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https://www.readbyqxmd.com/read/28227747/split-belt-adaptation-and-gait-symmetry-in-transtibial-amputees-walking-with-a-hybrid-emg-controlled-ankle-foot-prosthesis
#1
Oliver A Kannape, Hugh M Herr, Oliver A Kannape, Hugh M Herr, Oliver A Kannape, Hugh M Herr
Our ability to automatically adapt our walking pattern to the demands of our environment is central to maintaining a steady gait. Accordingly, a large effort is being made to extend and integrate this adaptability to lower-limb prostheses. To date, the main focus of this research has been on short term adaptation, such as in response to a terrain transition or a sudden change in the environment. However, long term adaptation and underlying sensorimotor learning processes are critical to optimizing walking patterns and predictively changing our gait when faced with continued perturbations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222622/management-of-acute-achilles-tendon-rupture-with-tendon-bundle-technique
#2
Chun-Guang Li, Bing Li, Yun-Feng Yang
Objective * These authors contributed equally to this work. To explore tendon-bundle technique for treating Achilles tendon rupture with no defects. Methods Patients with full unilateral Achilles tendon rupture with no defects were included. The Achilles tendon medial edge surgical repair approach was used, revealing horsetail-like rupture bundles. Tendon bundles were anatomically realigned and repaired end-to-end using 5-0 sutures. Patients were followed-up for 1 year, and assessed for differences between the repaired versus healthy limb...
February 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28214465/acute-and-chronic-lateral-ankle-instability-diagnosis-management-and-new-concepts
#3
Rachel Shakked, Steven Sheskier
Lateral ankle instability is a common entity that can result in degenerative arthritis if left untreated. Acute ligament injuries should primarily be treated nonoperatively with a course of physical therapy and functional bracing. Chronic ankle instability is defined as mechanical or functional and can be diagnosed using a combination of history, physical examination, stress radiographs, and magnetic resonance imaging. After failure of nonoperative treatment, surgical treatment with anatomic ligament repair and inferior extensor retinaculum augmentation has the best clinical outcomes...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28173717/double-plating-of-distal-fibula-fractures
#4
Danica D Vance, J Turner Vosseller
INTRODUCTION: Distal fibula fractures are common orthopaedic injuries that often require open reduction internal fixation (ORIF) to anatomically reduce the fracture and minimize the risk of posttraumatic arthritis. In certain clinical situations, stouter fixation may be advantageous to decrease the risk of fixation failure. In this study, the authors report on 12 patients who underwent distal fibula ORIF with 2 one-third tubular plates. MATERIALS AND METHODS: Twelve consecutive patients who underwent distal fibula ORIF with 2 one-third tubular plates were retrospectively reviewed...
February 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28162173/-clinical-effect-of-double-layer-vacuum-sealing-drainage-in-the-treatment-of-delayed-severe-infection-after-calcaneal-fracture-operation
#5
H D Ma, J Bai, X J Du, H D Liu, Y Gao, J J Li, W D Liang, L H Cao, J F Qu
Objective: To observe the clinical effect of vacuum sealing drainage (VSD) technique and simple dressing change in the treatment of delayed severe infection after calcaneal fracture surgery. Methods: From August 2008 to July 2015 , 73 patients with delayed severe infection were treated after calcaneal fractures 3 months in Department of Foot and Ankle, the Second Hospital of Tangshan City, according to the treatment methods are divided into vacuum sealing drainage group of 38 cases, 35 cases of simple dressing group...
