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condyle fracture

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https://www.readbyqxmd.com/read/29225019/primary-versus-revision-anterior-cruciate-ligament-reconstruction-patient-demographics-radiographic-findings-and-associated-lesions
#1
Justin J Mitchell, Mark E Cinque, Grant J Dornan, Lauren M Matheny, Chase S Dean, Brad Kruckeberg, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
PURPOSE: The purpose of this study was to evaluate the differences in intra-articular pathology, demographic characteristics, and radiographic characteristics of the knee associated with primary anterior cruciate ligament reconstruction (ACLR) versus revision ACLR at the time of initial presentation with either a native anterior cruciate ligament tear or an anterior cruciate ligament graft tear. Secondarily, we aimed to investigate risk factors for concomitant medial and lateral meniscal tears and cartilage injuries at the time of ACLR...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29214396/triple-management-of-cubitus-valgus-deformity-complicating-neglected-nonunion-of-fractures-of-lateral-humeral-condyle-in-children-a-case-series
#2
Yasser Abed, Khaled Nour, Yasser Roshdy Kandil, Abed El-Negery
BACKGROUND: Long standing nonunion of the lateral humeral condyle (LHC) usually results in elbow pain and instability with progressive cubitus valgus and tardy ulnar neuritis. Surgical treatment of long standing nonunion is still a controversial issue due to the reported complications, such as stiffness, loss of elbow motion, and avascular necrosis of the LHC fragment. In this study, we reported the outcomes of treatment of cubitus valgus deformity in long standing nonunion of the LHC in children treated with combined triple management (fixation of the nonunion site, dome corrective osteotomy, and anterior transposition of ulnar nerve) through a modified para-triceptal approach...
December 6, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29208487/in-vitro-comparison-of-mechanical-resistance-between-two-straight-plates-and-a-y-plate-for-fixation-of-mandibular-condyle-fractures
#3
Glaciele Maria de Souza, Danillo Costa Rodrigues, Tóride Sebastião Celegatti Filho, Roger William Fernandes Moreira, Saulo Gabriel Moreira Falci
OBJECTIVE: To compare the mechanical resistance of conventional plates with a modified Y-plate in mandibular condyle fracture. MATERIALS AND METHODS: 40 synthetic hemi-mandibular polyurethane replicates were used. Two groups of fixing materials were included: 20 mandibles fixed with 40 straight plates with four roles each (2.0 mm system) and 20 mandibles fixed with 20 Y-shaped plates (2.0 mm system and 1.5 mm thickness). The samples were submitted to linear loading in the following directions: 10 mandibles from each group from lateral to medial and 10 mandibles from each group from anterior to posterior...
November 11, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29198481/is-it-better-to-bend-wires-occlusally-or-apically-during-placement-of-arch-bars-for-intermaxillary-fixation
#4
Ashwant Kumar Vadepally, Ramen Sinha
We evaluated 78 patients who had intermaxillary fixation (IMF) of fractured mandibular condyles with arch bars and wires. Depending on whether the wires were bent apically or occlusally during placement of the arch bars, we randomly divided the patients into two groups (n=39 in each), then compared pain, satisfaction with oral hygiene, and complications between the groups at five to six weeks postoperatively when the arch bars were removed. Outcomes were significantly better in the occlusal group than in the apical group...
November 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29198374/surgically-treated-hoffa-fractures-with-poor-long-term-functional-results
#5
Tolga Onay, Deniz Gülabi, İlker Çolak, Güven Bulut, Seyit Ali Gümüştaş, Gültekin Sıtkı Çeçen
INTRODUCTION: Hoffa fractures are rare injuries and usually involve the lateral condyle. There are few published studies of large series of isolated coronal plane fractures of the femoral condyle. The aim of the study to determine the long-term functional outcomes and complications in surgically treated Hoffa fractures. PATIENTS AND METHODS: A retrospective review was made of 13 consecutive patients who were treated surgically for an isolated coronal plane fracture of the distal femur posterior condyle...
