of Medicine and Pharmacy from 05/2016 – 05/2017. CPR was calculated by PIMCA/PIUA.. The adverse outcomes included gestational age at delivery, methods used to delivery, APGAR score below 7 at 1 minutes and 5 minutes, admission at NICU, perinatal deaths, neonatals deaths. Results: The mean of CPR in group of early IUGR and late IUGR were 0.55 ± 0.14, 1.59 ± 0.69, respectively. The mean of CPR in group IUGR with an estimated fetal weight under the 3th percentile was 1.49 ± 0.76, lower than the mean of CPR in group IUGR with an estimated fetal weight from 3th percentile to 10th percentile. With cut – off at 1, CPR < 1 had the higher prevalence in group of early IUGR, in group IUGR with the estimated fetal weight below the 3th percentile, in group IUGR with hypoamniotic or oligohydramnios. The mean of gestational age at delivery of group IUGR with CPR < 1 and CPR >1 were 37.00 ± 3.18, and 38.59 ± 1.76, respectively. The rate of emergency cesarean section deliveries in the CPR < 1 and CPR > 1 group were 68.75% and 39.65%, respectively (p <0.05). Percentage of neonatal with APGAR ≤ 7 at 1 minute in the group with CPR < 1 and CPR > 1 were 56.25% and 22.41%, respectively. Rate of prenatal death was 12.5 in group IUGR with CPR < 1. Conclusion: There was a strong correlation between CPR and adverse outcomes in intrauterine growth restriction. Key words: intrauterine growth restriction, CPR ratio, middle cerebro artery, umbilical artery