Beneficial effect of ribavirin on hepatitis C-associated cryoglobulinemia after liver transplantation

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Abstract
Mixed cryoglobulinemia is a well‐known complication after hepatitis C virus (HCV) infection. We report five cases in which cryoglobulinemia appeared or grossly exacerbated following orthotopic liver transplantation (OLT). Cryoglobulinemia and the associated clinical symptoms resolved or improved in two patients treated with ribavirin after liver transplantation, while plasmapheresis was ineffective in another patient. The mechanism involved in induction of cryoglobulinemia after liver transplantation is unknown. However, the effect of antiviral therapy observed in these patients suggests a correlation between cryoglobulinemia, HCV replication, and possibly hepatocellular disease activity. A larger‐scale study is warranted to test the effect of ribavirin on post‐OLT HCV‐associated cryoglobulinemia. Copyright © 1996 by the American Association for the Study of Liver Diseases.