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Umbilical artery Doppler study as a predictive marker of perinatal outcome in preterm small for gestational age infants.

Authors
Byun, YJ; Kim, HS; Yang, JI; Kim, JH; Kim, HY; Chang, SJ
Citation
Yonsei medical journal, 50(1):39-44, 2009
Journal Title
Yonsei medical journal
ISSN
0513-57961976-2437
Abstract
PURPOSE: To evaluate the merit of umbilical artery Doppler study as a predictive marker of perinatal outcome in preterm small for gestational age (SGA) infants. MATERIALS AND METHODS: A total of 218 patients at 27 - 36 weeks of gestational age (GA) who received antenatal umbilical artery Doppler velocimetry and delivered singleton infants with SGA. The ratio of peak-systolic to end-diastolic blood flow velocities (S/D) in the umbilical artery was measured in each patient. The patients were divided into 3 groups: the normal group with S/D ratios of less than 95th percentile (n = 134), elevated S/D ratio group of 95th or more percentile (n = 41), and those with absent/reversed end diastolic flow (n = 43). Maternal characteristics and neonatal outcomes of these groups were comparatively analyzed. RESULTS: The gestational age (GA) at the time of diagnosis of SGA, the mean GA at delivery, and the mean birth weight showed statistically significant difference among three groups (p < 0.001). Also, poor perinatal outcome was significantly increased in infants with abnormal S/D ratio (13.4% vs. 31.7% vs. 67.4%, p < 0.001). Multivariate logistic regression analysis revealed umbilical artery Doppler study as a significant independent factor for prediction of poor perinatal outcome (odds ratio: 3.7, 95% confidence interval 1.4 - 9.5, p = 0.007). CONCLUSION: Antenatal umbilical artery Doppler velocimetry is shown as a significantly efficient marker in predicting perinatal outcome in preterm SGA infants.
MeSH terms
Blood Flow VelocityFemaleHumansInfant, NewbornInfant, Small for Gestational Age*Multivariate AnalysisPredictive Value of TestsPregnancyPregnancy Outcome*Retrospective StudiesUltrasonography, Doppler/methods*Ultrasonography, Prenatal/methods*Umbilical Arteries/ultrasonography*
DOI
10.3349/ymj.2009.50.1.39
PMID
19259346
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Obstetrics & Gynecology
AJOU Authors
김행수양정인김호연장석준
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