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Tibial stress fracture

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https://read.qxmd.com/read/30767784/the-impact-of-plate-length-fibula-integrity-and-plate-placement-on-tibial-shaft-fixation-stability-a-finite-element-study
#1
Yasen Cao, Yong Zhang, Lixin Huang, Xiaowei Huang
BACKGROUND: Tibial shaft fractures account for approximately 15% of long bone fractures. Locked plates with minimally invasive plate osteosynthesis techniques are used widely by surgeons. The purpose of this study is to investigate the impact of factors meaning the plate length, fibula integrity, and placement of the plate on the stability of tibial shaft fracture fixation. METHODS: A finite element model of the tibial shaft fracture was built. An axial force of 2500 N was applied to simulate the axial compressive load on an adult knee during single-limb stance...
February 15, 2019: Journal of Orthopaedic Surgery and Research
https://read.qxmd.com/read/30714405/development-and-validation-of-a-finite-element-model-to-simulate-the-opening-of-a-medial-opening-wedge-high-tibial-osteotomy
#2
Victor A Carranza, Jacob Reeves, Alan Getgood, Timothy A Burkhart
Medial opening wedge high tibial osteotomy (MOWHTO) is a surgical procedure intended to alter the coronal and sagittal plane alignment of the lower limb to primarily relieve the symptoms of osteoarthritis in the medial compartment of the knee. The purpose of this work was to develop and validate a finite element model to simulate the opening of a high tibial osteotomy and determine whether a pilot hole at the cortical hinge reduces the risk of lateral cortical fracture. Fifteen models were reconstructed from CT images of eight cadaveric specimens...
February 4, 2019: Computer Methods in Biomechanics and Biomedical Engineering
https://read.qxmd.com/read/30694982/fast-running-does-not-contribute-more-to-cumulative-load-than-slow-running
#3
Jessica G Hunter, Gina L Garcia, Jae Kun Shim, Ross H Miller
PURPOSE: As running speed increases there are concomitant changes in loads associated with tibial stress fracture risk. Runners often include multiple speeds in their training, but the effect of speed distribution on load accumulation is unknown. We studied how running at different proportions of speed within a given running distance affects the cumulative loading of the vertical average loading rate, cumulative peak absolute tibial free moment, and cumulative peak axial tibial load. These loads were compared between two proportions of speed: running all distance at normal self-selected speed, and running the same distance at a combination of slow/fast speeds with the same average speed as normal...
January 25, 2019: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/30662711/the-effect-of-plate-design-bridging-span-and-fracture-healing-on-the-performance-of-high-tibial-osteotomy-plates-an-experimental-and-finite-element-study
#4
A R MacLeod, G Serrancoli, B J Fregly, A D Toms, H S Gill
Objectives: Opening wedge high tibial osteotomy (HTO) is an established surgical procedure for the treatment of early-stage knee arthritis. Other than infection, the majority of complications are related to mechanical factors - in particular, stimulation of healing at the osteotomy site. This study used finite element (FE) analysis to investigate the effect of plate design and bridging span on interfragmentary movement (IFM) and the influence of fracture healing on plate stress and potential failure...
December 2018: Bone & Joint Research
https://read.qxmd.com/read/30656430/outcomes-of-posterior-cruciate-ligament-tibial-avulsion-treated-with-staple-fixation-stress-telos-x-ray-evaluation
#5
M M Reverte-Vinaixa, J H Nuñez, D Muñeton, N Joshi, E Castellet, J Minguell
PURPOSE: Tibial-side avulsion injuries of the posterior cruciate ligament are rare injuries. In displaced fracture, the reduction and fixation is the treatment of choice, although the optimal surgical management has not yet been determined. The aim of this study was to evaluate the clinical, functional, and radiological outcome after an open reduction and internal fixation with staples of a posterior cruciate ligament tibial avulsion. METHODS: A historical cohort of patients who underwent open reduction and internal fixation with staple due to a posterior cruciate ligament tibial avulsion were reviewed...
January 17, 2019: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://read.qxmd.com/read/30653510/ground-reaction-force-metrics-are-not-strongly-correlated-with-tibial-bone-load-when-running-across-speeds-and-slopes-implications-for-science-sport-and-wearable-tech
#6
Emily S Matijevich, Lauren M Branscombe, Leon R Scott, Karl E Zelik
INTRODUCTION: Tibial stress fractures are a common overuse injury resulting from the accumulation of bone microdamage due to repeated loading. Researchers and wearable device developers have sought to understand or predict stress fracture risks, and other injury risks, by monitoring the ground reaction force (GRF, the force between the foot and ground), or GRF correlates (e.g., tibial shock) captured via wearable sensors. Increases in GRF metrics are typically assumed to reflect increases in loading on internal biological structures (e...
