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. 2007 May;39(4):907-10.
doi: 10.1016/j.transproceed.2007.03.033.

Iranian model of renal allograft transplantation in 3028 recipients: survival and risk factors

B Einollahi  1 , V Pourfarziani, M Ahmadzad-Asl, F Davoudi, M Lessan-Pezeshki, A Davoudi, A Nourbala, S Shariat-Moghani, E Nemati, F F Poor-Reza-Gholi, N Simforoosh
Affiliations

Iranian model of renal allograft transplantation in 3028 recipients: survival and risk factors

B Einollahi et al. Transplant Proc. 2007 May.

Erratum in

  • Transplant Proc. 2008 Mar;40(2):644. Davoudi, F [added]

Abstract

Background: Considering the organ shortage crisis for renal transplantation worldwide, assessing the risk factors to establish better allocation strategies to improve graft survival seems to be crucial.

Objectives: We aimed to evaluate the risk factors influencing graft and patient survival after renal transplantation to construct a model of prognostic factors for living renal transplantation (LRT), namely living unrelated renal transplantation (LURT).

Methods: We designed a retrospective multicenter survey including medical record review of 3028 patients who received renal transplants at 2 hospitals between July 1984 and December 2005. We assessed the impact on graft survival of recipient/donor relationship, recipient age and gender, donor age and gender, and viral hepatitis B and C infections.

Results: Among 3028 recipients, including 94.8% primary grafts, 63.4% were men, mean +/- SE of age 36.4 +/- 0.3 years, with mostly end-stage renal disease due to diabetes mellitus, hypertension, or glomerulonephritis. One-, 5-, 10- and 15-year graft survival rates were 85.4%, 68.3%, 46.4%, and 23.8%, respectively. Patient survival rates were 93.4%, 87.5%, 79.4%, and 66.4% at the above intervals, respectively. Donor age (relative hazard [RH], 1.024; P<.001), unrelated donors (RH, 1.7; P<.001), and hepatitis C virus (HCV) infection (RH, 2.65; P<.001) were the only significant factors affecting graft survival.

Conclusion: Increased donor age, unrelated donor, and HCV infection were significant factors negatively impacting graft survival; thus, proper management of these factors may lead to better graft and patient survival.

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