Abstract
The objective of the study was to evaluate the association between peripheral venous disease (PVD) and arterial endothelial dysfunction (ED). Arterial and venous diseases have been always considered as two completely different entities, but the recent discovery of a relationship between arterial and venous thrombosis have challenged this assumption. ED, considered to be an early process in the pathophysiology of atherosclerotic disease, could represent a common pathogenetic background. We studied 39 healthy volunteers (median age: 34 years; men: 25.6%). PVD was diagnosed using ultrasound examination, arterial ED using flow-mediated dilation (FMD) and FMD normalized for the peak shear rate (nFMD). Compared with controls, participants with PVD had a lower FMD (15.2 versus 23.4%, P < 0.001) and nFMD (12.7 × 10(-3) versus 19 × 10(-3)/second, P < 0.001). People with the most clinically evident disease had the worst endothelial function. In conclusion, our findings, if confirmed in larger population, might corroborate the idea that venous and arterial disease could have common causes.
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