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  • Title: The long-term outcomes of transplantation of kidneys with multiple renal arteries.
    Author: Hwang JK, Kim SD, Park SC, Choi BS, Kim JI, Yang CW, Kim YS, Moon IS.
    Journal: Transplant Proc; 2010 Dec; 42(10):4053-7. PubMed ID: 21168625.
    Abstract:
    Kidneys with multiple renal arteries are increasingly procured for transplantation. To compare the outcomes of kidney transplantation using allografts with multiple arteries, we studied long-term graft function and survival according to their number of arterial anastomoses during an 18-year period from July 1, 1990, through December 31, 2008, in which only the recipient's external iliac artery or internal iliac artery was used for anastomosis (n = 1186). The recipients were divided into four groups: group I, single renal artery with single anastomosis (n = 890, 75.0%); group Il, multiple renal arteries, single anastomosis (n = 26, 2.2%); group Ill, multiple renal arteries, multiple anastomoses (n = 236, 19.9%); and group IV, polar artery ligation (n = 34, 2.9%). We compared the following variables patient and graft survivals; mean creatinine levels at 1 and 6 months, as well as 1-, 3-, and 5-years posttransplant; the number of acute rejection episodes, and the rates of vascular and urologic complications. The creatinine values and incidences of acute rejection episodes did not differ significantly (P = 0.399 and P = 0.990, respectively). There were no significant differences among the four groups in graft survival (P = 0.951), patient survival (P = 0.751), incidence of vascular (P = 0.999) or urologic complications (P = 0.371). The four groups were subdivided according to the recipient arterial anastomosis to the main graft renal artery. The subdivided groups showed no significant differences in graft or patient survival, or complications rates. The results indicated that multiplicity of renal arteries in kidney transplantation did not adversely affect allograft or patient survival compared with single renal artery transplantation. Moreover, the type of the arterial anastomosis (main renal artery end-to-end anastomosed to internal iliac artery or end-to-side anastomosed to external iliac artery appeared to not affect graft or patient survival or the incidence of vascular or urologic complications.
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