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目的 评估东莞地区无偿献血者血液筛查后传播HIV的危险度、评价现有筛查措施的效果并为进一步改进提供科学依据。方法 收集 2 0 0 1年 7月～ 2 0 0 3年 1 0月每一份无偿献血者的资料 ,用数学模型法进行输血传播HIV危险度的研究。结果 在重复无偿献血者中HIV流行率为 0 (0 / 5 1 6 1 ) ,新无偿献血者中为 0 0 2 4 0 % (2 1 /875 2 9)。经评估抗 HIV筛选后的阴性血传播HIV的危险度为 1 / 72 0 4 6。结论 无偿献血者血液虽然经过抗 HIV筛查 ,但仍存在传播HIV的残余风险 ,需进一步采取措施 ,减少残余风险度
Objective To evaluate the risk of HIV transmission after blood screening of blood donors in Dongguan area, evaluate the effect of existing screening measures and provide scientific basis for further improvement. Methods The data of each unpaid blood donator from July 2001 to October 2003 were collected and the risk of HIV transmission by blood transfusion was studied by mathematical modeling. Results The prevalence of HIV in repeat unpaid blood donors was 0 (0/561 6) and 0 024 0% (2 1/875 2 9) in newly unpaid blood donors. The HIV-1 risk of HIV transmission after being evaluated against HIV-negative screening was 1 / 72,046. Conclusion Although the blood of unpaid blood donors has been tested against HIV, there is still a residual risk of transmitting HIV and further measures need to be taken to reduce the residual risk