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Published on: October 11, 2014
Kidney transplantation in patients suffering from hereditary complete complement C4 deficiency
Christina Falkeis1, Walter Mark, Consolato Sergi
1Institute of Pathology, Innsbruck Medical University, Innsbruck, Austria.
Summary
Hereditary complete C4 deficiency (C4def) patients face increased infection risks post-kidney transplant. However, with careful precautions and judicious immunosuppression, successful long-term outcomes are achievable.
Area of Science:
- Nephrology
- Immunology
- Transplantation
Background:
- Hereditary complete C4 deficiency (C4def) is a rare condition linked to immune complex diseases and end-stage renal failure.
- The suitability of renal transplantation for C4def patients remains a subject of debate due to potential complications.
Observation:
- This study details the clinical outcomes of five kidney transplantations in three C4def patients.
- Outcomes varied, including graft loss due to rejection and nephropathy, severe infections (meningitis, aspergillosis, pneumonia, varicella), and Kaposi's sarcoma.
- One patient experienced a fatal outcome after a second transplant, while another remains complication-free 6 years post-transplant.
Findings:
- C4def patients exhibit an elevated risk of post-transplant infections.
- Despite risks, successful long-term graft survival is possible with appropriate management strategies.
Implications:
- Kidney transplantation in C4def patients necessitates stringent precautions and careful immunosuppression.
- Judicious management can lead to favorable long-term results, challenging previous debates on transplant suitability.
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