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Título: | Limited Value of Single Sampling for IgM Antibody Determination as a Diagnostic Approach for Acute Hepatitis E Virus Infection |
Autor: | Rivero-Juárez, Antonio; López-López, Pedro; Pineda, Juan A. CSIC ORCID; Alados, Juan Carlos; Fuentes-López, Ana; Ramírez-Arellano, Encarnación; Freyre, Carolina; Pérez, Ana Belén; Frías, Mario; Rivero, Antonio | Fecha de publicación: | 7-jul-2021 | Editor: | American Society for Microbiology | Citación: | Microbiology Spectrum 9(1): e00382-21 (2021) | Resumen: | The objective was to evaluate the accuracy of a single determination of IgM antibodies for hepatitis E virus (HEV) diagnosis in patients with acute hepatitis. A prospective study included patients with suspicion of HEV infection, defined as individuals with acute hepatitis showing negative results for serological and molecular markers of other hepatitis viruses. All patients were evaluated for hepatitis E virus infection, including both IgM antibodies and viral RNA determinations. Hepatitis E virus infection was defined as positivity for any of these markers. A total of 182 patients were included in the study, of whom 68 (37.4%) were diagnosed with HEV infection. Of these, 29 (42.6%) were positive for both IgM and HEV RNA, 25 (36.8%) were positive only for IgM antibodies, and 14 (20.6%) were positive only for HEV RNA. Considering only those individuals who were positive for IgM antibodies, 54 of the 68 total cases (79.4%) could be identified, showing a percentage of false-negative individuals of 20.6%. The diagnostic algorithm of hepatitis E virus infection in patients with acute hepatitis should include the determination of both IgM antibodies and HEV RNA because single sampling for IgM antibody determination led to an important proportion of misdiagnosed cases. | Versión del editor: | http://dx.doi.org/10.1128/Spectrum.00382-21 | URI: | http://hdl.handle.net/10261/266422 | DOI: | 10.1128/Spectrum.00382-21 | Identificadores: | doi: 10.1128/Spectrum.00382-21 e-issn: 2165-0497 |
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