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Subtalar joint

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https://www.readbyqxmd.com/read/27904223/talocalcaneal-coalition-a-focus-on-radiographic-findings-and-sites-of-bridging
#1
Soon Hyuck Lee, Hyung Jun Park, Eui Dong Yeo, Young Koo Lee
BACKGROUND: Verifying the exact location of talocalcaneal (TC) coalition is important for surgery, but the complicated anatomy of the subtalar joint makes it difficult to visualize on radiographs. No study has used computed tomography (CT) or magnetic resonance imaging (MRI) to verify the radiological characteristics of TC coalition or those of different facet coalitions. Therefore, this study verified the radiological findings used to identify TC coalitions and those of different facet coalitions using CT and MRI...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27903928/restoring-the-anatomy-of-calcaneal-fractures-a-simple-technique-with-radiographic-review
#2
James M Cottom, Joseph S Baker
: Displaced, intra-articular fractures of the calcaneus result in gross deformity of the hindfoot, which must be reduced during surgical fixation. Described techniques aimed at restoring the normal anatomy of the calcaneus have mostly been focused on percutaneous methods, which are not without complication. Described in this report is a method of anatomic reduction during open reduction and internal fixation of these injuries, which uses a lamina spreader to simultaneously reduce calcaneal varus, restore calcaneal height, reduce the subtalar joint, and restore normal calcaneal width...
November 30, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27903576/first-reported-case-of-peroneal-tenosynovitis-caused-by-coccidioides-immitis-successfully-treated-with-fluconazole
#3
Aneela Majeed, Waqas Ullah, Auon Abbas Hamadani, Anca Georgescu
Coccidioidomycosis is an insidious infection caused by Coccidioides spp (C. immitis and C. posadasii). Disseminated disease occasionally involves tendon sheaths and synovium of the joints leading to tenosynovitis. Here, we describe the case of a 72-year-old woman from southern Arizona, who presented with right ankle pain, redness and swelling for 2 months. Her serum IgG was positive for C. immitis on complement fixation, and her MRI of the right ankle joint showed extensive tenosynovitis of the right peroneal tendons, and subtalar joint effusions with associated synovitis...
November 30, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27903299/arthroscopic-arthrodesis-for-ankle-arthritis-without-bone-graft
#4
Xiaojun Duan, Liu Yang, Li Yin
BACKGROUND: Ankle arthrodesis is considered by many to be the standard operative treatment for end-stage ankle arthritis. The purpose of this study was to perform a new technique for ankle joint surface and determine the outcome for the union rates of ankle arthroscopic arthrodesis. METHODS: A total of 68 patients with posttraumatic arthritis, primary osteoarthritis, and rheumatoid arthritis were treated by ankle arthroscopic arthrodesis between May 2007 and December 2012...
December 1, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27864559/effect-of-calcaneus-fracture-gap-without-step-off-on-stress-distribution-across-the-subtalar-joint
#5
Brett Barrick, Donald A Joyce, Frederick W Werner, Maria Iannolo
BACKGROUND: Subtalar arthritis is a common consequence following calcaneal fracture, and its development is related to the severity of the fracture. Previous calcaneal fracture models have demonstrated altered contact characteristics when a step-off is created in the posterior facet articular surface. Changes in posterior facet contact characteristics have not been previously characterized for calcaneal fracture gap without step-off. METHODS: The contact characteristics (peak pressure, area of contact, and centroid of pressure) of the posterior facet of the subtalar joint were determined in 6 cadaveric specimens...
November 18, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27852648/percutaneous-reduction-and-screw-fixation-of-displaced-intra-articular-fractures-of-the-calcaneus
#6
Saran Tantavisut, Phinit Phisitkul, Brian O Westerlind, Yubo Gao, Matthew D Karam, John L Marsh
BACKGROUND: Extensile open approaches to reduce and fix intra-articular calcaneal fractures are associated with high levels of wound complications. To avoid these complications, a technique of percutaneous reduction and fixation with screws alone was developed. This study assessed the clinical outcomes, radiographs, and postoperative CT scans after operative treatment with this technique. METHODS: 153 consecutive patients with 182 intra-articular calcaneal fractures were reviewed...
November 15, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27852383/-surgery-of-ipsilateral-hawkins-%C3%A2-talus-neck-and-ankle-joint-fractures-via-internal-and-lateral-approaches-with-herbert-screws
#7
P Zhang, Q R Dong, Z Y Wang, B Chen, J H Wan, L Wang
Objective: To explore the manual operation skills of operative treatment of ipsilateral Hawkins Ⅲ talus neck and ankle joint fractures via internal and lateral approaches with Herbert screws, and to study the clinical results. Method: From Jan 2009 to Dec 2014, the clinical data of 13 patients with ipsilateral Hawkins Ⅲ talus neck and ankle joint fractres via internal and lateral approaches with Herbert screws were retrospectively analyzed in our department.There were 10 males and 3 female, ranging in age from 20 to 60 years with an average age of 31...
