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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/200265
Control of occult hepatitis B virus infection
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Background: The diagnosis of hepatitis B virus (HBV) infection requires HBV DNA testing and serologic testing for detection of the surface antigen (HBsAg) and the hepatitis B core antibody (anti-HBc). There is a population of patients with occult HBV infection (OBI), which is not detected by HBsAg or HBV DNA quantification in blood, despite the presence of active replication in the liver.Scope: This document provides a definition of OBI and describes the diagnostic techniques currently used. It also addresses the detection of patients with risk factors and the need for screening for OBI in these patients.Summary:Correct diagnosis of OBI prevents HBV reactivation and transmission. Diagnosis of OBI is based on the detection of HBV DNA in patients with undetectable HBsAg in blood.Perspectives: A high number of patients with OBI may remain undiagnosed; therefore, screening for OBI in patients with factor risks is essential. For a correct diagnosis of OBI, it is necessary that new markers such as ultrasensitive HBsAg are incorporated, and a more comprehensive marker study is performed by including markers such as cccDNA.
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LALANA GARCÉS, Marta, ORTIZ PASTOR, Oihana, SOLÉ ENRECH, Gemma, GUERRA RUIZ, Armanado r., CASALS MERCADAL, Gregori, ALMERÍA LAFUENTE, Alejandro, BALLESTEROS VIZOSO, María antonieta, GABRIEL MEDINA, Pablo, SALGÜERO FERNÁNDEZ, Sergio, ZAMORA TRILLO, Angielys, AURED DE LA SERNA, Isabel, HURTADO, Juan carlos, PÉREZ DEL PULGAR GALLART, Sofía, FORNS, Xavier, MORALES RUIZ, Manuel. Control of occult hepatitis B virus infection. _Advances In Laboratory Medicine_. 2022. Vol. 3, núm. 4, pàgs. 321-330. [consulta: 21 de gener de 2026]. ISSN: 2628-491X. [Disponible a: https://hdl.handle.net/2445/200265]