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https://www.readbyqxmd.com/read/28105122/analysis-of-3-dimensional-finite-element-after-reconstruction-of-impaired-ankle-deltoid-ligament
#1
Yunhan Ji, Xianzhong Tang, Yifan Li, Wei Xu, Wenjun Qiu
We compared four repair techniques for impaired ankle ligament deltoideum, namely Wiltberger, Deland, Kitaoka and Hintermann using a 3-dimensional finite element. We built an ankle ligament deltoideum model, including six pieces of bone structures, gristles and main ligaments around the ankle. After testing the model, we built an impaired ligament deltoideum model plus four reconstruction models. Subsequently, different levels of force on ankles with different flexion were imposed and ankle biomechanics were compared...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28103870/osteochondral-autograft-transplantation-with-biplanar-distal-tibial-osteotomy-for-patients-with-concomitant-large-osteochondral-lesion-of-the-talus-and-varus-ankle-malalignment
#2
Xingchen Li, Yuan Zhu, Yang Xu, Bibo Wang, Jinhao Liu, Xiangyang Xu
BACKGROUND: Osteochondral lesions of the talus (OLTs) are amongst the most common foot and ankle disorders. Varus ankle malalignment causes stress concentration on medial side of the joint, resulting in OLTs and osteoarthritis. For large symptomatic OLTs (>10 mm), Osteochondral autograft transplantation is usually recommended. This article highlights biplanar distal tibial osteotomy as an approach and management for patients with concomitant large OLTs and varus ankle malalignment...
January 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28089359/transient-and-long-time-kinetic-responses-of-the-cadaveric-leg-during-internal-and-external-foot-rotation
#3
Alexander R Mait, Adwait Mane, Jason L Forman, John Paul Donlon, Bingbing Nie, Richard W Kent
The purpose of this study was to determine the long-time and transient characteristics of the moment generated by external (ER) and internal (IR) rotation of the calcaneus with respect to the tibia. Two human cadaver legs were disarticulated at the knee joint while maintaining the connective tissue between the tibia and fibula. An axial rotation of 21° was applied to the proximal tibia to generate either ER or IR while the fibula was unconstrained and the calcaneus was permitted to translate in the transverse plane...
January 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28087394/hawkins-type-ii-talar-fracturewithsubtalar-dislocation%C3%A2-a-veryunusualcombination
#4
Romain Gérard, Nathalie Kerfant, Geoffroy Dubois de Mont Marin, Richard Stern, Mathieu Assal
We report the unusualcase of a 16-year-old young man whosustained a rare association of a Hawkins' type-II talar neck fracture with a completemedialsubtalar dislocation (Hawkins type-IIB) thatoccurred as anisolatedinjuryafter indirect trauma during a soccer game. Followingclosedreduction of the subtalar dislocation, standard radiographs and computedtomography (CT)demonstrated a comminuted fracture of the talus involving the base of the talar neck. Open reductionwasperformed and the fracture wasstabilizedby ORIF...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28087215/surgical-outcome-of-posterior-ankle-impingement-syndrome-with-concomitant-ankle-disorders-treated-simultaneously-in-patient-engaged-in-athletic-activity
#5
Wataru Miyamoto, Shinya Miki, Hirotaka Kawano, Masato Takao
BACKGROUND: It is unclear whether simultaneous surgery for posterior ankle impingement syndrome (PAIS) and concomitant ankle disorders, such as anterior ankle impingement syndrome (AAIS), lateral ankle instability (LAI), and osteochondral lesion of the talus (OLT), allows for early return to athletic activity. METHODS: Ninety-seven patients who engaged in athletic activity (mean age 27 [range 18-43] years) and were treated by a hindfoot endoscopic approach for PAIS alone or simultaneously for PAIS and concomitant ankle disorders were included in this study...
