نتایج جستجو برای: Hepatitis B
تعداد نتایج: 956172 فیلتر نتایج به سال:
Hepatitis B and C viruses are major public health problems. These viruses can chronically lead to liver disease such as fibrosis, cirrhosis, and hepatocellular carcinoma, which often increase mortality in these patients. According to previous studies, the liver is highly affected by changes in the microbiota of gastrointestinal tract and immune system damage caused by inflammation due to viral ...
background hepatitis b is the most common chronic viral infection in humans and the most common cause of death among viral hepatitis. as 70% to 80% of chronic hepatitis cases are caused by hbv in iran, this virus alone is considered the most important cause of liver diseases and the major cause of mortality arising from viral hepatitis cases in iran. objectives we planned this study to determin...
background occult hepatitis b virus infection (obi) is defined as the presence of hepatitis b virus (hbv) dna in the liver and/or in the serum of patients with negative results of hepatitis b s antigen (hbsag) test with or without serological markers of previous viral exposure. the impact of obi in patients with chronic hepatitis c (chc) is still unclear. objectives the aim of this study was to...
Introduction: Hepatitis is a serious danger to heath of delivery room s personnels since direct exposure to the blood occurs in 25 percents of viginal labours. Materials and Methods:This descriptive study carried out in order to evaluate knowledge about hepatitis B among midwives and midwifery’s students in delivery rooms in hospitals related to Medical Sciences universities in Tehran. The stud...
ABSTRACT Three major hepatitis B virus (HBV) antigens include HBcAg, HBeAg and HBsAg. HBeAg is the extracellular form of HBcAg, and is seen almost exclusively in people who have circulating serum HBV DNA. Presence of HBsAg in serum indicates that the individual has contracted HBV infection. Chronic hepatitis HBeAg-negative/anti-HBe–p...
Abstract There are some reports about hepatitis B and C Virus infection in hemophiliacs in different part of our country. We studied Guilan Province hemophiliacs to determine the frequency of hepatitis B surface antigen (HbsAg), anti hepatitis C antibody and liver function test impairments. This study was done from Feb to Apr 1999 among hemophiliacs registered in Guilan Hemophilia Society. Pat...
methods and materials: hepatitis b virus dna was detected by conventional pcr in some of the serum samples obtained from hbsag-positive chronic hepatitis b (chb) patients who were referred to health centers of shahrekord for routine monitoring of the disease. subsequently, using real-time pcr, the dna samples were used for genotyping and analysis of resistance to lamivudine. results: the dna wa...
background: in patients who are hepatitis b virus (hbv) dna-positive, but hbv surface antigen (hbsag) -negative, the infection is referred to as occult hepatitis b infection (obi). occult hbv infection is harmful when other liver diseases are present, and can aggravate liver damage in in patients with chronic liver diseases. in human immunodeficiency virus (hiv) infection the suppression of vir...
background: the objective of this study is to estimate the average diagnosis and treatment costs of chronic hepatitis b and c, with respect to different therapeutic strategies in iran. methods: this is a descriptive, analytical, and cross‑sectional study carried out on patients with hepatitis b and c, who were referred to the liver disease research center for prevention and treatment of hepatit...
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