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KMID : 0613119930060010233
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Journal of St. Benedict Hospital
1993 Volume.6 No. 1 p.233 ~ p.238
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Doppler Evaluation of Blood Flow Velocity Waveforms of Umbilical Artery and Descending Aorta in Normal and Pregnancy-Induced Hypertension
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이홍섭/Lee, Hong Seop
신규식/정종기/이란옥/김철/Shin, Kyu Sik/Chung, Jong Gi/Lee, Ran Ok/Kim, Chul
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Abstract
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The fetal arterial blood flow velocity wave forms from umbilical artery and descending aorta were obtained from 53 cases of normal pregnancies and 16 cases of pregnancies with pregnancy-induced hypertension with equipment of pulsed doppler ultrasound, and then the peak systolic blood flow versus end-diastolic blood flow ratios(S/D ratio) of these vessels were analysed.
The following. results were obtained
1. The mean S/D ratio of umbilical arterial blood flow velocity in 10 cases of pregnancies with pregnancy induced hypertension and 6 cases of pregnancies with pregnancy induced hypertension accompanying intrauterine growth retardtion were significantly higher than that in 30 cases of normal pregnancies after 36 weeks´ gestation. (2.47±0.29 in normal versus 2.83±0.28 in pregnancy-induced hypertension, p<0.05, 3.050.13 pregnancy induced hypertension with intrauterine growth retardation, p<0.005)
2. The mean S/D ratio of umbilical artery in pregnancies with prenancy-induced hypertension accompanying intrauterine growth retardation was significantly higher than that of the same artery in the rest of pregnancy-induced hypertension pregnancies (3. 05±0.13 versus 2.83±0.28, p<0.05)
3. The mean S/D ratios of descending aorta had no significant differance in two groups.
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