Correlation of abnormal umbilical artery Doppler Indices and mode of delivery in intrauterine growth restriction

Ganju, Sunite A; Dhiman, Bishan; Sood, Nishi

doi:10.4103/tjog.tjog_79_19

Cited by 2 publications

(1 citation statement)

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“…За последние несколько лет были разработаны и согласованы определения ЗРП, которые включают допплеровские индексы функции/дисфункции плаценты во время беременности, чтобы обеспечить более надежную оценку патологической ЗРП [5,6]. Этиология многих неблагоприятных последствий ЗРП возникает внутриутробно из-за гипоксии плода и недостатка питательных веществ, вторичных по отношению к дисфункции плаценты, при этом адаптация гемодинамики плода внутриутробно закладывает основу для изменения структуры и функций органов в неонатальном периоде и после него.…”

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Fetal Hypoxia and Uterine Blood Flow in Patients With Fetal Growth Retardation

ALIEVA

2023

jecm

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Purpose: to assess fetal hypoxia and blood flow in the umbilical and middle cerebral arteries in fetal growth retardation (FGR). 97 pregnant women were examined, of which 77 had pregnancy complicated by FGR (main group), 20 women had pregnancy without complications (control group). The gestation period is 37-38 weeks. Measured blood gases (CO2 and pCO2), pH in the umbilical artery and vein. The systolic/diastolic ratio (S/D) was determined in the umbilical artery and middle cerebral artery (MCA); pulsation index (PI), resistance index (RI) and cerebroplacental ratio (CPR). FGR type 1 was diagnosed in 57.1% of cases, FGR type 2 in 42.9% of cases. The pH value in the umbilical artery and venous blood in the main group was on average significantly lower than in the control group (p<0.001, respectively). The average pO2 level was reduced in the main group in the umbilical artery (p=0.009) and in the venous blood (p=0.002). The average value of pCO2 in cord blood of the main group was significantly increased in arterial blood (p=0.035) and venous blood (p<0.001). The average values of S/D, PI and RI of the umbilical artery were significantly higher in the main group compared to the control (p<0.05). In MCA, the S/D indicator was lower (p=0.045). The CPR value in the main group was 28.7% lower than in the control group (p=0.086). In the main group, CPR correlated with all blood gases with an average, statistically significant relationship, and an average inverse relationship was noted with pCO2 (r=-0.577, p=0.054). Doppler indices (PI, RI) of the umbilical and middle cerebral arteries, as well as the cerebro-placental ratio, should be measured during prenatal monitoring of pregnancies with IGR, and should be an integral part of the assessment of a fetus with growth retardation.

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Fetal Hypoxia and Uterine Blood Flow in Patients With Fetal Growth Retardation

ALIEVA

2023

jecm

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Comparative analysis of umbilical artery doppler indices of normal and suspected IUGR fetuses in the third trimester

Nnamani

Ibewuike

Okere

et al. 2021

Nigerian Journal of Clinical Practice

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Background: Intrauterine growth restriction (IUGR) is an important cause of perinatal morbidity and mortality, the prevalence of which is six times higher in developing countries. The sequelae of IUGR extend into adulthood with higher risk of neurodegenerative diseases for the patients. Umbilical artery (UA) Doppler is an affordable and noninvasive tool for predicting perinatal outcome in IUGR pregnancies. Aims: The objective of this study is to compare the predictive ability of UA Doppler ultrasonography in discriminating normal from growth-restricted pregnancies and to find out if there is any relationship between antenatal Doppler indices and perinatal outcomes. Patients and Methods: This is a cross-sectional study including 100 normal and 100 IUGR-suspected pregnancies, respectively. Each participant had a third trimester UA Doppler scan. Data were analyzed using SPSS version 18.0 (PASW Statistics for Windows, Version 18.0, Chicago: SPSS Inc.). Means were compared using Student's t-test and ANOVA. Tests of relationship and prediction were done using linear regression analysis and receiver operating characteristics. P ≤ 0.05 was considered statistically significant. Results: As pregnancy advanced, the mean values of UA Doppler indices decreased in normal and IUGR fetuses; however, they were significantly higher in the latter. UA systolic/diastolic (S/D) ratio showed the highest sensitivity (0.80) and specificity (0.91) for predicting IUGR compared to PI and RI. Cutoff values for PI, RI, and S/D ratio were 0.93, 0.67, and 2.93, respectively. Conclusion: IUGR fetuses had higher UA flow velocimetric indices compared with normal fetuses. UA Doppler study is highly sensitive in the prediction of IUGR.

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Correlation of abnormal umbilical artery Doppler Indices and mode of delivery in intrauterine growth restriction

Cited by 2 publications

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Fetal Hypoxia and Uterine Blood Flow in Patients With Fetal Growth Retardation

Fetal Hypoxia and Uterine Blood Flow in Patients With Fetal Growth Retardation

Comparative analysis of umbilical artery doppler indices of normal and suspected IUGR fetuses in the third trimester

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