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Continuous-flow techniques for platelet concentrate collection: a step toward standardization and yield

J P Hester, R M Kellogg, A P Mulzet

    Journal of Clinical Apheresis
    |January 1, 1985
    PubMed
    Summary
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    This study optimized platelet concentrate collection, yielding 3.8 X 10(11) platelets. Transfused concentrates were effective in 40% of recipients, showing sustained hemostatic efficacy.

    Area of Science:

    • Transfusion Medicine
    • Hematology

    Background:

    • Platelet concentrates are crucial for hemostasis.
    • Optimizing collection methods enhances therapeutic efficacy.

    Purpose of the Study:

    • To correlate donor blood variables with platelet yield.
    • To assess the hemostatic effectiveness of collected platelet concentrates.

    Main Methods:

    • Multiple regression analysis of donor platelet count, blood volume, and collection volume.
    • Dual-stage channel apheresis for leukocyte- and erythrocyte-depleted platelet collection.
    • Assessment of post-transfusion recovery and bleeding time correction in recipients.

    Main Results:

    • Platelet yield correlated with donor precount and collection rate.

    Related Experiment Videos

  • Average reduction in donor peripheral platelet count was 24%.
  • Mean platelet yield was 3.8 x 10(11) with 40% hemostatic effectiveness post-transfusion.

    • Conclusions:

    • The described collection method yields effective platelet concentrates.
    • Donor blood parameters can be optimized for targeted platelet yield.
    • The procedure is effective for sustained platelet collection and patient hemostasis.