Related Experiment Videos
Automated processing of leucocyte-poor platelet concentrates
N P Tandy1, M J Seghatchian, H Bessos
1South-western Regional Transfusion Centre, Bristol, UK.
Summary
Producing leuco-poor platelet concentrates (PC) reduces transfusion reactions. Apheresis and buffy coat methods yield varying PC quality and white cell levels, impacting storage quality.
Area of Science:
- Transfusion Medicine
- Hematology
- Blood Component Processing
Background:
- Leukocyte contamination in platelet concentrates (PC) causes transfusion reactions and alloimmunization.
- There is a clinical need for leuco-poor PC to mitigate these risks.
- Current production methods include buffy coat and apheresis techniques.
Purpose of the Study:
- To compare the efficacy of different methods in producing leuco-poor platelet concentrates (PC).
- To assess PC quality, including white cell content, using various markers.
- To evaluate differences in stored PC quality based on preparation methods.
Main Methods:
- Comparison of PC produced by buffy coat and apheresis techniques.
- Assessment of platelet and white cell counts.
- Evaluation of traditional (hypotonic stress response, pH, lactate, beta-thromboglobulin) and newer (glycocalicin, von Willebrand factor) PC quality markers.
Main Results:
- Significant variations observed in platelet and white cell content among different apheresis equipment.
- Appreciable differences in the quality of stored PC between routine (non-leuco-poor) and leuco-poor PC (buffy coat and apheresed).
Conclusions:
- Apheresis and buffy coat methods for leuco-poor PC production show distinct outcomes in cell content and quality.
- Quality of stored PC varies significantly depending on the preparation method, highlighting the importance of optimized protocols.