Transplantation · 2007
Survival benefits of kidney transplantation with expanded criteria deceased donors in patients aged 60 years and over.
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Savoye Emilie, Tamarelle Dorothée, Chalem Ylana, Rebibou Jean-Michel, Tuppin Philippe
Аннотация
BACKGROUND: The proportion of transplant candidates aged 60 years and over listed on the kidney transplant waiting list is increasing, as is the proportion of potential organ donors of this age. We compared in elderly recipients: kidney graft survival of expanded criteria deceased donor (ECD) to nonexpanded criteria deceased donor (NECD), and survival of patients receiving these grafts to those remaining on the waiting list.
METHODS: Between 1996 and 2004, a total of 3001 patients aged 60 years and over were registered on the French kidney transplant waiting list, of which 2099 were transplanted. The data were analyzed using Kaplan-Meier methods and Cox models.
RESULTS: ECD was defined as presenting at least one of the following factors: age over 60 years than less (relative risk [RR]=1.26; P=0.02), history of arterial hypertension vs. absence (RR=1.34; P=0.01), history of diabetes mellitus vs. absence (RR=1.6; P=0.01), and death due to cerebrovascular accident vs. other cause (RR=1.3; P=0.01). Patients who did not undergo transplantation had an adjusted risk of death 2.54 times higher than that of transplanted patients of the same age (P<0.0001), regardless of the type of graft. The risk was 3.78 times higher than that for patients receiving NECD grafts (P<0.0001) and 2.31 for patients receiving ECD grafts (P<0.0001).
CONCLUSION: In elderly patients, transplantation with an ECD kidney was associated with higher survival rates than remaining on the waiting list. This result suggests that the identification and use of ECD kidney grafts should be optimized, given changes in the characteristics of potential donors and recipients.
METHODS: Between 1996 and 2004, a total of 3001 patients aged 60 years and over were registered on the French kidney transplant waiting list, of which 2099 were transplanted. The data were analyzed using Kaplan-Meier methods and Cox models.
RESULTS: ECD was defined as presenting at least one of the following factors: age over 60 years than less (relative risk [RR]=1.26; P=0.02), history of arterial hypertension vs. absence (RR=1.34; P=0.01), history of diabetes mellitus vs. absence (RR=1.6; P=0.01), and death due to cerebrovascular accident vs. other cause (RR=1.3; P=0.01). Patients who did not undergo transplantation had an adjusted risk of death 2.54 times higher than that of transplanted patients of the same age (P<0.0001), regardless of the type of graft. The risk was 3.78 times higher than that for patients receiving NECD grafts (P<0.0001) and 2.31 for patients receiving ECD grafts (P<0.0001).
CONCLUSION: In elderly patients, transplantation with an ECD kidney was associated with higher survival rates than remaining on the waiting list. This result suggests that the identification and use of ECD kidney grafts should be optimized, given changes in the characteristics of potential donors and recipients.