Liver international : official journal of the International Association for the Study of the Liver · 2019
HCV reinfections after viral clearance among HIV-positive patients with recent HCV infection in Taiwan.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Huang Miao-Hui, Chang Sui-Yuan, Liu Chen-Hua, Cheng Aristine, Su Li-Hsin, Liu Wen-Chun, Su Yi-Ching, Sun Hsin-Yun, Hung Chien-Ching, Chang Shan-Chwen
Аннотация
BACKGROUND: Higher rates of hepatitis C virus (HCV) reinfection after viral clearance have been well described among HIV-positive men who have sex with men (MSM) in Europe. The epidemiology of HCV reinfection, however, has rarely been investigated among HIV-positive patients in Asia-Pacific region.
METHODS: We retrospectively identified HIV-positive patients with recent HCV infection who had cleared their primary infection, either spontaneously or via treatment, between January 2011 and May 2018. All included patients were observed until 31 March 2019. HCV reinfection was defined as recurrent HCV viraemia after achieving viral clearance with anti-HCV treatment or after spontaneous clearance.
RESULTS: During the study period, 219 HIV-positive patients (90.4% MSM) were diagnosed with recent HCV infection. Viral clearance with successful treatment was achieved in 108 patients (49.3%) and spontaneous clearance occurred in 20 (9.1%); of them, 18 (14.1%) acquired HCV reinfections, resulting in an incidence rate of 8.2 per 100 person-years of follow-up (95% CI 5.2-13.1). With the adjusted Cox proportional hazards model, we found a higher reinfection risk in patients with syphilis (adjusted hazard ratio 10.3, 95% CI 1.4-77.8, P = .023) compared to those without syphilis. HCV RNA testing, if performed only following syphilis and elevated aminotransferases, might miss 44.4% and 33.3% of HCV reinfections, respectively.
CONCLUSIONS: Similar to the findings in Europe, we observed a high incidence of HCV reinfection among HIV-positive Taiwanese with recent HCV infection, which was significantly associated with syphilis. To identify HCV reinfections, annual HCV RNA testing should be instituted instead of testing driven by symptoms, syphilis or elevated aminotransferases.
METHODS: We retrospectively identified HIV-positive patients with recent HCV infection who had cleared their primary infection, either spontaneously or via treatment, between January 2011 and May 2018. All included patients were observed until 31 March 2019. HCV reinfection was defined as recurrent HCV viraemia after achieving viral clearance with anti-HCV treatment or after spontaneous clearance.
RESULTS: During the study period, 219 HIV-positive patients (90.4% MSM) were diagnosed with recent HCV infection. Viral clearance with successful treatment was achieved in 108 patients (49.3%) and spontaneous clearance occurred in 20 (9.1%); of them, 18 (14.1%) acquired HCV reinfections, resulting in an incidence rate of 8.2 per 100 person-years of follow-up (95% CI 5.2-13.1). With the adjusted Cox proportional hazards model, we found a higher reinfection risk in patients with syphilis (adjusted hazard ratio 10.3, 95% CI 1.4-77.8, P = .023) compared to those without syphilis. HCV RNA testing, if performed only following syphilis and elevated aminotransferases, might miss 44.4% and 33.3% of HCV reinfections, respectively.
CONCLUSIONS: Similar to the findings in Europe, we observed a high incidence of HCV reinfection among HIV-positive Taiwanese with recent HCV infection, which was significantly associated with syphilis. To identify HCV reinfections, annual HCV RNA testing should be instituted instead of testing driven by symptoms, syphilis or elevated aminotransferases.