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Methodology of generation of CFD meshes and 4D shape reconstruction of coronary arteries from patient-specific dynamic CT
Abstract
Due to the difficulties in retrieving both the time‑dependent shapes of the vessels and the generation of numerical meshes for such cases, most of the simulations of blood flow in the cardiac arteries use static geometry. The article describes a methodology for generating a sequence of time‑dependent 3D shapes based on images of different resolutions and qualities acquired from ECG‑gated coronary artery CT angiography. The precision of the shape restoration method has been validated using an independent technique. The original proposed approach also generates for each of the retrieved vessel shapes a numerical mesh of the same topology (connectivity matrix), greatly simplifying the CFD blood flow simulations. This feature is of significant importance in practical CFD simulations, as it gives the possibility of using the mesh‑morphing utility, minimizing the computation time and the need of interpolation between boundary meshes at subsequent time instants. The developed technique can be applied to generate numerical meshes in arteries and other organs whose shapes change over time. It is applicable to medical images produced by other than angio‑CT modalities.
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Authors (12)
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Krzysztof Psiuk-Maksymowicz
- Department of Systems Biology and Engineering, Silesian University of Technology, 44-100 Gliwice, Poland; Biotechnology Centre, Silesian University of Technology, 44-100 Gliwice, Poland.
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Damian Borys
- Department of Systems Biology and Engineering, Silesian University of Technology, 44-100 Gliwice, Poland; Biotechnology Centre, Silesian University of Technology, 44-100 Gliwice, Poland.
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Bartlomiej Melka
- Biomedical Engineering Lab, Department of Thermal Technology, Silesian University of Technology, 44-100 Gliwice, Poland
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Maria Gracka
- Biomedical Engineering Lab, Department of Thermal Technology, Silesian University of Technology, 44-100 Gliwice, Poland
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Wojciech Adamczyk
- Biomedical Engineering Lab, Department of Thermal Technology, Silesian University of Technology, 44-100 Gliwice, Poland
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Marek Rojczyk
- Biomedical Engineering Lab, Department of Thermal Technology, Silesian University of Technology, 44-100 Gliwice, Poland
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Jaroslaw Wasilewski
- Third Department of Cardiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland; Silesian Centre for Heart Diseases, 41-800 Zabrze, Poland
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Jan Głowacki
- Silesian Centre for Heart Diseases, 41-800 Zabrze, Poland; Department of Radiology and Radiodiagnostics, Medical University of Silesia, 41-800 Zabrze, Poland
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Mariusz Kruk
- Department of Coronary and Structural Heart Diseases, National Institute of Cardiology, 04-628 Warsaw, Poland
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Ziemowit Ostrowski
- Biomedical Engineering Lab, Department of Thermal Technology, Silesian University of Technology, 44-100 Gliwice, Poland
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Ryszard Bialecki
- Biomedical Engineering Lab, Department of Thermal Technology, Silesian University of Technology, 44-100 Gliwice, Poland
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1038/s41598-024-52398-5
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Scientific Reports
no. 14,
ISSN: 2045-2322 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Psiuk-Maksymowicz K., Borys D., Melka B., Gracka M., Adamczyk W., Rojczyk M., Wasilewski J., Głowacki J., Kruk M., Nowak M., Ostrowski Z., Bialecki R.: Methodology of generation of CFD meshes and 4D shape reconstruction of coronary arteries from patient-specific dynamic CT// Scientific Reports -Vol. 14,iss. 1 (2024),
- DOI:
- Digital Object Identifier (open in new tab) 10.1038/s41598-024-52398-5
- Sources of funding:
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- COST_FREE
- Verified by:
- Gdańsk University of Technology
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