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An assessment of the accuracy of renal blood flow estimation by Doppler ultrasound

An assessment of the accuracy of renal blood flow estimation by Doppler ultrasound

Li Wan, Natalie Yang, Chee-Yan Hiew, Anthony Schelleman, Lynne Johnson, Clive May, Rinaldo Bellomo
Intensive Care Med 2008; e-pub april

Doppler ultrasound has been proposed as a tool for the assessment of AKI risk and for monitoring renal blood flow. However it is not formally validated, because many factors may influence its accuracy. As an alternative there is the chronic implantation of transonic transit-time flow probes around major blood vessels. In this experimental study this method is applied to 6 sheep, and is compared with Doppler ultrasounds. Little correlation was found between the two methods; then, the Authors conclude that Doppler ultrasounds has limited accuracy and reproducibility.

 
 


       

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