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Su Z, Ding M, Zhu N, Cheung JCW, Wong DWC, Sun W, Ni M. Biomechanical role of bone grafting for calcaneal fracture fixation in the presence of bone defect: A finite element analysis. Clin Biomech (Bristol, Avon) 2024; 116:106278. [PMID: 38821036 DOI: 10.1016/j.clinbiomech.2024.106278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 03/28/2024] [Accepted: 05/20/2024] [Indexed: 06/02/2024]
Abstract
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. FINDINGS 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. INTERPRETATION Our finite element 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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Affiliation(s)
- Zhihao Su
- The Ninth People's Hospital of Wuxi Affiliated to Soochow University, Wuxi 214023, China; School of Medical Instrument, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China; Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai 201299, China.
| | - Ming Ding
- The Ninth People's Hospital of Wuxi Affiliated to Soochow University, Wuxi 214023, China; School of Nursing, Fujian University of Traditional Chinese Medicine, Fuzhou 350004, China.
| | - Ning Zhu
- School of Medical Instrument, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China; Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai 201299, China
| | - James Chung-Wai Cheung
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Duo Wai-Chi Wong
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Wanju Sun
- Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai 201299, China.
| | - Ming Ni
- Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai 201299, China; Department of Orthopedics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China.
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Ren X, Xu C, Jiang Y, Teng D, Liu X, Wang J, Zhang W. Effect of structural support size and position on depressed tibial plateau fractures: A finite element analysis. Heliyon 2024; 10:e29453. [PMID: 38628729 PMCID: PMC11019227 DOI: 10.1016/j.heliyon.2024.e29453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 04/07/2024] [Accepted: 04/08/2024] [Indexed: 04/19/2024] Open
Abstract
Objective Structural support for depressed tibial plateau fractures is receiving increasing attention. Currently, there has been little biomechanical evaluation of structural support. This work aimed to investigate the effect of structural support size and position on fracture fixation stability. Methods A split-depressed tibial plateau fracture model was created according to the fracture map. Cortical screws combined with structural filler were used for fracture fixation. The filler diameter was set to small, medium and large, and the filler position was set to the center and offset by 1, 2 and 3 mm to study the effect of position and size on stability. Results The maximum stress on the implant in all scenarios occurs at the lower contact surface between the anterior screw and the filler. Increased support size resulted in increased mean maximum screw stress, depressed fragment axial displacement and separated fragment transverse displacement (screw stress: 266.6 ± 37.7 MPa vs. 266.7 ± 51.0 MPa vs. 273.8 ± 41.5 MPa; depressed displacement: 0.123 ± 0.036 mm vs. 0.133 ± 0.049 mm vs. 0.158 ± 0.050 mm; separated displacement: 0.402 ± 0.031 mm VS 0.412 ± 0.047 mm VS 0.437 ± 0.049 mm). The larger the offset of the support position was, the larger the peak screw stress and the larger the reduction loss of depressed and separated fragment reduction, regardless of the support size. The medium support combined with the central position presented the minimum of peak stress and reduction loss. Cortical bone was below 2 % and trabecular strain was below 10 % for all scenarios. Conclusion Central placement of structural support provides superior stability for the treatment of depressed tibial plateau fractures compared to the eccentric placement. When a support is placed centrally, optimal stability is achieved when the diameter matches the diameter of the depressed region. Thus, the utilization of equal-diameter fillers to provide central support appears to be an ideal selection for depressed tibial plateau fractures.
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Affiliation(s)
- Xiaomeng Ren
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100089, China
| | - Cheng Xu
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100089, China
| | - Yu Jiang
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100089, China
| | - Da Teng
- Senior Department of General Surgery, The First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100089, China
| | - Xinmo Liu
- Senior Department of General Surgery, The First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100089, China
| | - Junsong Wang
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100089, China
| | - Wei Zhang
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100089, China
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Liu CD, Hu SJ, Chang SM, Du SC, Xiong WF, Chu YQ. Importance of the Posterior Plate in Three-Column Tibial Plateau Fractures: A Finite Element Analysis and Clinical Validation. Orthop Surg 2024; 16:930-942. [PMID: 38438157 PMCID: PMC10984809 DOI: 10.1111/os.14021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/26/2024] [Accepted: 02/01/2024] [Indexed: 03/06/2024] Open
Abstract
OBJECTIVE Dual-plate fixation was thought to be the gold standard for treating complicated bicondylar tibial plateau fractures, yet it was found to be hard to accommodate the posterior column in three-column fractures. Currently, column-specific fixation is becoming more and more recognized, but no comprehensive investigation has been performed to back it up. Therefore, the objective of this study was to validate the importance of posterior column fixation in the three-column tibial fractures by a finite element (FE) analysis and clinical study. METHODS In FE analysis, three models were developed: the longitudinal triple-plate group (LTPG), the oblique triple-plate group (OTPG), and the dual-plate group (DPG). Three loading scenarios were simulated. The distribution of the displacement and the equivalent von Mises stress (VMS) in each structure was calculated. The comparative measurements including the maximum posterior column collapse (MPCC), the maximum total displacement of the model (MTD), the maximum VMS of cortical posterior column (MPC-VMS), and the maximum VMS located on each group of plates and screws (MPS-VMS). The clinical study evaluated the indicators between the groups with or without the posterior plate, including operation time, blood loss volume, full-weight bearing period, Hospital for Special Surgery Knee Scoring system (HSS), Rasmussen score, and common postoperative complications. RESULTS In the FE analysis, the MPCC, the MPC-VMS, and the MTD were detected in much lower amounts in LTPG and OTPG than in DPG. In comparison with DPG, the LTPG and OTPG had larger MPS-VMS. In the clinical study, 35 cases were included. In the triple-plate (14) and dual-plate (21) groups, the operation took 115.6 min and 100.5 min (p < 0.05), respectively. Blood loss in both groups was 287.0 mL and 206.6 mL (p < 0.05), and the full-weight bearing period was 14.5 weeks and 16.2 weeks (p < 0.05). At the final follow-up, the HSS score was 85.0 in the triple-plate group and 77.5 in the dual-plate (p < 0.05), the Rasmussen score was 24.1 and 21.6 (p < 0.05), there were two cases with reduction loss (9.5%) in the dual-plate group and one case of superficial incision infection found in the triple-plate group. CONCLUSION The posterior implant was beneficial in optimizing the biomechanical stability and functional outcomes in the three-column tibial plateau fractures.
