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.
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Non-destructive nature of the deployed imaging modalities (Number of specimens with scanning-induced alterations)
Timeframe: 2 years
Successful 3D visualization of the scanned specimens (generation of 3D datasets)
Timeframe: 2 years