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https://www.readbyqxmd.com/read/29149841/establishment-of-rat-ankle-post-traumatic-osteoarthritis-model-induced-by-malleolus-fracture
#1
Dawei Liang, Jian Sun, Fangyuan Wei, Jianzhong Zhang, Pengcui Li, Yingke Xu, Xianwen Shang, Jin Deng, Ting Zhao, Lei Wei
BACKGROUND: Malleolar fracture, which is present in 37-53% of human ankle osteoarthritis (OA), is the most common type of fracture in the ankle joint. In spite of this, no rat animal model has been developed for this type of injury to date. Here, we established a rat ankle post-traumatic OA (PTOA) model induced by malleolar fracture; this model will be useful in ankle OA research. METHODS: Two-month-old male Sprague Dawley (SD) rats were randomized into 2 groups (n = 19 per group): 1) malleolus articular fracture, dislocation, and immediate reduction on the right joints and 2) malleolus articular fracture on the right ankle...
November 17, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29149741/the-isolated-posterior-malleolar-fracture-and-syndesmotic-instability-a-case-report-and-review-of-the-literature
#2
Diederik P J Smeeing, Roderick M Houwert, Moyo C Kruyt, Falco Hietbrink
INTRODUCTION: Ankle fractures are among the most common type of fractures in the lower extremity. A posterior malleolar fracture is frequently part of a more complex ankle fracture and only in rare cases it occurs as isolated injury. Posterior malleolar fractures often occur with associated injuries, such as a Maisonneuve fracture or with bi- or trimalleolar ligamentous injuries. Knowledge about these associated injuries is essential to prevent missed diagnoses. The aim of this article is to describe the isolated posterior malleolar fracture, the possible associated injuries, the diagnostic work-up and therapeutic consequences...
November 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29145965/increased-cytokine-levels-and-histological-changes-in-cartilage-synovial-cells-and-synovial-fluid-after-malleolar-fractures
#3
Alexandre L Godoy-Santos, Lucas Ranzoni, Walcy R Teodoro, Vera Capelozzi, Pedro Giglio, Tulio Diniz Fernandes, Stefan Rammelt
BACKGROUND: Malleolar fractures are among the most common fractures in the human skeleton with a high risk of later development of post-traumatic osteoarthritis (OA). The acute ankle injury initiates a sequence of events potentially leading to progressive articular surface damage resulting from inflammatory changes in cartilage, synovial tissue and synovial fluid. We hypothesised that in the acute phase of ankle fracture, these changes occur at the same time in the different tissues. METHODS: Specimens of chondral tissue, synovial tissue and synovial fluid were collected from 16 patients with acute articular ankle fracture (study group)...
October 2017: Injury
https://www.readbyqxmd.com/read/29140194/validity-of-a-smartphone-application-for-measuring-ankle-plantar-flexion
#4
Robert W Cox, Rodrigo E Martinez, Russell T Baker, Lindsay W Larkins
CONTEXT: Range of motion (ROM) is a component of a physical exam used in the diagnostic and rehabilitative process. Following ankle injury and/or during research, it is common to measure plantarflexion with a universal goniometer. The ease and availability of digital inclinometers created as applications for smartphones, has led to an increase in using this method of ROM assessment. Smartphone applications have been validated as alternatives to inclinometer measurements in the knee; however, this application has not been validated for plantarflexion in the ankle...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29140159/athletes-rated-as-poor-single-leg-squat-performers-display-measureable-differences-in-single-leg-squat-biomechanics-compared-to-good-performers
#5
Lachlan E Garrick, Bryce C Alexander, Anthony G Schache, Marcus G Pandy, Kay M Crossley, Natalie J Collins
CONTEXT: It is important to validate single-leg squat visual rating criteria used in clinical practice and research. Foot orthoses may improve single-leg squat performance in those who demonstrate biomechanics associated with increased risk of lower-limb injury. OBJECTIVE: Validate visual rating criteria proposed by Crossley et al, by determining whether athletes rated as poor single-leg squat performers display different single-leg squat biomechanics than good performers; and evaluate immediate effects of foot orthoses on single-leg squat biomechanics in poor performers...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29140127/proprioceptive-training-for-the-prevention-of-ankle-sprains-an-evidence-based-review
#6
Matthew J Rivera, Zachary K Winkelmann, Cameron J Powden, Kenneth E Games
Reference:  Schiftan GS, Ross LA, Hahne AJ. The effectiveness of proprioceptive training in preventing ankle sprains in sporting populations: a systematic review and meta-analysis. J Sci Med Sport. 2015;18(3):238-244. CLINICAL QUESTION:   Does the use of proprioceptive training as a sole intervention decrease the incidence of initial or recurrent ankle sprains in the athletic population? DATA SOURCES:   The authors completed a comprehensive literature search of MEDLINE, CINAHL, SPORTDiscus, and Physiotherapy Evidence Database (PEDro) from inception to October 2013...
