نتایج جستجو برای: occult hepatitis b virus

تعداد نتایج: 1265564  

ژورنال: پژوهش در پزشکی 2007
رضازاده, مهدی, محمدعلیزاده, امیرهوشنگ, ممانی, مژگان, کرامت, فریبا, رنجبر, میترا,

Background: Superinfection of hepatitis A in chronic hepatitis B and C may worsen the course of disease. This study attempted to study frequency of hepatitis A virus antibodies in patients with hepatitis B and hepatitis C. Materials and methods: 115 hepatitis C and 56 hepatitis B patients who visited the Hepatitis Association of Hamedan province during 2004-2005 were enrolled. Hepatitis A viru...

Journal: :hepatitis monthly 0
seyed moayed alavian baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, ir iran +98-2188945186, [email protected]; baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, ir iran +98-2188945186, [email protected]

Journal: :AIDS 2007
Giuseppina Raffa Sergio Maimone Antonietta Cargnel Teresa Santantonio Giorgio Antonucci Marco Massari Monica Schiavini Gaia Caccamo Teresa Pollicino Giovanni Raimondo

OBJECTIVE Current data on the prevalence of occult hepatitis B virus (HBV) infection in HIV-positive individuals conflict. As occult HBV infection could have an impact on the outcome of liver disease in HIV-positive patients, we investigated a large number of HIV-positive/HBV-surface-antigen (HBsAg) negative subjects with hepatitis C virus (HCV) infection by using the 'gold standard' approach f...

Ghanbari Matlob, M., Sharifi, Z.,

Abstract Background and Objectives Hepatitis B virus (HBV) infection remains a serious global health challenge. Hepatitis B infection is one of the major diseases transmitted by blood transfusion. Infection with the virus can cause extensive liver damage.  So far, 10 genotypes have been identified for hepatitis B. The aim of this study was to do Hepatitis B virus genotyping in asymptomatic HBV...

2015
Javier Martínez González Luis Lledó Navarro Enrique Rodríguez Agustín Albillos Martínez

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...

Journal: :hepatitis monthly 0
fahime bahri department of microbiology, jahrom branch, islamic azad university, jahrom, ir iran ali kargar kheirabad department of virology, school of public health, tehran university of medical sciences, tehran, ir iran iman ghasemzadeh infectious and tropical disease research center, hormozgan university of medical sciences, bandar abbas, ir iran saeed shoja infectious and tropical disease research center, hormozgan university of medical sciences, bandar abbas, ir iran hamed gouklani molecular medicine research center, hormozgan university of medical sciences, bandar abbas, ir iran; molecular medicine research center, hormozgan university of medical sciences, bandar abbas, ir iran. tel: +98-9365966501, fax: +98-7633668478

conclusions in conclusion, the prevalence of hbv infection was low in the south of iran, but genotype d represented the major hbv genotype in this population. among the variables, age, duration of hd, history of blood transfusion, and using shared hd devices influenced the prevalence of hbv among hd patients. results both kinds of assay determined that nine (5.88%) patients were hbv positive (h...

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