• E Papachristou, S Provatopoulou, E Savvidaki, N Kaplanis, P Kalliakmani, M Papasotiriou, L Fyssa, A Tsamantas, E Fokaefs, M Marangos, N Mira, I Maroulis, D Karavias, D S Goumenos, and J Vlachogajannis.
• University Hospital of Patras, Transplantation Center, Patras, Greece.
• Transplant. Proc. 2014 Nov 1;46(9):3172-4.

IntroductionThe increasing number of patients requiring kidney transplantation and the lack of available organs has led to the utilization of kidneys from expanded criteria donors (ECD).AimThe comparison of the clinical outcome of renal transplantation, performed in a single center, between allograft recipients from standard (SCD) and expanded criteria donors (ECD).Patients And MethodsData from 215 cadaveric renal transplantations performed during a 16 year period at the University Hospital of Patras were retrospectively studied. Donors' and recipients' characteristics (gender, age, history of hypertension and diabetes mellitus, cold ischemia time, post-transplant and long term graft function) were analyzed.ResultsGrafts from donors with expanded criteria (ECD, n = 53) were allocated to older recipients whereas grafts from donors with standard criteria (SCD, n = 162) were allocated to younger recipients. The mean cold ischemia time was 1,146 min and was similar between the two groups of patients. Patients' survival rates were similar between allograft recipients from SCD and ECD up to the 5(th) post-transplant year of follow-up. Graft survival was significantly better in allograft recipients from SCD during a 5-year follow-up period. A significantly lower eGFR was noted in allograft recipients from ECD in comparison to those from SCD throughout the observation period. Cold ischemia time was positively correlated to the development of DGF, while patients with DGF had significantly worse graft function throughout the observation period.ConclusionPatient survival from ECD is comparable to that from SCD but graft survival is significantly lower. However, since renal function of recipients from ECD is adequate for long term period, grafts from ECD should be used in older patients.

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