January 17, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28159052/complex-ankle-arthrodesis-with-step-cut-osteotomy-in-charcot-arthropathy-with-bone-loss
#6
Sean Booth, Moez Ballal, Anand Pillai
We report a case of a complex limb salvage ankle arthrodesis in a patient with Charcot arthropathy. A step-cut osteotomy was performed in order to tackle the issues of anterior tibial bone loss; worsening leg length discrepancy; soft tissue contraction; joint instability and high risk of non-union. The construct formed by the step-cut allowed for the preservation of good bone stock; avoidance of further limb shortening; increased torsional stability and increased surface area for bony union. This resulted in a patient with a stable, plantigrade foot appropriate for footwear...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28159047/localized-pigmented-villonodular-synovitis-of-the-ankle-expect-the-unexpected
#7
Ozren Kubat, Ivan Bojanić, Tomislav Smoljanović
BACKGROUND: We present the technique, results and discuss arthroscopic treatment of the localized form of pigmented villonodular synovitis (LPVNS) of the ankle. METHODS: Medical records of five patients diagnosed and treated for ankle LPVNS with a minimum five-year followup were retrospectively reviewed. All patients were treated arthroscopically, altered synovial tissue was resected and a sample of tissue was sent for pathohistological examination for the definitive diagnosis...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28159045/use-of-locking-barbed-sutures-in-foot-and-ankle-surgery-a-case-series
#8
Ziyaad Mayet, Hooman Eshraghi, Paulo N F Ferrao, Nikiforos P Saragas
BACKGROUND: Barbed sutures represent a novel technique for wound closure. By distributing tension forces across the length of a wound, it results in better wound healing. A recent article from Chowdhry et al. cautioned against the use of barbed sutures in foot and ankle surgery. Our experience with the Quill(®) (Angiotech, Vancouver, BC) barbed suture, showed a more positive outcome. MATERIALS AND METHODS: 123 surgical wounds were prospectively followed up after closure with a bidirectional barbed suture...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28149741/arthroscopic-release-of-lateral-half-of-the-talocalcaneonavicular-joint
#9
Tun Hing Lui
Arthrofibrosis of the talocalcaneonavicular joint can follow trauma or surgery of the joint. Arthroscopic release of the lateral half of the talocalcaneonavicular joint is indicated if the painful restriction of hindfoot inversion together with tenderness of the lateral side of the joint that is not controlled with conservative treatment. This procedure is contraindicated in other causes of painful stiffness including post-traumatic arthritis, osteonecrosis, and malunion. This technique includes arthroscopic release of the lateral side of the anterior subtalar joint and the talonavicular joint...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149727/arthroscopic-taloplasty-for-an-anterolateral-snapping-ankle
#10
Tun Hing Lui
Anterior ankle snapping syndrome is rare. Snapping of the extensor digitorum longus due to attenuated inferior extensor retinaculum and snapping due to hypertrophied or low-lying peroneal tertius muscle have been reported. We reported a new mechanism of anterolateral snapping due to a hypertrophied talar head. Anterolateral snapping ankle can be revealed by active dorsiflexion and plantarflexion of the ankle with the foot inverted. Foot inversion will tension the inferior extensor retinaculum and uncover the dorsolateral prominence of the talar head...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28114949/individual-headless-compression-screws-fixed-with-three-dimensional-image-processing-technology-improves-fusion-rates-of-isolated-talonavicular-arthrodesis
#11
Mei-Ming Xie, Kang Xia, Hong-Xin Zhang, Hong-Hui Cao, Zhi-Jin Yang, Hai-Feng Cui, Shang Gao, Kang-Lai Tang
BACKGROUND: Screw fixation is a typical technique for isolated talonavicular arthrodesis (TNA), however, no consensus has been reached on how to select most suitable inserted position and direction. The study aimed to present a new fixation technique and to evaluate the clinical outcome of individual headless compression screws (HCSs) applied with three-dimensional (3D) image processing technology to isolated TNA. METHODS: From 2007 to 2014, 69 patients underwent isolated TNA by using double Acutrak HCSs...
January 23, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28113040/endoscopic-versus-open-excision-of-os-trigonum-for-the-treatment-of-posterior-ankle-impingement-syndrome-in-an-athletic-population
#12
Dimitrios Georgiannos, Ilias Bisbinas
BACKGROUND: Open surgical excision of the os trigonum has been the traditional treatment for posterior ankle impingement syndrome (PAIS). However, the endoscopic excision has recently become quite popular. Purpose/Hypothesis: The purpose of our study was to compare the results of endoscopic versus open excision of a symptomatic os trigonum for the treatment of PAIS in an athletic population. It was hypothesized that the endoscopic technique would be superior to the open technique regarding functional outcomes, pain, and time to return to training and the previous sports level...
January 1, 2017: American Journal of Sports 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
#13
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/28093371/sonographically-guided-knee-meniscus-injections-feasibility-techniques-and-validation
#14
Michael R Baria, Jacob L Sellon, Dan Lueders, Jay Smith
BACKGROUND: There is a growing interest in the use of biologic agents such as platelet-rich plasma and mesenchymal stem/stromal cells to treat musculoskeletal injuries, including meniscal tears. Although previous research has documented the role of diagnostic ultrasound to evaluate meniscal tears, sonographically guided (SG) techniques to specifically deliver therapeutic agents into the meniscus have not been described. OBJECTIVE: To describe and validate SG injection techniques for the body and posterior horn of the medial and lateral meniscus...
