2011-2013年南充市吸毒人群艾滋病哨点监测结果分析

Sentinel Surveillance on AIDS in Drug Addicts in Nanchong,2011-2013

目的了解吸毒人群艾滋病、梅毒及丙肝的流行现状及艾滋病相关知识、危险行为的变化情况,为制订防控策略和措施提供一定的科学依据。方法按照国家哨点监测方案的要求,对社区吸毒者采用滚雪球方法招募,对新进入监管场所的吸毒者进行问卷调查,并采集外周5 ml以上静脉血进行HIV、梅毒和丙肝的检测;汇总分析2011-2013年四川省南充市按照上述方法获得的吸毒人员艾滋病哨点监测资料。结果 3年共调查吸毒人员1 218名,采血1 218份。男女之比为2.43∶1,年龄30-49岁占75.94%。艾滋病相关知识知晓率较高（维持在95.37%-96.50%）之间,最近1月注射毒品比例呈上升趋势（χ^2=18.01,P〈0.01）,最近1年商业性行为坚持使用安全套率由2011年的9.68%上升到2013年的40.18%,但最近1年与固定性伴发生性行为坚持使用安全套率由19.79%下降为12.50%。HIV、梅毒、丙肝抗体阳性率分别为0.90%、13.14%和59.69%。结论 2011-2013年南充市吸毒人群HIV感染率处于较低水平,但梅毒和丙肝感染率偏高,高危因素普遍存在,须继续加强吸毒人群的综合干预,防止艾滋病等疾病的传播扩散。

Objective To analyze the epidemic trend of AIDS, syphilis and hepatitis C and associated knowledge awareness and risk behaviors, and to provide references for formulating prevention and control measures. Methods According to the request of the National Sentinel Surveillance Scheme, the drug addicts in the com- munity were recruited by snowball sampling method. The new admitted drug addicts were surveyed with ques- tionnaires and were tested of peripheral venous blood with a quantity of 5 ml for items of HIV, syphilis and hepatitis C. The data collected by the aforementioned method in 2011 -2013were statistically analyzed. Resuits There were 1218drug addicts were investigated, with a gender ratio of 2.43 ： 49accounted for 75.94% of rate associated with AIDS was 1. Those with age 30 - the total. The awareness relatively high （95.37% -96. 50% ）. The proportion of injecting drug users in- creased in the last month （χ^2 = 18.01, P 〈0.01） The use rate of condom in commercial sex in the last year