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  1. Detection of anti-hepatitis C-virus antibodies and hepatitis C-virus RNA in Lebanese hemodialysis patients.

    Article - En anglais

    Hemodialysis patients are at high risk of developing HCV infection.

    Reports from various countries have shown a prevalence of 12-29% among this group.

    The present study aimed at assessing the utility of HCV antibodies and HCV-RNA detection in the diagnosis of HCV in Lebanese hemodialysis patients.

    One hundred and eight hemodialysis patients from various hospitals in Lebanon were assayed for the presence of anti-HCV antibodies by ELISA and LIA, and for the presence of HCV-RNA by RT-PCR of the 5'Non-coding region (5'NCR).

    Specificity of the amplicons was confirmed by Southern hybridization.

    Seventeen out of 108 patients were reactive in ELISA and positive in the Line Immunoassay (LIA).

    Eleven out of the 17 were positive by RT-PCR.

    Three out of 29 patients nonreactive in ELISA were positive by RT-PCR.

    Our results indicate that hemodialysis patients in this study may be grouped into 4 categories.

    These include (1) patients with viremia and noimmune response, (2) patients with no viremia and with an immune response, (3) patients with both viremia and immune response and (4) patients with no viremia and no immune response.

    The first 3 categories may reflect the different phases of HCV infection and imply that detection of both anti-HCV antibodies and HCV-RNA are needed for the establishment of adequate diagnosis.

    In addition, data collected from patients implicated in this study show that infection by HCV may be dialysis machine-related, rather than transfusion-related. (...)

    Mots-clés Pascal : Hépatite virale C, Virose, Infection, Anticorps, Hémodialyse, Réaction chaîne polymérase, Technique ELISA, Etude comparative, Diagnostic, Evaluation performance, Facteur risque, Homme, Epidémiologie, Liban, Asie, Appareil digestif pathologie, Foie pathologie, Sérologie, Epuration extrarénale, Biologie moléculaire

    Mots-clés Pascal anglais : Viral hepatitis C, Viral disease, Infection, Antibody, Hemodialysis, Polymerase chain reaction, ELISA assay, Comparative study, Diagnosis, Performance evaluation, Risk factor, Human, Epidemiology, Lebanon, Asia, Digestive diseases, Hepatic disease, Serology, Extrarenal dialysis, Molecular biology

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0129213

    Code Inist : 002B05C02G. Création : 22/06/1998.