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Radiology. 1998 Dec;209(3):867-71.

Hepatic Doppler perfusion index: measurement in nine healthy volunteers.

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Department of Radiology, Leeds General Infirmary, England.


Nine healthy volunteers were studied to validate the reproducibility of the Doppler perfusion index--the ratio of hepatic arterial to total liver blood flow--and to evaluate the method of its derivation and the influence of the variable parameters necessary for its calculation. Wide intraobserver variability was observed, and Doppler perfusion index values were consistently outside the previously reported normal range.

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