Changes in ultrasonic Doppler backscattered power downstream of concentric and eccentric stenoses under pulsatile flow.

@article{Cloutier1995ChangesIU,
  title={Changes in ultrasonic Doppler backscattered power downstream of concentric and eccentric stenoses under pulsatile flow.},
  author={Guy Cloutier and Louise Allard and Louis-Gilles Durand},
  journal={Ultrasound in medicine & biology},
  year={1995},
  volume={21 1},
  pages={59-70}
}
The main objective of the present work was to investigate, under pulsatile flow, the patterns of variation of the Doppler power backscattered by blood and Sephadex particles upstream and downstream of concentric and eccentric stenoses ranging from 47% to 91% area reduction. Doppler measurements were performed at 5 diameters upstream and 5, 10, 15 and 20 diameters downstream of the constriction. For the concentric 75% and 85%, and the eccentric 79% and 91% area reduction stenoses, a progressive… CONTINUE READING

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