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Subtalar joint

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https://www.readbyqxmd.com/read/29154697/rate-of-subtalar-joint-arthrodesis-after-retrograde-tibiotalocalcaneal-arthrodesis-with-intramedullary-nail-fixation-evaluation-of-the-rain-database
#1
Michael Dujela, Christopher F Hyer, Gregory C Berlet
BACKGROUND: Hindfoot arthritis or significant deformity involving the ankle and subtalar joint (STJ) is a disabling condition with few salvage options. Many surgeons note a decreased STJ fusion rate compared with ankle union when a retrograde nail construct is used. The purpose of this study was to report the STJ fusion rate of tibiotalocalcaneal (TTC) arthrodesis with retrograde nail. METHODS: A chart and radiographic review was performed. TTC fusions performed in patients with osteoarthritis, posttraumatic arthritis, or deformity correction with retrograde nail fixation were included...
November 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29129314/tibiotalocalcaneal-arthrodesis-with-the-hindfoot-arthrodesis-nail-a%C3%A2-prospective-consecutive-series-from-a-single-institution
#2
Bing Howe Lee, Christopher Fang, Remesh Kunnasegaran, Gowreeson Thevendran
Tibiotalocalcaneal arthrodesis (TTCA) is a salvage procedure. We report a series of 20 patients who underwent TTCA using an intramedullary nail. Of the 20 patients, 7 (35%) had diabetes mellitus. The patient experiences and outcomes were analyzed. Their mean age was 61.1 (range 39 to 78) years. The minimum follow-up period was 13 (mean 28, range 13 to 49) months. Surgical indications included diabetic Charcot arthropathy in 7 (35%), hindfoot osteoarthritis in 10 (50%), and severe equinovarus deformity in 3 (15%)...
November 9, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29126545/mri-ankle-and-subtalar-characteristics-in-haemochromatosis-arthropathy-a-case-control%C3%A2-study
#3
A Elstob, V Ejindu, C W Heron, P D W Kiely
AIM: To examine the magnetic resonance imaging (MRI) features of the ankle and subtalar joints that might distinguish genetic haemochromatosis (GH). MATERIALS AND METHODS: The present study was a retrospective case-control study comparing 30 MRI studies of GH patients with ankle or subtalar arthropathy with 30 matched controls with ankle pain. Anonymised images were scored using a semi-quantative tool adapted from the MRI osteoarthritis knee score. Scores were generated for bone marrow lesions size, number, and distinguishing the proportion of each lesion consisting of subchondral cyst versus oedema...
November 7, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29122317/sonographic-and-anatomic-description-of-the-subtalar-joint
#4
Peter Mandl, David Bong, Peter V Balint, Hilde Berner Hammer, Maribel Miguel, Esperanza Naredo, Lene Terslev, Ingrid Möller
Our study provides a detailed anatomic and sonographic description of the subtalar joint, a single joint that, anatomically, is divided into the anterior subtalar joint (ASTJ) and the posterior subtalar joint (PSTJ). Cadaver specimens of the ankle and foot were examined in detail by ultrasound (US), and the subtalar joints of all the specimens were injected with colored latex of a contrasting color under US guidance. Compatible with other studies, examination of the sections revealed lack of communication between the ASTJ and the PSTJ and communication between the PSTJ and the posterior recess of the tibiotalar joint...
November 6, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29108116/arthritis-in-melorheostosis-an-uncommon-feature-in-a-rare-disease
#5
Enrico Selvi, Marco Bardelli, Giacomo Maria Guidelli
A 53-year-old male developed left knee and left ankle arthritis associated with marked induration of the skin and soft tissues distal to the knees. The left knee was swollen, tender, and with a non-reducible contracture and similarly the left ankle and the subtalar joint were stiff and moderately swollen. In addition, diffuse, bluish, small vascular ectasia, hypertrichosis and skin pigmentation of the affected sites were evident (fig1). These symptoms began 20 years before and the patient had been diagnosed with eosinophilic fasciitis and treated with daily prednisone leading to partial improvement of the symptoms, but not of the knee deformity and soft tissue induration...
November 6, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29082779/role-of-extra-articular-tibiotalocalcaneal-arthrodesis-and-posterior-approach-in-highly-complex-cases
#6
Sergio Eckholt, Ruben Garcia-Elvira, Nicolás Fontecilla, Alvaro Fernandez-Reinales, Daniel Poggio
BACKGROUND: Tibiotalocalcaneal (TTC) arthrodesis is a procedure commonly used as salvage surgery for various pathologic processes that compromise the ankle and subtalar joints. It is a reasonably standardized procedure when performed as a primary surgery in advanced stages of TTC arthritis. For such cases, there are several alternative approaches, fixation materials, and bone substitutes that can be used. Most represent valid options with similar results in the literature. However, in highly complex cases requiring TTC arthrodesis, the options for the approach and fixation material can be limited...
