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  • Title: Patient mortality after graft failure reduces kidney transplant patient survival only in the long term: an "intention to treat" analysis.
    Author: Maffei C, Sandrini S, Galanopoulou A, Bossini N, Setti G, Iovinella L, Turina S, Cancarini G.
    Journal: Transplant Proc; 2008; 40(6):1862-4. PubMed ID: 18675071.
    Abstract:
    The benefits of kidney transplantation over dialysis on patient survival have been demonstrated without considering the outcomes of patients with graft loss. To determine whether mortality after graft failure reduced the transplantation advantage in patient survival, we retrospectively reviewed the outcomes of 918 first-deceased renal transplant recipients from May 1979 to August 2005. Patient survivals were 88% and 72% at 10 and 20 years; cancer (26%) and cardiovascular disease (25%) were the major causes of death. Graft survivals were 72% and 50% at 10 and 20 years; chronic rejection was the major cause of graft loss (50%). Patient outcomes after return to dialysis were reviewed in 224 of 240 patients. The survivals were 97%, 83%, and 70% at 1, 5, and 10 years, respectively; cardio-cerebrovascular disease (56%), infections (9%), cachexia (9%), and cancer (8%) were the major causes of death. Mortality correlated with patient age at transplantation (P< .001). Re-listed patients (96 of 224) were younger (32+/-10 vs 43+/-11 years; P< .001), had a shorter dialysis period pretransplant (3.2+/-3.1 vs 4.3+/-3.9 years; P< .03), and a better survival at 10 years (98% vs 56%; P< .001). Ten-year mortality for patients who returned to dialysis was 20% higher than for patients with a functioning graft (P< .001). The reduction in overall patient survival was 2.2% at 10 years (P=NS), 5% at 15 years (P=NS), and 14% at 20 years (P< .05). The same results have been demonstrated for patients >50 years at transplantation. In conclusion, the mortality rate after return to dialysis did not influence the long-term benefits of kidney transplantation.
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