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Affiliation(s)
- Chen-Dong Liu
- Department of Orthopedic Surgery, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Sun-Jun Hu
- Department of Orthopedic Surgery, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shi-Min Chang
- Department of Orthopedic Surgery, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shou-Chao Du
- Department of Orthopedic Surgery, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wen-Feng Xiong
- Department of Orthopedic Surgery, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yong-Qian Chu
- Department of Orthopedic Surgery, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
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Wei G, Niu X, Li Y, Chang T, Zhang J, Wang H, Li X, He Y, Wang R, Tian F, Xu Y. Biomechanical analysis of internal fixation system stability for tibial plateau fractures. Front Bioeng Biotechnol 2023; 11:1199944. [PMID: 37388773 PMCID: PMC10303893 DOI: 10.3389/fbioe.2023.1199944] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/06/2023] [Indexed: 07/01/2023] Open
Abstract
Background: Complex bone plateau fractures have been treated with bilateral plate fixation, but previous research has overemphasized evaluating the effects of internal fixation design, plate position, and screw orientation on fracture fixation stability, neglecting the internal fixation system's biomechanical properties in postoperative rehabilitation exercises. This study aimed to investigate the mechanical properties of tibial plateau fractures after internal fixation, explore the biomechanical mechanism of the interaction between internal fixation and bone, and make suggestions for early postoperative rehabilitation and postoperative weight-bearing rehabilitation. Methods: By establishing the postoperative tibia model, the standing, walking and running conditions were simulated under three axial loads of 500 N, 1000 N, and 1500 N. Accordingly, finite element analysis (FEA) was performed to analyze the model stiffness, displacement of fractured bone fragments, titanium alloy plate, screw stress distribution, and fatigue properties of the tibia and the internal fixation system under various conditions. Results: The stiffness of the model increased significantly after internal fixation. The anteromedial plate was the most stressed, followed by the posteromedial plate. The screws at the distal end of the lateral plate, the screws at the anteromedial plate platform and the screws at the distal end of the posteromedial plate are under greater stress, but at a safe stress level. The relative displacement of the two medial condylar fracture fragments varied from 0.002-0.072 mm. Fatigue damage does not occur in the internal fixation system. Fatigue injuries develop in the tibia when subjected to cyclic loading, especially when running. Conclusion: The results of this study indicate that the internal fixation system tolerates some of the body's typical actions and may sustain all or part of the weight early in the postoperative period. In other words, early rehabilitative exercise is recommended, but avoid strenuous exercise such as running.
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Affiliation(s)
- Guoqiang Wei
- Department of Rehabilitation Medicine, Changzhi Medical College Affiliated Changzhi People’s Hospital, Changzhi, China
| | - Xiaofen Niu
- Department of Rehabilitation Medicine, Changzhi Medical College Affiliated Changzhi People’s Hospital, Changzhi, China
| | - Yuan Li
- Department of Orthopedics, Changzhi Medical College Affiliated Peace Hospital, Changzhi, China
| | - Tingjie Chang
- Department of Orthopedics, Changzhi Medical College Affiliated Peace Hospital, Changzhi, China
| | - Jianfang Zhang
- Department of Rehabilitation Medicine, Changzhi Medical College Affiliated Changzhi People’s Hospital, Changzhi, China
| | - Haiyan Wang
- Department of Anatomy, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, China
| | - Xiaohe Li
- Department of Anatomy, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, China
| | - Yujie He
- Department of Anatomy, School of Basic Medical Sciences, Inner Mongolia Medical University, Hohhot, China
| | - Ruijiang Wang
- Department of Orthopedics, Changzhi Second People’s Hospital, Changzhi, China
| | - Fei Tian
- Department of Health Management, Changzhi Medical College, Changzhi, China
- Department of Rehabilitation Medicine, Changzhi Medical College Affiliated Peace Hospital, Changzhi, China
| | - Yangyang Xu
- Beijing Key Laboratory for Design and Evaluation Technology of Advanced Implantable and Interventional Medical Devices, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
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Delmon R, Vendeuvre T, Pries P, Aubert K, Germaneau A, Severyns M. Percutaneous balloon calcaneoplasty versus open reduction and internal fixation (ORIF) for intraarticular SANDERS 2B calcaneal fracture: Comparison of primary stability using a finite element method. Injury 2023:S0020-1383(23)00272-3. [PMID: 36997362 DOI: 10.1016/j.injury.2023.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/25/2023] [Accepted: 03/13/2023] [Indexed: 04/01/2023]
Abstract
INTRODUCTION Fractures of the calcaneus are common, with 65% being intra-articular, which can lead to a major impairment of the patient's quality of life. Open reduction and internal fixation with locking plates can be considered as gold-standard technique but has a high rate of post-operative complications. Minimally invasive calcaneoplasty combined with minimally invasive screw osteosynthesis is largely drawn from the management of depressed lumbar or tibial plateau fractures. The hypothesis of this study is that calcaneoplasty associated with minimally invasive percutaneous screw osteosynthesis presents biomechanical characteristics comparable with conventional osteosynthesis. MATERIALS AND METHODS Eight hind feet were collected. A SANDERS 2B fracture was reproduced on each specimen, while four calcanei were reduced by a balloon calcaneoplasty method and fixed with a lateral screw, four others were manually reduced and fixed with conventional osteosynthesis. Each calcaneus was then segmented for 3D finite element modeling. A vertical load was applied to the joint surface in order to measure the displacement fields and the stress distribution according to the type of osteosynthesis. RESULTS Analyses of the intra-articular displacement fields showed lower overall displacements in calcaneal joints treated with calcaneoplasty and lateral screw fixation. Better stress distribution was found in the calcaneoplasty group with lower equivalent joint stresses. These results could be explained by the role of the PMMA cement as a strut, enabling better load transfer. CONCLUSION Balloon Calcaneoplasty combined with lateral screw osteosynthesis has biomechanical characteristics at least comparable to locking plate fixation in the treatment of SANDERS 2B calcaneal joint fractures in terms of displacement fields and stress distribution under the premise of anatomical reduction.
