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A Human Ex Vivo Atherosclerotic Plaque Model to Study Lesion Biology
Published on: May 6, 2014
Thrombus formation on atherosclerotic plaques: pathogenesis and clinical consequences
U Rauch1, J I Osende, V Fuster
1Benjamin Franklin Clinic, Department of Cardiology, Free University of Berlin, Berlin, Germany.
Insights
Atherosclerosis and thrombosis are key in vascular disease. New antithrombotic therapies, like factor Xa inhibitors, show promise in preventing cardiovascular events and reducing mortality.
Area of Science:
- Cardiovascular Medicine
- Thrombosis Research
- Atherosclerosis Pathophysiology
Background:
- Thrombus formation on atherosclerotic plaques is central to atherothrombosis and vascular disease.
- Current long-term antithrombotic therapies are often insufficient for preventing acute thrombotic events and atherosclerosis progression.
Purpose of the Study:
- To detail thrombus formation characteristics on atherosclerotic plaques.
- To describe the clinical presentation of atherothrombosis in vascular disease.
- To review emerging therapeutic strategies for cardiovascular disease.
Main Methods:
- Literature review of MEDLINE-indexed articles (up to January 2000) on thrombosis and atherosclerosis.
- Inclusion of experimental, basic, clinical, and epidemiologic studies.
- Analysis of abstracts from recent international meetings and selected references.
Main Results:
- Understanding thrombus formation pathophysiology has spurred new therapeutic developments.
- Novel agents include glycoprotein IIb/IIIa, tissue factor, factor Xa, and thrombin inhibitors.
- Combined therapies (e.g., aspirin, thienopyridine, warfarin) are under investigation for arterial thrombosis.
Conclusions:
- Potent antithrombotic drugs, such as tissue factor or factor Xa inhibitors, are crucial.
- Effective blockade of thrombosis without bleeding complications could significantly decrease cardiovascular mortality.
Purpose:
To describe the characteristics of thrombus formation on atherosclerotic plaques, the clinical expression of atherothrombosis in vascular disease, and some of the most recent therapeutic approaches in cardiovascular disease.
Data Sources:
MEDLINE search for English-language articles on thrombosis and atherosclerosis published up to January 2000. Abstracts of recent international meetings on new aspects of thrombus formation and new therapeutic options were reviewed, and references from identified articles were selected and reviewed.
Study Selection:
Experimental, basic, clinical, and epidemiologic studies related to the pathophysiology of thrombosis on atherosclerotic lesions. Therapeutic approaches were obtained from experimental studies and large clinical investigations.
Data Extraction:
Arterial vessel wall substrate, rheologic conditions, and blood thrombogenicity influence the process of thrombus formation in arteries. Thrombus formation on disrupted atherosclerotic plaques or arterial erosions frequently causes acute coronary syndromes. Severe atherosclerosis of the aorta has been identified as an important morphologic indicator of an increased risk for thromboembolism. Current antithrombotic therapies available as long-term treatment for patients with cardiovascular disease are often not effective enough to prevent acute thrombotic events and deterioration of atherosclerosis.
Data Synthesis:
Improved understanding of the pathophysiology of thrombus formation on atherosclerotic plaques has led to the development of new therapeutic approaches. Glycoprotein IIb/IIIa, tissue factor, factor Xa, and thrombin inhibitors as well as combined antithrombotic therapy, such as aspirin plus a thienopyridine plus warfarin, are being evaluated as new possible options for the treatment of arterial thrombosis.
Conclusions:
Long-term treatment with potent antithrombotic drugs, such as tissue factor or factor Xa inhibitors, that effectively block thrombosis without causing bleeding complications could help reduce death from cardiovascular disease.
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