2018
DOI: 10.1371/journal.pone.0203272
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Seroprevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) among human immunodeficiency virus (HIV)-infected patients in an HBV endemic area in Brazil

Abstract: BackgroundHepatitis B virus (HBV) and hepatitis C virus (HCV) are a common cause of complications in liver disease and immunological impairment among human immunodeficiency virus (HIV)-infected patients. The aim of this study was to assess the seroprevalence of HBV and HCV and their correlation with CD4+ T-cells among HIV-infected patients in an HBV endemic area.MethodsA cross-sectional observational and retrospective study was carried out in a reference center in Southern Brazil between January 2005 and Decem… Show more

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Cited by 12 publications
(10 citation statements)
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“…1.288,4.028) compared to those with CD4 >350 cells/mm3 in which is consistent with the study nding by Chen et al 2016 [29]. Co-infection of HIV and HBV can cause complex interactions because HIV impairs the cellular immunity, leading to increased replication of HBV, this increase in viral replication of HIV and HBV can further contribute to the impairment of the immune system [40]. In general, studies showed an association between lower baseline CD4 cell count and HBV co-infection [12,27,41,42].…”
Section: Hbv-hiv Co-infectionsupporting
confidence: 88%
“…1.288,4.028) compared to those with CD4 >350 cells/mm3 in which is consistent with the study nding by Chen et al 2016 [29]. Co-infection of HIV and HBV can cause complex interactions because HIV impairs the cellular immunity, leading to increased replication of HBV, this increase in viral replication of HIV and HBV can further contribute to the impairment of the immune system [40]. In general, studies showed an association between lower baseline CD4 cell count and HBV co-infection [12,27,41,42].…”
Section: Hbv-hiv Co-infectionsupporting
confidence: 88%
“…Individuals with HIV infection could live longer in the era of increased access to ART but that could be complicated because many are coinfected with viral hepatitis B and or C in sub-Saharan Africa. Viral hepatitis B and or C coinfected HIV-patients have been associated with increased immunosuppression pre-ART during ART and also increased ART-related liver toxicity [12] although some studies reported to the contrary [8]. Therefore, the current study sought to establish the burden of viral hepatitis B and C among ART naïve HIV patients and to herald the deleterious effects of these hepatitis viruses.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, there has been conflicting reports on the effects of viral hepatitis on the immunity of HIV patients co-infected with either HBV or HCV. Whereas some studies showed HBV and HCV coinfections were linked to a more severe form of immunosuppression of pre ART CD4+ T-cell counts compared to those with HIV mono-infection [46] others observed no differences [7, 8].…”
Section: Introductionmentioning
confidence: 99%
“…HBV transmission occurs by contact with infected blood and body fluids through reused or unsterilized medical/dental devices, tattooing and piercing, and illicit injecting drugs (when sharing needles and syringes). In addition, transmission can occur when personal objects, such as toothbrushes and nail clippers, are shared in a family context [8][9][10][11] .…”
mentioning
confidence: 99%
“…More than 350,000 cases per year progress to death due to the same serious liver diseases that occur with HBV 7,12,13 . Risk groups include those who received blood transfusions and/or blood products prior to 1992, intravenous drug users, people with tattoos and piercings, HIV carriers, transplanted, hemodialyzed or hemophiliac patients, the incarcerated population and those who are sexually promiscuous 2,10,14,15 .…”
mentioning
confidence: 99%