January 16, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28092978/variability-in-foot-and-ankle-case-volume-in-orthopaedic-residency-training
#15
Steven F DeFroda, Joseph A Gil, Brad D Blankenhorn, Alan H Daniels
: Surgical case volume during orthopaedic surgical residency is a concern among trainees and program directors alike. With an ongoing trend toward further subspecialization and the rapid development of new techniques and devices, the breadth of procedures that residents are exposed to continues to increase. Accreditation Council for Graduate Medical Education surgical case logs from 2009 to 2013 for graduating orthopaedic surgery residents were examined to assess the national averages of orthopaedic procedures logged by graduating orthopaedic surgery residents in the leg/ankle and foot/toes categories...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28076977/combining-microfractures-autologous-bone-graft-and-autologous-matrix-induced-chondrogenesis-for-the-treatment-of-juvenile-osteochondral-talar-lesions
#16
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/28074463/importance-of-fixation-of-posterior-malleolus-fracture-in-trimalleolar-fractures-a-retrospective-study
#17
Sinan Karaca, Meriç Enercan, Güzelali Özdemir, Sinan Kahraman, Mutlu Çobanoğlu, Metin Küçükkaya
BACKGROUND: The aim of this retrospective study was to evaluate treatment effect and importance of posterior malleolus (PM) fixation in surgically treated trimalleolar fractures. METHODS: A total of 57 cases of ankle joint fracture involving PM and treated with open reduction and internal fixation technique between 2004 and 2011 were evaluated. PM fixation was performed with cannulated screws in 46 cases, and in 11 cases, PM plate was used. All patients were assessed using American Orthopaedic Foot and Ankle Society (AOFAS) score, American Academy of Orthopedic Surgeons (AAOS) foot and ankle questionnaire, and Visual Analog Score (VAS) pain scale...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28068842/tibialis-anterior-tendon-reconstruction-using-augmented-half-thickness-tendon-segment-transposition
#18
Christopher W Reb, James F Stenson, Joseph N Daniel
: Tibialis anterior tendon rupture causes substantial morbidity. The present study describes the outcomes of augmented, half-thickness tibialis anterior tendon segment transposition, a novel reconstruction technique. This was an institutional review board-approved retrospective review of 3 patients with surgically treated attritional distal rupture with 1-year follow-up. The postdebridement tendon defect prohibited primary repair and was managed by distal transposition of a half-thickness healthy segment...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28064351/orthopedic-trauma-surgery-and-hospital-cost-analysis-in-refugees-the-effect-of-the-syrian-civil-war
#19
Altuğ Duramaz, Mustafa Gökhan Bilgili, Berhan Bayram, Nezih Ziroğlu, Alkan Bayrak, Mustafa Cevdet Avkan
PURPOSE: The aim of this study was to evaluate the musculoskeletal injury types, injury mechanisms, surgical techniques and treatment costs of Syrian refugees. METHODS: Totally 158 patients (67 female, 91 male) treated in our clinic in 34 months period between January 2012 and October 2014 were included in the study. The mean age of the patients was 39.3 years (range: 18-82 years). The patients were evaluated for age, gender, mechanism of injury, location and type of fracture, presence of accompanying injuries, injury severity score, surgical technique, complications, mortality/morbidity and treatment cost...
January 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28063273/mechanisms-of-compensation-in-the-gait-of-patients-with-drop-foot
#20
Michalina Błażkiewicz, Ida Wiszomirska, Katarzyna Kaczmarczyk, Grażyna Brzuszkiewicz-Kuźmicka, Andrzej Wit
BACKGROUND: Drop foot is a complex syndrome, with multiple interactions between joints and muscles. Abnormalities in movement patterns can be measured using motion capture techniques, but identifying compensation mechanisms remains challenging. METHODS: In order to identify compensatory mechanisms in patients with drop foot, this study evaluated a sample of 15 such patients using a computerized gait analysis system, as compared to a group of 15 healthy subjects...
January 3, 2017: Clinical Biomechanics
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