Coronary Artery Disease Clinical Trial
Official title:
Deploying Novel Imaging Modalities Towards a Three-dimensional (3D) CARDIOvascular PATHology: the 3D-CARDIOPATH Study
The goal of the 3D-CARDIOPATH study is to investigate the potential added value of emerging 3D imaging modalities by imaging ex vivo cardiac specimens (diseased coronary arteries, calcific aortic valves, and thrombotic materials) in 3D. Specifically, 20 cadaveric coronary artery segments with advanced atherosclerosis will be received from 10 patients with SCD. These segments will first be scanned with intravascular imaging modalities, namely optical coherence tomography (OCT) and intravascular ultrasound (IVUS), and then with micro-computed tomography (micro-CT) and light sheet fluorescence microscopy (LSFM). Additionally, 30 thrombotic specimens aspirated from patients with ST-elevated myocardial infarction, will also be scanned using micro-CT. Finally, 30 surgically removed aortic valves will undergo scanning with micro-CT and LSFM. Traditional histopathological assessment will also be performed on the scanned specimens. Patient laboratory profiles, past medical histories, demographic characteristics, and therapeutic management will be recorded, where applicable.
The 3D-CARDIOPATH study aims to provide 3D volumetric insights into well-characterized disease entities such as Coronary artery disease (CAD) and calcific aortic valvular disease (CAVD). Therefore, this study aims to visualize in 3D: 1. cadaveric coronary artery samples collected from adults with sudden cardiac death (SCD); 2. thrombotic specimens aspirated during percutaneous coronary intervention (PCI) procedures in patients with ST-elevated myocardial infarction (STEMI); and 3. calcific aortic valves surgically removed from patients with CAVD undergoing cardiac surgery for valve replacement. The utilized 3D imaging means will be: 1. optical coherence tomography (OCT), intravascular ultrasound (IVUS), micro-computed tomography (micro-CT) and light sheet fluorescence microscopy (LSFM) for the assessment of the collected cadaveric coronary arteries; 2. micro-CT for the assessment of the aspirated thrombotic material 3. LSFM and micro-CT for the assessment of the resected aortic valves. Finally, the scanned specimens will be histopathologically assessed at the First Department of Pathology in Athens, Greece by experienced pathologist. ;
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