January 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28076977/combining-microfractures-autologous-bone-graft-and-autologous-matrix-induced-chondrogenesis-for-the-treatment-of-juvenile-osteochondral-talar-lesions
#6
Riccardo D'Ambrosi, Camilla Maccario, Chiara Ursino, Nicola Serra, Federico Giuseppe Usuelli
BACKGROUND: The purpose of this study was to evaluate the clinical and radiologic outcomes of patients younger than 20 years, treated with the arthroscopic-talus autologous matrix-induced chondrogenesis (AT-AMIC) technique and autologous bone graft for osteochondral lesion of the talus (OLT). METHODS: Eleven patients under 20 years (range 13.3-20.0) underwent the AT-AMIC procedure and autologous bone graft for OLTs. Patients were evaluated preoperatively (T0) and at 6 (T1), 12 (T2), and 24 (T3) months postoperatively, using the American Orthopaedic Foot & Ankle Society Ankle and Hindfoot (AOFAS) score, the visual analog scale and the SF-12 respectively in its Mental and Physical Component Scores...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28073376/treatment-and-outcome-prognosis-of-patients-with-high-energy-transsyndesmotic-ankle-fracture-dislocation-the-logsplitter-injury
#7
Zhe Wang, Xin Tang, Shenglong Li, Xiuhui Wang, Liangfeng Gong, Tao Zhong, Kunzheng Wang
BACKGROUND: This study aimed to retrospectively review the clinical efficacy of open reduction and internal fixation (ORIF) for treatment of high-energy transsyndesmotic ankle fracture dislocation-the "Logsplitter" injury. METHODS: Between December 2006 and December 2014, 41 patients (29 males and 12 females; mean age, 41.46 ± 13.42 years) with Logsplitter injury were treated by ORIF procedure. Patients were grouped as typical injury (mainly vertical axial stress) and untypical injury (mainly rotational stress) according to the injury mechanism and the degree of the talus wedged into the distal tibiofibular joint...
January 10, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28073141/-current-recommendations-for-the-therapy-of-dislocated-talus-fractures-weber-and-marti-type-iv-literature-research
#8
Hans-Joachim Riesner, Falk von Lübken, Sonja Förster, Patricia Lang, Fabian Stuby, Benedikt Friemert, Hans-Georg Palm
Introduction Talar dislocation fractures of type IV (Marti and Weber) are extremely rare injuries with special challenges to the surgeon and poor results. Due to their low incidence and the sparse literature, it is unclear what is the optimal treatment and how complications can be minimised. Material and Methods A literature research was carried out using the online medical database "PubMed". The findings of the literature were then applied to a clinical case of type IV talar dislocation fracture (Marti and Weber)...
January 10, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28068792/arthroscopic-reduction-and-internal-fixation-arif-of-a-comminuted-posterior-talar-body-fracture
#9
Rishin Kadakia, Jeff Konopka, Tristan Rodik, Samra Ahmed, Sameh A Labib
: The talus is the second most common fractured tarsal bone. While their incidence may be low, talus fractures are severe injuries that can lead to long-term disability and pain. Displaced talar body fractures are typically treated through an open approach with the aim of obtaining anatomic reduction and stable fixation. There are several case reports in the literature demonstrating successful management of talus fractures arthroscopically. An arthroscopic approach minimizes soft tissue trauma, which can help decrease postoperative wound complications and infections...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28061741/economic-analysis-and-patient-satisfaction-associated-with-outpatient-total-ankle-arthroplasty
#10
Tyler Gonzalez, Erica Fisk, Christopher Chiodo, Jeremy Smith, Eric Bluman
BACKGROUND: Total ankle arthroplasty (TAA) is a rapidly growing treatment for end-stage ankle arthritis that is generally performed as an inpatient procedure. The feasibility of outpatient total ankle arthroplasty (OTAA) has not been reported in the literature. We sought to establish proof of concept for OTAA by comparing outpatient vs inpatient perioperative complications, postoperative emergency department (ED) visits, readmissions, patient satisfaction, and cost analysis. METHODS: From July 2010 to September 2015, a total of 36 patients underwent TAA...
December 1, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/28052415/arthroscopic-approach-and-intra-articular-anatomy-of-the-dorsal-and-plantar-synovial-compartments-of-the-bovine-tarsocrural-joint
#11
Hélène Lardé, Sylvain Nichols, Marie Babkine, André Desrochers
OBJECTIVE: To determine arthroscopic approaches to the dorsal and plantar synovial compartments of the tarsocrural joint in adult cattle, and to describe the arthroscopic intra-articular anatomy from each approach. STUDY DESIGN: Ex vivo study. ANIMALS: Fresh adult bovine cadavers (n = 7). METHODS: Two tarsocrural joint were injected with latex to determine arthroscopic portal locations and arthroscopy of the tarsocrural joint of 12 tarsi was performed...
