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The value of 10-minute posttransfusion platelet counts
B O'Connell1, E J Lee, C A Schiffer
1Division of Hematologic Malignancies, University of Maryland Cancer Center, Baltimore.
Transfusion
|January 1, 1988
Summary
Monitoring platelet counts after transfusion is standard. A study found that platelet counts 10 minutes after transfusion closely predict 60-minute counts, suggesting rapid platelet equilibration and simplifying patient monitoring.
Area of Science:
- Hematology
- Transfusion Medicine
Background:
- Post-transfusion platelet count monitoring is standard clinical practice.
- Current protocols typically involve checking platelet counts 60 minutes after transfusion.
Purpose of the Study:
- To evaluate the correlation between platelet counts measured at 10 minutes and 60 minutes post-transfusion.
- To determine if an earlier time point could reliably predict later platelet levels.
Main Methods:
- A comparative analysis of platelet counts was performed.
- Data from 48 platelet transfusions were analyzed, comparing counts at 10 and 60 minutes post-transfusion.
Main Results:
- A strong, linear relationship (r = 0.98) was observed between 10-minute and 60-minute post-transfusion platelet counts.
- This indicates rapid equilibration of transfused platelets within the first hour.
Conclusions:
- Platelet counts obtained 10 minutes post-transfusion are a reliable indicator of 60-minute counts.
- Utilizing the 10-minute time point offers convenience for patients and medical staff without compromising monitoring accuracy.