November 8, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27842673/mr-imaging-as-a-problem-solving-tool-in-posterior-ankle-pain-a-review
#8
REVIEW
Gloria N L Wong, Tien Jin Tan
Posterior ankle pain is a cause of chronic pain and disability, afflicting a wide range of individuals. While proper identification of the cause is essential for timely and adequate treatment, identifying the cause and excluding mimickers is often challenging for the physician due to the complex nature of the joint. In addition, pathology that can cause posterior ankle pain may occur on their own or in co-existence. Clinical conditions that can present as posterior ankle pain include: posterior ankle impingement, Achilles tendon pathology, medial flexor tendon pathology, peroneal pathology, retrocalcaneal bursitis, posterior subtalar tarsal coalition, sinus tarsi, and tarsal tunnel syndrome...
December 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27824657/effect-of-footwear-on-joint-pain-and-function-in-older-adults-with-lower-extremity-osteoarthritis
#9
Amy Wagner, Sarah Luna
BACKGROUND AND PURPOSE: Lower extremity osteoarthritis (OA) is a common condition among older adults; given the risks of surgical and pharmaceutical interventions, conservative, lower-cost management options such as footwear warrant further investigation. This systematic review investigated the effects of footwear, including shoe inserts, in reducing lower extremity joint pain and improving gait, mobility, and quality of life in older adults with OA. METHODS: The CINAHL, SPORTDiscus, PubMed, RECAL, and Web of Knowledge databases were searched for publications from January 1990 to September 2014, using the terms "footwear," "shoes," "gait," "pain," and "older adult...
November 7, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27818800/new-technique-for-tibiotalar-arthrodesis-using-a-new-intramedullary-nail-device-a-cadaveric-study
#10
Emmanuel D Eisenstein, Mario Rodriguez, Amr A Abdelgawad
Introduction. Ankle arthrodesis is performed in a variety of methods. We propose a new technique for tibiotalar arthrodesis using a newly designed intramedullary nail. Methods. We proposed development of an intramedullary device for ankle arthrodesis which spared the subtalar joint using a sinus tarsi approach. Standard saw bones models and computer assisted modeling and stress analysis were used to develop different nail design geometries and determine the feasibility of insertion. After the final design was constructed, the device was tested on three cadaveric specimens...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27815335/removal-of-osteoid-osteoma-of-the-calcaneus-using-subtalar-arthroscopy
#11
Andrija Jurina, Damjan Dimnjaković, Tomislav Smoljanović, Ivan Bojanić
: Intra-articular calcaneal osteoid osteoma is a very rare condition and the diagnosis as well as the treatment is extremely challenging. We report a case of a 19-year-old male with intra-articular osteoid osteoma of the calcaneus, initially treated for peroneal tenosynovitis with unsatisfactory results. Thorough diagnostic procedure revealed the superolateral location of a calcaneal osteoid osteoma, near the sinus tarsi. A cherry-red elevated lesion typical of an osteoid osteoma nidus was completely removed arthroscopically using the anterolateral portal and the middle portal for subtalar arthroscopy...
November 4, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27809555/quantitative-analysis-of-subtalar-joint-motion-with-4d-ct-proof-of-concept-with-cadaveric-and-healthy-subject-evaluation
#12
Pedro Augusto Gondim Teixeira, Anne-Sophie Formery, Adrien Jacquot, Guillaume Lux, Isabelle Loiret, Manuela Perez, Alain Blum
OBJECTIVE: The purpose of this study was to show the application of quantitative 4D CT for subtalar joint evaluation in healthy volunteers and cadavers. MATERIALS AND METHODS: Fifteen healthy volunteers with no history of subtalar joint trauma and three cadavers were prospectively evaluated with dynamic CT. The subtalar joint was evaluated during a pronosupination cycle. All acquisitions (cadavers and healthy volunteers) were performed using intermittent sequential mode with a 320-MDCT scanner...
November 3, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27790414/subtalar-joint-instability-and-calcaneal-spurs-associated-with-the-configuration-of-the-articular-facets-of-adult-human-calcaneum-in-indian-population
#13
Shilpi Agarwal, Shilpi Garg, Neelam Vasudeva
INTRODUCTION: Morphological variations of articular facets of calcaneum may predispose people to joint instability, ligamentous laxity and development of arthritic changes in the subtalar joint. Knowledge of such variations is essential for treatment and diagnostic procedures in orthopaedic surgeries. AIM: The aim of this study was to determine patterns of articular facets of calcanei and to establish its correlation with calcaneal spurs. MATERIALS AND METHODS: The study was conducted on 580 adult calcanei of Indian origin at Maulana Azad Medical College and pattern of articular facets were observed and classified according to five patterns described in literature...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27752084/effects-of-five-hindfoot-arthrodeses-on-foot-and-ankle-motion-measurements-in-cadaver-specimens
#14
Kun Zhang, Yanxi Chen, Minfei Qiang, Yini Hao
Single, double, and triple hindfoot arthrodeses are used to correct hindfoot deformities and relieve chronic pain. However, joint fusion may lead to dysfunction in adjacent articular surfaces. We compared range of motion in adjacent joints before and after arthrodesis to determine the effects of each procedure on joint motion. The theory of moment of couple, bending moment and balanced loading was applied to each of 16 fresh cadaver feet to induce dorsiflexion, plantarflexion, internal rotation, external rotation, inversion, and eversion...
