Fibrinogen as a risk factor for coronary heart disease
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Updated: May 3, 2026

Measurement of Factor V Activity in Human Plasma Using a Microplate Coagulation Assay
Published on: September 9, 2012
G Montalescot1, J P Collet, R Choussat
1Centre Hospitalier Universitaire Pitié-Saltpétrire, Paris, France.
Insights
Elevated plasma fibrinogen is an independent risk factor for cardiovascular disease, including heart attack and stroke. This modifiable risk factor predicts events in healthy individuals and those with existing heart conditions.
Area of Science:
- Cardiovascular Medicine
- Hematology
Background:
- Elevated plasma fibrinogen is linked to increased coronary heart disease and stroke.
- Fibrinogen is recognized alongside traditional risk factors like smoking and age.
- This paper focuses on fibrinogen as an independent and modifiable cardiovascular disease risk factor.
Purpose of the Study:
- To discuss fibrinogen as an independent and modifiable risk factor for cardiovascular disease.
- To explore the mechanisms by which elevated fibrinogen contributes to cardiovascular events.
- To highlight the predictive value of plasma fibrinogen levels.
Main Methods:
- Review of existing literature on plasma fibrinogen and cardiovascular events.
- Analysis of pathways linking fibrinogen to atherosclerosis and thrombosis.
- Comparison of fibrinogen's predictive power with other established risk factors.
Main Results:
- Elevated plasma fibrinogen is a strong primary risk factor for cardiovascular disease in healthy individuals.
- It predicts death or recurrent myocardial ischemia in patients with prior coronary events.
- Fibrinogen is also a predictor of accelerated coronary atherosclerosis.
Conclusions:
- Plasma fibrinogen is a significant, independent, and modifiable risk factor for cardiovascular disease.
- Mechanisms include vessel wall infiltration, increased blood viscosity, platelet aggregation, and thrombus formation.
- The predictive association of plasma fibrinogen with cardiovascular events is comparable to that of elevated cholesterol.
Abstract:
An elevated plasma fibrinogen level is associated with increased frequency of coronary heart disease and stoke. Although fibrinogen is also associated with other well-known risk factors such as smoking, age and diet, this paper discusses fibrinogen as an independent and modifiable risk factor for cardiovascular disease. There are several pathways by which acute or chronic increase in fibrinogen levels can lead to a cardiovascular event, especially and atherosclerotic event, including infiltration of the vessel wall by fibrinogen, rheological effects due to increase blood viscosity, increased platelet aggregation and thrombus formation, and increased fibrin formation. Elevated fibrinogen is a strong primary risk factor for cardiovascular disease in healthy individuals. It is also a risk factor for death or recurrence of myocardial ischaemia in patients with a previous coronary event, and a predictor of accelerated coronary atherosclerosis. Indeed, studies confirm that the positive association between plasma fibrinogen levels and cardiovascular events is a predictive as elevated cholesterol levels.
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