Risk factors for cerebrovascular disease and the role of coagulation and fibrinolysis

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Abstract
Cerebrovascular disease is one of the major causes of morbidity and mortality in the developed world A number of important risk factors have been identified with the occurrence of stroke, including advancing age, hypertension, smoking and diabetes mellitus, but the mechanisms that link these risk factors to the development of Cerebrovascular disease are unclear. The pathogenesis of cerebrovascular disease includes syndromes of atherothrombotic brain infarction and intracerebral hemorrhage. The role of abnormalities of the coagulation and fribrinolytic systems in these processes has not been properly evaluated with regard to clinical outcome, although there is evidence that raised concentrations of fibrinogen are associated with an increased risk of stroke. Smaller studies have identified increases in FVIII/vWF in association with acute stroke and raised levels of tissue plasminogen activator. Although factor VII is considered a risk factor for coronary artery disease, little is known regarding its role in the development of cerebrovascular disease. Improved understanding of the pathogenesis of stroke and the potential to predict patients at risk of stroke should herald the beginning of new approaches in stroke management.

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