January 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28026736/-peripheral-factures-of-the-talus-mid-term-results
#12
M Peml, P Kálal, P Kopačka, M Kloub
PURPOSE OF THE STUDY Peripheral fractures of the talus (lateral talar process and posterior talar process) are rare injuries, easy to miss on examination due to their location and clinical manifestation. They account for 0.3% to 1.0% of all fractures of the talus. An incorrect or late treatment of talar process fractures can result in permanent pain, impingement syndrome, healing in malposition, pseudoarthrosis development and also, due to joint instability, in a potential development of severe subtalar arthritis...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28018093/clinico-radiological-improvement-in-an-immunocompetent-patient-presented-with-scedosporium-apiospermum-osteomyelitis
#13
Rahul Mohan, T S Gopakumar
Scedosporium apiospermum is frequently found as a saprophyte in soil, sewage and contaminated water. Its manifestations in immunocompetent patients are usually localised and in immunodeficient patients, it causes invasive systemic diseases. We are reporting the case of a 40-year-old male, who presented with pain, oedema and multiple discharging sinuses over the lateral aspect of the left foot with history of thorn prick. On examination, there were multiple active sinuses with tenderness and local rise in temperature...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28018081/spontaneous-osteonecrosis-of-navicular-and-talus-sonnt
#14
Raju Vaishya, Virender Kumar, Amit Kumar Agarwal, Vipul Vijay
We describe a rare case of simultaneous and spontaneous osteonecrosis affecting bilateral navicular and talar bones in a young male. On both sides, there was associated symptomatic talonavicular and naviculocuneiform arthritis. The more symptomatic left foot was managed successfully by talonavicular-cuneiform (TNC) arthrodesis and core decompression of talar body. A probable cause of this rare disorder was most likely due to a developmental anomaly in the preaxial ray of the foot. As no literature is currently available for this rare condition, our case report is intended to provide a referral point for future studies in the early diagnosis and management of this condition...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28018067/a-rare-combination-of-sagittal-plane-fracture-of-talar-body-with-medial-malleolus-fracture-case-report-and-review-of-literature
#15
M Arkesh, Sahil Gaba, Saubhik Das, Jeya Venkatesh Palanisamy, Vivek Trikha
Fractures of talus are relatively uncommon injuries with majority of them involving the neck region. Talar body fracture in sagittal plane in combination with medial malleolus fracture is very rare with few cases being reported in the literature earlier. We report such an unusual combination in an adolescent, which was treated with open reduction and internal fixation with screws for both talus and medial malleolus. This was followed by physiotherapy and non-weight bearing till the fracture united.
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28012152/erratum-to-bone-marrow-aspirate-concentrate-for-the-treatment-of-osteochondral-lesions-of-the-talus-a-systematic-review-of-outcomes
#16
Jorge Chahla, Mark E Cinque, Jason M Schon, Daniel J Liechti, Lauren M Matheny, Robert F LaPrade, Thomas O Clanton
No abstract text is available yet for this article.
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28003071/editorial-commentary-bulk-osteochondral-talar-grafts-compromise-future-arthrodesis-or-prosthesis
#17
EDITORIAL
C Niek van Dijk
In general, osteochondral allograft should include minimal "osteo" or bone. In cases that require a bulk allograft, even after creeping substitution and healing, most of the graft remains dead bone. Bulk dead bone is a particular problem in the talus, should a patient need revision to a prosthesis or arthrodesis. As an alternative, drilling, bone grafting, and fixation of existing cartilage, when possible, is preferred.
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27994723/return-to-sports-after-bone-marrow-derived-cell-transplantation-for-osteochondral-lesions-of-the-talus
#18
Francesca Vannini, Marco Cavallo, Laura Ramponi, Francesco Castagnini, Simone Massimi, Sandro Giannini, Roberto Emanuele Buda
OBJECTIVE: Arthroscopic "one-step" technique based on bone marrow-derived cell transplantation (BMDCT) have achieved good results in repairing osteochondral lesions of the talus (OLT), overcoming important drawbacks of older techniques. It may be particularly adequate for the treatment of athletes in order to permit a safe and stable return to sports. The aim of this study was to report the results at 48 months of a series of athletes and the factors influencing the return to sports. DESIGN: Case series...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27994722/immediate-unrestricted-postoperative-weightbearing-and-mobilization-after-bone-marrow-stimulation-of-large-osteochondral-lesions-of-the-talus
#19
Gregory A Lundeen, Linda J Dunaway
OBJECTIVE: There remains no consensus on a postoperative protocol following arthroscopic treatment of osteochondral lesions of the talus (OLTs) and most studies report a period of immobilization and nonweightbearing. Outcomes are believed to decrease with larger size. The purpose of our study was to evaluate patients who underwent arthroscopic treatment of large (≥150 mm(2)) OLTs with immediate unrestricted weightbearing and mobilization postoperatively. DESIGN: Patients who underwent arthroscopic bone marrow stimulation for osteochondral defects were identified...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27994721/particulated-juvenile-articular-cartilage-allograft-transplantation-for-osteochondral-talar-lesions
#20
Bryan M Saltzman, Johnny Lin, Simon Lee
OBJECTIVE: To report on our institution's early results from juvenile particulate cartilage allograft transplantation of the talus. DESIGN: Because of the relative rarity of the procedure at the talus, it was decided to provide a comprehensive understanding of the currently available evidence via a 2-part study with (1) a systematic review of the literature and (2) a retrospective single-center cohort study of the authors' patients, their demographics, and their early outcomes...
January 2017: Cartilage
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