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Updated: Jun 17, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
[Mechanism underlying thrombus formation in cerebral infarction]
Kazuo Kitagawa1, Saburo Sakoda
1Department of Neurology, Osaka University Graduate School of Medicine.
Insights
Thrombus formation, influenced by blood flow, components, and vessels (Virchow's triad), requires anticoagulation for cardiogenic embolism and antiplatelet drugs for atherothrombotic stroke prevention.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Neurology
Context:
- Virchow's triad identifies key factors in thrombus formation: blood flow, blood components, and blood vessels.
- Cardiogenic embolism from atrial fibrillation involves fibrin-rich thrombus due to blood stagnation.
- Atherothrombotic and lacunar infarction involve platelet-rich thrombus formation secondary to endothelial injury.
Purpose:
- To differentiate the mechanisms of thrombus formation in cardiogenic embolism and atherothrombotic infarction.
- To outline effective pharmacological strategies for preventing these thrombotic events.
Summary:
- Anticoagulation is the primary treatment for preventing fibrin-rich thrombi in cardiogenic embolism associated with atrial fibrillation.
- Antiplatelet agents like aspirin, clopidogrel, and cilostazol are crucial for preventing platelet-rich thrombi in atherothrombotic infarction and reducing stroke recurrence.
- Statins offer adjunctive benefits by stabilizing plaques and improving endothelial function, further reducing ischemic stroke recurrence.
Impact:
- Provides a clear distinction between two major types of thrombus formation and their respective preventative treatments.
- Highlights the importance of targeted pharmacological interventions based on the underlying pathophysiology of thrombotic events.
- Informs clinical practice regarding the optimal use of anticoagulants, antiplatelet drugs, and statins for stroke prevention.
Abstract:
For thrombus formation, three important factors, blood flow, blood component and blood vessels, have been recognized as Virchow's triad. In cardiogenic embolism with atrial fibrillation, stagnation of blood in the left atrium causes fibrin-rich thrombus. Anticoagulation is the only effective drug for prevention of this type of thrombus. In atherothrombotic and lacunar infarction, injury of endothelium and arterial vessels and platelet play a crucial role of formation of platelet-rich thrombus. Antiplatelet drugs such as aspirin, clopidogrel and cilostazole are effective for prevention of arterial thrombus and stroke recurrence, but other drugs such as statin for plaque stabilization and improvement of endothelial function could be used to reduce the recurrence of ischemic stroke.
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