Key result
Power Doppler ultrasound demonstrated a monotonic, linear decrease in Doppler power as a function of successive dilutions of perfusate in a flow experiment.
Why the study?
Can power Doppler ultrasound accurately estimate the fraction of moving blood in tissue?
Population
In vitro flow tube model with moving scatterers and two clinical examples
Comparison
Power Doppler ultrasound measurements vs Successive dilutions of perfusate
Design
Preclinical
Authors
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Power Doppler response linear with blood dilution in animals; leaves open clinical utility for estimating tissue perfusion.
Can power Doppler ultrasound accurately estimate the fraction of moving blood in tissue?
Power Doppler ultrasound demonstrates a monotonic, linear decrease in Doppler power with successive dilutions, suggesting potential for estimating alterations in blood flow.
Rubin et al. (1995) studied this question. Power Doppler ultrasound was evaluated on Doppler power as a function of dilution. Power Doppler ultrasound demonstrated a monotonic, linear decrease in Doppler power as a function of successive dilutions of perfusate in a flow experiment.
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