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Affiliation(s)
- Romain Delmon
- Orthopedic and Traumatology department, University Hospital of Poitiers, Poitiers, France
| | - Tanguy Vendeuvre
- Orthopedic and Traumatology department, University Hospital of Poitiers, Poitiers, France; Pprime Institut UPR 3346, CNRS - University of Poitiers - ENSMA, Poitiers, France
| | - Pierre Pries
- Orthopedic and Traumatology department, University Hospital of Poitiers, Poitiers, France
| | - Kevin Aubert
- Pprime Institut UPR 3346, CNRS - University of Poitiers - ENSMA, Poitiers, France
| | - Arnaud Germaneau
- Pprime Institut UPR 3346, CNRS - University of Poitiers - ENSMA, Poitiers, France
| | - Mathieu Severyns
- Orthopedic and traumatology department, Clinique Porte Océane, Les Sables d'Olonne, France.
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Mehdi B, Fteiti W, Balti W, Hadhri K, Kooli M, Ben Salah M. Initial description of the TEKTONA® technique for tibial plateau depression fractures. Orthop Traumatol Surg Res 2022; 108:103256. [PMID: 35219886 DOI: 10.1016/j.otsr.2022.103256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 03/21/2021] [Accepted: 04/30/2021] [Indexed: 02/03/2023]
Abstract
Reduction of depressed tibial plateau fractures with TEKTONA® is a percutaneous technique done with fluoroscopy guidance whose aim is to preserve the soft tissues and avoid hemorrhage. The anatomical result is close to that of open reduction with benefits such as reduced pain and early motion. This procedure was first described for vertebral compression fractures but has recently been applied to intra-articular long bone fractures. It consists of reducing depressed fragments with a system of expandable strips mounted on a rigid clamp. Fixation of the reduced fragments is done with cement; percutaneous fixation can be added. This technique is an interesting alternative to standard treatments. Mastery requires good knowledge of the various steps and comprehensive analysis of the depression on CT scan.
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Affiliation(s)
- Bellil Mehdi
- Service d'orthopédie et traumatologie, Hôpital Charles Nicolle de Tunis, boulevard 9-Avril, 1001 Tunis, Tunisia.
| | - Wadhah Fteiti
- Service d'orthopédie et traumatologie, Hôpital Charles Nicolle de Tunis, boulevard 9-Avril, 1001 Tunis, Tunisia
| | - Walid Balti
- Service d'orthopédie et traumatologie, Hôpital Charles Nicolle de Tunis, boulevard 9-Avril, 1001 Tunis, Tunisia
| | - Khaled Hadhri
- Service d'orthopédie et traumatologie, Hôpital Charles Nicolle de Tunis, boulevard 9-Avril, 1001 Tunis, Tunisia
| | - Mondher Kooli
- Service d'orthopédie et traumatologie, Hôpital Charles Nicolle de Tunis, boulevard 9-Avril, 1001 Tunis, Tunisia
| | - Mohamed Ben Salah
- Service d'orthopédie et traumatologie, Hôpital Charles Nicolle de Tunis, boulevard 9-Avril, 1001 Tunis, Tunisia
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Zeng C, Ren X, Xu C, Hu M, Li J, Zhang W. Stability of internal fixation systems based on different subtypes of Schatzker II fracture of the tibial plateau: A finite element analysis. Front Bioeng Biotechnol 2022; 10:973389. [PMID: 36159683 PMCID: PMC9490054 DOI: 10.3389/fbioe.2022.973389] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/18/2022] [Indexed: 11/23/2022] Open
Abstract
Background: Schaztker II fracture is the most common type of the tibial plateau fractures (TPF). There has been a large number of cadaveric biomechanical studies and finite element simulation studies to explore the most stable fixation methods for this type of fracture, which were based on a single fracture morphology. But differences among fracture morphologies could directly affect the stability of internal fixation systems. In this sense, we verified the stability of existing internal fixation modalities by simulating Schatzker II fractures with different fracture morphologies. Objectives: To compare the stability of different filler types combined with locked compression plate/screw in different subtypes of Schatzker II TPF. Methods: Four subtypes of Schatzker II were created based on 3D map of TPF. Each of the subtypes was fixed with LCP/screw or LCP/screw combined with different fill types. Stress distribution, displacement distribution, and the load sharing capacity of the filler were assessed by applying the maximum load during gait. In addition, repeated fracture risks of depressed fragment were evaluated regarding to the ultimate strain of bone. Results: The stress concentration of the implant in each scenario was located on the screw at the contact site between the plate and the screw, and the filler of the defect site significantly reduced the stress concentration of the implant (Subtype A: Blank group 402.0 MPa vs. Experimental group 315.2 ± 5.5 MPa; Subtype C: Blank group 385.0 MPa vs. Experimental group 322.7 ± 12.1 MPa). Displacement field analysis showed that filler significantly reduced the reduction loss of the depressed fragment (Subtype A: Blank group 0.1949 mm vs. Experimental group 0.174 ± 0.001 mm; Subtype C: 0.264 mm vs. 0.253 ± 0.002 mm). Maximum strain was in subtype C with the value of 2.3% ± 0.1% indicating the greatest possibility of failure risk. And with the increase of its modulus, the bearing capacity of filler increased. Conclusion: The existence of filler at the defect site can effectively reduce the stress concentration of the implant and the reduction loss of the collapsed block, thus providing good stability for Schatzker II fracture. In subtype A fracture, the modulus of filler presented the slightest influence on the stability, followed by subtype C, while the stability of subtype B was most influenced by the modulus of filler. Therefore, it is necessary to evaluate the preoperative patient imaging data adequately to select the appropriate stiffness of the filler.
