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Endothelial dysfunction: cardiovascular risk factors, therapy, and outcome

Authors Hadi AR Hadi, Cornelia S Carr, Jassim Al Suwaidi

Published 15 October 2005 Volume 2005:1(3) Pages 183—198

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Hadi AR Hadi, Cornelia S Carr, Jassim Al Suwaidi

Department of Cardiology and Cardiovascular Surgery, Hamad General Hospital – Hamad Medical Corporation, Doha, State of Qatar

Abstract: Endothelial dysfunction is a well established response to cardiovascular risk factors and precedes the development of atherosclerosis. Endothelial dysfunction is involved in lesion formation by the promotion of both the early and late mechanisms of atherosclerosis including up-regulation of adhesion molecules, increased chemokine secretion and leukocyte adherence, increased cell permeability, enhanced low-density lipoprotein oxidation, platelet activation, cytokine elaboration, and vascular smooth muscle cell proliferation and migration. Endothelial dysfunction is a term that covers diminished production/availability of nitric oxide and/or an imbalance in the relative contribution of endothelium-derived relaxing and contracting factors. Also, when cardiovascular risk factors are treated the endothelial dysfunction is reversed and it is an independent predictor of cardiac events. We review the literature concerning endothelial dysfunction in regard to its pathogenesis, treatment, and outcome.

Keywords: endothelial dysfunction, coronary atherosclerosis, coronary artery disease

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