期刊
JOURNAL OF ULTRASOUND IN MEDICINE
卷 30, 期 4, 页码 529-545出版社
WILEY
DOI: 10.7863/jum.2011.30.4.529
关键词
ductus venosus; fetal venous system; intrauterine growth restriction; perinatal outcome; venous Doppler velocimetry
The management of growth-restricted fetuses requires accurate diagnosis to optimize the timing of delivery. Doppler velocimetry is the only noninvasive method for assessing the fetoplacental hemodynamic status. This review will give a critical overview of the current knowledge on fetal venous blood flow in pregnancies complicated by intrauterine growth-restricted fetuses. Adaptation of the circulation in intrauterine growth-restricted fetuses is described. Normal and abnormal venous Doppler waveforms are presented. Correlations of abnormal waveforms with the presence of acidemia and perinatal outcomes are emphasized. Limitations of venous Doppler velocimetry for optimizing the time for delivery and the perinatal outcome are also presented.
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