Assessment of the Arteries in Living Kidney Donors: Correlation of Magnetic Resonance Angiography With Intraoperative Findings

J. M. Díaz, L. Guirado, C. Facundo, J. Calabia, A. Rosales, R. Solà, J. Ballarin

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    Abstract

    Comprehensive imaging evaluation of kidney donor anatomy is crucial for selecting candidates for living kidney transplantation and for determining the surgical technique to procure the renal graft. In 76 living renal donors we compared the results of preoperative magnetic resonance angiography (MRA) with the intraoperative findings of arterial anatomy. Donors were evaluated for the number of main renal arteries and the presence of any polar arteries. A total of 80 main renal arteries and five polar arteries were observed at MRA. At surgery, 90 main renal arteries and eight polar arteries were identified. MRA demonstrated a sensitivity, specificity, and overall accuracy of 18%, 98%, and 87%, respectively, for main arteries and 25%, 96%, and 88% for polar arteries. Eleven (14.5%) kidneys displayed more than one main artery and MRA only detected two cases. Eight kidneys had polar arteries and MRA only detected two cases. MRA is a reliable method for presurgical evaluation of renal arteries in potential donors, providing valuable information required by the surgeon. But, as the technique misses small-diameter vessels, it cannot be recommended as the sole diagnostic tool in unclear cases. © 2006 Elsevier Inc. All rights reserved.
    Original languageEnglish
    Pages (from-to)2376-2377
    JournalTransplantation Proceedings
    Volume38
    DOIs
    Publication statusPublished - 1 Oct 2006

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