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Updated: Jun 21, 2026
08:58
Murine Kidney Transplant Technique
Published on: October 20, 2015
Renal transplantation in systemic vasculitis: when is it safe?
Mark A Little1, Basma Hassan, Steve Jacques
1Renal Institute of Birmingham, School of Immunity, Infection and Inflammation, University of Birmingham, Birmingham, UK.
Summary
Renal transplantation in antineutrophil cytoplasmic antibody (ANCA)-positive vasculitis patients is challenging. Transplanting less than a year after remission significantly increases patient death risk, impacting graft survival.
Area of Science:
- Nephrology
- Immunology
- Transplantation Medicine
Background:
- Lack of clear guidelines for renal transplantation in antineutrophil cytoplasmic antibody (ANCA)-positive vasculitis patients.
- Management of ANCA-positive vasculitis during renal transplantation requires further clarification.
Purpose of the Study:
- To assess consensus on managing renal transplantation in vasculitis patients.
- To evaluate outcomes of renal allograft recipients with systemic vasculitis post-transplant.
Main Methods:
- European transplant center survey on vasculitis transplantation management.
- Retrospective analysis of 107 renal allograft recipients with systemic vasculitis.
Main Results:
- Consensus exists on transplanting in remission; 16% require negative ANCA, 40% recommend >12 months post-remission.
- ANCA-positive recipients had higher rates of severe vasculopathy (OR 4.4).
- Transplantation <1 year post-remission strongly predicted patient death (HR 2.3) and reduced graft survival.
Conclusions:
- Circulating ANCA at transplant correlates with graft vascular lesions but not graft survival.
- Patient death, particularly after early transplantation (<12 months post-remission), is the primary cause of graft loss.
- Optimal timing for renal transplantation in ANCA-positive vasculitis remains critical.
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