2019: PloS One
https://read.qxmd.com/read/30601398/common-and-uncommon-injuries-in-ultra-endurance-sports
#7
REVIEW
Louis C Almekinders, Charles R Engle
Ultra-endurance sports are associated with prolonged physical exercise both during training and competition. Musculoskeletal injuries are common as a result of the repetitive physical stresses. Stress fractures in the weight-bearing bones should always be suspected when ultra-endurance athletes present with pain over bony structures. Most stress fractures can be treated with activity modifications but some such as femoral neck and tibial shaft stress fractures may require operative fixation. The knee seems to be the most frequent source of injuries in ultra-endurance athletes...
March 2019: Sports Medicine and Arthroscopy Review
https://read.qxmd.com/read/30501622/il-17a-contributes-to-perioperative-neurocognitive-disorders-through-blood-brain-barrier-disruption-in-aged-mice
#8
Pengfei Ni, Hongquan Dong, Yiwei Wang, Qin Zhou, Mengmeng Xu, Yanning Qian, Jie Sun
BACKGROUND: Perioperative neurocognitive disorders (PND) occur frequently after surgery, especially in aged patients. Surgery-induced neuroinflammation and blood-brain barrier (BBB) dysfunction play a crucial role in the pathogenesis of PND. Interleukin-17A (IL-17A) increases after surgical stress and will be involved in BBB dysfunction. However, the effect of IL-17A on BBB function during PND remains poorly understood. METHODS: Male wild-type C57BL/6J mice (15 months old) received tibial fracture surgery and fixation to establish the PND model...
November 30, 2018: Journal of Neuroinflammation
https://read.qxmd.com/read/30481697/kinematics-and-shock-attenuation-during-a-prolonged-run-on-the-athletic-track-as-measured-with-inertial-magnetic-measurement-units
#9
Jasper Reenalda, Erik Maartens, Jaap H Buurke, Allison H Gruber
BACKGROUND: Tibial stress fractures are common running related injury and their etiology may include biomechanical factors like impact forces, shock attenuation, lower limb kinematics and how these factors are influenced by intense or prolonged running. Inertial-magnetic measurement units (IMUs) have recently emerged as an alternative to motion capture but their use to date was mostly limited to segmental and joint motion. RESEARCH QUESTION: The present study sought to examine the effects of a prolonged run on shock attenuation, peak tibial and sacral acceleration (PTA, PSA), and lower limb kinematics using IMUs...
November 19, 2018: Gait & Posture
https://read.qxmd.com/read/30469103/visual-feedback-gait-re-training-in-overweight-children-can-reduce-excessive-tibial-acceleration-during-walking-and-running-an-experimental-intervention-study
#10
Oren Tirosh, Nili Steinberg, Dan Nemet, Alon Eliakim, Guy Orland
BACKGROUND: Being overweight may increase the risk for developing stress fracture, as overweight adults and children were reported to have greater pressure peaks and rates under the heel during walking when compared with their normal-weight counterparts. Biofeedback gait retraining was shown to reduce ground impact magnitude in adults but not yet in children. RESEARCH QUESTION: The study examined whether overweight children have greater tibia peak positive acceleration (PPA) at ground impact during fast walking and running compared to healthy weight children, and whether visual feedback gait retraining program can be used to reduce PPA in overweight children...
November 11, 2018: Gait & Posture
https://read.qxmd.com/read/30451778/tibial-stress-fracture-in-a-runner
#11
(no author information available yet)
No abstract text is available yet for this article.
November 2018: Orthopaedic Nursing
https://read.qxmd.com/read/30451777/tibial-stress-fracture-in-a-runner
#12
Patrick Graham
No abstract text is available yet for this article.
November 2018: Orthopaedic Nursing
https://read.qxmd.com/read/30416975/factors-related-to-stress-fracture-after-unicompartmental-knee-arthroplasty
#13
Masamichi Yokoyama, Yasuhiro Nakamura, Makoto Egusa, Hideyuki Doi, Toru Onishi, Koji Hirano, Motoyuki Doi
Background/objective: Unicompartmental knee arthroplasty (UKA) is a low-invasive knee surgery that enables early recovery. Stress fracture of the medial tibial plateau (MTP) is a complication of UKA that prolongs treatment once it has occurred. We investigated factors affecting its occurrence. Methods: The study subjects were 167 patients who underwent fixed-bearing UKA between 2009 and 2016 (45 men and 122 women of mean age 77 years, including 134 with osteoarthritis of the knee and 33 with spontaneous osteonecrosis)...
