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Subtalar joint

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https://www.readbyqxmd.com/read/28442207/tibio-talo-calcaneal-fusion-after-limb-salvage-procedures-a-retrospective-study
#1
Lukas Zak, Gerald E Wozasek
BACKGROUND: The treatment of limb threatening trauma on the distal tibia or hindfoot often results in posttraumatic osteoarthritis requiring tibiotalocalcaneal (TTC) arthrodesis. The purpose of this study was to present a case series of patients undergoing various techniques of joint fusion after bone reconstruction and deformity correction as a salvage procedure. The study should help trauma surgeons making decisions in limb salvage and deformity correction in complex lower leg and foot injuries by presenting options and treatment strategies...
April 15, 2017: Injury
https://www.readbyqxmd.com/read/28424853/long-term-results-of-ankle-arthrodesis-in-children-and-adolescents-with-haemophilia
#2
Nicolas de l'Escalopier, Alina Badina, Jean Paul Padovani, Annie Harroche, Laurent Frenzel, Philippe Wicart, Christophe Glorion, Chantal Rothschild
INTRODUCTION: Ankle arthrodesis in patients with haemophilia is a joint-non-preserving treatment option often resulting in substantial pain relief and termination of haemarthrosis by osseous consolidating of the joint. However, limited data are available regarding ankle arthrodesis in young patients. AIM: The aim of this study was to evaluate the long-term clinical and radiographic results with a minimum follow-up of ten years in children with haemophilia who underwent ankle arthrodesis...
April 20, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28405725/the-posterolateral-approach-for-fluoroscopy-guided-tibiotalar-joint-injection
#3
Vanja Varenika, Jacob Harter, Edwin Chu, Lynne Steinbach
OBJECTIVE: To report a novel technique for tibiotalar joint injection that utilizes a posterolateral approach, including indications and technical considerations. METHODS: The posterolateral approach for tibiotalar injection is similar to that used in posterior subtalar joint injections. Using this technique, the tibiotalar joint space is accessed by directing the needle anterosuperiorly beneath the fibula until the posterior aspect of the talar dome has been reached...
April 12, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28378052/three-dimensional-morphometric-analysis-of-the-talus-implication-for-variations-in-kinematics-of-the-subtalar-joint
#4
Shuhei Nozaki, Kota Watanabe, Masaki Katayose
PURPOSE: Three-dimensional (3D) movement of the clinical subtalar joint (CSTJ) is primarily determined by the morphology of the articular surfaces of the talus. The purposes of this study were to assess the 3D orientation of the CSTJ facets of the talus and the talar head and to determine the tri-axial angular relationship. METHODS: Fifty dry tali were scanned using computed tomography to create a 3D bone model of the talus. The tri-axial angles of the anterior, middle, and posterior facets and the talar head were calculated...
April 4, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28375890/ratio-of-range-of-motion-of-the-ankle-and-surrounding-joints-after-total-ankle-replacement-a-radiographic-cohort-study
#5
Travis J Dekker, Kamran S Hamid, Mark E Easley, James K DeOrio, James A Nunley, Samuel B Adams
BACKGROUND: This study attempted to identify where motion occurs after total ankle replacement, the difference in range-of-motion contributions between fixed-bearing and mobile-bearing total ankle replacements, and the contribution of abnormal peritalar motion. We hypothesized that sagittal plane radiographic assessment would demonstrate that actual ankle motion through the prosthesis is less than the total arc of ankle motion that may be observed clinically secondary to contributions from adjacent joints...
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28371495/safe-zone-of-posterior-screw-insertion-for-talar-neck-fractures-on-3-dimensional-reconstruction-model
#6
Jian-Qun Wu, Sheng-Hui Ma, Song Liu, Cheng-He Qin, Dan Jin, Bin Yu
OBJECTIVE: To investigate the optimal posterior screw placement and the geometry of safe zones for screw insertion in the talar neck. METHODS: Computed tomography data for 15 normal feet were imported into Mimics 10.01 software for 3-dimensional reconstruction; 4.0-mm-diameter screws were simulated from the lateral tubercle of the posterior process of the talus to the talar head. The range of screw paths trajectories and screw lengths at nine locations that did not breach the cortex of the talus were evaluated...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28351736/musculoskeletal-modelling-of-human-ankle-complex-estimation-of-ankle-joint-moments
#7
Prashant K Jamwal, Shahid Hussain, Yun Ho Tsoi, Mergen H Ghayesh, Sheng Quan Xie
BACKGROUND: A musculoskeletal model for the ankle complex is vital in order to enhance the understanding of neuro-mechanical control of ankle motions, diagnose ankle disorders and assess subsequent treatments. Motions at the human ankle and foot, however, are complex due to simultaneous movements at the two joints namely, the ankle joint and the subtalar joint. The musculoskeletal elements at the ankle complex, such as ligaments, muscles and tendons, have intricate arrangements and exhibit transient and nonlinear behaviour...
