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Improving platelet safety: bacterial contamination of platelets
1University of North Carolina Hospitals, 101 Manning Drive, Chapel Hill, NC 27514, USA. brecher@med.unc.edu
Abstract:
In developed countries, transfusion-transmitted bacterial contamination of platelets is the most common cause of fatalities related to transfusion-transmitted disease. Platelets, to maintain viability and function, must be stored at room temperature (20 degrees-24 degrees C), which creates an excellent growth environment for the proliferation of bacteria. Multiple studies have shown that 1:1000 to 1:2000 platelet units are bacterially contaminated. It is estimated that the risk of a bacterial-related death after a transfusion of a platelet unit ranges from 1:7500 to 1:100,000. The use of bacterial detection to minimize the risk of transfusion-related bacterial sepsis is gaining favor around the world. Implementation of bacterial detection methods would improve safety for patients, result in an extension of the shelf life of platelets, and reduce the outdating of platelets, thus being a cost-saving safety intervention.
Insights
Bacterial contamination in platelet units is a significant risk for transfusion-related fatalities. Implementing bacterial detection methods enhances patient safety and extends platelet shelf life, offering a cost-saving intervention.
Area of Science:
- Transfusion Medicine
- Microbiology
- Public Health
Background:
- Transfusion-transmitted bacterial contamination of platelets is the leading cause of transfusion-related fatalities in developed countries.
- Platelets require room temperature storage (20-24°C), which promotes bacterial growth.
- Bacterial contamination rates range from 1:1000 to 1:2000 platelet units, with a significant risk of sepsis.
Purpose of the Study:
- To highlight the risks associated with bacterial contamination in platelet transfusions.
- To advocate for the implementation of bacterial detection methods in blood banking.
- To demonstrate the benefits of bacterial detection for patient safety and blood product management.
Main Methods:
- Review of existing studies on bacterial contamination in platelet units.
- Analysis of transfusion-related fatality data.
- Evaluation of the impact of bacterial detection on platelet safety and logistics.
Main Results:
- Bacterial contamination is a common issue in stored platelets.
- The risk of bacterial sepsis from platelet transfusion is substantial.
- Bacterial detection is increasingly recognized as a crucial safety measure.
Conclusions:
- Implementing bacterial detection methods is essential to minimize transfusion-related bacterial sepsis.
- Bacterial detection improves patient safety, extends platelet shelf life, and reduces product wastage.
- This intervention offers significant safety and cost-saving benefits in transfusion medicine.
