Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures
Abstract Distal humerus fractures commonly occur in adults with low bone mineral density causing major technical challenges for orthopedic surgeons. Persian fixation method was introduced as a novel technique to stabilize small fragments in comminuted distal humerus fractures using a set of K-wires...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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BMC
2023-07-01
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| Series: | BMC Musculoskeletal Disorders |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12891-023-06709-y |
| _version_ | 1797774441518727168 |
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| author | Alireza Hakiminejad Amir Nourani Narges Ghias Alireza Mahmoudi Kaveh Same Reza Shahriar Kamrani Mohammad Hossein Nabian |
| author_facet | Alireza Hakiminejad Amir Nourani Narges Ghias Alireza Mahmoudi Kaveh Same Reza Shahriar Kamrani Mohammad Hossein Nabian |
| author_sort | Alireza Hakiminejad |
| collection | DOAJ |
| description | Abstract Distal humerus fractures commonly occur in adults with low bone mineral density causing major technical challenges for orthopedic surgeons. Persian fixation method was introduced as a novel technique to stabilize small fragments in comminuted distal humerus fractures using a set of K-wires and a reconstruction plate. The present study aims to measure this technique's stiffness and stability of this technique and analyze the effect of influential parameters with numerical simulation and biomechanical testing on a cadaveric specimen. Validation of the finite element (FE) model was conducted based on results of experiments. The results indicated that Delta configuration mainly led to a higher stiffness in the case of axial loading and anterior bending compared to L configuration. Analyzing the influential factors of this technique suggests that changes in diameter and number of K-wires have a similarly significant effect on the construct stiffness while the height of plate had a slight influence. Also, the diameter of wires was the most effective parameter for implant failure, particularly in the 3-pin construct, which caused a reduction in failure risk by about 60%. The results revealed that the Persian fixation method would achieve suitable stability compared to the dual-plating technique. |
| first_indexed | 2024-03-12T22:21:07Z |
| format | Article |
| id | doaj.art-c35961671bc1483aa548273158743c0b |
| institution | Directory Open Access Journal |
| issn | 1471-2474 |
| language | English |
| last_indexed | 2024-03-12T22:21:07Z |
| publishDate | 2023-07-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Musculoskeletal Disorders |
| spelling | doaj.art-c35961671bc1483aa548273158743c0b2023-07-23T11:03:44ZengBMCBMC Musculoskeletal Disorders1471-24742023-07-0124111410.1186/s12891-023-06709-yBiomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fracturesAlireza Hakiminejad0Amir Nourani1Narges Ghias2Alireza Mahmoudi3Kaveh Same4Reza Shahriar Kamrani5Mohammad Hossein Nabian6Department of Mechanical Engineering, Sharif University of TechnologyDepartment of Mechanical Engineering, Sharif University of TechnologyDepartment of Mechanical Engineering, Sharif University of TechnologyDepartment of Mechanical Engineering, Sharif University of TechnologySchool of Medicine, Tehran University of Medical SciencesDepartment of Orthopedic and Trauma Surgery, Tehran University of Medical SciencesCenter of Orthopedic Trans-Disciplinary Applied Research (COTAR), Tehran University of Medical SciencesAbstract Distal humerus fractures commonly occur in adults with low bone mineral density causing major technical challenges for orthopedic surgeons. Persian fixation method was introduced as a novel technique to stabilize small fragments in comminuted distal humerus fractures using a set of K-wires and a reconstruction plate. The present study aims to measure this technique's stiffness and stability of this technique and analyze the effect of influential parameters with numerical simulation and biomechanical testing on a cadaveric specimen. Validation of the finite element (FE) model was conducted based on results of experiments. The results indicated that Delta configuration mainly led to a higher stiffness in the case of axial loading and anterior bending compared to L configuration. Analyzing the influential factors of this technique suggests that changes in diameter and number of K-wires have a similarly significant effect on the construct stiffness while the height of plate had a slight influence. Also, the diameter of wires was the most effective parameter for implant failure, particularly in the 3-pin construct, which caused a reduction in failure risk by about 60%. The results revealed that the Persian fixation method would achieve suitable stability compared to the dual-plating technique.https://doi.org/10.1186/s12891-023-06709-yPersian fixation methodDistal humerus fractureStabilityBiomechanical testingOsteosynthesis |
| spellingShingle | Alireza Hakiminejad Amir Nourani Narges Ghias Alireza Mahmoudi Kaveh Same Reza Shahriar Kamrani Mohammad Hossein Nabian Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures BMC Musculoskeletal Disorders Persian fixation method Distal humerus fracture Stability Biomechanical testing Osteosynthesis |
| title | Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures |
| title_full | Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures |
| title_fullStr | Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures |
| title_full_unstemmed | Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures |
| title_short | Biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures |
| title_sort | biomechanical analysis of different osteosynthesis configurations in the pin and plate fixation method for distal humerus fractures |
| topic | Persian fixation method Distal humerus fracture Stability Biomechanical testing Osteosynthesis |
| url | https://doi.org/10.1186/s12891-023-06709-y |
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