Consequences Of Hiv/Syphilis Co-Infection On Hiv Viral Load And Immune Response To Antiretroviral Therapy

INFECTION AND DRUG RESISTANCE(2021)

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摘要
Introduction: Although syphilis is a frequent co-infection in patients with human immunodeficiency virus (HIV) infection, the influence of syphilis on immune response and virologic failure in HIV-infected patients following initiation of antiretroviral therapy (ART) is not well-defined.Methods: A retrospective study was conducted at Tianjin Second People's Hospital to evaluate the prevalence of syphilis and immune status in 4171 ART-naive patients. The study included patients who initiated ART between August 2009 and June 2019.Results: The prevalence of syphilis was 40.1% in all ART-naive patients and 42.5% in ARTnaive men who have sex with men. HIV/syphilis co-infection was associated with higher virologic failure (odds ratio (95% confidence interval): 1.30 (1.04, 1.63)). Patients with HIV/ syphilis co-infection had lower median CD4(+) T cell counts and CD4/CD8 ratios at baseline. After initiation of ART, patients co-infected with HIV/syphilis had smaller increases in CD4(+) T cell counts and CD4/CD8 ratios than patients infected only with HIV. The rate of recurrence of syphilis or reinfection was 9% (n = 128) during seven years of ART.Conclusion: HIV/syphilis co-infection had a negative impact on immune recovery and antiretroviral effectiveness. RPR titer and HIV viral load should be monitored in patients coinfected with HIV/syphilis, especially in patients with high RPR titers.
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关键词
HIV/syphilis, co-infection, antiretroviral therapy, virologic failure, CD4 response
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