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Renal arterial blood flow (RBF) was measured comparatively, using a miniaturized implantable doppler probe, in two groups of kidneys: the first (reference group) consisted of 11 native kidneys and the second of 10 kidney allografts (6 cadaveric and 4 living). We found that in group I, RBF remained almost unchanged after renal artery manipulation. In group II, the RBF values of cadaveric transplants are much lower than those of living related donors (103 ± 69 ml/min versus 272 ± 150 ml/min) and RBF decreases with cold ischemia time. Renal transplants show a significant flow decrease at 20 min due to cortical vasospasm following reperfusion and resulting in particular aspects of flow curves. We conclude that pulsed doppler can be used to monitor RBF in renal transplantation.
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Bensadoun et al. (1988) studied this question.
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