• Medicine · Jun 2018

    Observational Study

    Hepatitis B virus serosurvey and awareness of mother-to-child transmission among pregnant women in Shenyang, China: An observational study.

    • Qiu-Ju Sheng, Sui-Jing Wang, Yu-Yu Wu, Xiao-Guang Dou, and Yang Ding.
    • Department of Infectious Diseases, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China.
    • Medicine (Baltimore). 2018 Jun 1; 97 (22): e10931e10931.

    AbstractPreventing hepatitis B virus (HBV) mother-to-child transmission (MTCT) is the key to controlling the prevalence of chronic HBV infection. Adequate awareness of hepatitis B in hepatitis B s antigen (HBsAg) positive pregnant women may be helpful to reduce HBV MTCT.The aim of this study was to explore HBV seroprevalence among pregnant women and investigate the level of hepatitis B awareness among HBsAg positive pregnant women.HBV serum biomarkers were tested among pregnant women visiting Shengjing Hospital of China Medical University. HBsAg-positive pregnant women received a HBV DNA test and completed a questionnaire. The different HBV DNA loads were interpreted as follows: 20 to  < 2 × 10 IU/mL was low viral load, 2 × 10 to  < 2 × 10 IU/mL was intermediate viral load and ≥2 × 10 IU/mL was high viral load. The pregnant women with high viral load were treated with telbivudine (LdT). HBV DNA at different times was tested. The rate of HBV MTCT was confirmed at 28 weeks postpartum.HBsAg prevalence among pregnant women was 3.1% (441/14314). There was significant difference in comparing HBsAg prevalence in different age groups (χ = 13.86, P < .01). Among 441 HBsAg-positive pregnant women, 151 (34.2%) were hepatitis B e antigen (HBeAg) positive and 112 (25.4%) had high viral load. After 4 weeks of treatment, the average HBV DNA load of 66 cases with high viral load was (5.0 ± 0.8) log10 IU/mL. The average HBV DNA load at 4 weeks postpartum rebounded to (7.9 ± 1.0) log10 IU/mL, which was not significantly different from that at baseline (t = 1.23, P = .22). At 28 weeks postpartum, the rate of HBV MTCT in the treatment group was significantly lower than that in the observation group (0% vs 12.2%; P = .02). Only 23.4% of pregnant women knew their HBV status before gestation and 17.7% of pregnant women knew the HBV status before delivery. However, only 21.3% of pregnant women realized to need antiviral treatment to prevent MTCT.The pregnant women in Shenyang had a low HBsAg prevalence. Antiviral treatment for pregnant women with high viral load can effectively reduce the rate of HBV MTCT. HBV screening and education among HBsAg-positive pregnant women should be strengthened.

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