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Renal transplantation for patients with autoimmune diseases: single-center experience with 42 patients
Background:
In patients with autoimmune diseases such as vasculitis or systemic lupus erythematosus (SLE), end-stage renal disease develops in a high percentage of patients, and kidney transplantation has become a therapeutic option. However, only limited data about the prognosis and outcome after kidney transplantation are available.
Methods:
Long-term graft survival and graft function of renal transplant recipients with SLE, Wegener's granulomatosis, microscopic polyangiitis, Goodpasture's syndrome, and Henoch-Schonlein purpura were evaluated in a single center. In addition, the incidence of renal and extrarenal relapses and the impact of the immunosuppressive therapy on the course of the autoimmune disease were studied.
Results:
Renal transplant recipients with autoimmune diseases such as vasculitis and SLE had a patient survival rate (94% after 5 years) and a graft survival rate (65% after 5 years) comparable to those of patients with other causes of end-stage renal disease (patient survival 88% and graft survival 71% after 5 years). Graft losses due to the underlying disease were rare. Extrarenal relapses occurred in three patients with Wegener's granulomatosis, one patient with microscopic polyangiitis, and three patients with SLE, but were less frequent compared with the period with chronic dialysis therapy. Autoantibody levels in patients with SLE, Wegener's granulomatosis, or microscopic polyangiitis did not seem to influence the outcome.
Conclusions:
Renal transplantation should be offered to patients with autoimmune diseases. Follow-up should include the short-term control of renal and extrarenal disease activity.