Long-term liver function of recipients with hepatitis G virus infection after bone marrow transplantation.
To clarify the role of hepatitis G virus (HGV) infection in liver dysfunction following allogeneic BMT, we examined cryopreserved serum samples from 33 patients who had a history of blood transfusions before BMT and whose serum samples had been stored periodically, before BMT, on day 100, and thereafter for the presence of HGV-RNA and hepatitis C virus (HCV)-RNA by reverse transcription polymerase chain reaction. Nineteen patients (58%) out of 33 were positive for HGV-RNA before BMT and 10 for HCV-RNA. All patients positive for HCV-RNA were also positive for HGV-RNA. Patients were divided into three groups according to their viral status before BMT; namely, the G+C+ group (n = 10), the G+C- group (n = 9) and the G-C- group (n = 14). Two patients in the G-C- group became positive for HGV-RNA after BMT. One patient in the G+C- group suffered an acute exacerbation of hepatitis, with GPT levels reaching over 1000 IU/l, 2 and 3 years after BMT, showing quite a different clinical course from those in the G+C- group. Excluding these three patients, GPT levels of the patients in the G+C+ group were significantly higher after day 100 and remained higher than those of patients in the G+C- and G-C- groups for at least 4 years. There were no significant differences in post-transplant GPT levels between the G+C- group and the G-C- group at any time point. Of the seven patients followed-up for 5 to 10 years, three patients became HGV-RNA-negative, while four remained positive. In the absence of HCV co-infection, the behavior of GPT values post transplant in patients with HGV infection did not differ from those without HGV infection. With respect to the patient who was G+C- and showed high values of GPT 2 and 3 years post transplant, we suspect that his liver dysfunction might have been caused by some unknown virus or etiology.[1]References
- Long-term liver function of recipients with hepatitis G virus infection after bone marrow transplantation. Maruta, A., Tanabe, J., Hashimoto, C., Kato, K., Kanamori, H., Fukawa, H., Miyashita, H., Fujisawa, S., Fujita, H., Matsuzaki, M., Motomura, S., Kodama, F., Ookawa, S., Mohri, H., Ishigatsubo, Y. Bone Marrow Transplant. (1999) [Pubmed]
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