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Platelet function in variable platelet split products intended for neonatal transfusion.

Erwin F Strasser1, Daniel K Stachel, Peter Schwarzkopf

  • 1Department of Transfusion Medicine and Hemostaseology and the Pediatric Clinic, University Hospital, FAU, Erlangen-Nürnberg, Germany. erwin.strasser@trans.imed.uni-erlangen.de

Transfusion
|May 12, 2006
PubMed
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Neonatal platelet (PLT) aliquot variability impacts transfusion safety. Further PLT counts are needed before administering these critical blood products to infants.

Area of Science:

  • Transfusion Medicine
  • Neonatal Hematology
  • Platelet Physiology

Background:

  • Limited research exists on the impact of variable platelet (PLT) aliquot production on neonatal transfusion.
  • Standardization and quality control for neonatal PLT transfusions are lacking.

Purpose of the Study:

  • To investigate the effects of different methods and storage times of platelet (PLT) split products on PLT function.
  • To assess the quality and variability of PLT aliquots intended for neonatal transfusion.

Main Methods:

  • Platelet (PLT) split products were prepared using different methods (bag vs. syringe) and stored for varying durations (1-4 days, 2-4 hours).
  • Platelet (PLT) function was evaluated by measuring pH, lactate, P-selectin expression, and cytokine levels (beta-thromboglobulin, PDGF-AB).

Related Experiment Videos

  • Syringe passage effects on PLT function were also assessed.

    • Main Results:

    • Significant variability in PLT content (up to 40% deviation) and loss (13-19%) was observed in split units.
    • Different container types affected pH, but PLT metabolism remained acceptable.
    • Storage for 4 days increased P-selectin expression, while storage beyond 3 days elevated beta-TG and PDGF-AB.
    • Syringe passage reduced pO2 and increased lactate levels.

    Conclusions:

    • High variability in platelet (PLT) content necessitates additional pre-transfusion PLT counts for neonatal infants.
    • Ensuring consistent quality of split platelet (PLT) products is crucial for safe neonatal transfusions.