The Japanese Journal of Urology
Online ISSN : 1884-7110
Print ISSN : 0021-5287
ISSN-L : 0021-5287
RENAL TRANSPLANT BLOOD FLOW MEASUREMENT USING ULTRASONIC CONTRAST AGENTS
Tsukasa NishiokaSeiji MatsumotoEiji KonyaTakahiro AkiyamaTskeshi MatsuuraTakashi KuritaAtsushi Onoue
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2001 Volume 92 Issue 6 Pages 640-644

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Abstract

We studied the renal transplant blood flow using an ultrasonic contrast agent. The contrast medium was injected intravenously and produced blood flow enhancement for at least 60 seconds. Measuremements were made from the recorded Doppler spectra. Fourteen renal transplant recipients were inverstigated by color Doppler echography. Blood flow in the interlobular artery could be analyzed in all patients using a contrast, agent, as compared with 2 patients (14%) by a conventional method. The average maximum and minimum flow velocity of the interlobular arteries were 0.15m/sec and 0.04m/sec. In conclusion, an ultrasonic contrast agent is useful to accurately evaluate peripheral blood supply in renal transplants.

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