March 23, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28306191/biomechanical-markers-and-theoretical-concepts-related-to-haemophilic-ankle-and-subtalar-joint-arthropathy-introducing-the-term-haemophilic-tarsal-pan-arthropathy
#8
REVIEW
S Lobet, A McCarthy, C Hermans, K Peerlinck, G A Matricali, F Staes, K Deschamps
BACKGROUND: Although regular factor replacement can reduce the incidence of joint bleeds and slow down the development of haemophilic arthropathy, the ankle joint remains particularly vulnerable even in children with haemophilia on primary or secondary prophylaxis and is now the primary joint affected. The heterogeneity in the pathoaetiology of haemophilic ankle arthropathy means that the functional consequences of early stage of ankle arthropathy are difficult to define as early morphological and structural changes can be observed in clinically asymptomatic ankles...
March 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28294565/ankle-pathologies-in-patients-with-inflammatory-rheumatic-diseases-a-clinical-and-ultrasonographic-study
#9
Halil Harman, İbrahim Tekeoğlu
AIM: We determined ankle pathologies in patients with different types of inflammatory rheumatic diseases using high-resolution ultrasonographic (US) images, and compared the findings among the different patient groups. METHODS: The study included 142 randomly selected inflammatory rheumatic disease patients with clinically swollen or painful ankle joints; 69 patients had rheumatoid arthritis (RA), 58 had spondyloarthropathies (SpA) and 15 had gout. Ankle assessment on US included all of the important anatomical structures...
March 12, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28257675/equinus-and-lengthening-techniques
#10
REVIEW
Patrick A DeHeer
Equinus is linked to most lower extremity biomechanically related disorders. Defining equinus as ankle joint dorsiflexion less than 5° of dorsiflexion with the knee extended is the basis for evaluation and management of the deformity. Consistent evaluation methodology using a goniometer with the subtalar joint in neutral position and midtarsal joint supinated while dorsiflexing the ankle with knee extended provides a consistent clinical examination. For equinus deformity with an associated disorder, comprehensive treatment mandates treatment of the equinus deformity...
April 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28244886/solitary-osteochondroma-of-the-sinus-tarsi
#11
Antonio Andreacchio, Lorenza Marengo, Federico Canavese
Tumors are a rare cause of ankle-region pain. Osteochondroma is one of the most common benign bone tumors, but is rarely localized to the foot bones. Here, we describe a case of a solitary osteochondroma of the sinus tarsi presenting in an 8-year-old boy with a history of recurrent ankle sprains and limited range-of-motion of the subtalar joint. Treatment was surgical excision of the tumor, and the patient is now symptom free. Clinical presentation, treatment, pathoanatomy, localization, and complication of this benign form of tumor are discussed and all previously reported cases are reviewed to provide a more comprehensive picture of osteochondroma of talus...
February 27, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28241725/-minimally-invasive-tarsal-sinus-incision-combined-with-manipulative-reduction-and-internal-fixation-for-calcaneal-fractures-of-sanders-type%C3%A2-and-%C3%A2
#12
M Chen, K Deng, W H Zeng, J J Zeng, Q S Zhong, Z M Han
Objective: To evaluate the method and curative effect of plate fixation or percutaneous screws for the treatment of calcaneal fractures of Sanders type Ⅱ and Ⅲ via a minimally invasive sinus tarsi incision combined with a variety of manipulative reduction methods. Methods: Twenty-one patients with closed calcaneal fractures treated in the Department of Orthopedics, the First Affiliated Hospital of Nanchang University from January 2014 to January 2016 were collected. There were 15 men and 6 women, with an average age of 39...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28193142/subtalar-arthroscopy-and-fluoroscopy-in-percutaneous-fixation-of-intra-articular-calcaneal-fractures
#13
Gin Way Law, Nicholas Eng Meng Yeo, William Yeo, Kevin Koo, Keen Wai Chong
INTRODUCTION: Percutaneous fixation of intra-articular calcaneal fractures is traditionally assisted only by intraoperative fluoroscopy. Previous studies have demonstrated that the additional use of subtalar arthroscopy in anatomical reduction of the posterior calcaneal facet of the subtalar joint for less complex calcaneal fractures yielded positive results up to 2-year follow-up. This study aims to investigate long-term outcomes of these patients using similar evaluation parameters...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28183211/3d-optical-investigation-of-2-nail-systems-used-in-tibiotalocalcaneal-arthrodesis
#14
Julia Evers, Martin Lakemeier, Dirk Wähnert, Martin Schulze, Martinus Richter, Michael J Raschke, Sabine Ochman
BACKGROUND: Although retrograde intramedullary nails for tibiotalocalcaneal arthrodesis (TTCA) are an established fixation method, few studies have evaluated the stability of the available nail systems. The purpose of this study was to compare biomechanically the primary stability of 2 nail-systems, A3 (Small Bone Innovations) and HAN (Synthes), in human cadavers and analyze the exact point of instability in TTCA by means of optical measurement. METHODS: In 6 pairs of lower legs (n = 12) of fresh-frozen human cadavers with osteoporotic bone structure, bone mineral density (BMD) was determined...
