نتایج جستجو برای: occult hepatitis b infection
تعداد نتایج: 1345201 فیلتر نتایج به سال:
nowadays, the presence of hbv dna in the absence of hbsag; occult hepatitis b infection; (obi), is a known clinical entity along with the rapid influx of research being conducted on its clinical relevance. biologists and clinicians alike have a recent-standing interest in this regards. obi has been described in several clinical settings. however, the data on its prevalence among immunized and ...
Studies on the prevalence of infection with hepatitis B virus (HBV) among children are scarce in Latin American countries, especially in Mexico. This study was aimed to investigate the prevalence of HBV infection, occult hepatitis B infection (OBI) and HBV genotypes among children with clinical hepatitis. In total, 215 children with clinical hepatitis were evaluated for HBV infection. HBV serol...
background and objective: although hepatitis b vaccine immunogenicity is high, certain risk factors such as age, tobacco consumption, obesity and genetic background have been associated with low responsiveness to hbv vaccine. we aimed to evaluate the role of occult hepatitis b virus (hbv) infection in non-responder adults to hbv vaccine in a low endemic area for hbv. material and methods : a to...
Occult hepatitis B virus infection (OBI) is a challenging clinical entity. It is defined as the presence of viral DNA in the liver or serum of subjects who test negative for the hepatitis B surface antigen. Molecular evidence of OBI consists of covalently closed circular DNA persisting in the nuclei of hepatocytes after infection. Immunocompetent individuals have a lower risk of complications t...
CONTEXT The clinical outcome of hepatitis B virus (HBV) infection is variable, ranging from spontaneous recovery to an inactive carrier state, chronic hepatitis, occult HBV infection, liver cirrhosis, or hepatocellular carcinoma. EVIDENCE ACQUISITION This variable pattern and clinical outcomes of the infection were mainly determined by virological and host genetic factors. Since the most of h...
BACKGROUND Occult Hepatitis B virus (HBV) infection (OBI) is defined as the presence of HBV-DNA in the liver or serum with undetectable hepatitis B surface antigen (HBsAg). Hemodialysis (HD) patients are at risk of acquiring parenterally transmitted infections. OBJECTIVES The aim of this study was to assess the prevalence of OBI in HD patients. PATIENTS AND METHODS A hundred HBsAg negative ...
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