November 24, 2017: Injury
https://www.readbyqxmd.com/read/29195812/effects-of-a-single-condylar-neck-fracture-without-condylar-cartilage-injury-on-traumatic-heterotopic-ossification-around-the-temporomandibular-joint-in-mice
#6
Ningjuan Ouyang, Xiaofang Zhu, Hongliang Li, Yuheng Lin, Jun Shi, Jiewen Dai, Guofang Shen
OBJECTIVES: In this study, we tried to explore the effects of a single condylar neck fracture without condylar cartilage injury during the pathogenesis process of traumatic heterotopic ossification around the temporomandibular joint (THO-TMJ). STUDY DESIGN: One-month-old C57 BL/6 J male mice were divided into 2 groups. In group 1, condylar cartilage was partially removed in the right joint to induce THO. In group 2, a single fracture on the condylar neck was created using small scissors...
November 6, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29182135/long-term-outcome-in-displaced-lateral-humeral-condyle-fractures-following-internal-screw-fixation-in-children
#7
G Frongia, C Janosi, A Mehrabi, J-P Schenk, P Günther
BACKGROUND: The aim of this study was to investigate the long-term clinical outcome following open reduction and internal screw fixation of displaced lateral condyle fractures (LCFs) of the distal humerus and compare the outcome of primary and secondary LCFs. METHODS: The clinical outcome in 31 children (mean age 5.8±2.4 years) operated for primary or secondary LCFs was retrospectively analyzed by standardized clinical examination and compared using the Mayo score, Morger score, and Patients Satisfaction score...
December 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29157991/percutaneous-k-wire-fixation-in-pediatric-lateral-condylar-fractures-of-humerus-a-prospective-study
#8
Ramji Lal Sahu
BACKGROUND: We evaluated the radiographic and clinical functional results of K-wire fixation in the treatment of displaced lateral condyle fractures of the humerus. MATERIALS AND METHODS: A prospective longitudinal study was undertaken in our hospital during the period December 2010-December 2014. A total number of 85 children (18 girls and 67 boys) mean age 7.76 years; range 2-13 years with displaced (>2mm) lateral condyle fractures of the humerus. All the patients were treated by close reduction and internal fixation with two K-wires for three weeks...
November 17, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29156978/bone-marrow-progenitor-cells-isolated-from-young-rabbit-trochlea-are-more-numerous-and-exhibit-greater-clonogenic-chondrogenic-and-osteogenic-potential-than-cells-isolated-from-condyles
#9
Garima Dwivedi, Anik Chevrier, Caroline D Hoemann, Michael D Buschmann
OBJECTIVE: Bone marrow stimulation procedures initiate repair by fracturing or drilling subchondral bone at base of cartilaginous defect. Earlier studies have shown that defect location and animal age affect cartilage repair outcome, suggesting a strong influence of structural and biological characteristics of subchondral bone. Here, we analyzed comprehensive biological characteristics of bone marrow progenitor cells (BMPCs) in subchondral bone of young and old rabbit condyle and trochlea...