November 15, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29138918/anatomic-stabilization-techniques-provide-superior-results-in-terms-of-functional-outcome-in-patients-suffering-from-chronic-ankle-instability-compared-to-non-anatomic-techniques
#7
REVIEW
G Vuurberg, H Pereira, L Blankevoort, C N van Dijk
PURPOSE: To determine the best surgical treatment for chronic ankle instability (CAI) a systematic review was performed to compare the functional outcomes between various surgical stabilization methods. METHODS: A systematic search was performed from 1950 up to April 2016 using PubMed, EMBASE, Medline and the Cochrane Library. Inclusion criteria were a minimum age of 18 years, persistent lateral ankle instability, treatment by some form of surgical stabilization, described functional outcome measures...
November 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29138208/validation-of-the-american-orthopaedic-foot-and-ankle-society-ankle-hindfoot-scale-dutch-language-version-in-patients-with-hindfoot-fractures
#8
A Siebe De Boer, Duncan E Meuffels, Cornelis H Van der Vlies, P Ted Den Hoed, Wim E Tuinebreijer, Michael H J Verhofstad, Esther M M Van Lieshout
OBJECTIVES: The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Scale is among the most used questionnaires for measuring functional recovery after a hindfoot injury. Recently, this instrument was translated and culturally adapted into a Dutch version. In this study, the measurement properties of the Dutch language version (DLV) were investigated in patients with a unilateral hindfoot fracture. DESIGN: Multicentre, prospective observational study...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29137564/muscle-atrophy-and-recovery-of-individual-thigh-muscles-as-measured-by-magnetic-resonance-imaging-scan-during-treatment-with-cast-for-ankle-or-foot-fracture
#9
Koun Yamauchi, Akito Yoshiko, Shigetoshi Suzuki, Chisato Kato, Hiroshi Akima, Takayuki Kato, Koji Ishida
PURPOSE: We aimed to longitudinally investigate individual thigh muscle changes using magnetic resonance imaging (MRI) during treatment with cast of ankle or foot fracture. Moreover, we aimed to demonstrate whether measurements of muscle cross-sectional area (CSA) are sensitive to muscle changes, contributing to simpler methods in clinical application . METHODS: Ten patients undergoing treatment with cast of acute ankle or foot fractures were studied. Axial MRI (1...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29136444/effect-of-locking-plate-fixation-vs-intramedullary-nail-fixation-on-6-month-disability-among-adults-with-displaced-fracture-of-the-distal-tibia-the-uk-fixdt-randomized-clinical-trial
#10
Matthew L Costa, Juul Achten, James Griffin, Stavros Petrou, Ian Pallister, Sarah E Lamb, Nick R Parsons
Importance: The best treatment for fractures of the distal tibia remains controversial. Most such fractures require surgical fixation but outcomes are unpredictable and complications are common. Objective: To assess disability, quality of life, and complications in patients with displaced tibial fracture treated with intramedullary nail fixation vs locking plate fixation. Design, Setting, and Participants: A multicenter randomized trial recruiting 321 patients 16 years or older with an acute, displaced, extra-articular fracture of the distal tibia from April 2013 through April 2016 with final follow-up in February 2017...