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Affiliation(s)
- Chuyang Zeng
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Xiaomeng Ren
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Cheng Xu
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China
| | - Mengmeng Hu
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
| | - Jiantao Li
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China
- *Correspondence: Jiantao Li, ; Wei Zhang,
| | - Wei Zhang
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
- *Correspondence: Jiantao Li, ; Wei Zhang,
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Moufid A, Bokam P, Harika-Germaneau G, Severyns M, Caillé L, Valle V, Vendeuvre T, Germaneau A. Study of Mechanical Behavior in Epiphyseal Fracture Treated by Reduction and Cement Injection: No Immediate Post-Operative Weight-Bearing but Only Passive and Active Mobilization Should be Advised. Front Bioeng Biotechnol 2022; 10:891940. [PMID: 35860325 PMCID: PMC9289102 DOI: 10.3389/fbioe.2022.891940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/25/2022] [Indexed: 11/16/2022] Open
Abstract
The development of new percutaneous treatment techniques using a balloon for the reduction and cement for the stabilization for tibial plateau fractures (TPF) are promising. The biomechanical changes brought by the cement in the periarticular fracture are unknown. The objective of this study was to provide elements of understanding of the bone behavior in an epiphyseal fracture treated with cementoplasty and to define the modifications brought about by the presence of this cement in the bone from both an architectural and biomechanical point of view. In vitro animal experimentation was conducted. Bones samples were prepared with a cavity created with or without cancellous compaction, aided by balloon expansion following the same protocol as in the treatment of TPF. A uniaxial compression test was performed with various speeds and by using Heaviside Digital Image Correlation to measure mechanical fields. Preliminary finite element models were constructed with various boundary conditions to be compared to our experimental results. The analysis of the images permits us to obtain a representative load vs. time response, the displacement fields, and the strain distribution for crack initiation for each sample. Microcracks and discontinuity began very early at the interface bone/cement. Even when the global behavior was linear, microcracks already happened. There was no strain inside the cement. The finite element model that matched our experiments had no link between the two materials. In this work, the use of a novel correlation process highlighted the biomechanical role of the cement inside the bone. This demonstrated that there is no load transfer between bone and cement. After the surgery, the cement behaves like a rigid body inside the cancellous bone (same as a screw or plate). The cement provides good reduction and primary stabilization (mini-invasive approach and good stress distribution), permitting the patient to undergo rehabilitation with active and passive mobilization, but no weight-bearing should be authorized while the cortical bone is not consolidated or stabilized.
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Affiliation(s)
- A. Moufid
- Department of Orthopaedic Surgery and Traumatology, University Hospital, Poitiers, France
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
| | - P. Bokam
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, Poitiers, France
| | - G. Harika-Germaneau
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, Poitiers, France
- CERCA UMR 7295, CNRS—Université de Poitiers, Poitiers, France
| | - M. Severyns
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
| | - L. Caillé
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
| | - V. Valle
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
| | - T. Vendeuvre
- Department of Orthopaedic Surgery and Traumatology, University Hospital, Poitiers, France
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
| | - A. Germaneau
- Institut Pprime UPR 3346, CNRS—Université de Poitiers—ISAE-ENSMA, Poitiers, France
- *Correspondence: A. Germaneau,
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9
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Ferre LS, Di Nisio FG, Mendonça CJA, Belo IM. Comparative analysis of tibial plateau fracture osteosynthesis: A finite element study. J Mech Behav Biomed Mater 2022; 134:105392. [DOI: 10.1016/j.jmbbm.2022.105392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 02/12/2022] [Accepted: 07/19/2022] [Indexed: 11/16/2022]
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10
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Vendeuvre T, Ferrière V, Bouget P, Billot M, Germaneau A, Severyns M, Roulaud M, Rigoard P, Pries P. Percutaneous surgery with balloon for tibial plateau fractures, results with a minimum of 5 years of follow-up. Injury 2022; 53:2650-2656. [PMID: 35643555 DOI: 10.1016/j.injury.2022.05.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 04/22/2022] [Accepted: 05/14/2022] [Indexed: 02/02/2023]
Abstract
Tibial plateau fracture is a frequent entity for which surgical management is difficult both surgically and postoperatively, with multiple complications and often delayed recovery. The challenge lies in the anatomical reduction of the joint, the limitation of complications and the rapid functional recovery. Tuberoplasty appears to be an innovative technique that meets current expectations. The objective is to evaluate the reliability of tuberoplasty in reducing surgical risks and improving postoperative clinical results. This single-centre retrospective study included 30 patients with depressed tibial plateau fractures who underwent tuberoplasty from September 2011 to March 2014. Reduction analysis was performed by comparing pre-operative and post-operative depression from computed tomography (CT) data. Clinical outcomes were assessed by measuring flexion joint ranges, time to weight-bearing, KOOS questionnaire and a pangonogram. The mean depression was 7.4mm pre-operatively and 2.6mm [0;9] post-operatively, with 47% (14/30) having a residual depression of 2mm or less. Mean flexion at 6 weeks was 103° [30; 130]. Partial and total weight-bearing were allowed on day 47 [3; 150] and day 58 [20; 150], respectively. The mean KOOS score was 25.43 [1.15; 62.30] at a minimum of 5 years after surgery and the mean axis was 176.54° [172; 180]. There was one case of thrombophlebitis and one sensory-motor deficit in the common fibular nerve territory. The reduction of the tibial plateau observed in our study from tuberoplasty is in line with the literature results obtained from a conventional approach. Our results indicate that tuberoplasty is stable in the long term, has good functional results and early recovery with few complications. This preliminary study presents results that need to be investigated in a prospective randomised double-blind study.
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Affiliation(s)
- Tanguy Vendeuvre
- CHU de Poitiers, 2 rue de la Milétrie, Service d'Orthopédie-Traumatologie et Chirurgie de la Colonne, 86021 Poitiers, France; Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, France
| | - Victor Ferrière
- CHU de Poitiers, 2 rue de la Milétrie, Service d'Orthopédie-Traumatologie et Chirurgie de la Colonne, 86021 Poitiers, France.
