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https://www.readbyqxmd.com/read/28324912/gouty-tophus-as-an-unusual-cause-of-talus-fracture
#1
Steven Thomson, Stefan Urbanski, Paul MacMullan
No abstract text is available yet for this article.
March 21, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28293302/3-d-computer-modelling-of-malunited-posterior-malleolar-fractures-effect-of-fragment-size-and-offset-on-ankle-stability-contact-pressure-and-pattern
#2
Teresa Alonso-Rasgado, David Jimenez-Cruz, Michael Karski
BACKGROUND: The positioning of the fracture fragment of a posterior malleolus fracture is critical to healing and a successful outcome as malunion of a posterior malleolar fracture, a condition seen in clinical practice, can affect the dynamics of the ankle joint, cause posterolateral rotational subluxation of the talus and ultimately lead to destruction of the joint. Current consensus is to employ anatomic reduction with internal fixation when the fragment size is larger than 25 to 33% of the tibial plafond...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28290308/osteochondral-lesions-and-partial-fractures-of-the-talus-in-paleopathology
#3
REVIEW
Yves Darton, Véronique Gallien, Élise Henrion, Mathias Dupuis, Isabelle Richard
No abstract text is available yet for this article.
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28290307/a-probable-case-of-legg-calv%C3%A3-perthes-disease-in-warring-states-era-china
#4
Elizabeth Berger, Liang Chen, Zhouyong Sun, Zhanwei Sun
Reports of Legg-Calvé-Perthes disease (LCPD) in the paleopathological literature are rare. Here, the authors present a probable case of LCPD, which presents as abnormal morphology of the proximal femur. The condition was observed in an individual of the Warring States period in Shaanxi Province, China, and the morphology involves a "mushroom head" deformity of the proximal right femur and an enlarged acetabulum, along with a contralateral tibia, talus, and navicular that are enlarged and demonstrate periosteal new bone formation...
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28283185/a-simple-but-reliable-method-for-measuring-3d-achilles-tendon-moment-arm-geometry-from-a-single-static-magnetic-resonance-scan
#5
C F Alexander, I Lum, S Reid, E Clarke, K Stannage, A El-Sallam Abd, R D Herbert, C J Donnelly
Current methods for measuring in vivo 3D muscle-tendon moment arms generally rely on the acquisition of magnetic resonance imaging (MRI) scans at multiple joint angles. However, for patients with musculoskeletal pathologies such as fixed contractures, moving a joint through its full range of motion is not always feasible. The purpose of this research was to develop a simple, but reliable in vivo 3D Achilles tendon moment arm (ATMA) technique from a single static MRI scan. To accomplish this, for nine healthy adults (5 males, 4 females), the geometry of a cylinder was fit to the 3D form of the talus dome, which was used to estimate the talocrural flexion/extension axis, and a fifth-order polynomial fit to the line of action of the Achilles tendon...
February 17, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28282544/osteobastoma-of-the-talus-a-case-report-and-review-of-the-literature
#6
Hassan Elsayed, Ananya Puttaraju, Gillian Cribb, Paul Cool, Hytham Afifi, Omer Abdalla
Osteoblastoma is benign bone forming tumour with rare malignant transformation. The common locations include spine, proximal humerus and hip. It rarely affects the talus. A case of osteoblastoma of the talus in a 33-years old healthy male who presented to the foot and ankle clinic in October 2015 complaining of pain of the right ankle for 12 months following football injury is discussed.
January 17, 2017: Foot
https://www.readbyqxmd.com/read/28276056/second-family-provides-further-evidence-for-causation-of-steel-syndrome-by-biallelic-mutations-in-col27a1
#7
Shalini Kotabagi, Hitesh Shah, Anju Shukla, Katta M Girisha
Steel syndrome is a rare disorder of the skeleton characterized by facial dysmorphism, short stature, carpal coalition, dislocated radial heads, bilateral hip dislocation and vertical talus. Homozygous variants in COL27A1 was reported in an extending family from Puerto Rico. Here, we report a five years-old girl from a non-consanguineous family with facial dysmorphism, short stature, carpal coalition, dislocation of radial heads, bilateral hip dislocation, scoliosis and vertical talus. Exome sequencing identified two novel compound heterozygous variants c...
