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本文仅就 HBsAg 的临床意义作一综述。HBsAg 的消长(一)HBsAg 出现时间感染 HBV 后,HBsAg 为首先出现的病毒标志物。从感染到血中出现 HBsAg 的间隔时间,与接种的途径和数量有关。如数量大,则间隔的时间短,约2～3用。如输入HBsAg 阳性的血,那在输血后2周即可检到;用放射免疫法检测,可在接种后6天即可检到。如数量小,则间隔时间长,可达3～4个月甚至6个月。一般在感染后29～43天(或18～84天)出现。
This article only summarizes the clinical significance of HBsAg. HBsAg depletion (A) HBsAg occurs after the time of infection of HBV, HBsAg is the first viral marker. The time between the onset of infection and the presence of HBsAg in the blood is related to the route and amount of vaccination. If the number of large, then the time interval is short, about 2 to 3. If you enter the HBsAg positive blood, it can be detected two weeks after the transfusion; using radioimmunoassay, can be detected 6 days after inoculation. If the number is small, the interval time is long, up to 3 to 4 months or even 6 months. Generally in the post-infection 29 to 43 days (or 18 to 84 days) appear.