January 2019: Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
https://read.qxmd.com/read/30401952/a-novel-design-of-a-plate-for-posterolateral-tibial-plateau-fractures-through-traditional-anterolateral-approach
#14
Dong Ren, Yueju Liu, Jian Lu, Runtao Xu, Pengcheng Wang
Biomechanical performance of a newly designed plate for treating posterolateral tibial plateau fractures was compared with three traditional internal fixation devices using finite element analysis (FEA) and biomechanical experiments. Forty synthetic tibias were used to create posterolateral shearing tibial fracture models, which were randomly assigned to groups A-D. The fragments were fixed with two 6.5-mm lag screws (group A), the newly designed plate (group B), a 3.5-mm lateral locking plate (group C), and a posterolateral buttress plate (group D)...
November 6, 2018: Scientific Reports
https://read.qxmd.com/read/30373348/-preliminary-finite-element-analysis-of-anterior-inferior-tibiofibular-syndesmosis-injuries-treated-with-screw-and-tight-rope-fixation
#15
Zhong-Xin Liu, Wei Wang, Xin Zhang, Jun Yang
OBJECTIVE: To establish finite element models of anterior inferior tibiofibular syndesmosis injuries (AITSI), screw fixation and Tight-rope(TR) fixation, and to compare its force and displacement, so as provide evidence for clinical diagnosis and treatment. METHODS: A three-dimensional model of a healthy ankle complex was developed by computed tomography (CT) images, and anterior inferior tibiofibular syndesmosis injuries(AITSI) model also established, then a screw was inserted into AITSI model to obtain a screw fixation model, and a Tight-rope system was put into AITSI model to obtain a TR model...
October 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://read.qxmd.com/read/30369674/focal-scintigraphic-findings-in-clinically-suspected-tibial-stress-fractures
#16
EDITORIAL
Claudio Tinoco Mesquita, Gustavo do Vale Gomes
No abstract text is available yet for this article.
September 2018: Radiologia Brasileira
https://read.qxmd.com/read/30320177/long-stem-total-knee-arthroplasty-for-proximal-tibial-stress-fractures-in-the-elderly-patients
#17
Mahmoud Jabalameli, Hossein A Hadi, Abolfazl Bagherifard, Mohammad Rahbar, Mohammadreza Minator Sajjadi
Background: Presentation of proximal tibia stress fracture is not infrequent among elderly patients due to their poor bone stock. Optimal management of patients with severe gonarthrosis of the knee and concurrent tibial stress fracture is not known yet. In this study we report the outcome of primary total knee arthroplasty (TKA) using stemmed components in elderly patients. Methods: Between 2009 and 2014, a total of 16 elderly patients with proximal tibial stress fractures and concurrent gonarthrosis were treated with TKA using long stemmed components...
September 2018: Archives of Bone and Joint Surgery
https://read.qxmd.com/read/30317963/effect-of-plate-geometry-modifications-to-reduce-stress-shielding-during-healing-stages-for-tibial-fracture-fixation
#18
Rathin Maity, Santanu Majumder, Amit Roychowdhury, Subrata Saha
The goal of this finite element study is to reduce the stress shielding effect in tibial fracture fixation. Five different plates with modified geometry have been modeled. The fracture gap is assumed to be filled with callus, which is new born healing tissue. The effect of different plate modifications in four different healing stages has been compared to the nonmodified plate. It has been observed that all the modified models have higher callus stress than the nonmodified model, and the best modified plate has reduced the stress shielding effect by 117% for the first healing stage...
2018: Journal of Long-term Effects of Medical Implants
https://read.qxmd.com/read/30308431/avulsion-fracture-of-the-medial-collateral-ligament-association-with-segond-fracture
#19
Omar M Albtoush, Marius Horger, Fabian Springer, Jan Fritz
The Segond fracture is a tibial avulsion injury of the insertion of the middle third of the lateral capsular ligament that is typically associated with anterior cruciate ligament and meniscal tears. The classically assigned mechanism of injury is a combination of internal rotation and varus stress. We report two cases of Segond fractures that presented with a variant pattern including osseous avulsion injuries of the medial collateral ligament at the femoral origin, anterior cruciate ligament tear, and pivot shift-type osseous contusion pattern, suggesting an alternative mechanism of injury that includes dominant valgus stress and external rotation components...
September 11, 2018: Clinical Imaging
https://read.qxmd.com/read/30293203/the-application-of-finite-element-modelling-based-on-clinical-pqct-for-classification-of-fracture-status
#20
Dale L Robinson, Hongyuan Jiang, Qichun Song, Christopher Yates, Peter Vee Sin Lee, John D Wark
Fracture risk assessment using dual-energy X-ray absorptiometry (DXA) frequently fails to diagnose osteoporosis amongst individuals who later experience fragility fractures. Hence, more reliable techniques that improve the prediction of fracture risk are needed. In this study, we evaluated a finite element (FE) modelling framework based on clinical peripheral quantitative computed tomography (pQCT) imaging of the tibial epiphysis and diaphysis to predict the stiffness at these locations in compression, shear, torsion and bending...
October 6, 2018: Biomechanics and Modeling in Mechanobiology
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