January 1, 2017: Cartilage
https://www.readbyqxmd.com/read/29142872/isolated-tympanic-plate-fracture-detected-by-cone-beam-computed-tomography-report-of-four-cases-with-review-of-literature
#10
Ashita Ritesh Kalaskar, Ritesh Kalaskar
The tympanic plate is a small part of the temporal bone that separates the mandibular condyle from the external auditory canal. Fracture of this small plate is rare and usually associated with other bony fractures, mainly temporal and mandibular bone. There is a limited amount of literature on this subject, which increases the chance of cases being overlooked by physicians and radiologists. This is further supported by purely isolated cases of tympanic plate fracture without evidence of other bony fractures...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29142870/intracorporeal-reduction-of-condylar-fracture-using-both-pedicled-condylar-and-seperated-ramal-fragments-after-vertical-ramal-osteotomy
#11
Il-Kyu Kim, Jun-Min Jang, Hyun-Young Cho, Ji-Hoon Seo, Dong-Hwan Lee
The aim of this study is to introduce a surgical technique that can maintain blood supply to prevent condylar resorption in the extracorporeal reduction of condylar fracture. Neither the medial pterygoid muscle on the ramal bone nor the lateral pterygoid muscle on the condylar fragment was detached after vertical ramal osteotomy. Thus, reduction was performed in the intracorporeal state. Therefore, blood supply was expected to be maintained to the fragments of both the condylar and ramal bones. On postoperative radiographs, the anatomical outline of the fractured condyle was well restored, and the occlusion was stable...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29142868/protrusive-maxillomandibular-fixation-for-intracapsular-condylar-fracture-a-report-of-two-cases
#12
Yeong Kon Jeong, Won-Jong Park, Il Kyung Park, Gi Tae Kim, Eun Joo Choi
Clinical limitations following closed reduction of an intracapsular condylar fracture include a decrease in maximum mouth opening, reduced range of mandibular movements such as protrusion/lateral excursion, and reduced occlusal stability. Anteromedial and inferior displacement of the medial condyle fragment by traction of the lateral pterygoid muscle can induce bone overgrowth due to distraction osteogenesis between the medial and lateral condylar fragments, causing structural changes in the condyle. In addition, when conventional maxillomandibular fixation (MMF) is performed, persistent interdental contact sustains masticatory muscle hyperactivity, leading to a decreased vertical dimension and premature contact of the posterior teeth...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29141673/a-customized-fixation-plate-with-novel-structure-designed-by-topological-optimization-for-mandibular-angle-fracture-based-on-finite-element-analysis
#13
Yun-Feng Liu, Ying-Ying Fan, Xian-Feng Jiang, Dale A Baur
BACKGROUND: The purpose of this study was to design a customized fixation plate for mandibular angle fracture using topological optimization based on the biomechanical properties of the two conventional fixation systems, and compare the results of stress, strain and displacement distributions calculated by finite element analysis (FEA). METHODS: A three-dimensional (3D) virtual mandible was reconstructed from CT images with a mimic angle fracture and a 1 mm gap between two bone segments, and then a FEA model, including volume mesh with inhomogeneous bone material properties, three loading conditions and constraints (muscles and condyles), was created to design a customized plate using topological optimization method, then the shape of the plate was referenced from the stress concentrated area on an initial part created from thickened bone surface for optimal calculation, and then the plate was formulated as "V" pattern according to dimensions of standard mini-plate finally...
November 15, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29133198/study-of-the-mechanical-reliability-of-an-s-shaped-adjustable-osteosynthesis-plate-for-bilateral-sagittal-split-osteotomies-study-on-15-consecutive-cases
#14
A Veyssiere, N Leprovost, B Ambroise, R Prévost, A Chatellier, H Bénateau
INTRODUCTION: The main challenge during the osteosynthesis of a bilateral sagittal split osteotomy (BSSO) is to take into account the correct position of the condyle. Adjustable plates can be used to fine-tune the final occlusion without changing the osteosynthesis. A new type of adjustable plate is presented in this article. The aim is to assess the mechanical reliability of this system during the surgery and during the healing period, thanks to a preliminary prospective on 15 consecutive cases...
November 10, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29130879/vascularized-medial-femoral-condyle-graft-for-manubrium-nonunion-case-report-and-review-of-the-literature
#15
William R Aibinder, Michael E Torchia, Allen T Bishop, Alexander Y Shin
Fractures of the sternum are rare. Persistent nonunions, however, can lead to chronic pain and significant functional limitations. The vascularized medial femoral condyle is a versatile tool in the surgeon's armamentarium. Traditionally, it has been used as a thin corticoperiosteal graft in the treatment of nonunion of tubular bones. Its use as a structural corticocancellous graft has also been expanding. This report presents a case of a patient with a recalcitrant symptomatic nonunion of the manubrium treated with the unique combined corticoperiosteal and corticocancellous vascularized bone graft from the medial femoral condyle and reviews the literature concerning these uncommon nonunions...
