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  • Title: Pre-transplant course and risk of kidney transplant failure in IgA nephropathy patients.
    Author: Bjørneklett R, Vikse BE, Smerud HK, Bostad L, Leivestad T, Hartmann A, Iversen BM.
    Journal: Clin Transplant; 2011; 25(3):E356-65. PubMed ID: 21651619.
    Abstract:
    BACKGROUND: There is lack of knowledge to what degree clinical/morphological presentation and course of IgA nephropathy (IgAN) prior to end-stage renal disease are risk factors for graft loss after kidney transplantation. MATERIAL AND METHODS: Patients with IgAN between 1988 and 2006 (registered in the Norwegian Kidney Biopsy Registry) who later received a kidney transplant (registered in the Norwegian Renal Registry) were included. The cohort was followed up regarding death-censored graft loss throughout 2008. Graft survival with a rapid progressive (RP) vs. a slow progressive (SP) course of pre-Tx IgAN (annual GFR > or <30 mL/min/1.73 m(2) ) was studied. RESULTS: Among 106 included patients, there were 14 graft losses giving a graft loss rate of 1.9/100 patient years. Follow-up until the first kidney transplant was 6.9 ± 4.4 (range 0.1-19) yr. Patients with pre-Tx RP had a higher graft loss rate compared with SP patients (6.3 vs.1.3/100 patient years, p < 0.001). Graft loss rate with living-related donor (LRD) was similar to unrelated donor (UD) grafts. Most RP patients had received LRD grafts, and in SP patients, graft survival with LRD grafts was better than UD grafts (0.3 vs.2.1/100 patient years, p = 0.055). CONCLUSIONS: A rapid pre-transplant course is a strong risk factor for transplant failure in patients with IgAN.
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