Abstract
Purpose of Review
The purpose of this review is to discuss the clinical implications of occult hepatitis B virus infection (OBI) and management options.
Recent Findings
Data regarding the role of OBI as a co-infection and its ability to facility progression of cirrhosis and hepatocellular carcinoma remain conflicting. In a recent meta-analysis, those with chronic hepatitis C and occult hepatitis B co-infection were found to be at increased risk for development of hepatocellular carcinoma. There remains limited data on how to manage these patients to prevent disease progression.
Summary
OBI refers to the presence of hepatitis B viral (HBV) DNA in serum or hepatocytes in the absence of detectable HBV surface antigen (HBsAg) with or without serological markers of previous exposure. As our understanding of the virology has progressed, so has our understanding of the clinical implications of OBI. Despite the growing evidence of the clinical implications of OBI, there are also several conflicting reports in the literature. After years of research, we have further understanding of the pathogenesis of OBI, but many questions remain unanswered. What we do know is that what was once felt to be a relatively innocuous entity is now regarded as a clinically very relevant disease process requiring appropriate assessment and individualized clinical management.
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Ke-Qin Hu and Mohit Mittal each declare no potential conflicts of interest.
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Mittal, M., Hu, KQ. Clinical Implications and Management of Chronic Occult Hepatitis B Virus Infection. Curr Hepatology Rep 16, 90–96 (2017). https://doi.org/10.1007/s11901-017-0339-9
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DOI: https://doi.org/10.1007/s11901-017-0339-9