2013-2017年四川省绵阳市艾滋病疫情分析

Analysis of AIDS Epidemic Situation in Mianyang of Sichuan Province From 2013 to 2017

目的了解绵阳市艾滋病疫情变化趋势和流行现状,评价防治效果,为制定防治策略提供参考依据。方法对绵阳市HIV/AIDS病例进行描述性流行病学分析。结果截至2017年底,绵阳市报告存活HIV/AIDS 3 533例,全人群感染率为0.073%。其中HIV 2 023例,AIDS 1 510例。2017年新报告HIV/AIDS 928例,近5年新发现病例平均增长率为25.58%。15~20岁青少年感染者构成比由2013年的3.66%上升到2015年的5.26%,但在2016年下降到2.67%,2017年稳定在2.8%。50岁以上中老年感染者/病人构成比由2013年的23.56%上升到2017年的44.29%,5年间上升了20.73个百分点。以经性传播为主,异性传播构成比从2013年的69.90%上升到2017年的80.17%,男男同性传播构成比从2013年的27.23%下降到17.35%。结论由于筛查力度加大等原因,绵阳市近5年艾滋病疫情增长较快,在男男同性传播干预和青少年艾滋病防治方面取得一定成效,但异性传播控制难度大,需要进一步在控制传染源和重点人群干预方面采取有效措施,遏制艾滋病疫情。

Objective To understand the changing trend and current status of Acquired Immune Deficiency Syndrome （AIDS） epidemic in Mianyang, evaluate the effect of prevention and treatment, and therefore to provide references for the prevention and treatment strategies. Methods The HIV/ AIDS cases reported from 2013 to 2017 were analyzed by using the descriptive epidemiological method. Results By the end of 2017, in Mianyang city, 3 533 surviving HIV/AIDS cases were reported, and the infection rate of the whole population was 0. 073% , including HIV 2 023 cases and AIDS 1 510 cases. In 2017, there were 928 new cases of HIV/ AIDS reported, and the average growth rate of newly detected cases in the last five years was 25.58%. The proportion of young people aged between 15 and 20 years ＂ old increased from 3.66% in 2013 to 5.26% in 2015, but dropped to 2. 67% in 2016 and was stable at 2. 8% in 2017. The proportion of people aged 50 and older who was infected person or patient increased from 17.84% in 2013 to 29.20% in 2017, with an increasion of 11.66 percentage points over five years. With sexual transmission as the main path, the ratio of heterosexual transmission rose from 69.90% in 2013 to 80. 17% in 2017, while the ratio of male - to - male transmission dropped from 27.23% in 2013 to 17.35%. Conclusion As a result of increased screening and other reasons grown rapidly achievements transmission , the AIDS epidemic in Mianyang has in recent five years, and has made certain in the interventions of male - to - male and the prevention and treatment of adolescents AIDS. However, heterosexual transmission control is difficult and more effective measures for further controlling the source of infection controlled and key crowd intervention needs to be taken to curb the rapid growth of the AIDS epidemic.