The primary objective of this project is to determine the role of endothelial glycocalyx (eGC) in impaired microvascular endothelium-dependent reactivity in patients with chronic kidney disease compared to healthy and hypertensive patients without complications (cross-sectional study 1).
Specific objective 1.1: Measure the reactivity of the peripheral microcirculation (using a laser Doppler blood flow meter) and the thickness of eGC (using Glycocheck) in the specified groups.
Specific objective 1.2: Quantify soluble markers of eGC, oxidative stress, and inflammation from serum samples and peripheral blood mononuclear cells (PBMC), as well as antioxidant capacity in the specified groups.
Specific objective 1.3: Determine the relationship between the results of functional tests, eGC, and markers from specific objective 1.2.