October 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29081861/role-of-surgery-in-management-of-osteo-articular-tuberculosis-of-the-foot-and-ankle
#7
REVIEW
Mandeep Singh Dhillon, Vikas Agashe, Sampat Dumbre Patil
BACKGROUND: Tuberculosis of the foot and ankle still remains to be a significant problem, especially in the developing countries, and with an increase in incidence in immunosuppressed patients. Treatment is mainly medical using multidrug chemotherapy; surgical interventions range from biopsy, synovectomy and debridement, to joint preserving procedures like distraction in early cases, and arthrodesis of hindfoot joints and the ankle in advanced disease with joint destruction. Surgical Options: All procedures should be done after initiating appropriate medical management...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29081701/role-of-bone-grafts-and-bone-graft-substitutes-in-isolated-subtalar-joint-arthrodesis
#8
Ashish Shah, Sameer Naranje, Ibukunoluwa Araoye, Osama Elattar, Alexandre Leme Godoy-Santos, Cesar DE Cesar
OBJECTIVES: The purpose of this study was to compare union rates for isolated subtalar arthrodesis with and without the use of bone grafts or bone graft substitutes. METHODS: We retrospectively reviewed 135 subtalar fusions with a mean follow-up of 18 ± 14 months. The standard approach was used for all surgeries. Graft materials included b-tricalcium phosphate, demineralized bone matrix, iliac crest autograft and allograft, and allograft cancellous chips. Successful subtalar fusion was determined clinically and radiographically...
September 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/29052742/-triple-arthrodesis-for-correction-of-cavovarus-deformity
#9
REVIEW
A Barg, R Ruiz, B Hintermann
OBJECTIVE: The aim is to correct the underlying cavovarus deformity and to achieve a pain-free and stable hindfoot. INDICATIONS: Rigid neurologic, posttraumatic, congenital, and idiopathic cavovarus deformities. CONTRAINDICATIONS: General surgical or anesthesiological risks, infections, critical soft tissue conditions, neurovascular impairment of the lower extremity, noncompliance, patients with severely reduced bone quality, insulin-dependent diabetes mellitus, smoking...
October 20, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28986678/fluid-distribution-in-ankle-and-midfoot-joints-mr-findings-in-asymptomatic-volunteers
#10
Veerle De Grove, Inneke Willekens, Leon Lenchik, Maryam Shahabpour, Johan de Mey, Michel De Maeseneer
PURPOSE: The purpose of this study is to assess the amount of fluid in the joints of the ankle and midfoot on MR imaging in asymptomatic volunteers. MATERIALS AND METHODS: Twenty-one healthy asymptomatic volunteers (42 ankles) were evaluated with MRI imaging. There were 13 men and 8 women. The mean age was 24.7 years (19-42 years). MR imaging was performed on a 3T MR system using proton density weighted images with fat saturation (TR 2969, TE 30 ms, NA 2, slice thickness 2...
October 6, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28954327/-focus-on-the-diagnosis-and-treatment-of-subtalar-joint-instability
#11
K L Tang, J C Gong
No abstract text is available yet for this article.
September 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28952799/biomechanical-consequences-of-subtalar-joint-arthroereisis-in-treating-posterior-tibial-tendon-dysfunction-a-theoretical-analysis-using-finite-element-analysis
#12
Duo Wai-Chi Wong, Yan Wang, Tony Lin-Wei Chen, Aaron Kam-Lun Leung, Ming Zhang
Subtalar joint arthroereisis (SJA) has been introduced to control the hyperpronation in cases of flatfoot. The objective of this study is to evaluate the biomechanical consequence of SJA to restore the internal stress and load transfer to the intact state from the attenuated biomechanical condition induced by posterior tibial tendon dysfunction (PTTD). A three-dimensional finite element model of the foot and ankle complex was constructed based on clinical images of a healthy female (age 28 years, height 165 cm, body mass 54 kg)...
September 27, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28952355/comparison-of-posterior-approach-with-intramedullary-nailing-versus-lateral-transfibular-approach-with-fixed-angle-plating-for-tibiotalocalcaneal-arthrodesis
#13
Ryan P Mulligan, Samuel B Adams, Mark E Easley, James K DeOrio, James A Nunley
BACKGROUND: A variety of operative approaches and fixation techniques have been described for tibiotalocalcaneal (TTC) arthrodesis. The intramedullary (IM) nail and lateral, fixed-angle plating are commonly used because of ease of use and favorable biomechanical properties. A lateral, transfibular (LTF) approach allows for direct access to the tibiotalar and subtalar joints, but the posterior, Achilles tendon-splitting (PATS) approach offers a robust soft tissue envelope. The purpose of this study was to compare the results of TTC arthrodesis with either a PATS approach with IM nailing or LTF approach with fixed-angle plating...