March 9, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28271943/the-effects-of-talus-control-foot-orthoses-in-children-with-flexible-flatfoot
#8
So Young Ahn, Soo Kyung Bok, Bong Ok Kim, In Sik Park
BACKGROUND: A talus control foot orthosis (TCFO) combines an inverted rigid foot orthosis (RFO) with a broad upright portion that rises well above the navicular to cover and protect the talonavicular joint. We sought to identify the therapeutic effect of TCFOs in children with flexible flatfoot. METHODS: Flexible flatfoot was diagnosed in 40 children when either of the feet had greater than 4° valgus of resting calcaneal stance position (RCSP) angle and one of the radiographic indicators was greater than 30° in anteroposterior talocalcaneal angles, 45° in lateral talocalcaneal angles, and 4° in lateral talometatarsal angles and less than 10° of calcaneal pitch in barefoot radiographs...
January 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28270861/computed-tomography-derived-bone-density-measurement-in-the-diabetic-foot
#9
Alex Barwick, John Tessier, James Mirow, Xanne Janse de Jonge, Vivienne Chuter
BACKGROUND: The accurate and reliable measurement of foot bone density is challenging and there is currently no gold standard technique. Such measurement is particularly valuable in populations at risk of foot bone pathology such as in those with long term diabetes. With research and development, computed tomography may prove to be a useful tool for this assessment. The aim of this study was to establish the reliability of a novel method of foot bone density measurement in people with diabetes using computed tomography...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28267910/-surgical-management-of-spinal-deformity-in-a-patient-with-escobar-syndrome-review-of-the-literature
#10
M C Hernández-Hernández, J A Canales-Nájera, J S De La Cruz-Álvarez, M E Tena-Zanabria, J Matus-Jiménez
BACKGROUND: The non-lethal variant of the Escobar or multiple pterygium syndrome is an entity of autosomal recessive inheritance linked to the X chromosome; it is characterized by multiple pterygia (hence its name) located mainly in the neck (95%) and armpits (55%), as well as other orthopedic malformations such as a vertical talus, congenital hip dislocation, and congenital scoliosis. OBJECTIVE: To present an optional surgical technique for the management of severe spinal deformities...
July 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28261461/variation-in-subsurface-thermal-characteristics-of-microrefuges-used-by-range-core-and-peripheral-populations-of-the-american-pika-ochotona-princeps
#11
Thomas J Rodhouse, Matthew Hovland, Mackenzie R Jeffress
Microrefuges provide microclimates decoupled from inhospitable regional climate regimes that enable range-peripheral populations to persist and are important to cold-adapted species in an era of accelerated climate change. However, identifying and describing the thermal characteristics of microrefuge habitats is challenging, particularly for mobile organisms in cryptic, patchy habitats. We examined variation in subsurface thermal conditions of microrefuge habitats among different rock substrate types used by the American pika (Ochotona princeps), a climate-sensitive, rock-dwelling Lagomorph...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28259751/cadaver-study-of-anatomic-landmark-identification-for-placing-ankle-arthroscopy-portals
#12
Benjamin Scheibling, Guillaume Koch, Philippe Clavert
BACKGROUND: Arthroscopy-assisted surgery is now widely used at the ankle for osteochondral lesions of the talus, anterior and posterior impingement syndromes, talocrural or subtalar fusion, foreign body removal, and ankle instability. Injuries to the vessels and nerves may occur during these procedures. OBJECTIVE: To determine whether ultrasound topographic identification of vulnerable structures decreased the risk of iatrogenic injuries to vessels, nerves, and tendons and influenced the distance separating vulnerable structures from the arthroscope introduced through four different portals...
March 1, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28244886/solitary-osteochondroma-of-the-sinus-tarsi
#13
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/28242222/topographic-and-geomorphologic-controls-on-the-distribution-of-vegetation-formations-in-elephant-point-livingston-island-maritime-antarctica
#14
Jesús Ruiz-Fernández, Marc Oliva, Cristina García-Hernández
This article focuses on the spatial distribution of vegetation formations in Elephant Point, an ice-free area of 1.16km(2) located in Livingston Island (South Shetland Islands, Antarctica). Fieldwork carried out in January 2014 consisted of floristic surveys and designation of a vegetation map. We have examined these data in a GIS environment together with topographical and geomorphological features existing in the peninsula in order to infer the factors controlling vegetation distribution. This has allowed quantifying the total area covered by the four different vegetation formations distributed across the peninsula, proliferating mainly on bedrock plateaus and Holocene raised beaches...
