von Willebrand factor in CHD and stroke: Relationships and therapeutic implications
- 18 May 2007
- journal article
- research article
- Published by Springer Science and Business Media LLC in Current Treatment Options in Cardiovascular Medicine
- Vol. 9 (3), 180-190
- https://doi.org/10.1007/s11936-007-0011-8
Abstract
Atherosclerotic cardiovascular disease (CVD), which includes coronary heart disease (CHD) and stroke, is now the most common cause of death in the middle aged and elderly in all parts of the world except subSaharan Africa. The direct cause of death is frequently an acute thrombotic arterial occlusion. Because atherosclerosis is a diffuse disease, patients with CHD also have a high risk of ischemic stroke. The hemostatic process is a needed defense mechanism to control hemorrhage after injury but at same time, if overactive, may have the potential to precipitate diseases such as myocardial infarction or stroke in the setting of atherosclerosis. In approximately 1% of all patients with ischemic stroke, and in up to 4% of young adults with stroke, the major precipitant of brain ischemia is a hematologic disorder or coagulopathy that predisposes to thrombosis. von Willebrand factor (vWF) plays an important role in platelet adhesion to subendothelial structures and in the intrinsic pathway of coagulation. It is regarded as an indirect measure of endothelial dysfunction. Deficiency of vWF in von Willebrand’s disease is well established. However, much less is known regarding the pathophysiologic implications of an elevated level of vWF, particularly in relation to CVD and cerebrovascular disease. The importance of vWF in the pathogenesis of this disease is poorly defined and information is limited and inconsistent. Elevated levels of vWF have been variably linked with risk of CHD; causal criteria are not fully met. Relationships with stroke risk are even less well established. Measurement of vWF adds little to risk prediction after considering the major risk factors—age, sex, smoking, raised blood cholesterol, and hypertension. vWF may have a greater role in predicting outcome in subjects with acute coronary syndromes (ACS), stroke, and perhaps atrial fibrillation. Investigation of the use of vWF level to guide treatment of ACS or stroke is ongoing; however, there is no compelling evidence to date.Keywords
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