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Friedman, G.S. et al.

Allograft loss in renal transplant recipients with Fabry's disease and activated protein C resistance.

INTRODUCTION: Fabry's disease is associated with an increased incidence of thrombotic events and rejection. Spontaneous thrombosis of a functioning cadaveric renal allograft in a recipient with Fabry's disease prompted prospective evaluation of all transplant candidates with Fabry's disease for hypercoagulability. MATERIALS AND METHODS: Transplant candidates with Fabry's disease were tested for hypercoagulability, analyzed for HLA-type and ABO group, and comorbid conditions suggestive of hypercoagulability. RESULTS: A unique association of Fabry's disease with activated protein C Resistance was documented in a cohort of Caucasian male renal transplant recipients with Fabry's disease. Four of five patients were blood group A and had no significant comorbid conditions suggestive of hypercoagulability. The resistance to activation of protein C (APCR)(+) patients shared HLA loci-B8 and Dr3, although the APCR(-) patients shared HLA loci-B27 and -B38. CONCLUSIONS: Due to the observed increase in the incidence of APCR in our Fabry's cohort, we suggest screening all patients with Fabry's disease for APCR. Because factor V and factor Va receptors are found on vascular endothelium and peripheral blood monocytes, APCR in the presence of Fabry's disease may be a nonimmunological stimulus for rejection. Analysis of HLA typing in patients with Fabry's disease may further elucidate HLA-based association of Fabry's disease and resistance to activated protein C with the risk of thrombosis and rejection.[1]

References

Allograft loss in renal transplant recipients with Fabry's disease and activated protein C resistance. Friedman, G.S., Wik, D., Silva, L., Abdou, J.C., Meier-Kriesche, H.U., Kaplan, B., Bonomini, L., DeFranco, P., Lyman, N., Mulgaonkar, S., Jacobs, M. Transplantation (2000) [Pubmed]

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