Umbilical vein blood flow determination in the ovine fetus: comparison of Doppler ultrasonographic and steady-state diffusion techniques.

@article{Galan1999UmbilicalVB,
  title={Umbilical vein blood flow determination in the ovine fetus: comparison of Doppler ultrasonographic and steady-state diffusion techniques.},
  author={Henry L. Galan and Marcin J{\'o}zwik and Serena Rigano and Timothy R H Regnault and John C. Hobbins and Frederick C. Battaglia and Enrico Ferrazzi},
  journal={American journal of obstetrics and gynecology},
  year={1999},
  volume={181 5 Pt 1},
  pages={1149-53}
}
OBJECTIVE This study was undertaken to assess the accuracy of triplex ultrasonographic measurement of venous umbilical blood flow in comparison with the steady-state diffusion technique and to determine the impact of cotyledon weight and number on umbilical blood flow. STUDY DESIGN Six late-gestation ewes with long-term catheter placement were studied for venous umbilical blood flow with the ethanol steady-state diffusion technique and with triplex-mode ultrasonography (color Doppler, pulsed… CONTINUE READING

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