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目的了解吸毒人群中病毒性丙型肝炎(丙肝)病毒(HCV)感染状况及影响因素。方法对北京市石景山区2007-2008年新入所戒毒人员进行问卷调查,并采集5ml静脉血检测抗-HCV。结果345名戒毒人员中,检出抗-HCV阳性者179例,抗-HCV阳性率为51.9%(95%CI:46.6%～57.3%),其中注射吸毒者抗-HCV阳性率为73.5%(169/230),共用注射器吸毒者抗-HCV阳性率为90.5%(76/84)。结论北京市石景山区吸毒人群HCV感染率较高,静脉吸毒和共用针具是传播HCV的高危因素,存在向一般人群传播的可能。
Objective To understand the status and influencing factors of viral hepatitis C virus (HCV) infection among drug users. Methods A questionnaire survey was conducted on newly admitted drug addicts from 2007 to 2008 in Shijingshan District, Beijing, and 5 ml of venous blood was collected to test anti-HCV. Results Of the 345 drug addicts, 179 were positive for anti-HCV, and the positive rate of anti-HCV was 51.9% (95% CI: 46.6% -57.3%). The positive rate of anti-HCV was 73.5% 169/230). The positive rate of anti-HCV among injecting drug users was 90.5% (76/84). Conclusion The HCV infection rate of drug addicts in Shijingshan District of Beijing City is high. Intravenous drug use and sharing needles are the risk factors of transmitting HCV and may spread to the general population.