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Finite element analysis in brace treatment on adolescent idiopathic scoliosis

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Abstract

Adolescent idiopathic scoliosis (AIS) is a musculoskeletal disorder characterized as three-dimensional (3D) deformity, and bracing is a common conservative treatment for AIS. Finite element analysis (FEA) is a technique for numerically solving the differential equations arising in engineering and mathematical modeling and has been widely used in biomechanical studies. Recently, FEA has been under intensive focus to improve the clinical outcomes of brace treatment. This review focuses on using FEA to assist brace treatment for AIS and technique choices that may be encountered during the construction of the finite element model (FEM). The construction of geometric models, the mechanical property, element type, the boundary condition, and the observation items of FEA have been summarized while establishing FEM. In each technical aspect, different fields and limitations of FEA are discussed. The observation items based on FEA are collected in addition to the biomechanical value in clinical research. We also summarized the technical aspects of brace treatment by FEA and observation items and provided guidance and directions to improve the brace treatment.

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Funding

This study was supported by the National Natural Science Foundation of China (grant numbers 82072519).

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Authors and Affiliations

  1. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China

    Wenqing Wei & Junlin Yang

  2. Spine Surgery Center, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China

    Tianyuan Zhang & Junlin Yang

  3. Department of Spine Surgery, the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510635, China

    Zifang Huang

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  1. Wenqing Wei
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The concept was proposed by Wenqing Wei. The first draft and literature search were by Wenqing Wei. The review was revised by Tianyuan Zhang and Junlin Yang. All authors commented on the previous versions and approved the final manuscript.

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Correspondence to Junlin Yang.

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Wei, W., Zhang, T., Huang, Z. et al. Finite element analysis in brace treatment on adolescent idiopathic scoliosis. Med Biol Eng Comput 60, 907–920 (2022). https://doi.org/10.1007/s11517-022-02524-0

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