Darstellbarkeit und Quantifizierung der Plazentadurchblutung im Plazentaperfusionsmodell
H. Jörn, B. Morgenstern, N. Kahn, H. Schmid-Schönbein, W. Rath · Geburtshilfe und Frauenheilkunde · 2004 · Heft 07 · S. 700-705
Bibliografische Angaben
Zusammenfassung
Abstract PURPOSE: Power Doppler signals were analysed to demonstrate and quantify placental blood flow. We studied the influence of the setting of the ultrasound machine as well as patient parameters and used them to distinguish between uncomplicated and high-risk pregnancies. In this study, our method was further evaluated using the isolated placental lobe. METHODS: One placental lobe of uncomplicated, term pregnancies was isolated and perfused (n = 15). Data concerning pressure and volume were adapted from experimental and human studies. Perfusion of fetal vessels as well as the intervillous space was carried…