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Related Concept Videos

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet 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...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Formation of the Platelet Plug01:22

Formation 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...
Structure and Function of Platelets01:18

Structure and Function of Platelets

The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
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...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant 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...

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Related Experiment Video

Updated: May 17, 2026

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
10:25

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

Published on: March 19, 2016

[Platelet inhibitors in clinical practice].

C Gebhard1, J Beer

  • 1Institut de Cardiologie de Montréal, Montréal, Canada. catherinegebhard@msn.com

Therapeutische Umschau. Revue Therapeutique
|November 3, 2012
PubMed
Summary

New antiplatelet agents like Prasugrel and Ticagrelor offer improved platelet inhibition for acute coronary syndromes but increase bleeding risk. Tailoring treatment based on individual patient factors is crucial for optimal outcomes.

Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Cardiovascular disease is a leading cause of death globally.
  • Antiplatelet agents (aspirin, clopidogrel) are vital for acute coronary syndromes (ACS).
  • Newer agents offer enhanced efficacy but pose increased bleeding risks.

Purpose of the Study:

  • To review novel antiplatelet agents for ACS treatment.
  • To discuss their pharmacological profiles, interactions, and side effects.
  • To explore potential clinical indications in specific patient subgroups.

Main Methods:

  • Review of clinical trials and approved antiplatelet medications.
  • Analysis of pharmacological characteristics and clinical data.
  • Evaluation of patient-specific factors influencing treatment decisions.

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Microfluidics in Assessing Platelet Function
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Microfluidics in Assessing Platelet Function

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Ferric Chloride-induced Murine Thrombosis Models
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Ferric Chloride-induced Murine Thrombosis Models

Published on: September 5, 2016

Related Experiment Videos

Last Updated: May 17, 2026

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
10:25

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

Published on: March 19, 2016

Microfluidics in Assessing Platelet Function
06:47

Microfluidics in Assessing Platelet Function

Published on: November 8, 2024

Ferric Chloride-induced Murine Thrombosis Models
10:37

Ferric Chloride-induced Murine Thrombosis Models

Published on: September 5, 2016

Main Results:

  • Prasugrel and Ticagrelor provide rapid, consistent platelet inhibition.
  • These agents increase bleeding risk in certain patient populations.
  • Personalized treatment selection is essential.

Conclusions:

  • Balancing ischemic and bleeding risks is key in ACS management.
  • Individualized antiplatelet therapy selection is a growing challenge.
  • Further research into tailored treatment strategies is warranted.