نتایج جستجو برای: hepatitis b

تعداد نتایج: 956172  

ژورنال: ارمغان دانش 2021

Abstract   Background & aim: Occult hepatitis B virus infection in blood donors threats the safety of the blood supply.  It is characterized by detection of low viral DNA in the serum subjects who have negative test for Hepatitis B surface antigen (HBsAg). The aim of this study was to assess the prevalence of occult hepatitis B virus infection among HBsAg negative and HBcAb positive in blood ...

Background and Aims: Hepatocellular carcinoma (HCC) is one of the most important common cancers in the world. The main etiology of this cancer in developing and third world countries is due to the infection with hepatitis B and C viruses. Hepatitis B and C viruses (HCV) would both cause liver cancer but the incidence of the disease in relation to the age and gender has not been determined. The ...

A Rasi H Ansarin MH Aziz Jalali

Nowadays viral hepatitis is one of the most common and important causes of chronic liver disorders in the world. Extrahepatic manifestations of viral hepatitis consist a main part of the disease. The main viruses causing hepatitis include Hepatitis A, B and C viruses. Herein common skin manifestations in hepatitis C virus (HCV) are discussed. Chronic hepatitis causes skin disorders both directl...

Journal: :medical journal of islamic republic of iran 0
tahereh zandieh iranian blood transfusion organization. sheikh fazlollah expressway. shahidhemmat. tehran, iran. nader cohan the research center of the iranian blood transfusion organization. tehran. iran. shahram samiei the research center of the iranian blood transfusion organization. tehran. iran. sediegheh amini the research center of the iranian blood transfusion organization. tehran. iran. zahra ataei the research center of the iranian blood transfusion organization. tehran. iran. mahnaz kavari the research center of the iranian blood transfusion organization. tehran. iran.

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 studied f...

Background Occult hepatitis B infection (OBI) is considered a risk factor for progression of liver disease in patients with hepatitis B virus (HBV) infection. This disease progression is reported to be more significant in those with concomitant HIV infection. We aimed to determine the prevalence rate of OBI in a sample of HIV-positive patients. Materials and Methods: Sixty-six HIV-infected pati...

Ali Eslamifar Amitis Ramezani, Arezoo Aghakhani, Minoo Mohraz Mohammad Banifazl

  Background and Objective: Presence of hepatitis B core antibody (anti-HBc) in the absence of hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) is defined, as isolated anti-HBc. little is known about the clinical significance of the isolated anti-HBc in hepatitis B virus (HBV) infections. The aim of this study was to assess the significance of anti-HBc as the onl...

Journal: :hepatitis monthly 0
tahereh khairkhah east health center, deputy of health affairs, shahid beheshti university of medical sciences, tehran, ir iran ayat shamsa faculty of medicine, islamic azad university, tehran, ir iran azam roohi department of immunology, school of public health, tehran university of medical sciences, tehran, ir iran; department of molecular medicine, school of advanced technologies in medicine, tehran university of medical sciences, tehran, ir iran jalal khoshnoodi department of immunology, school of public health, tehran university of medical sciences, tehran, ir iran fatemeh vand-rajabpour department of medical genetics, tehran university of medical sciences, tehran, ir iran mina tabrizi department of medical genetics, tehran university of medical sciences, tehran, ir iran

conclusions being a barber alone is not a potential risk factor for hbv infection, while hcv infection is still an occupational health hazards for barbers. we suggest more extensive case-control studies with regard to rates of hepatitis b and c markers among barbers in other iranian cities to assess the incidence of hepatitis b and c infections among this population. background hepatitis b viru...

A Hashemi, M Noroozi, N Valizadeh, S Hejazi, Sh Nateghi,

Abstract Background Thalassemia patients that are conventionally treated by a regular transfusion regimen are exposed to blood born viral infections.The aim of this study was to investigate the seroprevalence of hepatitis B virus (HBV), hepatitis C virus (HCV) , and human Immunodeficiency virus(HIV) among all multitransfused thalassemia patients in west north of Iran. Material and methods A...

Background: Serial measurement of  hepatitis B virus (HBV) DNA levels in the liver and its relation with liver damage and serum HBV DNA levels are guide to begin and/or end a treatment course. This study evaluated the relationship between liver hepatitis B DNA viral load with liver histology in patients with chronic hepatitis B (HBV). Methods:  Thirty patients with chronic anti-Hbe positive ...

Journal: :avicenna journal of clinical microbiology and infection 0
mohammad mahdi majzoobi brucellosis research center, hamadan university of medical sciences, hamadan, iran seyyed hamid hashemi brucellosis research center, hamadan university of medical sciences, hamadan, iran; brucellosis research center, hamadan university of medical sciences, hamadan, iran. tel: +98-8138272154, fax: +98-8138272154 hosein mahjoob department of epidemiology and statistics, hamadan university of medical sciences, hamadan, iran saeid khakizadeh department of pathology, hamadan university of medical sciences, hamadan, iran mina nikbakht consult center for hiv, hamadan university of medical sciences, hamadan, iran

conclusions the significant number of coinfected hiv-hcv patients only had hbcab positive test without detectable hbv-dna. further studies for detection of hbv-dna in both serum and liver biopsy specimens may help clarify the impact of hbv infection in coinfected hiv/hcv patients. results of 103 hiv-hcv coinfected patients, both hbsag and hbcab were positive in 7 patients (6.8%), negative in 44...

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