Results 11 to 20 of about 12,523,920 (220)
Occult hepatitis B among Iranian hepatitis C patients
Journal of Research in Medical Sciences, 2009 <ul> <li><strong>BACKGROUND</strong>: Occult hepatitis B is defined as presence of HBV DNA in tissue or serum without hepatitis B surface antigen.
Ahmad shavakhi +7 more
doaj +3 more sources
Occult hepatitis B virus infection
Digestive and Liver Disease, 2000 Many studies have shown that hepatitis B virus infection may also occur in hepatitis B surface antigen-negative patients. This occult infection has been identified both in patients with cryptogenic liver disease and in patients with hepatitis C virus-related chronic hepatitis, and much evidence suggests that it may be a risk factor of hepatocellular ...
RAIMONDO, Giovanni +8 more
openaire +9 more sources
, 2017 Occult hepatitis B infection is a unique disease entity defined by detectable hepatitis B virus DNA in the sera and/or livers in subjects who are negative for HBsAg. OBI can be classified by serology. It can also be classified according to the medical history of the subjects.
Yuen, RMF
openaire +2 more sources
Occult hepatitis B in patients on hemodialysis: a review
Annals of Hepatology, 2013 The hepatitis B virus (HBV) is one of the most frequently transmitted agents in dialysis units. Occult hepatitis B is characterized by HBV infection without detectable surface antigen (HBsAg) in the patient’s serum, a positive or negative HBV DNA marker ...
Andrea M.M. Fontenele, Pharm, MSc. +2 more
doaj +3 more sources
Occult hepatitis B in Egyptian thalassemic children
Journal of Infection in Developing Countries, 2011 Introduction: Thalassemia is hereditary anemia which requires lifelong transfusion as treatment, and hepatitis viral infection is one of the risks of repeated transfusions.
Olfat Shaker +5 more
doaj +4 more sources
The Pigeonhole of Occult Hepatitis B
Acta Medica Iranica, 2014 Occult hepatitis B (OHB), or persistent hepatitis B virus (HBV) viremia in surface-antigen-HBsAg-negative patients, has been recognized as a medical concern during the last decade.
Payam Dindoost +5 more
doaj +2 more sources
Occult hepatitis B in blood donation centers. [PDF]
J Med Life, 2023 Occult hepatitis B (OHB) is characterized by the presence of hepatitis B virus (HBV) DNA in the blood of individuals who test negative for the hepatitis B surface antigen (HBsAg). OHB in blood donors can lead to HBV transmission through transfusions, yet the prevalence of OHB in Basrah, Iraq, is unknown.
AlRashdan Y +3 more
europepmc +3 more sources
Occult Hepatitis B Virus Infection: An Update
Viruses, 2022 Occult hepatitis B virus (HBV) infection (OBI) refers to a condition in which replication-competent viral DNA is present in the liver (with detectable or undetectable HBV DNA in the serum) of individuals testing negative for the HBV surface antigen (HBsAg). In this peculiar phase of HBV infection, the covalently closed circular DNA (cccDNA) is in a low
Saitta, Carlo +2 more
openaire +4 more sources
Post-Transfusion Occult Hepatitis B (OBI): A Global Challenge for blood recipients and health authorities [PDF]
, 2011 Hepatitis B is one of the most frequent post-transfusion infections. Occult hepatitis B infection (OBI) is a form of hepatitis B infection in which, despite the presence of HBVDNA in the serum and hepatocytes of the carrier, HBsAg is absent. In addition
Kennedy, Derek +4 more
core +2 more sources