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Related Experiment Videos

Viability and functional integrity of washed platelets.

A A Pineda1, V W Zylstra, D E Clare

  • 1Blood Bank Service, Mayo Clinic, Rochester, Minnesota.

Transfusion
|July 1, 1989
PubMed
Summary

ACD-saline washing preserves platelet function and survival, unlike simple saline washing which impairs recovery and bleeding time. ACD-saline offers better platelet recovery and intact function for transfusion purposes.

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Area of Science:

  • Transfusion Medicine
  • Hematology
  • Platelet Physiology

Background:

  • Platelet washing is crucial for removing anticoagulants and reducing transfusion reactions.
  • Different washing solutions may impact platelet viability and function.

Purpose of the Study:

  • To compare the viability and functional integrity of platelets washed with saline versus acid-citrate-dextrose-A (ACD-A) solution.
  • To evaluate the impact of washing methods on platelet recovery, survival, and hemostatic function.

Main Methods:

  • Healthy volunteers underwent plateletpheresis and aspirin ingestion.
  • Autologous 111In-labeled platelets were transfused: unwashed (control), saline-washed (SS), and ACD-A saline-washed.
  • Template bleeding time (TBT), platelet survival, and organ uptake (liver/spleen) were measured post-transfusion.

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Main Results:

  • Saline washing significantly reduced platelet recovery (23.47%) compared to ACD-A saline (52.43%) and control (73.17%).
  • Saline-washed platelets showed increased liver uptake (31.9%) and failed to shorten bleeding time.
  • Neither washing method affected overall platelet survival.

Conclusions:

  • ACD-A saline washing preserves platelet function and results in higher recovery than saline washing.
  • Saline washing compromises platelet hemostatic function and increases liver sequestration.
  • ACD-A saline appears to be a superior washing solution for maintaining platelet integrity for transfusion.