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Clinical effect of tenofovir disoproxil in treatment of chronic hepatitis B and its effect in blocking mother-to-child transmission of chronic hepatitis B during early pregnancy
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摘要: 目的探讨慢性乙型肝炎（CHB）妇女妊娠早期使用替诺福韦酯（TDF）抗病毒的疗效及母婴阻断有效性。方法选择2014年7月-2016年12月在南昌第九医院门诊及住院的CHB孕妇164例及其分娩的新生儿为观察对象,按患者意愿分为治疗组（n=80,孕妇在妊娠早期予以TDF 300 mg/d,并在妊娠结束后按照CHB的抗病毒处理原则进行治疗）和对照组（n=84,不接受抗病毒治疗）。2组婴儿出生后均接受乙型肝炎免疫球蛋白和乙型肝炎疫苗。观察孕期肝、肾功能,电解质、心肌酶谱,血、尿常规,HBV血清标志物、HBV DNA的变化及不良反应。检测婴儿出生时、6个月及12个月时HBs Ag、HBV DNA,评价新生儿HBV感染情况、生长发育情况及并发症,并进行Apgar评分。计量资料2组间比较采用t检验;计数资料2组间比较采用χ2检验。结果治疗组与对照组ALT复常率、HBV DNA阴转率在妊娠18、24和36周的比较差异均有统计学意义（ALT复常率:χ2值分别为19. 145、24. 990、36. 414,P值均<0. 001; HBV DNA阴转率:χ<...Abstract: Objective To investigate the antiviral effect of tenofovir disoproxil ( TDF) in women with chronic hepatitis B ( CHB) and its effect in blocking mother-to-child transmission of CHB during early pregnancy. Methods A total of 164 pregnant women who were diagnosed with CHB in Nanchang Ninth Hospital from July 2014 to December 2016 were enrolled, and their neonates were also enrolled as subjects. According to their will, the patients were divided into treatment group with 80 patients and control group with 84 patients. The patients in the treatment group were given TDF 300 mg/d during early pregnancy, followed by antiviral therapy for CHB after delivery, and those in the control group did not receive antiviral therapy. All neonates were given hepatitis B immunoglobulin and hepatitis B vaccine after birth.The changes in liver and renal function, electrolytes, myocardial zymogram, routine blood and urine test results, HBV serum markers, and HBV DNA were observed, and adverse reactions were recorded. HBsAg and HBV DNA were measured for infants at birth and at 6 and 12 months after birth; HBV infection, growth and development, and complications were evaluated, and Apgar score was determined. The t-test was used for comparison of continuous data between two groups, and the chi-square test was used for comparison of categorical data between groups. Results There were significant differences between the treatment group and the control group in alanine aminotransferase ( ALT) normalization rate, and HBV DNA clearance rate at 18, 24, and 36 weeks of pregnancy ( ALT normalization rate: χ2= 19. 145, 24. 990, and 36. 414, all P < 0. 001; HBV DNA clearance rate: χ2= 75. 526, 107. 412, and 38. 138, all P < 0. 001) . The infants were evaluated at birth and at 6 and 12 months, and there were significant differences between the treatment group and the control group in HBsAg positive rate ( χ2= 6. 089, 5. 074, and 5. 074, all P < 0. 05) and HBV DNA positive rate ( χ2= 5. 074, P < 0. 05) . There was no significant difference in Apgar score between the two groups ( P > 0. 05) , and their growth and development indices were within normal ranges. Conclusion TDF administration in early pregnancy can help with the recovery of liver function and is safe and effective in blocking the mother-to-child transmission of HBV.
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Key words:
- hepatitis B, chronic /
- pregnancy /
- pregnancy women /
- tenofovir /
- therapeutics
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