Clinical Research Directory

Comprehensive Assessment of Morphometric, Functional, Biomechanical and Biological Interactions Between Atherosclerotic Plaque and Platelets Within the Stenosed Coronary Artery

Sponsor: Medical University of Warsaw

Summary

The main objective of the present study is to verify, in vivo, whether shear forces computed solely based on coronary angiography and computational fluid dynamics (CFD) techniques are associated with the biomarkers indicating the prothrombotic tendency of circulating blood in situ - distally and proximally to the coronary stenosis. The study will prospectively assess the relationship between i) the value and distribution of shear rate and shear stress (SS) estimated using three-dimensional angiography and CFD techniques, and ii) atherosclerotic plaque characteristics as assessed by optical coherence tomography (OCT), iii) functional parameters of diseased vessels assessed by vessel fractional flow reserve (vFFR), and iv) in situ platelet activation, as expressed by platelet-derived microvesicles (pMVs) and small extracellular vesicles (sEVs), platelet aggregometry and other serum prothrombotic or inflammatory biomarkers sampled within the coronary artery.

Official title: Comprehensive Assessment of Morphometric, Functional, Biomechanical, and Biological Interactions Between Atherosclerotic Plaque and Blood Platelets Within the Stenosed Coronary Artery in Vivo: a Prospective Study

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