Stroke and atherothrombosis: an update on the role of antiplatelet therapy

Andrei V Alexandrov1, Peter Alagona

  • 1Comprehensive Stroke Center, University of Alabama, Birmingham, AL 35294-0017, USA. avalexandrov@att.net

Insights

Atherothrombosis causes ischemic events like stroke. This review examines oral antiplatelet agents, like aspirin and clopidogrel, for preventing recurrent atherothrombotic events, especially in stroke patients.

Area of Science:

  • Cardiovascular Medicine
  • Neurology
  • Pharmacology

Background:

  • Atherothrombosis underlies most acute ischemic events, including stroke, posing significant recurrence risks.
  • Patients with atherothrombosis in one vascular area face heightened vulnerability to events elsewhere.
  • High rates of diabetes and obesity in patients with prior cardiovascular events underscore the need for effective prevention.

Purpose of the Study:

  • To review current guidelines for preventing atherothrombotic events.
  • To focus on the role of oral antiplatelet agents in managing patients with ischemic stroke.

Main Methods:

  • Review of existing literature and clinical guidelines on atherothrombosis prevention.
  • Analysis of data from studies like the CHARISMA trial regarding antiplatelet therapy efficacy.
  • Focus on oral antiplatelet agents, including dual therapy with aspirin and clopidogrel.

Main Results:

  • Atherothrombosis is a major cause of ischemic stroke and cardiovascular events.
  • Dual antiplatelet therapy (aspirin and clopidogrel) may benefit specific stroke patient populations, though not primary prevention.
  • Oral antiplatelet agents are crucial for preventing recurrent atherothrombotic events.

Conclusions:

  • Oral antiplatelet therapy is a cornerstone in preventing atherothrombotic events, particularly in patients with ischemic stroke.
  • Further research may clarify optimal antiplatelet strategies for high-risk populations.
  • Effective management of risk factors like diabetes and obesity is vital alongside antiplatelet therapy.

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