Methods for the measurement of platelet function

Alan D Michelson1

  • 1Center for Platelet Function Studies, University of Massachusetts Medical School, Worcester, Massachusetts, USA.

Insights

Monitoring antiplatelet activity is crucial for cardiovascular disease patients. This review compares various platelet function tests to assess their effectiveness in predicting thrombosis and bleeding risks.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Clinical Pathology

Background:

  • Platelet function tests are essential for managing antiplatelet therapy in cardiovascular disease.
  • Monitoring antiplatelet activity helps predict risks of thrombosis and bleeding.

Purpose of the Study:

  • To review and compare various methods for measuring platelet function.
  • To evaluate the utility of these tests in monitoring antiplatelet therapy and predicting clinical outcomes.

Main Methods:

  • The article discusses multiple platelet function measurement techniques.
  • These include aggregometry, impedance aggregometry, and specific assays like VerifyNow and Plateletworks.
  • Other methods evaluated involve flow cytometry markers (P-selectin, activated glycoprotein IIb/IIIa, leukocyte-platelet aggregates), TEG Platelet Mapping, Impact cone and plate analyzer, and Platelet Function Analyzer-100.
  • Biochemical markers such as serum thromboxane B2 and urinary 11-dehydro thromboxane B2 are also considered.

Main Results:

  • Different tests vary in sample volume, use of whole blood, shear stress simulation, point-of-care capability, technical requirements, and cost.
  • The choice of test depends on specific clinical needs and available resources.

Conclusions:

  • A range of platelet function tests are available, each with distinct advantages and disadvantages.
  • Selecting the appropriate test is critical for effective patient management in cardiovascular disease.