NDT Advance Access originally published online on December 19, 2005
Nephrology Dialysis Transplantation 2006 21(4):1053-1059; doi:10.1093/ndt/gfk005
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© The Author [2005]. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
Original Articles: Dialysis and Transplantation
Risk factors and outcome of focal and segmental glomerulosclerosis recurrence in adult renal transplant recipients
1 Department of Nephrology and Transplantation and 2 Department of Public Health and Biostatistics, Hôpital Henri Mondor, AP-HP and Faivlte de Midecine, Paris XII, Créteil, France and 3 Department of Nephrology-Transplantation, Hôpitaux Universitaires de Strasbourg, France
Correspondence and offprint requests to: Philippe Grimbert, Department of Nephrology and Transplantation, Hôpital Henri Mondor, Créteil, France. Email: philippe.grimbert{at}hmn.ap-hop-paris.fr
Background. Recurrence of nephrotic syndrome (NS) after renal transplantation for primary focal segmental glomerulosclerosis (FSGS) is a frequent and still unpredictable complication. However, risk factors for recurrence have not yet been clearly identified.
Methods. Data from 33 patients who underwent 35 renal transplantations for FSGS in two French centres are reported.
Results. Recurrent NS occurred in 12 transplant recipients (34%). A significantly higher number of patients in the group with recurrence (R group) compared with the group without recurrence (NR group) received cyclosporine for FSGS treatment before transplantation (83.3% vs 43.4%, P<0.02). Donors of R group recipients were significantly older than those of the non-NR group recipients (42.8 years vs 35 years, P<0.05). A higher number of patients from the R group required post-transplantation dialysis (33.3% vs 17.4%, P = 0.002). Surprisingly, acute rejection occurred more frequently in patients of the NR group compared with the R group, although the difference was not significant. Among the 12 patients with NS relapse, 9 were treated with plasmapheresis. Graft loss related to recurrence occurred in 6 cases. The 5-year graft survival was significantly lower in patients with recurrent NS compared with patients without recurrence (57% vs 82%, P<0.001).
Conclusion. This study confirms the benefit to identify in the future clinical or biological predictive risk factors for NS recurrence after renal transplantation. It also indicates that donor age is a reliable risk factor for recurrence in adult recipients and suggests for the first time a possible opposite relationship between recurrent FSGS and acute rejection.
Keywords: acute rejection; focal segmental glomerulosclerosis; recurrence; renal transplantation
*VA and SC have equally contributed to this work
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