The arterial endothelium is a complex organ that modulates vascular tone by release of various substances to control perfusion. Endothelial function reflects vascular ageing and health. Already at the earliest stages of atherosclerosis the delicate balance between arterial constriction and relaxation is disturbed. Therefore, non-invasive assessment of endothelial function is a means to identify patients at increased cardiovascular risk, even at levels of disease that cannot be identified with classical imaging techniques that depict arterial wall and/or lumen or with functional assessment of ischaemia. Currently, there is an increasing interest in the early recognition of endothelial dysfunction to streamline and optimise preventive therapeutic measures. In this article, several methods for the assessment of endothelial function are briefly reviewed. In particular, we discuss the fast bed-side assessment of endothelial function by the reactive hyperaemia peripheral arterial tonometry (RH-PAT) method.
Aims: To assess whether better endothelial function increases the likelihood of patients with acute ST-elevation myocardial infarction (STEMI) having initially patent culprit vessels. Clinical data on the relation between endothelial function and culprit vessel patency in STEMI patients are scarce.
In this population of patients with recent STEMI and PPCI, we observed between patients with high hs-CRP and Lp-PLA levels and all other patients no more than numerical differences in endothelial function that did not reach a statistical significance. Nevertheless, further research in larger study populations may be warranted.
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