FAILURE OF REACTIVATION OF HEPATITIS B AFTER LIVER TRANSPLANTATION IN HEPATITIS B SURFACE ANTIGEN-NEGATIVE, CORE ANTIBODY-POSITIVE RECIPIENTS

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Abstract
Hepatitis B virus (HBV) infection after liver transplantation may occur in patients previously not exposed to the virus, but who receive an organ from a surface antigen (HBsAg)-negative, core antibody (HBcAb)-positive donor. The risk of HBV reactivation after liver transplantation in recipients that are HBsAg negative and HBcAb positive requires definition, because reactivation in kidney and bone marrow transplant patients has occurred. A total of 409 HBsAg-negative patients underwent transplantation between April 1994 and June 1999. Pretransplantation sera were tested subsequently for HBcAb and HBsAb and posttransplantation sera for HBsAg. Of the 55 recipients who were positive for HBcAb, 48, who were immunosuppressed predominantly using tacrolimus, showed no evidence of HBV reactivation as shown by the absence of HBsAg (mean follow up 21.3±13.5 months). The remaining seven died within 6 months. In our experience, HBV reactivation did not occur in HBsAg-negative, HBcAb-positive recipients after liver transplantation, most of whom were immunosuppressed with tacrolimus. We would not, therefore, currently recommend HBV prophylaxis in these patients.