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Normal standards of in vitro induced platelet aggregation.
Annals of the Academy of Medicine, Singapore
|July 1, 1984
Summary
Establishing normal platelet aggregation patterns is crucial for diagnosing bleeding disorders. This study reports reference values for Chinese individuals, aiding laboratory diagnosis.
Area of Science:
- Hematology
- Clinical Pathology
Background:
- In vitro platelet aggregation testing is vital for diagnosing bleeding diathesis.
- Lack of commercial controls necessitates laboratory-specific normal ranges for platelet aggregation.
Purpose of the Study:
- To establish normal patterns of platelet aggregation in a Chinese population.
- To provide reference data for interpreting platelet aggregometry results.
Main Methods:
- Turbidimetric method used to measure in vitro platelet aggregation.
- Fifty normal Chinese controls evaluated using adenosine diphosphate, adrenaline, collagen, and ristocetin.
Main Results:
- Reference ranges for maximal % aggregation, Vmax, and lag time established.
- Platelet aggregation parameters in Chinese comparable to other studies, with variations noted for adrenaline and ristocetin.
- Ristocetin-induced aggregation significantly higher in Chinese compared to Black populations.
Conclusions:
- Laboratory-specific normal patterns are essential for accurate interpretation of platelet aggregometry.
- Findings contribute to understanding ethnic variations in platelet aggregation responses.