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Int J STD AIDS ; 34(10): 702-709, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37146600

RESUMO

BACKGROUND: The prevalence of syphilis is increasing among adolescents and young adults (AYAs) globally. Use of syphilis rapid diagnostic treponemal tests (RDTs) may improve test coverage and same-day treatment. This study aims to determine sensitivity and specificity of two syphilis RDTs. METHODS: A cross-sectional study was conducted in men who have sex with men and transgender women aged 15-24 years attending a sexual health clinic in Bangkok. Syphilis RDTs used were Determine Syphilis TP and Bioline Syphilis 3.0, using whole blood from finger pricks and venipuncture. Treponemal pallidum electrochemiluminescence assay was used as standard reference. RESULTS: From February to July 2022, 200 AYAs with a mean age 21.1 (SD2.1) years were enrolled, including 50 (25.0%) living with HIV. Prevalence of syphilis was 10.5% (95%CI 6.6-15.6), which was higher among AYAs living with HIV (22.0%) compared with AYAs unaffected by HIV (6.7%). Sensitivities of Determine Syphilis TP and Bioline Syphilis 3.0 were 85.7% (95%CI 63.7-97.0) and 66.7% (95%CI 43.0-85.4), respectively. Specificity of both RDTs was 100% (95%CI 98.0-100.0). Performance of RDTs was similar for both specimens. CONCLUSIONS: Syphilis RDTs have high sensitivity and specificity in diagnosing syphilis. It should be considered for use in sexual health clinics with high syphilis prevalence to initiate treatment promptly.


Assuntos
Infecções por HIV , Minorias Sexuais e de Gênero , Sífilis , Masculino , Adolescente , Adulto Jovem , Humanos , Feminino , Adulto , Sífilis/diagnóstico , Sífilis/epidemiologia , Kit de Reagentes para Diagnóstico , Homossexualidade Masculina , Sorodiagnóstico da Sífilis , Testes de Diagnóstico Rápido , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia , Tailândia/epidemiologia , Estudos Transversais , Treponema pallidum , Sensibilidade e Especificidade
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