نتایج جستجو برای: hepatitis a infection

تعداد نتایج: 13594916  

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...

Journal: :گوارش 0
maryam moghanilankarani seyedmoayyed alavian hasan manzoorijoybari

background: with respect to the importance of hepatitis a in patients with chronic liver disease, current study was conducted with the aim of determining the prevalence of previous hepatitis a infection in hepatitis b virus carriers with different stages of liver disease. materials and methods: this was a cross sectional study. 283 hbsag positive subjects (including 118 inactive carriers, 144 p...

Bahareh Yousefipour, Jafar Mohammadshahi, Mehran Sardari, Roghayeh Teimourpour, Soheila Refahi,

Hepatitis B virus (HBV) is an etiological agent of hepatitis B infection. Hepatitis B is a life-threatening disease that affects the liver. The clinical outcomes of the disease are varied from asymptomatic disease to serious complication such as cirrhosis and hepatocellular carcinoma (HCC). Despite availability of the vaccine and appropriate treatment, hepatitis B infection still remains a majo...

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 ...

Journal: :hepatitis monthly 0
masood ziaee hepatitis research center, department of internal medicine, birjand university of medical sciences, birjand, ir iran; birjand university of medical sciences, birjand, ir iran. tel: +98-56144430419, fax: +98-5614433004 ghodsieh azarkar department of radiology, birjand university of medical sciences, birjand, ir iran

results the mean age of chb patients was 38.5± 11.9 years and 55.9% of them (231 patients) were male. there were 13 cases (3.1%) with hdv infection. there was no association between positive anti-hdv serology and factors such as age, gender, carrier state, liver enzymes, and positive hepatitis b e antigen (hbeag) serology. conclusions although hdv had a low prevalence in our area, it is importa...

Journal: :reports of biochemistry and molecular biology 0
arezoo honarmand microbiology department, islamic azad university of jahrom, jahrom, iran morteza pourahmad tel: +98 9177916203; fax: +98 7154230021000 kavous solhjoo microbiology department, jahrom university of medical sciences, jahrom, iran mahmoud kohan nursery department, alborz university of medical sciences mohamad hassan davami microbiology department, jahrom university of medical sciences, jahrom, iran seyed kamyar mostafavi zadeh infectious disease department, isfahan university of medical sciences, isfahan, iran

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...

Journal: :گوارش 0
ali mokhtarifar hamid reza rezvani abbas esmaielzadeh kamran ghaffarzadegan ladan goshayeshi

800x600 background : hepatitis b and c infections have remained major global health burdens during the most recent century. the viral agents responsible for these diseases share common modes of transmission with human immunodeficiency virus (hiv) such as needle-sharing in iv drug abusers. coinfection of hepatitis b or c with hiv increases the rate of progression of chronic liver disease. given ...

 ‌فریده خسروی, , بتول مرادی, , بهروز نیک بین, , بیتا انصاری پور, , سید صادق بنی عقیل, , شهین درخوش, , عبدالفتاح صراف نژاد, , علی اکبر امیر زرگر, ,

Background: The outcome of acute hepatitis B infection may be influenced by host genetic factors like human leukocyte antigen (HLA). To investigate the association between the HLA-DRB, DQA1 and DQB1 alleles and chronic hepatitis B infection, 50 patients with chronic hepatitis B (based on 6 months positive of HBsAg and HBc antibody and HBeAg and antibody by serological test), were selected from ...

Chronic hepatitis B is still a major public health issue despite the successful prophylactic vaccination attempts. Chronicity of hepatitis B virus(HBV) is mainly due to its ability to debilitate host's immune system. Therefore, major measures have been taken to stop this process and help patients with chronic hepatitis B infection recover from their illness. While satisfactory results have been...

Journal: :jundishapur journal of microbiology 0
fahimeh ranjbar kermani blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran zohreh sharifi blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran; blood transfusion research center, high institute for research and education in transfusion medicine, p.o. box: 14665-1157, tehran, ir iran. tel/fax: +98-218860150130 fereshteh ferdowsian blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran zahrah paz blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran farzaneh tavassoli blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran

objectives the current study aimed to assess relationship between s/co rates and hcv-rna levels in the laboratory to identify hcv viremia in patients with a positive anti-hcv. patients and methods all serum samples were assayed for anti-hcv by elisa method. a total of 265 anti-hcv positive patients were tested for hcv-rna testing by quantitative method using artus hcv rg real-time polymerase ch...

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