| | - Pierre Bouget
- CHU de Poitiers, 2 rue de la Milétrie, Service d'Orthopédie-Traumatologie et Chirurgie de la Colonne, 86021 Poitiers, France
| | - Maxime Billot
- CHU de Poitiers, 2 rue de la Milétrie, PRISMATICS (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), 86021 Poitiers, France
| | - Arnaud Germaneau
- CHU de Poitiers, 2 rue de la Milétrie, PRISMATICS (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), 86021 Poitiers, France
| | - Mathieu Severyns
- Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, France
| | - Manuel Roulaud
- CHU de Poitiers, 2 rue de la Milétrie, PRISMATICS (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), 86021 Poitiers, France
| | - Philippe Rigoard
- CHU de Poitiers, 2 rue de la Milétrie, PRISMATICS (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), 86021 Poitiers, France
| | - Pierre Pries
- CHU de Poitiers, 2 rue de la Milétrie, Service d'Orthopédie-Traumatologie et Chirurgie de la Colonne, 86021 Poitiers, France
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11
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Vendeuvre T, Koneazny C, Brèque C, Rigoard P, Severyns M, Germaneau A. Contribution of Minimally Invasive Bone Augmentation With PMMA Cement in Primary Fixation of Schatzker Type II Tibial Plateau Fractures. Front Bioeng Biotechnol 2022; 10:840052. [PMID: 35299640 PMCID: PMC8921932 DOI: 10.3389/fbioe.2022.840052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/02/2022] [Indexed: 11/17/2022] Open
Abstract
Background: The most common type of fracture of the lateral tibial plateau is the Schatzker type II split-depressed fracture. Minimally invasive surgery using balloon reduction appears to be very promising compared to the gold standard using a bone tamp. This surgery aims to have the best reduction and stabilization to benefit from an early passive and active rehabilitation to avoid stiffening and muscle wasting. Using a balloon for fracture reduction has allowed the use of semi-liquid Injectable Bone Cement (IBC) fillers. These fillers can be phosphocalcic or polymethyl methacrylate (PMMA). The latest recommendations on these IBCs in spinal surgery increasingly rule out phosphocalcic fillers because of their low mechanical strength. Questions/purposes: 1) What is the mechanical influence of IBC filling (PMMA) regarding the split and depression components of a Schatzker type II fracture? 2) What is the mechanical influence of osteosynthesis regarding the split and depression components of a Schatzker type II fracture with or without PMMA filing in three different kinds of percutaneous fixations? Methods: This biomechanical study was performed on 36 fresh frozen tibia/fibula specimens. Six groups were formed according to the type of percutaneous osteosynthesis or possible PMMA filling. Mechanical strength tests were carried out using a Unicompartmental Knee prosthesis and displacement components were measured on either side of the separation on the anterolateral facet by optical method. Results: We found a significant difference between cementless and cemented osteosynthesis for depression fracture stabilization (difference −507.56N with 95% confidence interval [−904.17; −110.94] (p-value = 0.026)). The differences between the different types of osteosynthesis were not significant (p-value = 0.58). There was a significant difference between osteosynthesis without cement and osteosynthesis with cement on separation (difference −477.72N [−878.52; −76.93] (p-value = 0.03)). The differences between the different types of fixations were not significant regarding separation (p-value = 0.99). Conclusion: PMMA cement significantly improves primary stability, regardless of the type of osteosynthesis for a Schatzker type II plateau fracture. Filling with PMMA cement during tuberoplasty seems to be a very promising strategy in association with percutaneous osteosynthesis to allow rapid recovery after surgery.
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Affiliation(s)
- T. Vendeuvre
- Institut Pprime UPR 3346, CNRS, ISAE-ENSMA, Université de Poitiers, Poitiers, France
- Department of Orthopaedic Surgery and Traumatology, University Hospital, Poitiers, France
| | - C. Koneazny
- Department of Orthopaedic Surgery and Traumatology, University Hospital, Poitiers, France
| | - C. Brèque
- Institut Pprime UPR 3346, CNRS, ISAE-ENSMA, Université de Poitiers, Poitiers, France
| | - P. Rigoard
- Institut Pprime UPR 3346, CNRS, ISAE-ENSMA, Université de Poitiers, Poitiers, France
- PRISMATICS Lab, Department of Spine Surgery and Neuromodulation, University Hospital, Poitiers, France
| | - M. Severyns
- Institut Pprime UPR 3346, CNRS, ISAE-ENSMA, Université de Poitiers, Poitiers, France
- Department of Orthopaedic Surgery and Traumatology, University Hospital, Martinique, France
| | - A. Germaneau
- Institut Pprime UPR 3346, CNRS, ISAE-ENSMA, Université de Poitiers, Poitiers, France
- *Correspondence: A. Germaneau,
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12
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Management of unicondylar tibial plateau fractures: a review. CURRENT ORTHOPAEDIC PRACTICE 2022. [DOI: 10.1097/bco.0000000000001066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Aubert K, Germaneau A, Rochette M, Ye W, Severyns M, Billot M, Rigoard P, Vendeuvre T. Development of Digital Twins to Optimize Trauma Surgery and Postoperative Management. A Case Study Focusing on Tibial Plateau Fracture. Front Bioeng Biotechnol 2021; 9:722275. [PMID: 34692655 PMCID: PMC8529153 DOI: 10.3389/fbioe.2021.722275] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 09/06/2021] [Indexed: 11/20/2022] Open
Abstract
Background and context: Surgical procedures are evolving toward less invasive and more tailored approaches to consider the specific pathology, morphology, and life habits of a patient. However, these new surgical methods require thorough preoperative planning and an advanced understanding of biomechanical behaviors. In this sense, patient-specific modeling is developing in the form of digital twins to help personalized clinical decision-making. Purpose: This study presents a patient-specific finite element model approach, focusing on tibial plateau fractures, to enhance biomechanical knowledge to optimize surgical trauma procedures and improve decision-making in postoperative management. Study design: This is a level 5 study. Methods: We used a postoperative 3D X-ray image of a patient who suffered from depression and separation of the lateral tibial plateau. The surgeon stabilized the fracture with polymethyl methacrylate cement injection and bi-cortical screw osteosynthesis. A digital twin of the patient’s fracture was created by segmentation. From the digital twin, four stabilization methods were modeled including two screw lengths, whether or not, to inject PMMA cement. The four stabilization methods were associated with three bone healing conditions resulting in twelve scenarios. Mechanical strength, stress distribution, interfragmentary strains, and fragment kinematics were assessed by applying the maximum load during gait. Repeated fracture risks were evaluated regarding to the volume of bone with stress above the local yield strength and regarding to the interfragmentary strains. Results: Stress distribution analysis highlighted the mechanical contribution of cement injection and the favorable mechanical response of uni-cortical screw compared to bi-cortical screw. Evaluation of repeated fracture risks for this clinical case showed fracture instability for two of the twelve simulated scenarios. Conclusion: This study presents a patient-specific finite element modeling workflow to assess the biomechanical behaviors associated with different stabilization methods of tibial plateau fractures. Strength and interfragmentary strains were evaluated to quantify the mechanical effects of surgical procedures. We evaluate repeated fracture risks and provide data for postoperative management.
