Is there a correlation between aortic Doppler velocimetric findings in diabetic pregnant women and fetal outcome
1996
At present, the role of Doppler velocimetry in monitoring fetal well-being in diabetic pregnancies is controversial. The present study was conducted to determine if fetal aortic velocity waveforms were correlated with fetal outcome in pregnancies complicated by diabetes mellitus. Fetal aortic blood flow was prospectively assessed in 30 pregnant women with insulin-dependent diabetes mellitus. Systolic-diastolic ratios were obtained at 2 week intervals between 18 and 38 weeks of gestation. They were analyzed according to several fetal outcome variables. Infants with presumed fetal distress during labor and neonates with respiratory abnormalities (respiratory distress syndrome, persistent fetal circulation, or transient tachypnea of the newborn) showed statistically significant elevations of aortic Doppler indices (P 7 at 5 min in all but one neonate. No relationship was found between the mean third trimester fetal aortic systolic-diastolic ratios and perinatal death, preterm deliveries, birth weight, Apgar scores at 1 and 5 min, and neonatal metabolic abnormalities. These data demonstrate a poor correlation between fetal aortic Doppler waveform analysis and fetal outcome. Therefore, fetal aortic Doppler velocimetry cannot be used as a means of assessing impending fetal compromise in offspring of diabetic mothers.
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