HIV阳性结果告知对男男性行为者高危性行为的影响

Effect of informed HIV positive results on change of high-risk sexual behavior among men who have sex with men

目的了解HIV阳性结果告知对男男性行为者(MSM)行为改变的影响。方法 2011年1月-2012年12月,对1 365名MSM进行问卷调查和梅毒快速血浆反应素环状卡片试验(RPR)、梅毒螺旋体血球凝集试验(TPPA)、艾滋病病毒(HIV)抗体初筛检测及确认,对121名HIV确认阳性者进行规范面对面告知,6个月后对纳入研究的HIV阳性者进行随访,比较阳性结果告知前后艾滋病(AIDS)知识知晓、高危性行为特征及性病感染情况。结果 79名MSM完成随访,阳性结果告知后51.9%的感染者减少了肛交行为,49.4%的减少了性伴数,55.7%的在性行为时安全套使用率提高,告知前后肛交行为、多性伴、不使用安全套等高危性行为发生率,差异均有统计学意义(P<0.05)。结论阳性结果告知能有效降低MSM人群高危性行为发生率,应加强告知的规范性,确保告知的效果。

Objective To investigate the effect of informed HIV positive results on change of high-risk behavior among men who have sex with men（MSM）.Methods Totally 1 365 MSM were recruited in this study during January 2011 and December2012,aquestionnaire survey,rapid plasma reagin circle card test（RPR）,treponema pallidum hemagglutination test（TPPA）,the AIDS virus（HIV）antibody screening test and confirmation were conducted.Of whom 121 infections with HIV-positive informed face to face regularly and follow up was done for HIV positive infections after 6months,then comparison the results on HIV/AIDS knowledge awareness,sexual behavior and venereal disease infection before and after they were being informed.Results Seventy nine MSM accomplished this follow up,55.7% of infections decreased anal sex,49.4%reduced the number of sex partners,and 55.7%increased condom use when had sexual behaviors.Statistical differences were all shown before and after the comparison on high-risk sex behaviors above mentioned.Conclusion HIV positive results inform can effectively reduce high-risk sexual behavior among MSM.Standardization of HIV positive inform should be strengthened to ensure the effect.