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Affiliation(s)
- Kévin Aubert
- Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, Poitiers, France.,Ansys France, Villeurbanne, France
| | - Arnaud Germaneau
- Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, Poitiers, France
| | | | | | - Mathieu Severyns
- Department of Orthopedic and Trauma Surgery at the University Hospital Center of Fort-de-France, Fort-de-France, France
| | - Maxime Billot
- PRISMATICS Lab (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), Poitiers University Hospital, Poitiers, France
| | - Philippe Rigoard
- Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, Poitiers, France.,PRISMATICS Lab (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), Poitiers University Hospital, Poitiers, France.,Department of Spine Surgery and Neuromodulation, Poitiers University Hospital, Poitiers, France
| | - Tanguy Vendeuvre
- Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, Poitiers, France.,PRISMATICS Lab (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), Poitiers University Hospital, Poitiers, France.,Department of Spine Surgery and Neuromodulation, Poitiers University Hospital, Poitiers, France.,Department of Orthopedic Surgery and Traumatology, Poitiers University Hospital, Poitiers, France
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14
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Do XN, Hambli R, Ganghoffer JF. Mesh-independent damage model for trabecular bone fracture simulation and experimental validation. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING 2021; 37:e3468. [PMID: 33896124 DOI: 10.1002/cnm.3468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/19/2021] [Accepted: 04/20/2021] [Indexed: 06/12/2023]
Abstract
We propose in this study a two-dimensional constitutive model for trabecular bone combining continuum damage with embedded strong discontinuity. The model is capable of describing the three failure phases of trabecular bone tissue which is considered herein as a quasi-brittle material with strains and rotations assumed to be small and without viscous, thermal or other non-mechanical effects. The finite element implementation of the present model uses constant strain triangle (CST) elements. The displacement jump vector is implicitly solved through a return mapping algorithm at the local (finite element) level, while the global equilibrium equations are dealt with by Newton-Raphson method. The performance, accuracy and applicability of the proposed model for trabecular bone fracture are evaluated and validated against experimental measurements. These comparisons include both global and local aspects through numerical simulations of three-point bending tests performed on 10 single bovine trabeculae in the quasi-static regime.
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Affiliation(s)
- Xuan Nam Do
- LEM3, Université de Lorraine - CNRS - Arts et Métiers Paristech, Metz Cedex, France
| | - Ridha Hambli
- INSA CVL, LaMé, Université d'Orléans, Université de Tours, Orléans, France
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15
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Vendeuvre T, Gayet LÉ. Percutaneous treatment of tibial plateau fractures. Orthop Traumatol Surg Res 2021; 107:102753. [PMID: 33316447 DOI: 10.1016/j.otsr.2020.102753] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 04/28/2020] [Indexed: 02/03/2023]
Abstract
In France, 11,294 proximal tibia fractures occurred in 2018 and 6880 surgical procedures were done to treat them. Most of these were tibial plateau fractures, although fractures can occur in the metaphysis only or in the intercondylar eminence. The proximal tibia's poor vascularization justifies sparing it by doing a percutaneous treatment, setting the stage for bone union. The treatment must be based on rigorous planning with 3D imaging to determine the type of fracture accurately. The goals of treatment are first to realign the lower limb and then to reduce the articular surface, while addressing any associated injuries. Percutaneous reduction is based on ligamentotaxis and the use of spatulas or balloons that spare the vascularization. Surgical navigation and arthroscopy are precious tools for verifying the reduction. There are several options for stabilization, ranging from using polymethylmethacrylate cement for a Schatzker III fracture to applying a cannulated screw or doing MIPPO (Minimal Invasive Percutaneous Plate Osteosynthesis) with an anatomical plate and adjustable locking screws placed under the depression in complex fractures. Percutaneous surgery is not about the size of the incisions; the focus is on sparing the metaphysis and its vascularization to ensure high-quality and long-lasting stability. It appears to yield better functional outcomes than open reduction and internal fixation, not only for Schatzker type I, II and III fractures, but also for complex fractures where open fixation is more damaging and the source of complications.
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Affiliation(s)
- Tanguy Vendeuvre
- Service de chirurgie orthopédique et traumatologique, CHU de Poitiers, 2, rue de la Milétrie, 86000 Poitiers, France.
| | - Louis-Étienne Gayet
- Service de chirurgie orthopédique et traumatologique, CHU de Poitiers, 2, rue de la Milétrie, 86000 Poitiers, France
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16
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Zhang A, Chen H, Liu Y, Wu N, Chen B, Zhao X, Han Q, Wang J. Customized reconstructive prosthesis design based on topological optimization to treat severe proximal tibia defect. Biodes Manuf 2020. [DOI: 10.1007/s42242-020-00102-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Fan YL, Xu HY, Xia MY, Zhang W, Wen HL, Gao LB, Pei YH. Biomechanical evaluation of axial-loading simulated experiment in wrist fractures: a finite element analysis. J Int Med Res 2020; 48:300060520966884. [PMID: 33135534 PMCID: PMC7780565 DOI: 10.1177/0300060520966884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Objective To assess the biomechanical properties that influence wrist fracture, so as to provide the theoretical basis for simulation experiments to aid the optimal design of wrist protectors. Methods Six cadaveric wrists were included as experimental specimens. Wrist specimens wearing wrist protectors formed the experimental group and unprotected wrist specimens formed the control group. The wrist specimens were axially loaded under physiological loads and the stress magnitude and distribution of the experimental and control groups were obtained. A three-dimensional wrist finite element model of a healthy volunteer was developed to verify the rationality and effectiveness of the cadaveric wrist models. Results Under normal physiological loads, the stress on the radioulnar palmar unit was high and manifested in the form of pressure, while the stress on the radioulnar dorsal unit was lower and manifested in the form of tension. The stresses on the radial distal palmar, ulnar distal palmar, radial distal dorsal, ulnar distal dorsal, radial proximal palmar and ulnar proximal palmar units in the experimental group were less than those in the control group. Conclusion Under physiological loads, wearing a wrist protector can reduce the stress on the radioulnar distal palmar, radioulnar proximal palmar and radioulnar distal dorsal units, while having no obvious effect on the radioulnar proximal dorsal units.
