context occult hepatitis b (ohb), or persistent hbv dna in patients who are hepatitis b surface antigen (hbsag) negative, is a recently recognized entity. in an attempt to summarize the issues, this review presents an overview of the current proposed hypothesis on the clinical relevance and also updates the knowledge on the classification of ohb in different clinical settings. evidence acquisit...

conclusions in hbeag positive chb patients, low serum hbsag level is a useful predictor of compensated cirrhosis. objectives the aim of our study was to evaluate serum hbsag level as a biomarker for compensated cirrhosis in hepatitis b e antigen (hbeag) positive chb patients. patients and methods two-hundred and one hbeag-positive chinese chb patients with or without cirrhosis were enrolled in ...

conclusions chaharmahal and bakhtiari province could be categorized as a low endemic region for hepatitis b infection, with a seroprevalence similar to that in other provinces of western iran. vaccination seems to influence its decrease, especially in adolescents and youth. more surveillance and attention to risk factors are suggested to identify high-risk groups and to implement vaccination. r...

introduction: intravenous drug users as a serious health problem in communities have economical and social effects as well as health and hygienic complications. viral infections may be transmitted through drug injection by shared syringes among users. the aim of this study has been to determine the relative frequency of hbv, hcv and hiv infection’s markers as epidemiological data in ahvaz. mate...

hepatitis b virus (hbv) infection is the 10th leading cause of death worldwide. the most important diagnostic and screening marker for hbv infection is hepatitis b surface antigen (hbsag), and the most widely used hbsag screening test is enzyme-linked immunosorbent assay (elisa). in this study, an elisa assay has been developed for detection of hbsag using two novel monoclonal antibodies (mab) ...

background hepatitis b virus (hbv) is one of the most common chronic viral infections in the world. iran has a low to intermediate hbv prevalence and approximately 1.5 million people are living with hbv infection. the impact of hbv in iran is unknown and given the very low levels of alcohol consumption, this region provides an opportunity to examine the impact of isolated chronic hbv infection....

results there were 64 women and 936 men in the population under study. the mean ± sd age of the donors was 38 ± 11 years. 80 out of 1000 samples (8%) were found to be positive for hbcab. hbv dna was detected in 50% of hbcab positive specimens. the mean ± sd age of donors without hbv dna was 37.7 ± 10.5 years and for donors with hbv dna was 40.9 ± 11.2 years (p = 0.05). objectives the aim of thi...