alexa HIV, HEV and cirrhosis: evidence of a possible link from eastern Spain.
Microbiology

Microbiology

Journal of Antivirals & Antiretrovirals

Author(s): Jardi R, Crespo M, Homs M, van den Eynde E, Girones R,

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Abstract OBJECTIVES: The aim of the study was to assess the seroprevalence of hepatitis E virus (HEV) infection in an HIV-infected population, as determined by HEV immunoglobulin G (IgG) antibodies (anti-HEV). METHODS: The design of the study was cross-sectional. Serum anti-HEV IgG was determined by enzyme immunoassay in 238 HIV-infected patients consecutively attending our out-patient clinic between April and May 2011. In HEV-seropositive patients, HEV RNA was analysed by nested reverse transcriptase-polymerase chain reaction (RT-PCR). Associations between anti-HEV and liver cirrhosis, route of HIV infection, hepatitis B virus (HBV) and hepatitis C virus (HCV) serological markers, age, sex and alanine aminotransferase (ALT) levels were examined by univariate and multivariate analysis. RESULTS: One hundred and forty patients (59\%) had chronic liver disease (99\% were HBV- and/or HCV-coinfected). Liver cirrhosis was detected in 44 individuals (19\%). Two hundred and twelve patients (89\%) were on antiretroviral treatment; the median CD4 T-cell count was 483 cells/μL [interquartile range (IQR) 313-662 cells/μL] and the HIV viral load was <25 HIV-1 RNA copies/mL. Overall, 22 patients (9\%) were anti-HEV positive. Liver cirrhosis was the only factor independently associated with the presence of anti-HEV, which was documented in 23\% of patients with cirrhosis and 6\% of patients without cirrhosis (P=0.002; odds ratio 5.77). HEV RNA was detected in three seropositive patients (14\%), two of whom had liver cirrhosis. CONCLUSIONS: Our findings show a high prevalence of anti-HEV in HIV-infected patients, strongly associated with liver cirrhosis. Chronic HEV infection was detected in a significant number of HEV-seropositive patients. Further research is needed to ascertain whether cirrhosis is a predisposing factor for HEV infection and to assess the role of chronic HEV infection in the pathogeneses of cirrhosis in this population. © 2012 British HIV Association. This article was published in HIV Med and referenced in Journal of Antivirals & Antiretrovirals

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