November 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29135783/beyond-the-bottom-of-the-foot-topographic-organization-of-the-foot-dorsum-in-walking
#11
Taryn Klarner, Gregory E P Pearcey, Yao Sun, Trevor S Barss, Chelsea Kaupp, Bridget Munro, Nick Frank, E Paul Zehr
INTRODUCTION: Sensory feedback from the foot dorsum during walking has only been studied globally by whole nerve stimulation. Stimulating the main nerve innervating the dorsal surface produces a functional stumble corrective response that is phase-dependently modulated. We speculated that effects evoked by activation of discrete skin regions on the foot dorsum would be topographically organized, as with the foot sole. METHODS: Nonnoxious electrical stimulation was delivered to five discrete locations on the dorsal surface of the foot during treadmill walking...
December 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29126847/visualization-of-painful-inflammation-in-patients-with-pain-after-traumatic-ankle-sprain-using-11-c-d-deprenyl-pet-ct
#12
Mikko Aarnio, Lieuwe Appel, Mats Fredrikson, Torsten Gordh, Olof Wolf, Jens Sörensen, Måns Thulin, Magnus Peterson, Clas Linnman
BACKGROUND AND AIMS: Positron emission tomography (PET) with the radioligand [(11)C]-D-deprenyl has shown increased signal at location of pain in patients with rheumatoid arthritis and chronic whiplash injury. The binding site of [(11)C]-D-deprenyl in peripheral tissues is suggested to be mitochondrial monoamine oxidase in cells engaged in post-traumatic inflammation and tissue repair processes. The association between [(11)C]-D-deprenyl uptake and the transition from acute to chronic pain remain unknown...
November 7, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29125037/an-audit-of-injuries-in-six-english-professional-soccer-academies
#13
Paul J Read, Jon L Oliver, Mark B A De Ste Croix, Gregory D Myer, Rhodri S Lloyd
Regulations now state that professional academies in the United Kingdom are required to substantially increase the volume of soccer training. This study assessed the current injury occurrence, providing an update to reports published prior to the introduction of the Elite Player Performance Plan (EPPP). 608 soccer players aged 11-18 years from six professional soccer clubs were prospectively monitored, recording injuries during the 2014-2015 season. An injury rate of 1.32 injuries per player/season was indicated with a mean time loss of 21...
November 10, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29121832/how-a-simple-ankle-sprain-turned-into-neuropathic-pain-complex-reflex-sympathetic-dystrophy-versus-erythromelalgia
#14
Ann Regina Lurati
A 36-year-old woman sustained a Grade 2 ankle sprain at work. Two days after the injury, the ankle and foot became red and she complained of "intense burning pain." First diagnosed with complex reflex sympathetic dystrophy, the employee was prescribed medications that provided some pain relief; a subsequent temporary nerve block provided additional relief. However, the symptoms returned and she was treated unsuccessfully with surgical sympathectomy. The employee was referred to a neurologist and diagnosed with primary erythromelalgia, a rare pain disorder that can be mistaken as complex reflex sympathetic dystrophy...
November 1, 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/29120005/peripheral-neuropathy-due-to-recreational-use-of-nitrous-oxide-presenting-after-an-ankle-sprain-with-foot-drop
#15
Jackson A Middleton, John A Roffers
A 22-year-old man was referred for orthopedic follow-up after an ankle injury. Initial evaluation in urgent care included radiographs with negative findings. After a delayed presentation, a course of functional treatment was recommended. Subsequently, he developed a deep venous thrombosis and pulmonary emboli. He was found to be factor V Leiden deficient and was fully anticoagulated on warfarin. Later reevaluation revealed a steppage gait and foot drop. Electrodiagnostic studies (ie, electromyography and nerve conduction studies) revealed a severe peripheral polyneuropathy...
