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Published on: January 2, 2013
The consequences of administering blood pretested for HBs Ag by third generation techniques: a progress report
The American Journal of the Medical Sciences
|September 1, 1975
Summary
Implementing safer blood practices, including mandatory hepatitis B surface antigen (HBs Ag) testing and donor screening, significantly reduced transfusion-associated hepatitis cases and fatalities. These interventions led to a 63% decrease in estimated hepatitis cases and a substantial drop in deaths.
Area of Science:
- Hepatology
- Public Health
- Transfusion Medicine
Background:
- Transfusion-associated hepatitis posed a significant public health risk.
- Hepatitis B virus (HBV) was a primary concern in blood transfusions.
Purpose of the Study:
- To evaluate the impact of new blood safety measures on transfusion-associated hepatitis.
- To assess the effectiveness of HBs Ag testing and donor interdiction.
Main Methods:
- Elimination of commercial blood sources.
- Mandatory hepatitis B surface antigen (HBs Ag) testing using third-generation assays.
- Identification and removal of infected blood donors.
Main Results:
- An estimated 63% reduction in transfusion-associated hepatitis cases (from 424 to 158).
- A significant decrease in associated fatalities (from 55 to 10).
Conclusions:
- Enhanced blood screening and donor management dramatically improved transfusion safety.
- These interventions effectively reduced the burden of transfusion-transmitted hepatitis.

