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  • Title: von Willebrand factor and endothelial damage in essential hypertension.
    Author: Blann AD, Naqvi T, Waite M, McCollum CN.
    Journal: J Hum Hypertens; 1993 Apr; 7(2):107-11. PubMed ID: 8510081.
    Abstract:
    The relationship between von Willebrand factor antigen (vWFAg, a specific endothelial cell product) and hypertension was examined. Circulating vWFAg levels were measured in serum from patients attending a hypertension clinic and in normotensive controls. The vWFAg was higher in those patients with uncontrolled hypertension at 131 +/- 34 IU/dl than in controls (90 +/- 30 IU/dl) and in those whose hypertension was controlled 104 +/- 29 IU/dl (P < 0.001). Levels of vWFAg correlated with both SBP (r = 0.42, P < 0.0002) and DBP (r = 0.25, P < 0.05), but serum from neither group of patients was more cytotoxic to cultured endothelial cells in vitro than was serum from controls. Neither symptoms of cardiovascular or peripheral vascular disease or two of its risk factors (hypercholesterolaemia or smoking, alone or in combination) appeared to further increase vWFAg in patients with uncontrolled hypertension. However, vascular disease and the same risk factors did increase vWFAg to 133 +/- 36 IU/dl in those patients with controlled hypertension (P < 0.001). These data indicate a relationship between vWFAg and hypertension and suggest that endothelial damage may indeed be important in the vascular complications of hypertension.
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