October 2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29125707/vascularized-humeral-periosteal-flap-to-treat-lateral-humeral-condyle-nonunion-an-anatomical-study-and-report-of-two-successfully-treated-pediatric-cases
#16
S Sergi Barrera-Ochoa, Francisco Soldado, Alfonso Rodriguez-Baeza, Paula Diaz-Gallardo, Felipe Hodgson, Pablo S Corona, Jorge Knörr
PURPOSE: Nonunion is a common complication of lateral condyle humeral (LCH) fractures in children. In situ fixation with a screw and bone grafting is the classically-recommended method of treatment. The purpose of this study is to analyze the feasibility of obtaining a vascularized periosteal flap obtained from the lateral humerus and based on the posterior collateral radial vessels (PCRV). Second, to report the results after the application in two pediatric cases. METHODS: Periosteal branches of PCRV were studied in ten upper limbs from fresh human cadavers...
November 10, 2017: Microsurgery
https://www.readbyqxmd.com/read/29103840/the-influence-of-full-thickness-chondral-defects-on-outcomes-following-meniscal-allograft-transplantation-a-comparative-study
#17
Bryan M Saltzman, Maximilian A Meyer, Timothy S Leroux, Matthew E Gilelis, Margot Debot, Adam B Yanke, Brian J Cole
PURPOSE: To compare a series of patients who underwent meniscus allograft transplantation (MAT) with full-thickness chondral defects (FTD) with those with no chondral defect (ND) with regard to the following: change in patient-reported outcomes (PROs) from baseline to 2-year follow-up and baseline to the final follow-up (including comparisons to minimal clinically important differences), complications and complication rates, reoperations and reoperation rates/timing, and failures and time to failure (revision MAT or conversion to total knee arthroplasty)...
November 2, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29099164/synthesis-and-characterization-of-an-injectable-and-hydrophilous-expandable-bone-cement-based-on-poly-methyl-methacrylate
#18
Zhao Yang, Lei Chen, Yuxin Hao, Yuan Zang, Xiong Zhao, Lei Shi, Yang Zhang, Yafei Feng, Chao Xu, Faqi Wang, Xinli Wang, Bowen Wang, Chenxin Liu, Yufei Tang, Zixiang Wu, Wei Lei
Poly(methyl methacrylate) (PMMA), the most common bone cement, has been used as a graft substitute in orthopedic surgeries such as vertebroplasty. However, an undesirable minor crack in the bone-cement interface provoked by shrinkage during polymerization and high elastic modulus of conventional PMMA bone cement dramatically increases the risk of vertebral body refracture postsurgery. Thus, herein, a hydrophilous expandable bone cement was synthesized based on a PMMA commercial cement (Mendec Spine Resin), acrylic acid (AA), and styrene (St)...
November 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29098354/-total-elbow-arthroplasty-in-traumatic-and-post-traumatic-bone-defects
#19
REVIEW
M Hackl, L P Müller, T Leschinger, K Wegmann
Total elbow arthroplasty is currently most commonly carried out due to acute trauma or post-traumatic conditions. Bone defects are often present and must be considered in the (pre-)operative workup. The use of semi-constrained prostheses with a systematic cementing technique through a triceps-on approach leads to satisfying clinical results, however, the outcome is worse when compared with rheumatic patients.Primary total elbow arthroplasty for complex distal humerus fractures in the elderly patient or secondary implantation following failed conservative treatment or osteosynthesis represent possible indications for (post‑)traumatic joint replacement...
November 2, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29081394/a-case-of-asymptomatic-occipital-condyle-fracture-with-incomplete-occipito-cervical-dislocation-how-did-it-happen
#20
P Anania, P Fiaschi, P F Sbaffi, G L Zona
Atlanto-occipital dislocation (AODs) is a lesion rarely observed in a trauma center, due to high mortality in the preclinical phase. The number of AODs survivors is increasing thanks to the improvement in prehospital resuscitation. Our goal is to describe a case of incomplete atlanto-occipital dislocation presented without any neurological, cardio-respiratory, or metabolic problems, which remained constant even after surgical treatment. Our purpose is also to discuss treatment approaches to minimize subsequent neurological deficits...
October 25, 2017: World Neurosurgery
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