Abstract
Aortic valve disease is one of the most common heart valve diseases. Among various approaches treating this valve pathology we address aortic valve reconstruction with glutaraldehyde-treated autologous pericardium. This procedure is attractive due to its cost and effectiveness. A surgical planning system based on patient-specific modeling allows surgeons to compare different shapes of valve leaflet and to choose optimal reconstruction strategies. We develop a numerical framework for assessment of valve function that can be utilized by surgeons during patient-specific decision making. The framework includes automatic CT image segmentation, mesh generation, simulation of valve leaflet deformation by mass-spring approach. The final decision is based on uncertainty analysis and leaflets shape optimization. This paper gives a proof of concept of our methodology: segmentation, meshing and deformation simulation methods are presented in details.
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Acknowledgements
The authors thank P. A. Karavaykin for problem formulation and valuable discussions, Ph. Yu. Kopylov for providing patient-specific data, and G. V. Kopytov for the development of user’s interface for our methodology. The work was supported by the Russian Foundation for Basic Research (RFBR) under grant 17-01-00886.
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Danilov, A., Liogky, A., Pryamonosov, R., Salamatova, V. (2019). Patient-Specific Geometric Modeling of an Aortic Valve. In: Garanzha, V., Kamenski, L., Si, H. (eds) Numerical Geometry, Grid Generation and Scientific Computing. Lecture Notes in Computational Science and Engineering, vol 131. Springer, Cham. https://doi.org/10.1007/978-3-030-23436-2_16
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DOI: https://doi.org/10.1007/978-3-030-23436-2_16
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