Catàleg general Salut sexual
Syphilis prevalence and incidence among HIV negative men who have sex with men and transgender women in Buenos Aires, Argentina
Resum
BACKGROUND: Syphilis is an important public health problem worldwide; in Argentina the rate of syphilis has increased in recent years, reaching 52.1 people per 100,000 inhabitants in the last year. The objective of this study was to evaluate the prevalence and incidence of syphilis among HIV negative men who have sex with men (MSM) and transgender women (TGW) in order to inform PrEP programs. METHODS: We conducted a retrospective cohort analysis that included all the syphilis results performed among HIV negative MSMs and TGWs at substantial risk of HIV infection defined as any of the following situations in the last 6 months: >5 sexual partners, anal unprotected sex, use of drugs, sexually transmitted infections (STIs) or transactional sex between March 2018-December 2019. Diagnosis of syphilis was made by the combination of nontreponemal tests (venereal disease research laboratory,VDRL) and treponemal tests (fluorescent treponemal antibody absorption, FTA-ABS or Syphilis rapid tests, Determine or SD-Bioline) using both, the standard and the reverse algorithms. PCR in ulcers were performed if available. RESULTS: 276 participants (166 MSMs and 110 TGWs) were included. Median age was 32.8 years among MSMs and 28.1 years among TGWs. At baseline 12 MSMs and 28 TGWs had serology compatible with untreated syphilis (prevalence 14.5 (95%CI 10.8-19.1) with 7.2% (95%CI 4.1-12.2) among MSMs and 25.45% (95%CI 18.2-34.3) among TGWs. During follow-up, MSMs provided 135.4 person-years of follow-up (PYFU) and 19 new syphilis cases, while TGWs provided 22.9 PYFU and 10 incidental syphilis, estimating an incidence of 14 and 43 cases/100-PYFU among MSM and TGWs, respectively. Only 1/3 of TGWs had follow-up. CONCLUSIONS: HIV negative high-risk MSMs and TGWs in Argentina have an extremely high prevalence and incidence of syphilis, highlighting the importance of periodically perform STIs test among this population. Innovative approaches are required to increase retention among TGWs. PrEP programs might an opportunity to prevent, diagnose and treat other STIs.- Tema:
Autoria:
SPADACCINI, Luciana; FROLA, Claudia E.; FIGUEROA, M. I.; PATTERSON, P.; CÉSAR, C.; GISMOND, M.; PÉREZ, C.; FINK, V.; ZALAZAR, Virginia; DELL´ISOLA, E.; CAHN, Pedro; SUED, Omar
Autoria institucional: Fundación Huésped (Argentina)
Autoria institucional: Fundación Huésped (Argentina)
Fitxa bibliogràfica
- Any de publicació:
- 2020
- Descripció física:
- [1] p.
- Format:
- Fulletó
- Tipus de document:
- Col·loquis i ponències
- Notes:
- Póster presentado en la 23rd International AIDS Conference, celebrada de manera virtual del 6 al 10 de julio de 2020.
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