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  • Title: Advantages of kidney transplant precocity in graft long-term survival.
    Author: Malho A, Malheiro J, Fonseca I, Martins LS, Pedroso S, Almeida M, Dias L, Castro Henriques A, Cabrita A.
    Journal: Transplant Proc; 2012 Oct; 44(8):2344-7. PubMed ID: 23026589.
    Abstract:
    BACKGROUND: Preemptive kidney transplantation (KT) or KT after a brief period on dialysis (<6 months) has been associated with better graft survival. Our study aimed to analyze the effect of an early KT on graft survival censored for patient death with functioning graft. METHODS: A total of 1,373 kidney-only transplantations, from both living and deceased donors, performed from 1983 to 2010 were retrospectively studied. We defined 2 groups: those with early KT (preemptive or within 6 months after dialysis initiation; n = 131) and non-early KT (n = 1,242). Survival curves for each group were calculated by Kaplan-Meier analysis and compared by log-rank test. The independent effect of early KT on censored graft survival was analyzed by a multivariate-adjusted Cox proportional regression model. RESULTS: The 5-, 10-, 15-, and 20-year censored graft survival rates were, respectively, 96%, 89%, 79%, and 79% among the early KT group, and 91%, 81%, 68%, and 49% among the non-early KT group (P = .024). Multivariate analysis showed the following to be independent predictors for censored graft failure: non-early KT (hazard ratio [HR] 2.58; P = .028), recipient age (HR 0.97; P < .001), donor age (HR 1.03; P < .001), recipient negative status for cytomegalovirus IgG (HR 1.44; P = .032), delayed graft function (HR 1.48; P = .013), and acute rejection event (HR 1.68; P = .002). CONCLUSIONS: Our results show that early KT can be an approach for the improvement of long-term graft survival.
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