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  • Title: Renal transplantation in allografts with multiple versus single renal arteries.
    Author: Kamali K, Abbasi MA, Ani A, Zargar MA, Shahrokh H.
    Journal: Saudi J Kidney Dis Transpl; 2012 Mar; 23(2):246-50. PubMed ID: 22382214.
    Abstract:
    Allograft with multiple renal arteries (MRA) is considered to have an increased post-transplantation risk due to vascular and urologic complications. The aim of this study is to investigate the outcome of living donor kidney transplantation using allograft with a single artery and recipients of allografts with multiple arteries. Seven hundred and eighteen consecutive adult kidney transplants done between 1998 and 2007, with living unrelated kidney donors, were enrolled in this retrospective analysis. Data from the group with MRA (n = 60) were compared with those from the group with single renal artery (SRA) (n = 658). Delayed graft function (DGF) was more frequent in recipients' allografts with more than 2 arteries when compared with SRA recipients (Odds Ratio: 1.2; 95% CI:1.08-1.9, P = 0.02), but there was no difference between SRA and allograft with two arteries. The incidence of acute rejection (AR) was not statistically greater in recipients with MRA. Renal artery stenosis (RAS) occurred more frequently in patients with MRA (8.3% vs. 5.9% and P = 0.02), but other vascular complications such as renal artery thrombosis and hematoma revealed no differences (P > 0.05). Urologic complications such as UVJ obstruction, urinary leakage and ureteropelvic obstruction were not statistically different between the groups. The actuarial 1-year allograft survival rate was comparable in both groups (93.6% vs 96.8%, P = 0.22). Allografts with more than two arteries were associated with increased DGF and RAS, but no surgical or urological complications were detected in our series. Our findings demonstrate that renal allograft transplantation with multiple arteries could be performed with reasonable complications and acceptable outcomes.
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