Comparison of steady-state diffusion and transit time ultrasonic measurements of umbilical blood flow in the chronic fetal sheep preparation

OBJECTIVE: Our purpose was to measure umbilical blood flow continuously by use of a transit time ultrasonic flow transducer and to compare the blood flow measurements with the steady-state diffusion method in the chronic fetal sheep preparation. STUDY DESIGN: We compared umbilical blood flow measure...

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Veröffentlicht in:	American journal of obstetrics and gynecology 1996-05, Vol.174 (5), p.1456-1460
Hauptverfasser:	Sokol, Gregory M., Liechty, Edward A., Boyle, David W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences Diffusion Female Fetal Blood - diagnostic imaging Fetal Blood - physiology fetal sheep Fetus - metabolism Gynecology. Andrology. Obstetrics Homeostasis Management. Prenatal diagnosis Medical sciences Oxygen Consumption Pregnancy Pregnancy. Fetus. Placenta Regional Blood Flow Rheology - methods Sheep - embryology steady-state diffusion Time Factors transit time ultrasonic flow transducer Ultrasonography, Prenatal Umbilical blood flow
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