Endothelial dysfunction in chronic renal failure.


Cardiovascular disease is a very early phenomenon in the course of chronic renal failure, and increases continuously with decrease of renal function. Endothelial dysfunction seems to be a starting point in vascular changes leading to atherosclerosis and artery calcification. Endothelium, considered the largest organ in the body, has many functions. It senses mechanical and hormonal stimuli and in response the endothelial cells secrete a range of compounds which modulate vascular tone, coagulation, cell proliferation, and inflammation. The central role of endothelium in the development of vascular disease has led to identification of new relevant biomarkers and methods to estimate endothelial function and injury. Arterial stiffness, which is not an early phenomenon in endothelial dysfunction but a common complication of chronic renal failure may be evaluated through Pulse Wave Velocity and Augmentation Index obtained by pulse-wave analysis. Aortic stiffness is an independent predictor of cardiovascular morbidity and mortality in patients with hypertension. A new fascinating aspect of research in endothelial function is rising through the studies on endothelial progenitor cells. These are primitive bone marrow cells that have the ability to mature into endothelial cells and have a physiologic role in the repair of endothelial lesions.

DOI: 10.1053/j.jrn.2010.06.010
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@article{Santoro2010EndothelialDI, title={Endothelial dysfunction in chronic renal failure.}, author={Domenico Santoro and Guido Bellinghieri and Giovanni Conti and Dario Pazzano and Ersilia Satta and Giuseppe Costantino and Vincenzo Savica}, journal={Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation}, year={2010}, volume={20 5 Suppl}, pages={S103-8} }