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  • Title: Successful long-term outcome after renal transplantation in a patient with atypical haemolytic uremic syndrome with combined membrane cofactor protein CD46 and complement factor I mutations.
    Author: Pabst WL, Neuhaus TJ, Nef S, Bresin E, Zingg-Schenk A, Spartà G.
    Journal: Pediatr Nephrol; 2013 Jul; 28(7):1141-4. PubMed ID: 23519521.
    Abstract:
    BACKGROUND: Atypical haemolytic uremic syndrome (aHUS) is often associated with a high risk of disease recurrence and subsequent graft loss after isolated renal transplantation. Evidence-based recommendations for a mutation-based management after renal transplantation in aHUS caused by a combined mutation with complement factor I (CFI) and membrane cofactor protein CD46 (MCP) are limited. CASE-DIAGNOSIS/TREATMENT: We describe a 9-year-old boy with a first manifestation of aHUS at the age of 9 months carrying combined heterozygous mutations in the CFI and MCP genes. At the age of 5 years, he underwent isolated cadaveric renal transplantation. Fresh frozen plasma was administered during and after transplantation, tapered and finally stopped after 3 years. CONCLUSIONS: During the 5-year follow-up after transplantation there have been no signs of aHUS recurrence and graft function has remained good. The combination of heterozygous MCP and CFI mutations with aHUS might have a positive impact on the post-transplant course, possibly predicting a lower risk of aHUS recurrence after an isolated cadaveric renal transplantation.
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