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Affiliation(s)
- You-Liang Fan
- Department of Orthopaedics, Changzhou Fourth People's Hospital (Changzhou Cancer Hospital Affiliated to Soochow University), Changzhou, Jiangsu Province, China
| | - Hai-Yun Xu
- Department of Orthopaedics, Changzhou Fourth People's Hospital (Changzhou Cancer Hospital Affiliated to Soochow University), Changzhou, Jiangsu Province, China
| | - Ming-Yang Xia
- Department of Orthopaedics, Changzhou Fourth People's Hospital (Changzhou Cancer Hospital Affiliated to Soochow University), Changzhou, Jiangsu Province, China
| | - Wen Zhang
- Department of Orthopaedics, Orthopaedic Institute, Soochow University, Suzhou, Jiangsu Province, China
| | - Hui-Long Wen
- Department of Orthopaedics, Changzhou Fourth People's Hospital (Changzhou Cancer Hospital Affiliated to Soochow University), Changzhou, Jiangsu Province, China
| | - Li-Bo Gao
- Department of Orthopaedics, Changzhou Fourth People's Hospital (Changzhou Cancer Hospital Affiliated to Soochow University), Changzhou, Jiangsu Province, China
| | - Yan-Hui Pei
- Department of Orthopaedics, Changzhou Fourth People's Hospital (Changzhou Cancer Hospital Affiliated to Soochow University), Changzhou, Jiangsu Province, China
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18
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Cuzzocrea F, Jannelli E, Ivone A, Perelli S, Fioruzzi A, Ghiara M, Zanon G, Benazzo F. Arthroscopic-Guided Balloon Tibioplasty in Schatzker III Tibial Plateau Fracture. JOINTS 2019; 6:220-227. [PMID: 31879718 PMCID: PMC6930121 DOI: 10.1055/s-0039-1697607] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 08/06/2019] [Indexed: 02/08/2023]
Abstract
Purpose
The study aims to present the results at a mean 28-months follow-up of arthroscopic-guided balloon tibioplasty and to spot some technical tricks and some practice using tools and materials.
Methods
The study relates to six patients with tibial plateau fractures type Schatzker III with tibial plateau depression more than 4 mm at preoperative computed tomography scan (CT-scan). The follow-up period ranged from 22 to 33 months, with a mean of 28 months. No patients were lost to follow-up. The patients were evaluated clinically using the Rasmussen score system and Lysholm score systems at 6 to 12 and 24 months, postoperatively. Radiographic evaluations (standard X-rays) were done preoperatively at 1, 3, and 12 months postoperatively while a CT-scan with 3D reconstruction was performed preoperatively, at the first day and 6 months, postoperatively.
Results
The mean Rasmussen clinical score at 6 months postoperatively was 26.3 while at 1-year postoperatively the mean Rasmussen clinical score was 28.33. At 2-year postoperatively the mean Rasmussen clinical score was 28.83. Statistically significant difference was found in 6-months and 2-years results (
p
< 0.05). CT-scan achieved the first postoperative day showed the recovery of approximately 70% of the area of the interested tibial plateau, restoring of the joint surface without articular bone free fragments.
Conclusion
The described surgical procedure, if correctly performed with proper indications (Schatzker III), respect the principles mentioned above and the clinical and radiological results confirm our purpose.
Level of Evidence
This is a therapeutic case series, level IV study.
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Affiliation(s)
- Fabrizio Cuzzocrea
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Eugenio Jannelli
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Alessandro Ivone
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Simone Perelli
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Alberto Fioruzzi
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Matteo Ghiara
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Giacomo Zanon
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
| | - Francesco Benazzo
- Department of Orthopaedics and Traumatology, University of Pavia, IRCCS Fondazione Policlinico San Matteo, Pavia, Italy
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19
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Vendeuvre T, Monlezun O, Brandet C, Ingrand P, Durand-Zaleski I, Gayet LE, Germaneau A, Khiami F, Roulaud M, Herpe G, Rigoard P. Comparative evaluation of minimally invasive 'tibial tuberoplasty' surgical technique versus conventional open surgery for Schatzker II-III tibial plateau fractures: design of a multicentre, randomised, controlled and blinded trial (TUBERIMPACT study). BMJ Open 2019; 9:e026962. [PMID: 31481365 PMCID: PMC6731842 DOI: 10.1136/bmjopen-2018-026962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Fractures of the tibial plateau are in constant progression. They affect an elderly population suffering from a number of comorbidities, but also a young population increasingly practicing high-risk sports. The conventional open surgical technique used for tibial plateau fractures has several pitfalls: bone and skin devascularisation, increased risks of infection and functional rehabilitation difficulties. Since 2011, Poitiers University Hospital is offering to its patients a new minimally invasive technique for the reduction and stabilisation of tibial plateau fractures, named 'tibial tuberoplasty'. This technique involves expansion of the tibial plateau through inflation using a kyphoplasty balloon, filling of the fracture cavity with cement and percutaneous screw fixation. We designed a study to evaluate the quality of fracture reduction offered by percutaneous tuberoplasty versus conventional open surgery for tibial plateau fracture and its impact on clinical outcome. METHODS AND ANALYSIS This is a multicentre randomised controlled trial comparing two surgical techniques in the treatment of tibial plateau fractures. 140 patients with a Schatzker II or III tibial plateau fracture will be recruited in France. They will be randomised either in tibial tuberoplasty arm or in conventional surgery arm. The primary outcome is the postoperative radiological step-off reduction blindly measured on CT scan (within 48 hours post-op). Additional outcomes include other radiological endpoints, pain, functional abilities, quality of life assessment and health-economic endpoints. Outcomes assessment will be performed at baseline (before surgery), at day 0 (surgery), at 2, 21, 45 days, 3, 6, 12 and 24 months postsurgery. ETHICS AND DISSEMINATION This study has been approved by the ethics committee Ile-De-France X and will be conducted in accordance with current Good Clinical Practice (GCP) guidelines, Declaration of Helsinki and standard operating procedures. The results will be disseminated through presentation at scientific conferences and publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER Clinicaltrial.gov:NCT03444779.
