Results 31 to 40 of about 12,523,920 (220)

Occult hepatitis B virus infection

World Journal of Hepatology, 2014
Occult hepatitis B virus (HBV) infection (OBI) refers to the presence of HBV DNA in the absence of detectable hepatitis B surface antigen. Since OBI was first described in the late 1970s, there has been increasing interest in this topic. The prevalence of OBI varies according to the different endemicity of HBV infection, cohort characteristics, and ...
Min-Sun, Kwak, Yoon Jun, Kim
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Occult hepatitis B infection: an evolutionary scenario [PDF]

Virology Journal, 2008
Occult or latent hepatitis B virus (HBV) infection is defined as infection with detectable HBV DNA and undetectable surface antigen (HBsAg) in patients' blood. The cause of an overt HBV infection becoming an occult one is unknown. To gain insight into the mechanism of the development of occult infection, we compared the full-length HBV genome from a ...
van Hemert, Formijn J., Zaaijer, Hans L., Berkhout, Ben, Lukashov, Vladimir V.   +3 more
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Epidemiology of occult hepatitis B and C in Africa: A systematic review and meta-analysis

Journal of Infection and Public Health, 2022
Background: Occult hepatitis B (OBI) and C (OCI) infections lead to hepatic crises including cases of liver cirrhosis and even hepatocellular carcinoma (HCC). OBI and OCI also pose a significant problem of their transmissibility.
Juliette Laure Ndzie Ondigui, Sebastien Kenmoe, Cyprien Kengne-Ndé, Jean Thierry Ebogo-Belobo, Guy Roussel Takuissu, Raoul Kenfack-Momo, Donatien Serge Mbaga, Serges Tchatchouang, Josiane Kenfack-Zanguim, Robertine Lontuo Fogang, Elisabeth Zeuko'o Menkem, Ginette Irma Kame-Ngasse, Jeannette Nina Magoudjou-Pekam, Arnol Bowo-Ngandji, Nadège Mafopa Goumkwa, Seraphine Nkie Esemu, Lucy Ndip, Sara Honorine Riwom Essama, Judith Torimiro   +18 more
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Hepatic Pseudolymphoma with an Occult Hepatitis B Virus Infection

Internal Medicine, 2018
A 49-year-old woman who was asymptomatic was found to have a small liver tumor on abdominal ultrasonography (US) at her annual health checkup. US revealed a hypoechoic, solid, mass measuring 17-mm in size in segment 6. The tumor markers associated with liver malignancy were negative.
Kunimoto, Hideo, Morihara, Daisuke, Nakane, Shin-ichiro, Tanaka, Takashi, Yokoyama, Keiji, Anan, Akira, Takeyama, Yasuaki, Irie, Makoto, Shakado, Satoshi, Noritomi, Tomoaki, Takeshita, Morishige, Yoshimitsu, Kengo, Sakisaka, Shotaro   +12 more
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Occult hepatitis B virus infection among injecting drug users in the Central-West Region of Brazil

Memorias do Instituto Oswaldo Cruz, 2013
The prevalence of occult hepatitis B virus (HBV) infection was investigated in 149 hepatitis B surface antigen (HBsAg) negative injecting drug users (IDUs) in the Central-West Region of Brazil.
Márcia Alves Dias de Matos, Renata Carneiro Ferreira, Fabiana Perez Rodrigues, Tamíris Augusto Marinho, Carmen Luci Rodrigues Lopes, Antônia Carlos Magalhães Novais, Ana Rita Coimbra Motta-Castro, Sheila Araújo Teles, Francisco José Dutra Souto, Regina Maria Bringel Martins   +9 more
doaj   +3 more sources

СКРЫТЫЙ ГЕПАТИТ В: КЛИНИЧЕСКОЕ ЗНАЧЕНИЕ И ПРОБЛЕМЫ ДИАГНОСТИКИ

Архивъ внутренней медицины, 2012
In this report we present current data on prevalence, clinical significance and methods of diagnostics of occult hepatitis B. Mechanisms of occult hepatitis B formation are reviewed, among which the most important is co-infection with other hepatotropic ...
И. А. Морозов, Л. Ю. Ильченко, И. Г. Федоров, И. В. Гордейчук, И. Н. Гордейчук, А. К. Княженцева, Е. А. Зверкова, М. И. Михайлов, Г. И. Сторожаков   +8 more
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Hepatitis B Blood Donor Screening Data: An Under-Recognized Resource for Canadian Public Health Surveillance

Viruses, 2023
Hepatitis B surveillance is essential to achieving Canada’s goal of eliminating hepatitis B by 2030. Hepatitis B rates, association of infection with vaccine age-eligibility, and risk factors were analyzed among 1,401,603 first-time Canadian blood donors
Sheila F. O’Brien, Cassandra N. Reedman, Carla Osiowy, Shelly Bolotin, Qi-Long Yi, Lillian Lourenço, Antoine Lewin, Mawuena Binka, Niamh Caffrey, Steven J. Drews   +9 more
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Occult hepatitis B

Tropical Gastroenterology, 2012
Occult hepatitis B infection is defined as the presence of HBV DNA in serum and/or the liver tissue without detectable HBsAg with or without anti-HBc or anti-HBs antibodies. In Egypt many studies on occult hepatitis B have been conducted and this infection is well established in various patients groups. This short review sheds
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Occult Hepatitis B in Cuban HIV Patients [PDF]

MEDICC Review, 2011
INTRODUCTION Co-infections between hepatitis B and HIV viruses are frequent due to their similar epidemiological characteristics. Worldwide, hepatitis B infection is one of the main causes of hepatocellular carcinoma and cirrhosis. In Cuba as elsewhere, prevalences of hepatitis B and hepatitis C viral infections are higher in persons with HIV.
Bello, Marité, María Caridad, Montalvo, Licel de Los Ángeles, Rodríguez, Susel, Sariego, Denis, Verdasquera, Marguerite, Vincent, Aidonis, Gutiérrez, Meilin, Sánchez   +7 more
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VIRAL HEPATITIS B IN PATIENTS WITH HEMATOLOGICAL MALIGNANCIES (ОVERVIEW)

Журнал инфектологии, 2018
The review presents current data on the role of viral hepatitis B in on-cohematological patients. Possible ways of infection, prophylaxis of infection and activation of hepatitis B in this category of patients are considered.
V. N. Chebotkevich, S. S. Bessmeltsev, V. V. Danilchenko, E. I. Kajtandzhan, V. V. Burylev, E. E. Kiseleva, A. V. Chechetkin   +6 more
doaj   +1 more source