Biomechanical Role of Bone Grafting for Calcaneal Fracture Fixation in the Presence of Bone Defect: A Finite Element Analysis Article Swipe

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Zhihao Su , Ming Ding , Ning Zhu , James Chung‐Wai Cheung , Duo Wai‐Chi Wong , Wanju Sun , Ming Ni ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.21203/rs.3.rs-3620754/v1

Background The purpose of this study was to compare the biomechanical stress and stability of calcaneal fixations with and without bone defect, before and after bone grafting, through a computational approach. Methods A finite element model of foot-ankle complex was reconstructed, impoverished with a Sanders III calcaneal fracture without bone defect and with moderate and severe bone defects. Plate fixations with and without bone grafting were introduced with walking stance simulated. The stress and fragment displacement of the calcaneus were evaluated. Results Moderate and severe defect increased the calcaneus stress by 16.11% and 32.51%, respectively and subsequently decreased by 10.76% and 20.78% after bone grafting. The total displacement was increased by 3.99% and 24.26%, respectively by moderate and severe defect, while that of posterior joint facet displacement was 86.66% and 104.44%. The former was decreased by 25.73% and 35.96% after grafting, while that of the latter was reduced by 88.09% and 84.78% for moderate and severe defect, respectively. Conclusions Our FE prediction supported that bone grafting for fixation could enhance the stability and reduce the risk of secondary stress fracture in cases of bone defect in calcaneal fracture.

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Calcaneus Bone grafting Ankle Calcaneal fracture Medicine Fixation (population genetics) Displacement (psychology) Orthodontics Bone fracture Fracture (geology) Materials science Dentistry Surgery Composite material Radiology Psychology Environmental health Psychotherapist Population

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Type: preprint
Language: en
Landing Page: https://doi.org/10.21203/rs.3.rs-3620754/v1
PDF: https://www.researchsquare.com/article/rs-3620754/latest.pdf
OA Status: green
References: 47
Related Works: 10
OpenAlex ID: https://openalex.org/W4388898242

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DOI: https://doi.org/10.21203/rs.3.rs-3620754/v1

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Title: Biomechanical Role of Bone Grafting for Calcaneal Fracture Fixation in the Presence of Bone Defect: A Finite Element Analysis

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Type: preprint

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Language: en

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Publication year: 2023

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Publication date: 2023-11-22

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Authors: Zhihao Su, Ming Ding, Ning Zhu, James Chung‐Wai Cheung, Duo Wai‐Chi Wong, Wanju Sun, Ming Ni

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Landing page: https://doi.org/10.21203/rs.3.rs-3620754/v1

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Concepts: Calcaneus, Bone grafting, Ankle, Calcaneal fracture, Medicine, Fixation (population genetics), Displacement (psychology), Orthodontics, Bone fracture, Fracture (geology), Materials science, Dentistry, Surgery, Composite material, Radiology, Psychology, Environmental health, Psychotherapist, Population

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