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Affiliation(s)
- Tanguy Vendeuvre
- Department of Orthopaedic Surgery and Traumatology, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
- Prismatics Lab, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
- Spine and Neuromodulation Functional Unit, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
- ABS Lab, Poitiers University, Poitiers, France
- Institut Pprime, Futuroscope, Poitou-Charentes, France
| | - Olivier Monlezun
- Prismatics Lab, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | - Claire Brandet
- Prismatics Lab, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | - Pierre Ingrand
- UFR Medecine et Pharmacie, Universite de Poitiers, Poitiers, France
| | | | - Louis-Etienne Gayet
- Department of Orthopaedic Surgery and Traumatology, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | | | - Frederic Khiami
- Department of Orthopaedic Surgery and Traumatology, Hopitaux Universitaires Pitie Salpetriere-Charles Foix, Paris, France
| | - Manuel Roulaud
- Prismatics Lab, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | - Guillaume Herpe
- Department of Radiology, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
| | - Philippe Rigoard
- Prismatics Lab, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
- Spine and Neuromodulation Functional Unit, Centre Hospitalier Universitaire de Poitiers, Poitiers, France
- ABS Lab, Poitiers University, Poitiers, France
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20
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Moufid AY, Bokam P, Valle V, Germaneau A, Rigoard P, Vendeuvre T. Bone-cement interface mechanical behaviour in tibial Plateau fracture treated by tuberoplasty. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1714960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- A. Y. Moufid
- Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, Futuroscope Chasseneuil, France
- Department of Neurosurgery, Spine & Neuromodulation Function Unit, Prismatics Lab, CHU, Poitiers, France
| | - P. Bokam
- Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, Futuroscope Chasseneuil, France
| | - V. Valle
- Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, Futuroscope Chasseneuil, France
| | - A. Germaneau
- Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, Futuroscope Chasseneuil, France
| | - P. Rigoard
- Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, Futuroscope Chasseneuil, France
- Department of Neurosurgery, Spine & Neuromodulation Function Unit, Prismatics Lab, CHU, Poitiers, France
| | - T. Vendeuvre
- Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, Futuroscope Chasseneuil, France
- Department of Neurosurgery, Spine & Neuromodulation Function Unit, Prismatics Lab, CHU, Poitiers, France
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21
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Belaid D, Delmon R, Aubert K, Rigoard P, Germaneau A, Vendeuvre T. Biomechanical study between 4.5 mm and 3.5 mm distal locking screws in tibial plateau fractures. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1714970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- D. Belaid
- Department of Mechanical Engineering, Faculty of Technology Sciences, University of Mentouri Brothers, Constantine, Algeria
| | - R. Delmon
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
| | - K. Aubert
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, France Poitiers
| | - P. Rigoard
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, France Poitiers
| | - A. Germaneau
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, France Poitiers
| | - T. Vendeuvre
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, France Poitiers
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22
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Aubert K, Germaneau A, Rochette M, Rigoard P, Vendeuvre T. Personalized finite element model for full weight-bearing after tibial plateau fracture surgery. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1714217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- K. Aubert
- Institut Pprime, UPR 3346 CNRS, Université de Poitiers, ISAE-ENSMA, Poitiers, France
- ANSYS FRANCE, Villeurbanne, France
| | - A. Germaneau
- Institut Pprime, UPR 3346 CNRS, Université de Poitiers, ISAE-ENSMA, Poitiers, France
| | | | - P. Rigoard
- Institut Pprime, UPR 3346 CNRS, Université de Poitiers, ISAE-ENSMA, Poitiers, France
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU – Poitiers, Poitiers, France
| | - T. Vendeuvre
- Institut Pprime, UPR 3346 CNRS, Université de Poitiers, ISAE-ENSMA, Poitiers, France
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU – Poitiers, Poitiers, France
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Belaid D, Germaneau A, Bouget P, Delmon R, Bouchoucha A, Rigoard P, Vendeuvre T. Stress distribution analysis on the femoral neck under different angle directions of loading by a finite element analysis. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1715001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- D. Belaid
- Department of Mechanical Engineering, Faculty of Technology Sciences, University of Mentouri Brothers, Constantine, Algeria
| | - A. Germaneau
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, Poitiers, France
| | - P. Bouget
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
| | - R. Delmon
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
| | - A. Bouchoucha
- Department of Mechanical Engineering, Faculty of Technology Sciences, University of Mentouri Brothers, Constantine, Algeria
| | - P. Rigoard
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, Poitiers, France
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
| | - T. Vendeuvre
- Institut Pprime UPR 3346, CNRS – Université de Poitiers – ISAE-ENSMA, Poitiers, France
- Spine & Neuromodulation Function Unit, PRISMATICS Lab CHU, Poitiers, France
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Vendeuvre T, Grunberg M, Germaneau A, Maloubier F, Faure JP, Gayet LE, Rigoard P, Brèque C. Contribution of minimally invasive bone augmentation to primary stabilization of the osteosynthesis of Schatzker type II tibial plateau fractures: Balloon vs bone tamp. Clin Biomech (Bristol, Avon) 2018; 59:27-33. [PMID: 30142475 DOI: 10.1016/j.clinbiomech.2018.08.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 06/18/2018] [Accepted: 08/09/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Schatzker type II tibial plateau fractures necessitate the least invasive treatment possible. Arthroscopic reduction by bone tamp followed by osteosynthesis is the current gold standard for this type of tibial plateau fracture. The objective of this study was to compare this technique to anterior approach tuberoplasty with balloon reduction. The comparison criteria were residual articular step off, metaphyseal cavity volume formed during reduction, and mechanical strength to separation and to depression displacement. METHODS Fractures were created on 12 human cadaveric tibiae and reduced by a minimally invasive approach in six specimens by a balloon, and by bone tamp in the six others. Articular step off and metaphyseal-epiphyseal cavity volume were measured by TDM. Mechanical tests were performed up to assembly failure to characterize structural strength. Secondary displacements, fracture depression displacement and separation were measured by optical methods. FINDINGS There was no significant difference in step off measurement after balloon reduction or bone tamp (0.29 cm vs 0.37 cm; p = 0.06). The cavity volume formed by balloon reduction was significantly smaller than the volume created by bone tamp reduction (0.45 cm3 vs 5.12 cm; p = 0.002). The compressive load required for assembly failure was significantly greater in the balloon group than in the bone tamp group (1210.17 N vs 624.50 N; p = 0.015). INTERPRETATION There exists a correlation between load to failure of the assembly frame and the metaphyseal volume required for bone fracture reduction. The minimally invasive balloon technique has fewer negative effects on the osseous stock, thereby enabling better primary structural strength of the fracture.
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Affiliation(s)
- T Vendeuvre
- Department of Orthopaedic Surgery and Traumatology, CHU, Poitiers, France; Spine & Neuromodulation Functional Unit, Department of Neurosurgery, CHU Poitiers, PRISMATICS Lab, Poitiers, France; Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, France
| | - M Grunberg
- Department of Orthopaedic Surgery and Traumatology, CHU, Poitiers, France
| | - A Germaneau
- Spine & Neuromodulation Functional Unit, Department of Neurosurgery, CHU Poitiers, PRISMATICS Lab, Poitiers, France.
| | | | - J-P Faure
- ABS Lab, Université de Poitiers, France
| | - L-E Gayet
- Department of Orthopaedic Surgery and Traumatology, CHU, Poitiers, France
| | - P Rigoard
- Spine & Neuromodulation Functional Unit, Department of Neurosurgery, CHU Poitiers, PRISMATICS Lab, Poitiers, France; Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, France
| | - C Brèque
- Institut Pprime UPR 3346, CNRS - Université de Poitiers - ISAE-ENSMA, France; ABS Lab, Université de Poitiers, France
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