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Die Rolle der Gefasswand in der Pathophysiologie des akuten Koronarsyndroms Merten MHamostaseologie 2006[May]; 26 (2): 123-30The endothelium is of important significance in the development of the acute coronary syndrome. As an endo-/paracrine organ, the endothelium plays a key role in the regulation of the vascular homeostasis. The endothelial integrity and above all the bioavailability of nitric oxide (NO) are essential for the correct function of the endothelium. Cardiac risk factors may lead to an endothelial dysfunction with a consecutive imbalance of the vascular homeostasis. In an inflammatory or prothrombotic state the endothelium shows a number of abnormalities such as oxidative stress, expression of cell adhesion molecules, activation of cell signal-systems (renin-angiotensin-system, CD40/CD40L-system) and especially the loss of NO. The inflammatory cascades lead to coronary atherosclerosis over years or, more instantly, to the acute coronary syndrome caused by endothelial erosion or the rupture of an instable plaque. The knowledge of the pathophysiological processes in the arterial wall during the acute coronary syndrome may lead to the identification of high risk patients and the development of more targeted therapies.|Acute Disease[MESH]|Blood Vessels/*physiopathology[MESH]|Coronary Circulation[MESH]|Coronary Disease/*physiopathology[MESH]|Endothelium, Vascular/*pathology[MESH]|Humans[MESH]|Models, Cardiovascular[MESH]|Syndrome[MESH] |
