Antiplatelet agents in cardiology: the choice of therapy

S R Steinhubl1

  • 1Department of Cardiology, Wilford Hall Medical Center, Lackland AFB, Texas 78236-5300, USA.

Insights

Platelet-rich thrombus drives heart attacks and complications from coronary interventions. New antiplatelet drugs, including aspirin, thienopyridines, and glycoprotein IIb/IIIa inhibitors, offer expanded treatment options.

Area of Science:

  • Cardiovascular Medicine
  • Hematology

Background:

  • Intracoronary thrombus, rich in platelets, is a key factor in acute myocardial infarctions, unstable angina, and percutaneous coronary intervention complications.
  • Aspirin was historically the sole antiplatelet agent for managing these conditions.
  • Recent advancements have significantly expanded antiplatelet options and understanding of their clinical impact.

Purpose of the Study:

  • To review the benefits and limitations of current antiplatelet therapies.
  • To inform clinicians about the evolving landscape of antiplatelet treatment.

Main Methods:

  • Literature review of antiplatelet agents.
  • Analysis of clinical significance and complications of intracoronary thrombosis.

Main Results:

  • The review covers aspirin, thienopyridines (ticlopidine, clopidogrel), and glycoprotein IIb/IIIa inhibitors.
  • The expanding role of dual and triple antiplatelet therapy is acknowledged.

Conclusions:

  • Current antiplatelet regimens offer diverse benefits and limitations.
  • Understanding these agents is crucial for managing thrombotic cardiovascular events.
Abstract

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...
Antianginal Drugs: Calcium Channel Blockers and Ranolazine01:25

Antianginal Drugs: Calcium Channel Blockers and Ranolazine

Angina pectoris, a primary symptom of ischemic heart disease, requires careful pharmacological interventions. In this context, calcium channel blockers (CCBs) and ranolazine have emerged as crucial pharmacotherapeutic agents, providing deep insights into the complexities of angina management.
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
Angina IV: Management01:26

Angina IV: Management

IntroductionThe management of angina requires a comprehensive approach that includes pharmacological therapies, medical procedures, and lifestyle modifications.Pharmacological TherapiesAntiplatelet agents, such as aspirin, clopidogrel, prasugrel, and ticagrelor, play a pivotal role in preventing thrombus formation in patients with angina. These medications inhibit platelet aggregation and reduce the likelihood of myocardial infarction and other cardiovascular events.Anticoagulants, including...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...