乙型肝炎表面抗原和表面抗体同时阳性患者随访分析

Laboratory Medicine and Clinic(2014)

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Abstract
目的:分析乙型肝炎表面抗原(HBsAg)和乙型肝炎表面抗体(抗-HBs)同时阳性的乙型肝炎病毒(HBV )感染者病毒学特征动态变化。方法对53例 HBsAg和抗-HBs同时阳性患者进行平均13.5个月的随访,检测随访前后血清 HBV标志物,并对 HBV DNA进行定量检测及丙氨酸氨基转移酶(ALT)检测,分析其病毒学特征变化特点。结果53例患者随访期间,4例(7.55%)HBsAg转为阴性,13例(24.53%)抗-HBs转为阴性,而36例(67.92%)HBsAg和抗-HBs仍同时为阳性。随访后患者血清 HBsAg与抗-HBs水平、乙型肝炎e抗原(HBeAg )阳性率及ALT水平与随访前相比差异无统计学意义(P>0.05),随访后 HBV DNA水平(3.44±1.60log10)IU/mL较随访前(3.00±1.36)log10 IU/mL降低,差异有统计学意义(P<0.05)。结论大多数 HBsAg与抗-HBs同时阳性的HBV感染者抗原与抗体可长期存在,HBsAg及HBV DNA水平较低、HBeAg阴性患者更易发生HBsAg转阴。
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Key words
hepatitis B virus,HBsAg,anti-HBs,virologic characteristics
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