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HCV的传播方式已肯定有输血、静脉注射(毒品)、污染针头的刺伤等胃肠外途径。但对于相当一部分没有胃肠外接触史的散发型传播途径仍不十分清楚。本项研究调查了104名慢性丙型肝炎患者及其307名家庭成员中的HCV感染情况。患者平均年龄51.5岁,全部为HBsAg阴性,无嗜酒或接触肝毒性化学品的历史。确诊为丙型肝炎的依据是肝功能异常及血液中存在抗-HCV抗体(ELISA)。调查结果表明:307名家属成员
The mode of transmission of HCV has been confirmed by blood transfusions, intravenous (drugs), stabbing of contaminated needles and other parenteral routes. However, it is still not clear for a considerable number of sporadic transmission routes that have no history of parenteral exposure. This study examined HCV infection in 104 patients with chronic hepatitis C and 307 family members. The mean age of patients was 51.5 years, all of whom were HBsAg-negative with no history of alcohol or other exposure to hepatotoxic chemicals. The diagnosis of hepatitis C is based on abnormal liver function and the presence of anti-HCV antibodies (ELISA) in the blood. The survey results show that: 307 family members