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Prediction of Fetal Acidosis by Blood Flow Velocity Waveform of the Fetal Descending Thoracic Aorta
태아 흉부 하강대동맥 혈류속도파형에 의한 태아의 산성증 예측

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Authors
Yoon, Bo Hyun; Roh, Cheong Rae; Kim, Seung Hyup; Syn, Hee Chul; Kim, Syng Wook
Issue Date
1991-03
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med, Vol.32 No.1, pp. 9-15
Keywords
Doppler ultrasoundAorta blood flow velocity waveformCord arterial pHFetal acidosisCesarean section
Abstract
Fetal descending thoracic aorta blood flow velocity waveforms were measured
in 63 pregnancies. They were either delivered by elective CIS before labor (56
patients) or suffered an antefartum fetal death (7 patients). There was a significant
correlation between the aorta waveforms and the cord arterial pH. A cord arterial pH
less than 7.20 or an intrauterine fetal death were used as our criteria for fetal acidosis.
Using the above criteria, the specificities and negative predictive values of these testings
in predicting fetal acidosis were over 80%. When fetal compromise was defined as either
fetal acidosis or fetal growth retardation, the positive predictive values of these studies
in forecasting fetal compromise heightened (range 81% to 92%) compared to those
in predicting fetal acidosis (range 56% to 75%), although other predictive values remained
similar. In conclusion, Doppler measurement of fetal descending thoracic aorta
flow velocity waveform may be a valuable adjunctive noninvasive method of fetal surveillance.
ISSN
0582-6802
Language
English
URI
http://hdl.handle.net/10371/6704
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 32 No.1 (1991)
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