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  • Title: Risk factors for cytomegalovirus, hepatitis B and C virus reactivation after bone marrow transplantation.
    Author: Zekri AR, Mohamed WS, Samra MA, Sherif GM, El-Shehaby AM, El-Sayed MH.
    Journal: Transpl Immunol; 2004 Dec; 13(4):305-11. PubMed ID: 15589744.
    Abstract:
    To derive guidelines for a safer bone marrow transplantation (BMT) policy, we have to study pre-BMT risk factors that may be associated with an increased post-BMT death. Among those factors, the importance of pre-BMT viral hepatitis markers in BMT donors and recipients remains unsettled. In the present study, we have determined the effect of prior donor and recipient cytomegalovirus (CMV), hepatitis B virus (HBV), and hepatitis C virus (HCV) exposure on the incidence of those viral infections after bone marrow transplantation (BMT). The study included 63 patients presented to the BMT unit; 28 of them underwent transplantation and 35 were not transplanted. All serum markers of CMV, HBV, and HCV infections were monitored using ELISA technique, as well as PCR-DNA for CMV, HBV and HCV RT-PCR techniques for HCV. The incidence of active CMV and HCV was 11/28 (39%) and 6/28 (21%) in post-BMT recipients compared to 2/35 (6%) and 2/35 (6%) in the 35 untransplanted patients (P=0.00003 and P=0.05). Whereas active HBV infection was non significantly (P=0.13) higher 3/28 (11%) in the BMT patients in comparison to 1/35 (3%) in untransplanted patients. Ten out of the 19 (53%) of the CMV-seropositive recipients developed CMV reactivation compared to 1/9 (11%) of the CMV-seronegative recipients who developed CMV seroconversion. In addition, 3/8 (38%) of the HBV-seropositive recipients developed HBV reactivation in comparison to 0/20 of the HBV-seronegative recipients. Moreover, 5/13 (39%) of the HCV-seropositive recipients developed HCV reactivation in comparison to 1/16 (6%) of the HCV-seronegative recipients who developed HCV seroconversion. In conclusion, previous exposure to CMV, HBV, and HCV infections in the recipients of BMT patients were found to influence the risk of developing those viral infections.
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