丙型肝炎病毒核心抗原检测在丙型肝炎筛检中的应用

目的探讨丙型肝炎病毒核心抗原(HCV-cAg)对丙型肝炎(简称丙肝)筛查的意义。方法收集2014年10月至2015年10月8 000例门诊及住院患者,用酶联免疫吸附试验(ELISA)检测HCV-cAg、丙型肝炎病毒抗体(HCV-Ab),并对HCVcAg或HCV-Ab阳性标本采用聚合酶链反应(PCR)法检测HCV-RNA进行确诊。结果以HCV-cAg或HCV-Ab阳性为标准,从8 000例血清样本中初步筛查出阳性样本82例,经HCV-RNA确证,其中HCV-RNA阳性73例,阴性9例,HCV-cAg的灵敏度及特异度分别为45.83%和99.98%,HCV-Ab的灵敏度及特异度分别为94.44%和99.90%,联合检测HCV-cAg与HCV-Ab的灵敏度及特异度分别为100.00%和99.86%。结论在丙肝筛检工作中,HCV-cAg与HCV-Ab二者有互补性,联合检测HCV-cAg与HCV-Ab有助于提高HCV筛查率。

Application of hepatitis C virus core antigen detection in hepatitis C Screening

Objective To investigate the clinical significance of HCV core antigen (HCV-cAg )in hepatitis C screening. Methods From October 2014 to October 2015 ,a total of 8000 serum samples were collected from the outpatient and inpatient. HCV-cAg and hepatitis C antibody (HCV-Ab) were detected by using ELISA.The positive samples of HCV-cAg or HCV-Ab were performed the confirmative diagnostic detection by PCR.Results Among 8000 serum samples ,82 positive samples were screened out ,in which 73 cases were HCV-RNA positive by elementary screening with the standard of HCV-cAg or HCV-Ab positive ,a-mong which 72 were HCV-RNA positive and and 9 cases were HCV-RNA negative by HCV-RANA confirmation.The sensitivity and specificity of HCV-cAg were 45.83% and 99.98% ,sensitivity and specificity of HCV-Ab were 94.44% and 99.90% ,which of HCV-cAg and HCV-Ab combined detection were 100.00% and 98.86% respectively.Conclusion HCV-cAg and HCV-Ab play complementary role in HCV screening.Their combined detecting contributes to increase the screening rate of HCV.