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Updated: May 31, 2026
06:32
Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor
Published on: May 2, 2025
Role of platelet function testing in clinical practice: current concepts and future perspectives
Dirk Sibbing1, Robert A Byrne, Adnan Kastrati
1Deutsches Herzzentrum München and 1. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Germany. dirk@sibbing.net
Current Drug Targets
|July 2, 2011
Summary
Platelet function testing helps optimize antiplatelet therapy for patients undergoing coronary stent placement. This approach aims to balance effective clot prevention with a reduced risk of bleeding complications.
Area of Science:
- Cardiology
- Pharmacology
- Clinical Medicine
Background:
- Oral antiplatelet therapy is standard for acute coronary syndrome (ACS) and percutaneous coronary intervention (PCI) to prevent thrombus formation.
- Variable patient response to aspirin and clopidogrel is linked to ischemic events.
- Newer agents like prasugrel and ticagrelor offer potent alternatives.
Purpose of the Study:
- To review platelet function tests for monitoring antiplatelet therapy.
- To examine the current role of these tests in clinical practice, especially post-PCI.
- To discuss the potential for optimizing treatment balance between efficacy and bleeding risk.
Main Methods:
- Review of available platelet function assays.
- Overview of relevant clinical studies.
- Examination of current clinical practice and ongoing trials.
Main Results:
- Platelet function tests are available for near-patient monitoring.
- Evidence suggests a link between attenuated platelet response and adverse events.
- The role of testing in routine practice is under evaluation.
Conclusions:
- Platelet function testing may optimize antiplatelet therapy, balancing inhibition and bleeding risk.
- Widespread adoption depends on ongoing trial results guiding treatment decisions.
- This review explores test characteristics, studies, and current clinical utility in stent patients.
Related Concept Videos
01:18Structure and Function of Platelets
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Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000 platelets, with...
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000 platelets, with...
01:20Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
01:22Formation of the Platelet Plug
The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
01:16Clot Retraction and Fibrinolysis
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...