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目的探讨孕母HBsAg阳性患者及其新生儿注射乙型肝炎免疫球蛋白(HBIG)前后对外周血中补体C3、C4的影响。方法选取60例HBsAg阳性孕妇自愿在24周、28周、32周注射HBIG 200U,在注射前(自身对照组)及注射结束后,检测补体C3、C4,另选取60例HBsAg阳性患者孕期没有注射HBIG的孕妇作为正常对照。在34周左右抽取静脉血检测补体C3、C4。比较正常对照组与注射组及注射前后C3、C4的变化。其新生儿出生即刻抽取外周血检测补体C3、C4及出生后立即注射HBIG 200U,出生15d注射HBIG 200U,出生1个月时检测补体C3、C4。比较注射前后补体C3、C4的变化。结果孕母注射前后补体C3、C4比较,差异无统计学意义(P>0.05),注射组与正常对照组补体C3、C4的比较差异无统计学意义(P>0.05),其新生儿注射HBIG前后补体C3及C4差异无统计学意义(P>0.05)。结论注射HBIG对孕母HBsAg阳性患者及其新生儿的血清补体C3、C4的水平无明显影响。
Objective To investigate the effects of HBsAg positive pregnant women and their newborns on complement C3 and C4 in peripheral blood before and after the injections of hepatitis B immunoglobulin (HBIG). Methods Sixty pregnant women with positive HBsAg were injected with 200 μg of HBIG voluntarily at 24 weeks, 28 weeks and 32 weeks. Complement C3 and C4 were detected before injection (self-control group) and after injection. Another 60 HBsAg positive patients were injected without pregnancy during pregnancy HBIG pregnant women as a normal control. Venous blood was drawn for about 34 weeks to detect complement C3 and C4. The changes of C3 and C4 in normal control group, injection group and before and after injection were compared. Immediately after birth, newborns were tested for complement C3 and C4 in peripheral blood and 200 U HBIG immediately after birth, and 200 U HBIG 15 days after birth. Complement C3 and C4 were detected at 1 month of birth. The changes of complement C3 and C4 before and after injection were compared. Results There was no significant difference in complement C3 and C4 before and after injection (P> 0.05). There was no significant difference in complement C3 and C4 between injection group and normal control group (P> 0.05). Neonates were injected with HBIG Before and after the complement C3 and C4 difference was not statistically significant (P> 0.05). Conclusion HBIG injection has no significant effect on serum C3 and C4 levels in HBsAg positive pregnant women and their newborns.