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目的了解太原市首次/重复无偿献血者艾滋病病毒(HIV)感染情况,评估血液经ELISA筛查后存在的经输血传染HIV的危险度。方法收集2008年-2012年无偿献血者HIV项目实验结果,分别统计男、女首次献血者和重复献血者的HIV阳性数并计算阳性率,用流行率/窗口期数学模型法对经输血传播HIV的残余危险度进行评估。结果太原市2008年-2012年无偿献血者血液标本共389 796次,首次献血者中男性和女性HIV的阳性率分别为0.039 7%和0.001 4%;重复献血者中男性和女性HIV的阳性率分别为0.017 9%和0.004 1%。经评估抗-HIV筛查后无偿献血者HIV的总残余风险为10.518×10-6。结论太原市无偿献血者HIV流行率首次献血者高于重复献血者,男性高于女性,无偿献血者血液仍存在传播HIV的风险。
Objective To understand the HIV / AIDS status of first / repeat blood donors in Taiyuan and assess the risk of transfusion-transmitted HIV after blood screening by ELISA. Methods The HIV-positive cases of unpaid blood donors from 2008 to 2012 were collected. The HIV positive numbers of male and female first donors and repeat donors were collected and the positive rates were calculated. The prevalence and window-based mathematical models were used to analyze the prevalence of HIV The residual risk assessment. Results A total of 389 796 blood samples were collected from unpaid blood donors in Taiyuan from 2008 to 2012. The positive rates of male and female HIV in the first blood donors were 0.039 7% and 0.001 4% respectively. The positive rates of HIV among male and female repeat donors 0.017 9% and 0.004 1%, respectively. The total residual risk of HIV for unpaid blood donors after evaluation of anti-HIV screening was 10.518 × 10-6. Conclusion The prevalence of HIV in unpaid blood donors in Taiyuan is higher than that of repeat donors for the first time, and the male is higher than the female. The blood of HIV-positive people still has the risk of transmitting HIV.