Abstract
Abstract Background and Aims Anti-glomerular basement membrane antibody disease-associated glomerulonephritis (anti-GBM-GN) can lead to end-stage kidney disease (ESKD), requiring replacement therapy with dialysis or kidney transplant (KT). Few studies evaluated the outcome of these patients after KT. Our aim was to describe, in comparison with a control group, the occurrence of the following events: delayed graft function recovery, graft survival, relapse, acute rejection, overall survival; and to study the risk factors associated with these events. Method This was a retrospective, multicenter (6 French centers), observational study including patients who received a KT between 2005 and 2023 for ESKD secondary to anti-GBM-GN. Each vasculitis case receiving a KT was matched with 2 controls, matched on gender, center, recipient age (±5 years) and transplant period (±1 year). Event-free survival and the associated risk factors were analyzed. Results 126 patients were included, including 42 with anti-GBM-GN and 84 control patients. The median post-KT follow-up for vasculitis patients was 95 months. There was no difference in the occurrence of DGF between the groups (24 vs 18%, p = 0.5). There was no difference in graft survival when comparing both groups (78% vs 82% at 10 years, p = 0.48) (Fig. 1A). Only one patient experienced a relapse after KT (being anti-GBM negative at the time of transplantation). There was no difference in the incidence of acute rejection between the groups (p = 0.82). There was no difference in overall survival when comparing both groups (83% vs 89% at 10 years, p = 0.76) (Fig. 1B). Conclusion Kidney transplantation is an interesting option for patients with anti-GBM-GN: outcomes are similar to those of a matched population with similar occurrence of acute rejection, graft loss or death. Moreover, relapse rate is low. Comparison with a matched anti-GBM-GN population remaining on dialysis would be of interest to go further.
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