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Doppler blood flow velocity waveforms in the fetal renal artery

✍ Scribed by K. Hecher; R. Spernol; S. Szalay


Publisher
Springer
Year
1989
Tongue
English
Weight
644 KB
Volume
246
Category
Article
ISSN
0003-9128

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Doppler blood velocity waveforms in the
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Doppler blood velocity waveforms were analyzed from the umbilical artery as an indication of fetal well-being. Since the ratio of systolic to diastolic peak flows (A/ B) reflects placental vascular resistance, an abnormality of this value may accurately predict compromised fetuses. Twenty-one studie

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Pulsed-Doppler examinations of blood-flow velocities in the umbilical ar- tery were carried out before and after 15 diagnostic cordocenteses and 34 fetal blood transfusions into the umbilical vein. There were decreases in the systolic/diastolic ratio (A/B) ( p < 0.01), the pulsatility index (PI) (p

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Pulsed Doppler blood-flow velocity waveforms in the umbilical arteries, as well as blood gases, hematocrit, and lactate concentration in umbilical venous blood, were examined in 21 patients undergoing 49 cordocentesis, 34 of which were followed by fetal blood transfusion into the umbilical vein. The

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✍ Deborah M. Friedman; Robert G. Schacht πŸ“‚ Article πŸ“… 1991 πŸ› John Wiley and Sons 🌐 English βš– 597 KB

Blood velocity waveforms in peripheral arteries vary such that decreasing vascular resistance results in a relative increase in diastolic velocity a t steady state. We measured blood velocity in renal arteries of 20 children (age: 119 months \* 37 months; weight: 38 kg 2 15 kg) to establish normal