Outcomes of renal transplantation in patients with immunoglobulin A nephropathy in India.
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2007-04-15
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Abstract
BACKGROUND: There is a paucity of data on the course of renal transplant in patients with immunoglobulin A (IgA) nephropathy (IgAN) from India. While the natural history of IgAN in the Indian context is rapidly progressive, the post-transplant course remains speculative. AIM: To study the graft survival in renal transplant recipients whose native kidney disease was IgAN and the incidence and correlates of recurrent disease. SETTINGS AND DESIGNS: Retrospective case control study from a Nephrology unit of a large tertiary care center.
MATERIALS AND METHODS: The outcomes of 56 transplant patients (58 grafts) with biopsy-proven IgAN and of 116 patients without IgAN or diabetic nephropathy, transplanted during the same period were analyzed. Correlates of biopsy-confirmed recurrent disease were determined. STATISTICAL ANALYSIS: Means were analyzed by Student's t test and Mann-Whitney test; proportions were determined by Chi-square analysis and graft survival curves were generated using the Kaplan-Meier.
RESULTS: Five-year graft survival for IgA patients was not significantly different from that in the reference group (90% and 79%, P = 0.6). During a mean follow-up of 42 months (range, 1-144), 28 event graft biopsies were required in 20 grafts of IgAN. Histological recurrence was diagnosed in five of the 20 available biopsies (25%) after a mean duration of 28 months. Recurrence did not correlate with donor status, HLA B35 and A2, recipient age, gender or immunosuppression.
CONCLUSIONS: Renal transplantation is an appropriate treatment modality for IgA nephropathy patients with end-stage renal disease in India, despite the potential for recurrent disease. The posttransplant course is an indolent one when compared to the malignant pretransplant phase.
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Chacko B, George JT, Neelakantan N, Korula A, Chakko JK. Outcomes of renal transplantation in patients with immunoglobulin A nephropathy in India. Journal of Postgraduate Medicine. 2007 Apr-Jun; 53(2): 92-5