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  • Title: Impact of cytomegalovirus infection, year of transplantation, and donor age on outcomes after liver transplantation for hepatitis C.
    Author: Burak KW, Kremers WK, Batts KP, Wiesner RH, Rosen CB, Razonable RR, Paya CV, Charlton MR.
    Journal: Liver Transpl; 2002 Apr; 8(4):362-9. PubMed ID: 11965581.
    Abstract:
    Recurrence of hepatitis C virus (HCV) infection after liver transplantation (LT) is almost universal. However, variables that hasten the progression of allograft injury have not been fully defined. Cytomegalovirus (CMV) is a common infection post-LT, and its impact on the course of post-LT HCV infection remains unclear. We investigated the impact of CMV infection on patient and graft outcomes in 93 consecutive HCV-infected liver transplant recipients. Data were collected prospectively, with surveillance cultures for CMV and protocol liver biopsies. CMV infection (defined as isolation of CMV from blood and treatment with ganciclovir) occurred in 25 patients (26.9%). Graft failure (defined as cirrhosis, relisting for LT, re-LT, or death) was significantly more common in CMV-positive compared with CMV-negative patients (52% v 19.1%; P =.002). Fibrosis stage 2 or greater on the 4-month liver biopsy specimen was more common in CMV-infected patients (45% v 16.4%; P =.01). Patients who underwent LT in more recent years had an increased risk for graft failure. Donor and recipient age, CMV infection, and mycophenolate mofetil use were significantly associated with graft failure in a stepwise multivariate analysis. CMV infection occurs in approximately one quarter of HCV-infected liver transplant recipients and is an independent risk factor for graft failure in these patients. Whether CMV mediates this by inducing increased immunosuppression or directly enhancing HCV replication requires further study.
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