نتایج جستجو برای: hepatitis a infection
تعداد نتایج: 13594916 فیلتر نتایج به سال:
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...
background and aims: many studies have provided evidence for the role of hepatitis b and c viruses in the development of liver cancer. although the routine treatment is available for both conditions, no definite guideline is available to treat patients dually infected with hbv and hcv. this study was performed to determine the frequency of hbv/hcv-coinfection in mashhad, north-east of iran. mat...
Background and Objectives: Providing safe blood and prevention of blood-borne infections are among the most important purposes of the Blood Transfusion Organization. The aim of this study was to describe the prevalence of Hepatitis B, C and HIV infection and their determinants in Zanjan blood donors from 2005 to 2006. Material and Methods: In this cross-sectional study, the prevalence of Hepati...
background viral hepatitis is a systemic infection affecting the liver predominantly. almost all cases of acute viral hepatitis are caused by one of five viral agents: hav, hbv, hcv, hdv and hev. the present study aimed to find out the frequency of various forms of viral hepatitis (hav, hbv, and hcv), route of transmission, the history of vaccination against hepatitis b, and clinical findings i...
Background and Objectives: Vaccination is the major strategy to protect nurses against infection with hepatitis B virus. However, some nurses do not produce sufficient amount of anti-HBsAg antibody required for immunity against infection. Chronic occupational stress has been proposed as a risk factor to humoral immunity. Given that nursing staff is exposed to occupational stress risk, this stud...
Background: Hepatitis E virus (HEV) infection is a self-limiting viral infection that can lead to severe complications and death. In different regions the epidemiology of this infection varies. In this study we evaluated the seroepidemiology of hepatitis E infection in Jahrom, a city in southern Iran. Methods: This was a cross-sectional descriptive study of serum samples from 477 subjects, i...
context several risk factors play the role in the development of hepatocellular carcinoma (hcc) from which chronic hepatitis b and c infections are the most important ones. dna integration of hepatitis viruses alters the function of critical genes promoting malignant transformation of virus-infected liver cells. evidence acquisition there are remarkable geographic differences in prevalence of c...
Hepatitis C virus (HCV) infection has affected approximately 180 million people across the world. In most cases, HCV-infection remains chronic, which expose patients at high risk of cirrhosis and hepatocellular carcinoma. The rates of disease incidence and mortality diminish as a result of successful treatment of HCV infection. Until the recent years, despite the associated toxicities and l...
conclusions elevated aminotransferases in chb patients are most commonly caused by exacerbation of chb. nevertheless, when hbv dna is not elevated, other reasons should be excluded. amongst others, superinfection with another hepatotropic virus can be the reason for decompensation of chronic hepatitis b. this case report describes an asymptomatic hev superinfection followed by a flare in hbv re...
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