September 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28941635/deficits-in-subtalar-pronation-and-supination-proprioception-in-subjects-with-chronic-ankle-instability
#14
Marco Hagen, Martin Lemke, Matthias Lahner
Deficits in joint position sense (JPS) and force sense (FS) are two functional insufficiencies contributing to chronic ankle instability (CAI). To date, JPS and FS have been only investigated in the sagittal and transverse movement planes but not in the functional movement plane of the pronators and supinators defined by the axis of the subtalar joint (STJ). The purpose of this study was to investigate subtalar JPS as well as pronator and supinator FS in supinated and pronated joint angle in subjects with CAI...
September 20, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28932921/primary-synovial-chondromatosis-of-the-subtalar-joint-case-report-and-review-of-the-literature
#15
J Derek Stensby, Michael G Fox, Michael S Kwon, Francisco J Caycedo, Asal Rahimi
Primary synovial chondromatosis is a rare benign condition of uncertain etiology manifested by synovial proliferation. In the radiology literature, there is only 1 prior case report of primary synovial chondromatosis involving the subtalar joint with only partial description of the imaging appearance. We present a 28-year-old female with primary synovial chondromatosis of the subtalar joint and conduct a literature review of the imaging features of primary synovial chondromatosis presenting in the feet.
September 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28888405/anatomic-locking-plate-for-displaced-intraarticular-calcaneal-fracture-design-and-application
#16
Chia-Hung Chu, Yan-Yu Chen, Kang-Ping Lin, Wen-Chuan Chen, Pei-Yuan Lee
Calcaneal fracture can lead to long-term disability and have a considerable economic effect. Most calcaneal fractures are intraarticular fractures involving the posterior facet of the subtalar joint. Treating displaced intraarticular calcaneal fractures is complicated because of the lack of an optimal treatment option. Internal fixation typically involves screw-and-plate implants, which can be unfavorable owing to the lack of an anatomic design and the intraoperative bending required for the plate to contour to the irregular surface of the calcaneus...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28880592/synovial-lipoma-of-the-subtalar-joint
#17
Jeffrey M Whitaker, Sarah Richards, Michael J LeCastre, Thomas G Hooke
Lipomas are benign adipose masses that are rarely associated with synovial membranes. In addition, there are only a few reports describing synovial lipomas in the foot. No reported occurrence of this lesion in the subtalar joint currently exists. This case report documents the presentation, clinical evaluation, advanced imaging, and surgical management of a 45-year-old man with a large synovial lipoma of the subtalar joint.
July 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28836449/adjacent-joint-kinematics-after-ankle-arthrodesis-during-cadaveric-gait-simulation
#18
Daniel R Sturnick, Constantine A Demetracopoulos, Scott J Ellis, Robin M Queen, Jayme C B Kolstov, Jonathan T Deland, Josh R Baxter
BACKGROUND: Arthrodesis is an effective and reliable treatment for end-stage ankle arthritis; however, many patients develop ipsilateral adjacent joint arthritis following surgery. The mechanism that drives adjacent joint arthritis remains uncertain. Cadaveric simulation permits direct investigation of the effects of both arthrodesis and movement strategy on adjacent joints during simulated walking. The objective of this study was to identify the isolated effect of ankle arthrodesis on adjacent joint kinematics during simulated walking...
November 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28828179/the-subtalar-joint-a-complex-mechanism
#19
Nicola Krähenbühl, Tamara Horn-Lang, Beat Hintermann, Markus Knupp
Subtalar joint anatomy is complex and can vary significantly between individuals.Movement is affected by several adjacent joints, ligaments and periarticular tendons.The subtalar joint has gained interest from foot and ankle surgeons in recent years, but its importance in hindfoot disorders is still under debate.The purpose of this article is to give a general overview of the anatomy, biomechanics and radiographic assessment of the subtalar joint.The influence of the subtalar joint on the evolution of ankle joint osteoarthritis is additionally discussed...
July 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28826786/surgical-treatment-of-chronic-lateral-ankle-instability-using-an-inferior-extensor-retinaculum-flap-a-retrospective-study
#20
Faycal Trichine, Toufik Friha, Azzedine Boukabou, Lamine Belaid, Terek Bouzidi, Mahdjoub Bouzitouna
Chronic lateral ankle instability causes significant problems with physical activity. The purpose of the present study was to evaluate the results of ligamentous retensioning combined with reinforcement using an extensor retinaculum flap. A consecutive series of 38 patients were included with a minimum follow-up duration of 2 years. The functional results were assessed using the Karlsson and American Orthopaedic Foot and Ankle Society scale scores. The pre- and postoperative radiologic assessment was performed using stress radiographs to measure varus tilt and anterior drawer tests...
August 17, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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