February 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28182859/radiographic-study-of-pes-planovarus
#15
Janic Aebi, Monika Horisberger, Arno Frigg
BACKGROUND: Depending on the direction of the subtalar joint, a foot deformity generally tends towards pronation (pes planovalgus) or supination (pes cavovarus). However, the combination of hindfoot varus and flat midfoot/forefoot (pes planovarus) is an exception to this rule. Pes planovarus has so far only been referred to in connection with Müller-Weiss disease and congenital disease. We diagnosed pes planovarus in otherwise healthy patients without these diseases. METHODS: Forty patients with 54 symptomatic feet who were treated between August 2012 and July 2016 were included (mean age, 44...
February 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28167062/treatment-of-peripheral-talus-fractures
#16
REVIEW
John R Shank, Stephen K Benirschke, Michael P Swords
Peripheral talus fractures include injuries to the lateral process, posteromedial talar body, and talar head. These injuries are rare and are often missed. Nonunion with conservative treatment is high and excision can lead to joint instability, rapid arthrosis, and earlier need for arthrodesis. Open reduction internal fixation of most peripheral talus fractures is critical to achieving a good outcome. Open reduction leads to more rapid union and ability to mobilize the ankle and subtalar joints, quicker revascularization of the talus, and lower rates of arthrosis...
March 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28162781/intra-articular-corticosteroids-versus-intra-articular-corticosteroids-plus-methotrexate-in-oligoarticular-juvenile-idiopathic-arthritis-a-multicentre-prospective-randomised-open-label-trial
#17
Angelo Ravelli, Sergio Davì, Giulia Bracciolini, Angela Pistorio, Alessandro Consolaro, Evert Hendrik Pieter van Dijkhuizen, Bianca Lattanzi, Giovanni Filocamo, Sara Verazza, Valeria Gerloni, Maurizio Gattinara, Irene Pontikaki, Antonella Insalaco, Fabrizio De Benedetti, Adele Civino, Giuseppe Presta, Luciana Breda, Valentina Marzetti, Serena Pastore, Silvia Magni-Manzoni, Maria Cristina Maggio, Franco Garofalo, Donato Rigante, Marco Gattorno, Clara Malattia, Paolo Picco, Stefania Viola, Stefano Lanni, Nicolino Ruperto, Alberto Martini
BACKGROUND: Little evidence-based information is available to guide the treatment of oligoarticular juvenile idiopathic arthritis. We aimed to investigate whether oral methotrexate increases the efficacy of intra-articular corticosteroid therapy. METHODS: We did this prospective, open-label, randomised trial at ten hospitals in Italy. Using a concealed computer-generated list, children younger than 18 years with oligoarticular-onset disease were randomly assigned (1:1) to intra-articular corticosteroids alone or in combination with oral methotrexate (15 mg/m(2); maximum 20 mg)...
March 4, 2017: Lancet
https://www.readbyqxmd.com/read/28149741/arthroscopic-release-of-lateral-half-of-the-talocalcaneonavicular-joint
#18
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/28149721/endoscopic-removal-of-loose-bodies-of-the-posterior-ankle-extra-articular-space-arising-from-flexor-hallucis-longus-tenosynovial-osteochondromatosis
#19
Tun Hing Lui
Loose bodies of the posterior ankle can occur either at the posterior recess of the ankle or subtalar joint or at the posterior ankle extra-articular space. Loose bodies at the extra-articular space can be a result of tenosynovial chondromatosis of the tendons of the posterior ankle, especially the flexor hallucis longus tendon. Endoscopic removal of loose bodies of the posterior ankle extra-articular space is indicated for symptomatic cases that are not improved by conservative treatment. It is contraindicated if there is active infection at the planned portal sites or the surgeon is not familiar with the technique of posterior ankle endoscopy...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28110796/effectiveness-of-hindfoot-arthrodesis-by-stable-internal-fixation-in-various-eichenholtz-stages-of-neuropathic-ankle-arthropathy
#20
Silvampatty R Sundararajan, Kanchana P Srikanth, Handenahally S Nagaraja, Shanmuganathan Rajasekaran
The optimal time to treat neuropathic (Charcot) arthropathy of the ankle and peritalar joint is controversial because of the various treatment options available and the variable results reported in published studies. We sought to determine the outcome of hind foot arthrodesis with stable internal fixation in patients with different Eichenholtz stages of arthropathy. We prospectively studied patients with substantial disabilities caused by neuropathic arthropathy in deformed, unstable ankle and peritalar joints, with or without ulcerations, who had undergone treatment from July 2007 to December 2012...
March 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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