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ficient clinical events. A consensus on a single vessel area for investigation might provide a single cutoff value for the resistive index. This should allow an assessment of whether the resistive index predicts recipient death, renal survival, or both, the results of which would define the role of the resistive index in the assessment of transplant patients. Disclosure forms provided by the authors are available with the full text of this article at NEJM.org. From the Department of Nephrology, Johannes Wesling Klini kum Minden, Minden (J.R.), and the Department of Nephrology, Hannover Medical School, Hannover (H.H.) — both in Germany. 1. Barba J, Rioja J, Robles JE, et al. Immediate renal Doppler
ultrasonography findings (
ficient clinical events. A consensus on a single vessel area for investigation might provide a single cutoff value for the resistive index. This should allow an assessment of whether the resistive index predicts recipient death, renal survival, or both, the results of which would define the role of the resistive index in the assessment of transplant patients. Disclosure forms provided by the authors are available with the full text of this article at NEJM.org. From the Department of Nephrology, Johannes Wesling Klini kum Minden, Minden (J.R.), and the Department of Nephrology, Hannover Medical School, Hannover (H.H.) — both in Germany. 1. Barba J, Rioja J, Robles JE, et al. Immediate renal Doppler
ultrasonography findings (