November 8, 2017: Orthopedics
https://www.readbyqxmd.com/read/29116830/hip-strength-as-a-predictor-of-ankle-sprains-in-male-soccer-players-a-prospective-study
#16
Christopher M Powers, Navid Ghoddosi, Rachel K Straub, Khalil Khayambashi
CONTEXT:   Diminished hip-abductor strength has been suggested to increase the risk of noncontact lateral ankle sprains. OBJECTIVE:   To determine prospectively whether baseline hip-abductor strength predicts future noncontact lateral ankle sprains in competitive male soccer players. DESIGN:   Prospective cohort study. SETTING:   Athletic training facilities and various athletic fields. PATIENTS OR OTHER PARTICIPANTS:   Two hundred ten competitive male soccer players...
November 8, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29112474/mri-evaluation-of-midtarsal-chopart-sprain-in-the-setting-of-acute-ankle-injury
#17
William R Walter, Anna Hirschmann, Erin F Alaia, Elisabeth R Garwood, Zehava S Rosenberg
OBJECTIVE: This study determined the frequency and MRI appearance of osseous and ligamentous injuries in midtarsal (Chopart) sprains and their association with ankle sprains after acute ankle injuries. Prospective diagnosis of and interobserver agreement regarding midtarsal injury among musculoskeletal radiologists were also assessed. SUBJECTS AND METHODS: Two cohorts with ankle MRIs were identified via a digital PACS search: patients who had undergone MRI within 8 weeks after ankle injury and control subjects who had not sustained ankle trauma...
November 7, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29110725/tendon-split-lengthening-technique-for-flexor-hallucis-longus-tendon-rupture
#18
Jae Yong Park, Chenyu Wang, Hee Dong Kim, Hyong Nyun Kim
BACKGROUND: Flexor hallucis longus (FHL) tendon rupture is a challenging injury to lead with clawing of the great toe when the FHL tendon is repaired too tight. When the diagnosis is delayed, the tendon ends may not be opposable because of contracture or poor tendon tissue. METHODS: A technique to reconstruct FHL tendon rupture without a free tendon graft is described. A split tendon lengthening is performed at the midfoot around the knot of Henry. Ankle block anesthesia is used to allow the patient's active movement of the interphalangeal (IP) joint to determine the appropriate length of the reconstructed tendon for maintaining balance and preventing the tendon from being too tight or too loose...
November 6, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29108669/the-health-economics-of-ankle-and-foot-sprains-and-fractures-a-systematic-review-of-english-language-published-papers-part-1-overview-and-critical-appraisal
#19
REVIEW
Iwona A Bielska, Xiang Wang, Raymond Lee, Ana P Johnson
BACKGROUND: Ankle and foot sprains and fractures are common injuries affecting many individuals, often requiring considerable and costly medical interventions. The objectives of this systematic review are to collect, assess, and critically appraise the published literature on the health economics of ankle and foot injury (sprain and fracture) treatment. METHODS: A systematic literature review of Ovid MEDLINE, EMBASE, Cochrane DSR, ACP Journal Club, AMED, Ovid Healthstar, and CINAHL was conducted for English-language studies on the costs of treating ankle and foot sprains and fractures published from January 1980 to December 2014...
July 1, 2017: Foot
https://www.readbyqxmd.com/read/29105657/gait-training-after-spinal-cord-injury-safety-feasibility-and-gait-function-following-8-weeks-of-training-with-the-exoskeletons-from-ekso-bionics
#20
Carsten Bach Baunsgaard, Ulla Vig Nissen, Anne Katrin Brust, Angela Frotzler, Cornelia Ribeill, Yorck-Bernhard Kalke, Natacha León, Belén Gómez, Kersti Samuelsson, Wolfram Antepohl, Ulrika Holmström, Niklas Marklund, Thomas Glott, Arve Opheim, Jesus Benito, Narda Murillo, Janneke Nachtegaal, Willemijn Faber, Fin Biering-Sørensen
STUDY DESIGN: Prospective quasi-experimental study, pre- and post-design. OBJECTIVES: Assess safety, feasibility, training characteristics and changes in gait function for persons with spinal cord injury (SCI) using the robotic exoskeletons from Ekso Bionics. SETTING: Nine European rehabilitation centres. METHODS: Robotic exoskeleton gait training, three times weekly over 8 weeks. Time upright, time walking and steps in the device (training characteristics) were recorded longitudinally...
November 6, 2017: Spinal Cord
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