梅毒检测呈阳性的男男性行为者之间存在异性传播关联的证据。
Evidence of heterosexual bridging among syphilis-positive men who have sex with men.
作者信息
Cunningham S D, Olthoff G, Burnett P, Rompalo A M, Ellen J M
机构信息
Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, 2700 Lighthouse Point, East Suite 210, Baltimore, Maryland 21224, USA.
出版信息
Sex Transm Infect. 2006 Dec;82(6):444-5. doi: 10.1136/sti.2005.019513.
OBJECTIVE
To explore whether heterosexual bridging among syphilis-positive men who have sex with men (MSM) contributes to increased infection rates among adolescent women in Baltimore City, Maryland.
METHODS
Interview data for patients with primary, secondary and early-latent syphilis from January 2001 to July 2005 were linked with their corresponding field records for named exposed contacts to assess prevalence of male bisexual activity and risk profiles of potential male bisexual bridgers and their female sex partners.
RESULTS
None of the women with syphilis reported having known heterosexual relationships with a bisexual man. However, 3.9% and 11.0% of the male sex partners of adolescent females and women aged >25 years with syphilis, respectively, self-reported as MSM or named male sex partners. Likewise, 10.3% of syphilis-positive MSM named female sex partners and 3.0% of syphilis-positive men who did not self-identify as MSM named both male and female sex partners.
CONCLUSIONS
Sexual network links exist between syphilis-positive MSM and heterosexual women, but the extent of bisexual behaviour among men is not detectable by self-identification and disclosure to female sex partners.
目的
探讨与男性发生性关系的梅毒阳性男性（男男性行为者）中的异性恋桥梁作用是否会导致马里兰州巴尔的摩市青少年女性感染率上升。
方法
将2001年1月至2005年7月期间原发性、继发性和早期潜伏梅毒患者的访谈数据与其相应的关于指名暴露接触者的现场记录相联系，以评估男性双性恋活动的患病率以及潜在男性双性恋桥梁者及其女性性伴侣的风险概况。
结果
梅毒女性患者中无人报告与双性恋男性有已知的异性恋关系。然而，患有梅毒的青少年女性和25岁以上女性的男性性伴侣中，分别有3.9%和11.0%自我报告为男男性行为者或指名男性性伴侣。同样，10.3%的梅毒阳性男男性行为者指名女性性伴侣，3.0%未自我认定为男男性行为者的梅毒阳性男性指名男性和女性性伴侣。
结论
梅毒阳性男男性行为者与异性恋女性之间存在性网络联系，但通过自我认定和向女性性伴侣披露，无法检测到男性双性行为的程度。
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