Abstract
Studies have shown that concurrent infection of hepatitis B virus and hepatitis C virus may be associated with severe forms of chronic liver disease or with rapid progression. However, very little is known about the role and course of concurrent HBV and HCV infection in patients with acute viral hepatitis. This study retrospectively compared the clinical features of 83 patients diagnosed with HBV- or HCV-related chronic hepatitis with acute exacerbation (12 with concurrent HBV and HCV infection, 46 with HBV infection alone, and 25 with HCV infection alone) encountered at Chia-Yi Chang Gung Memorial Hospital, Taiwan, between January 2003 and December 2005. The clinical course of chronic hepatitis with acute exacerbation in patients with concurrent HBV and HCV infection is similar to patients with single HBV infection, and more severe than patients with single HCV infection, evidenced by increased hepatic decompensation (P = 0.05), failure (P = 0.036), and mortality (P = 0.036). Elevated serum HCVRNA-negative percentage in HBVDNA-positive patients and low serum HBVDNA concentrations in HCVRNA-positive patients imply reciprocal interference of HBV and HCV in patients with concurrent HBV and HCV infections during acute-phase hepatitis. In patients with concurrent HBV and HCV infection, the mortality rate for detectable HBVDNA patients seemed higher than that for undetectable HBVDNA patients, although it did not reach statistical significance (P = 0.066). Virus interference existed in chronic hepatitis with acute exacerbation patients with concurrent HBV and HCV infections. Clinical outcome for patients positive for serum HBVDNA was much worse than those negative for serum HBVDNA. When chronic hepatitis with acute exacerbation occurs in patients with concurrent HBV and HCV infection, aggressive management should be investigated and antiviral therapy targeting of HBV infection should be administered early.
Published Version
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