Important in the pathogenesis of many diseases of the cardiovascular system plays a decrease in elasticity and stiffening of the large arteries. Currently, one of the leading places is devoted to the study of the role of the vascular wall in the pathogenesis of hypertension. A number of studies indicate that an increase in the rigidity of the arterial bed is an independent factor of cardiovascular risk: at the same time, the risk of coronary artery disease, stroke, dissecting aortic aneurysms, and overall mortality from cardiovascular diseases is higher.