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Related Experiment Videos

Providing leukocyte-reduced platelets using the CS-3000 PLUS

E D Abreu1, R G Strauss, D G Cordle

  • 1Elmer L. DeGowin Memorial Blood Center, Department of Pathology, University of Iowa Hospitals and Clinics, Iowa City 52242, USA.

Journal of Clinical Apheresis
|January 1, 1996
PubMed
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Optimizing blood bank filtration effectively reduces white blood cell (WBC) contamination in platelet (PLT) concentrates. This method ensures satisfactory WBC reduction and PLT yield, improving transfusion safety.

Area of Science:

  • Transfusion Medicine
  • Hematology
  • Blood Banking

Background:

  • Leukocyte (WBC) contamination in platelet (PLT) concentrates can cause adverse transfusion reactions.
  • Bedside filtration for WBC reduction proved difficult to quantify, necessitating a shift to blood bank procedures.

Purpose of the Study:

  • To establish optimal methods for producing WBC-reduced PLTs using the CS-3000 PLUS apheresis system.
  • To refine filtration techniques to balance WBC removal efficiency with PLT yield.

Main Methods:

  • The study involved three phases of technical modifications with the CS-3000 PLUS system.
  • Phase 1 used PALL LRF-10H filters, Phase 2 incorporated PLT-30 chambers and Fenwal filters, and Phase 3 optimized interface offset settings.

Main Results:

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  • Initial methods resulted in either excessive PLT loss or inadequate WBC reduction.
  • The final optimized method using the CS-3000 PLUS, PLT-30 chamber, integral filter, and an offset of 6 achieved satisfactory results.
  • The final method yielded a mean PLT count of 4.29 x 10(11) per unit with a mean WBC contamination of 0.50 x 10(6).

Conclusions:

  • Blood bank-based filtration using the CS-3000 PLUS system with specific components and settings is effective for producing WBC-reduced PLTs.
  • The optimized method successfully balances the need for low WBC contamination with high PLT recovery, enhancing transfusion safety.