深圳市300例MSM人群HIV/梅毒感染状况及行为学特征

目的了解深圳市部分男男同性性行为人群（MSM）艾滋病病毒（HIV）、梅毒感染状况,以及艾滋病相关危险行为,为预防控制性病、艾滋病传播提供依据。方法采用同伴推动抽样（RDS）法,收集2010年1月至2010年4月深圳市男男同性恋人群样本300例,并对该样本人群进行问卷调查,同时对该样本进行HIV和梅毒的实验室检测。结果300例研究对象中,HIV感染率为7.0%,梅毒感染率为12.0%,HIV梅毒合并感染率为2.9%;最近一次与男性发生性行为时安全套的使用率为65.3%,与女性发生性行为时安全套的使用率为48.9%。结论深圳市MSM人群HIV、梅毒感染率较高,危险性行为普遍存在,安全套使用率低,应加强对该人群艾滋病性病相关的宣传教育及干预工作,控制HIV的传播。

Study on HIV/syphilis infections among men who have sex with men and their behavioral feature

Objective To investigate the stauts of HIV/syphilis infection among men who have sex with men（MSM）and high risk behaviors related to HIV/AIDS among them in Shenzhen city so as to provide evidence for prevention of HIV/STD.Methods RDS（Respondent-driven sampling）was used for face to face interviewing of 300 MSM and blood samples were taken to test for detection of HIV/syphilis infection.Results The infectioin rates of HIV,syphilis and HIV/syphilis co-infection were 7.0%,12.0%,and 2.9%.The rate of condom use in the last sexual activity was 65.3% in homosexual MSM,and 48.9% in heterosexual MSM.Conclusion The infection of HIV/syphilis is severe and high risk sexual behaviors were ubiquitous among MSM in Shenzhen city,and the measures for control local HIV/STD（sexually transmitted diseases）among MSM should be strengthened.