Data Repository of Finite Element Models of Normal and Deformed Thoracolumbar Spine
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arXiv
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| Format: | Preprint |
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2024
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| author | Rasouligandomani, Morteza del Arco, Alex Chemorion, Francis Kiptengwer Bisotti, Marc-Antonio Galbusera, Fabio Noailly, Jerome Ballester, Miguel Angel Gonzalez |
| author_facet | Rasouligandomani, Morteza del Arco, Alex Chemorion, Francis Kiptengwer Bisotti, Marc-Antonio Galbusera, Fabio Noailly, Jerome Ballester, Miguel Angel Gonzalez |
| contents | Adult spine deformity (ASD) is prevalent and leads to a sagittal misalignment in the vertebral column. Computational methods, including Finite Element (FE) Models, have emerged as valuable tools for investigating the causes and treatment of ASD through biomechanical simulations. However, the process of generating personalized FE models is often complex and time-consuming. To address this challenge, we present a repository of FE models with diverse spine morphologies that statistically represent real geometries from a cohort of patients. These models are generated using EOS images, which are utilized to reconstruct 3D surface spine models. Subsequently, a Statistical Shape Model (SSM) is constructed, enabling the adaptation of a FE hexahedral mesh template for both the bone and soft tissues of the spine through mesh morphing. The SSM deformation fields facilitate the personalization of the mean hexahedral FE model based on sagittal balance measurements. Ultimately, this new hexahedral SSM tool offers a means to generate a virtual cohort of 16807 thoracolumbar FE spine models, which are openly shared in a public repository. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_13041 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Data Repository of Finite Element Models of Normal and Deformed Thoracolumbar Spine Rasouligandomani, Morteza del Arco, Alex Chemorion, Francis Kiptengwer Bisotti, Marc-Antonio Galbusera, Fabio Noailly, Jerome Ballester, Miguel Angel Gonzalez Biological Physics Tissues and Organs Adult spine deformity (ASD) is prevalent and leads to a sagittal misalignment in the vertebral column. Computational methods, including Finite Element (FE) Models, have emerged as valuable tools for investigating the causes and treatment of ASD through biomechanical simulations. However, the process of generating personalized FE models is often complex and time-consuming. To address this challenge, we present a repository of FE models with diverse spine morphologies that statistically represent real geometries from a cohort of patients. These models are generated using EOS images, which are utilized to reconstruct 3D surface spine models. Subsequently, a Statistical Shape Model (SSM) is constructed, enabling the adaptation of a FE hexahedral mesh template for both the bone and soft tissues of the spine through mesh morphing. The SSM deformation fields facilitate the personalization of the mean hexahedral FE model based on sagittal balance measurements. Ultimately, this new hexahedral SSM tool offers a means to generate a virtual cohort of 16807 thoracolumbar FE spine models, which are openly shared in a public repository. |
| title | Data Repository of Finite Element Models of Normal and Deformed Thoracolumbar Spine |
| topic | Biological Physics Tissues and Organs |
| url | https://arxiv.org/abs/2402.13041 |