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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


Pabst, Werner Lukas; Neuhaus, Thomas J; Nef, Samuel; Bresin, Elena; Zingg-Schenk, Andrea; Spartà, Giuseppina (2013). 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. Pediatric Nephrology, 28(7):1141-1144.

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.

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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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2013
Deposited On:12 Feb 2014 14:22
Last Modified:05 Apr 2016 17:34
Publisher:Springer
ISSN:0931-041X
Publisher DOI:https://doi.org/10.1007/s00467-013-2450-7
PubMed ID:23519521

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