Abstract
The phasic arterial blood flow velocity at the renal hilus was measured by Doppler sonography in 25 healthy subjects and 78 patients with chronic glomerulonephritis. Doppler velocity waveform was analyzed to give peak systolic velocity (S), end-diastolic velocity (D), resistive index (RI), and pulsatility index (PI). Creatinine clearance correlated with S (r = 0.76), D (r = 0.80), RI (r = -0.74), and PI (r = -0.85). Color Doppler sonography facilitated the detection of blood flow and permitted the measurement of absolute blood flow velocity, which previously had been difficult to determine. These results suggest that renal arterial blood flow as detected by Doppler ultrasonography may be useful for noninvasive, direct, rapid, and simple evaluation of renal function, although various modifying factors also need to be considered.
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Schedule a callMore From: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
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