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Universal prenatal screening for hepatitis B, Alberta, 1985-1988.
Summary
Universal hepatitis B screening for pregnant individuals is highly effective, protecting most infants from infection. This public health approach is more efficient and cost-effective than selective testing programs.
Area of Science:
- Public Health
- Infectious Disease Prevention
- Hepatitis B Research
Background:
- Hepatitis B infection poses a significant risk to newborns.
- Early identification and intervention are crucial to prevent chronic infection and carrier states.
Purpose of the Study:
- To evaluate the effectiveness and cost-efficiency of a universal prenatal screening program for hepatitis B in Alberta.
- To compare universal screening with selective testing strategies for identifying at-risk infants.
Main Methods:
- Analysis of a cooperative public health program involving multiple healthcare entities since 1985.
- Assessment of screening data to determine the number of infected mothers and protected infants.
- Cost-effectiveness analysis comparing universal screening with a hypothetical selective testing program.
Main Results:
- Routine universal screening identifies nearly 200 infected mothers annually.
- Approximately 90% of infants born to infected mothers receive timely protection (HBIG and HB vaccine).
- Selective testing would miss at least 50% of at-risk infants and incur costs at least four times higher.
Conclusions:
- Universal prenatal screening for hepatitis B (HBsAg) is a highly cost-effective and efficient public health strategy.
- This program successfully protects a vast majority of infants from hepatitis B infection and carrier status.
- It is recommended that all jurisdictions implement similar programs, aligning with ACIP recommendations, unless hepatitis B carrier prevalence is exceptionally low.