February 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28236079/the-2017-abjs-nicolas-andry-award-advancing-personalized-medicine-for-clubfoot-through-translational-research
#15
Matthew B Dobbs, Christina A Gurnett
BACKGROUND: Clubfoot is one of the most common pediatric orthopaedic disorders. While the Ponseti method has revolutionized clubfoot treatment, it is not effective for all patients. When the Ponseti method does not correct the foot, patients are at risk for lifelong disability and may require more-extensive surgery. QUESTIONS/PURPOSES: (1) What genetic and morphologic abnormalities contribute to the development of clubfoot? (2) How can this information be used to devise personalized treatment paradigms for patients with clubfoot? METHODS: Human gene sequencing, molecular genetic engineering of mouse models of clubfoot, MRI of clubfoot, and development of new treatment methods all have been used by our group to understand the biological basis and improve therapy for this group of disorders...
February 24, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28219379/a-prospective-follow-up-of-age-related-changes-in-the-subchondral-bone-density-of-the-talus-of-healthy-labrador-retrievers
#16
W Dingemanse, M Müller-Gerbl, I Jonkers, J Vander Sloten, H van Bree, I Gielen
BACKGROUND: During growth, the skeletal structures adapt to the increased loading conditions and mature to a fully-grown skeleton. Subchondral bone density reflects the effect of long-term joint loading and it is expected to change over time. The aim of this study was to describe the long-term changes in the density distribution of the subchondral bone of the talus of healthy Labrador Retrievers in a prospective study. RESULTS: The subchondral bone density distribution was evaluated using computed tomographic osteoabsorptiometry (CTOAM)...
February 20, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28216755/interobserver-variability-in-pirani-clubfoot-severity-scoring-system-between-the-orthopedic-surgeons
#17
Saurabh Jain, Anand Ajmera, Mahendra Solanki, Alok Verma
BACKGROUND: Congenital talipes equinovarus (clubfoot) is one of the most common congenital pediatric orthopedic foot deformity, which varies in severity and clinical course. Assessment of severity of the club foot deformity is essential to assess the initial severity of deformity, to monitor the progress of treatment, to prognosticate, and to identify early relapse. Pirani's scoring system is most acceptable and popular for club foot deformity assessment because it is simple, quick, cost effective, and easy...
January 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28196041/change-in-talar-translation-in-the-coronal-plane-after-mobile-bearing-total-ankle-replacement-and-its-association-with-lower-limb-and-hindfoot-alignment
#18
Young Yi, Jae-Ho Cho, Ji-Beom Kim, Jae-Young Kim, Su-Yeon Park, Woo Chun Lee
BACKGROUND: Mobile-bearing total ankle replacement (TAR) enables motion at the tibial implant-polyethylene insert interface. This motion could lead to coronal translation of the talus relative to the tibia and may affect radiographic outcome. We aimed to assess the translation of the talus before and after mobile-bearing TAR to determine whether translation of the talus after TAR is associated with coronal plane alignment of the lower limb and hindfoot as well as to investigate the complications associated with talar translation...
February 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28188546/osteochondral-lesions-of-the-talus-in-the-athlete-up-to-date-review
#19
REVIEW
Yoshiharu Shimozono, Youichi Yasui, Andrew W Ross, John G Kennedy
PURPOSE OF REVIEW: Osteochondral lesions of the talus (OLT) are common injuries in athletes. The purpose of this study is to comprehensively review the clinical results and return to sport capacity in athletes following treatment for OLT. RECENT FINDINGS: Reparative procedures, such as bone marrow stimulation, and replacement procedures, such as autologous osteochondral transplantation, provide good clinical outcomes in short- and mid-term follow-up in the athlete...
March 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28167062/treatment-of-peripheral-talus-fractures
#20
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
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