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通过对乙肝病毒 DNA(HBV- DNA)和乙型肝炎表面抗原 (HBs Ag)的定量检测 ,以鉴别HBs Ag阳性人群中的具有传染性的部分 ,对乙型肝炎的预防和治疗提供帮助。方法 :测定 443例不同人群血清中的 HBV- DNA的同时应用酶联免疫吸附法对该血清进行 HBs Ag定量检测。结果 :HBs Ag含量在 1 0 ng/ ml水平以下时 ,HBV- DNA阳性率为 1 .4% ;当 HBs Ag含量大于 1 0 ng/ ml范围时 ,HBV- DNA阳性率随浓度的增加而增大。结论 :HBs Ag含量与 HBV- DNA在一定范围有关系。当 HBs Ag大于 1 ng/ml时 ,体内就可能有病毒复制。
Through the quantitative detection of hepatitis B virus DNA (HBV-DNA) and hepatitis B surface antigen (HBsAg), to identify infectious parts of HBsAg-positive population, to help prevent and treat hepatitis B. Methods: Serum HBV-DNA was determined in 443 cases of different populations. At the same time, HBsAg was detected by enzyme-linked immunosorbent assay. Results: The positive rate of HBV DNA was 1.0% when the content of HBs Ag was below 10 ng / ml. The positive rate of HBV DNA was increased with the increase of HBs Ag when the content of HBs Ag was more than 10 ng / ml Big. Conclusion: The content of HBs Ag is related to HBV DNA in a certain range. When HBsAg is greater than 1 ng / ml, the virus may be replicated in the body.