Validation of miniature ultrasonic transit-time flow probes for measurement of renal blood flow in rats.

@article{Welch1995ValidationOM,
  title={Validation of miniature ultrasonic transit-time flow probes for measurement of renal blood flow in rats.},
  author={William J. Welch and X Deng and H. A. Snellen and Christopher S. Wilcox},
  journal={The American journal of physiology},
  year={1995},
  volume={268 1 Pt 2},
  pages={
          F175-8
        }
}
This study validates the accuracy of miniature ultrasonic transit-time flow probes for measuring renal blood flow (RBF) in the rat. Probes for 1-mm and 2-mm vessels were calibrated ex vivo using excised arteries at varying flow rates and hematocrit (Hct). Correlation between measured and true flow rates for the 2-mm probe were identical (r = 1.0) at both normal and subnormal Hct values. Correlation for the 1-mm probe was high (r = 0.994) at normal Hct, but varied at both high flow rates and… CONTINUE READING

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