Pulse Wave Analysis and Velocity in Patients With Chronic Renal Failure: a Cross-sectional Observational Study to Assess Association With Left Ventricular Hypertrophy, Uremic Toxins and Inflammation.

The aims of the presented study are as follows: 1. To evaluate the endothelial function and arterial stiffness in a large cohort of prevalent CKD patients by means of non-invasive applantion tonometry. 2. To evaluate the association between the serum levels of the representatives of the various classes of uremic toxins and markers of endothelial function and arterial stiffness. 3. To evaluate the association between markers of inflammation and oxidative stress and markers of endothelial function and arterial stiffness. 4. To evaluate the association between echocardiographic parameters and markers of arterial stiffness