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1.
Chinese Journal of Applied Clinical Pediatrics ; (24): 1051-1054, 2014.
Article in Chinese | WPRIM | ID: wpr-453767

ABSTRACT

In China,maternal-infantile transmission of infected chronic hepatitis B is the major route of transmission of hepatitis B virus(HBV).Maternal-infantile transmission interruption is stronger measures to control hepatitis B prevalence and hazards.Now published guidance on maternal-infantile transmission interruption still not reached a consensus.The hot issues such as prenatal hepatitis B imnmune globulin,antiviral treatment,postpartum join immune to interrupt mother-to-child transmission are addressed in the paper.

2.
Chinese Journal of Epidemiology ; (12): 273-278, 2013.
Article in Chinese | WPRIM | ID: wpr-327627

ABSTRACT

Objective To synthesize relevant data and to analyze the benefit-cost ratio on strategies related to preventing the maternal-infantile transmission of hepatitis B virus infection and to explore the optimal strategy.Methods A decision tree model was constructed according to the strategies of hepatitis B immunization and a Markov model was conducted to simulate the complex disease progress after HBV infection.Parameters in the models were drawn from meta-analysis and information was collected from field study and review of literature.Economic evaluation was performed to calculate costs,benefit,and the benefit-cost ratio.Sensitivity analysis was also conducted and a tornado graph was drawn.Results In view of the current six possible strategies in preventing maternal-infantile transmission of hepatitis B virus infection,a multi-stage decision tree model was constructed to screen hepatitis B surface antigen (HBsAg) or screen for HBsAg then hepatitis B e antigen (HBeAg).Dose and the number of injections of HBIG and hepatitis B vaccine were taken into consideration in the model.All the strategies were considered to be cost-saving,while the strategy of screening for HBsAg and then offering hepatitis B vaccine of 10 μg × 3 for all neonates with hepatitis B immunoglobulin (HBIG) of 100 IU × 1 for the neonates born to mothers who tested positive for HBsAg appeared with most cost-saving.In the strategies,the benefit-cost ratio of using 100 IU HBIG was similar to 200 IU HBIG,and one shot of HBIG was superior to two shots.Results from sensitivity analysis suggested that the rates of immunization and the efficacy of the strategy in preventing maternal-infantile transmission were the main sensitive variables in the model.Conclusion The passive-active immune-prophylaxis strategy that using 10μg hepatitis B vaccine combined with 100 IU HBIG seemed to be the optimal strategy in preventing maternal-infantile transmission,while the rates of immunization and the efficacy of the strategy played the key roles in choosing the ideal strategy.

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