October 18, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27744046/kinematic-analysis-of-subtalar-eversion-during-gait-in-women-with-fibromyalgia
#15
Ana Paula Silva, Daniel das Virgens Chagas, Maria Lúcia Cavaliere, Sérgio Pinto, José Silvio de Oliveira Barbosa, Luiz Alberto Batista
OBJECTIVE: To analyse the subtalar eversion range of motion during walking in women with fibromyalgia. METHOD: Twenty women diagnosed with fibromyalgia were directed to walk barefoot at comfortable and self-paced speed on a 7m walkway. Subtalar eversion range of motion was measured using the difference between the maximum and minimum values of subtalar eversion in stance phase. A range of motion between 4°-6° was considered as reference values for subtalar eversion during gait...
August 2016: Foot
https://www.readbyqxmd.com/read/27721087/selective-activation-of-lower-leg-muscles-during-maximum-voluntary-isometric-contractions
#16
Marco Hagen, Gerrit Schwiertz, Karl B Landorf, Hylton B Menz, George S Murley
The pronators and supinators play a key role in the medio-lateral stability of the ankle joint complex (i.e. talo-crural and subtalar joints). We hypothesized that each shank muscle has a specific activation pattern determined by its anatomical course around the axes of the subtalar and talo-crural joints. A secondary objective was to examine the effect of foot posture on these activation patterns. Forty-nine young adults (25 normal-arched feet, 24 flat-arched feet) performed maximum voluntary isometric contractions against manual resistance in four movement directions: plantarflexion (PF), dorsiflexion (DF), pronation (PRO) and supination (SUP)...
December 2016: Human Movement Science
https://www.readbyqxmd.com/read/27672576/lateral-subtalar-dislocation-case-report-and-review-of-the-literature
#17
Ewout S Veltman, Ernst Ja Steller, Philippe Wittich, Jort Keizer
A case of complicated lateral subtalar dislocation is presented and the literature concerning this injury is reviewed. Subtalar joint dislocations are rare and often the result of a high-energy trauma. Complications include avascular necrosis of the talus, infection, posttraumatic osteoarthritis requiring arthrodesis and chronic subtalar instability. Negative prognostic factors include lateral and complicated dislocations, total talar extrusions, and associated fractures. A literature search was performed to identify studies describing outcome after lateral subtalar joint dislocation...
September 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27612414/an-innovative-approach-to-the-repair-of-distal-tibia-nonunion-using-a%C3%A2-retrograde-buried-tibio-talar-calcaneal-nail-a-case-report
#18
Peter Van Steyn, Michael Romash
We report a case using retrograde tibial nailing as treatment of nonunion of a distal tibial osteotomy, which was performed as part of a complex reconstruction of distal tibial malunion with ankle arthritis. Although retrograde nailing has classically been used for tibial-talar-calcaneal arthrodesis, this method spares the subtalar joint. Preservation of some hindfoot motion by subtalar mobility allows for a decrease in the loss of function typically seen with tibial-talar-calcaneal arthrodesis.
September 6, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27605689/trends-in-complication-rates-following-ankle-arthrodesis-and-total-ankle-replacement
#19
Alexandra I Stavrakis, Nelson F SooHoo
BACKGROUND: This study provides an updated comparison of the reoperation rates following primary ankle arthrodesis and total ankle replacement on the basis of observational, population-based data from California. We previously reported data from 1995 to 2004, and our current study includes new data from 2005 to 2010. Our hypothesis was that total ankle replacement would demonstrate increasing utilization and lower complication rates given advances in implant design and growth in surgeon experience...
September 7, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27600487/pedobarographic-and-radiological-analysis-after-treating-a-talus-neck-fracture
#20
Tuğba Kuru Çolak, İlker Çolak, Eren Timurtaş, Güven Bulut, M Gülden Polat
Misalignment of the talar neck after surgical repair can redistribute the load among the posterior, middle, and anterior facets of the subtalar joints, which can change the joint biomechanics, cause arthritis, and impair function. However, we found no studies analyzing the plantar pressures after treatment of talus neck fracture. We determined the dynamic plantar pedobarographic and radiographic characteristics and ankle range of motion, function, and pain among patients after surgical repair of talar neck fractures...
September 2, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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