نتایج جستجو برای: hepatitis b virus infection

تعداد نتایج: 1562394  

Introduction: Hepatitis D virus (HDV) is a 35 nm in diameter agent that depends on hepatitis B surface antigen in order to proliferate and accumulate. Infection with delta agent can occur spontaneously with hepatitis B virus infection and it cause acute hepatitis or develop as secondary infection in the patients with hepatitis B. Hepatitis D virus (HDV) has several genotypes based on genome seq...

Amith Holenarasipur Vasanthakumar, Audrey Madonna D’Cruz

BACKGROUND AND AIM: Hepatitis B Virus (HBV), a DNA virus with a human-only reservoir, is a worldwide public health problem. Approximately 45.0% of the world’s population is considered to live in areas of high endemicity with a lifetime risk of infection of more than 60.0%. The present study aimed to assess the level of understanding and awareness about Hepatitis B immunization among the first a...

Alireza Nemati, Hadi Ghofrani, Hossein Foroutan, Hossein Keivani, Mohsen Nasiri-Tosi,

    Abstract   Background: Hepatitis B virus infection is an important cause of liver morbidity and   mortality worldwide. HDV changes the natural course of HBV. The prevalence of HDV infection wasn’t determined in the various groups of HBV infection (carriers, acute hepatitis, chronic hepatitis, cirrhosis and HCC) in Iran. We aimed to research the prevalence of hepatitis D virus infection in v...

Journal: :iranian journal of blood and cancer 0
pazhouhnia s bouzari m rahimi f kardi mt

background: approximately 600,000 deaths occur every year as a result of the acute and chronic consequences of hepatitis b virus infection. ten different hepatitis b virus genotypes have been identified with distinct geographical distributions. different clinical outcomes, including the rate of mutations, development of hepatocellular carcinoma, chronicity, response to treatment, transplantatio...

Journal: :hepatitis monthly 0
hossein keyvani department of virology, iran university of medical sciences, tehran, ir iran masoudreza sohrabi gastrointestinal and liver diseases research center (gildrc), iran university of medical sciences, tehran, ir iran farhad zamani gastrointestinal and liver diseases research center (gildrc), iran university of medical sciences, tehran, ir iran; corresponding author: farhad zamani, gastrointestinal and liver disease research center (gildrc), firoozgar hospital, iran university of medical sciences, tehran, ir iran. tel: + 98-2188940489, fax: +98-2188940489, e-mail: hossein poustchi liver and pancreatobiliary disease research center, digestive disease research institute (ddri), tehran university of medical sciences, tehran, ir iran hossein ashrafi department of pathology, kingston university, london, uk fatemeh saeedian gastrointestinal and liver diseases research center (gildrc), iran university of medical sciences, tehran, ir iran

results the prevalence of hbsag, hbsab and hbcab were estimated as 0.9%, 30.7% and 10.5%, respectively. the mean age of all participants was 43.9 (95% ci: 43.4, 44.3) in females and 55.6 in (n = 3472) males. in our study, there was a significant association between family history of hepatitis, rural residency and presence of hbsag. there was also a positive correlation between hbcab and family ...

Journal: :iranian journal of virology 0
a fateh department of medical virology ahwaz school of medicine, ahwaz, iran m makvandi department of medical virology ahwaz school of medicine, ahwaz, iran a samarbafzadeh department of medical virology ahwaz school of medicine, ahwaz, iran h mollaie department of medical virology ahwaz school of medicine, ahwaz, iran f jahanbakhsh department of medical virology ahwaz school of medicine, ahwaz, iran r fateh department of medical virology ahwaz school of medicine, ahwaz, iran

background and aims: recently, a novel dna virus was isolated from the serum of a patient with post-transfusion non a-g hepatitis and named tt virus. the aim of this study was to determine the prevalence tt virus among cirrhotic patients due to hepatitis b & c in infection ahwaz. methods: the prevalence of ttv infection was studied in 41 patients with liver cirrhosis. ttv dna was detected by se...

Journal: :middle east journal of digestive diseases 0
murat afyon gata haydarpasa training hospital, first step examination, family health center and the naval academy clinic tuzla / istanbul, turkey. cumhur artuk gata training and research hospital, department of infectious diseases, kecioren/ankara, turkey.

in the recent issue of middle east journal of digestive diseases, we read with great interest the article by bahari et al. 1 , “significance of response to hepatitits b vaccine in subjects with isolated antibody to hepatitis b core antigen”. we wanted to specify some important matters related to the article.

Alireza Ghazimorad, Majid Bouzari, Mohammad Taghi Kardi,

Background: Recently, some new viruses have been identified for their association with hepatitis which Torque Teno Mini Virus being among them. The aim of this study was to determine the frequency of Torque Teno Mini Virus in healthy individuals and hepatitis B and C patients in Isfahan, Iran. Materials and Methods: One hundred serum samples of healthy individuals from Isfahan Blood Transfusi...

MAHNAZ KAVARI, NADER COHAN, SEDIEGHEH AMINI, SHAHRAM SAMIEI, TAHEREH ZANDIEH, ZAHRA ATAEI,

 ABSTRACT Background: Hepatitis B virus (HBV) infection in patients who lack detectable hepatitis B surface antigen (HBsAg) is called occult hepatitis B infection. Such infections have been frequently identified in patients with chronic hepatitis Cliver disease, but their prevalence is not known. Methods: 207 patients with chronic hepatitis C who were HCV -RNA and antiHCV positive were stu...

HR Mollaei , MJ Zahedi , SAM Arabzadeh , Z Iranmanesh ,

Background and Aims: Viral hepatitis is a global health problem with a high mortality rate. Recently, a new Flavi-like virus, provisionally named hepatitis G virus (HGV), has been described. HGV does not induce an immune response that is consistently detectable by using recombinant proteins from prokaryotic expression, therefore studies have been conducted by using polymerase chain reaction (...

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