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https://www.readbyqxmd.com/read/28642650/epidemiological-study-on-lisfranc-injuries
#1
Marcel Faraco Sobrado, Guilherme Honda Saito, Marcos Hideyo Sakaki, Pedro Augusto Pontin, Alexandre Leme Godoy Dos Santos, Túlio Diniz Fernandes
OBJECTIVE: To analyze the characteristics of patients with Lisfranc injuries and their associated fractures . METHODS: This is a retrospective analysis on 42 patients with Lisfranc injuries hospitalized at Instituto de Ortopedia e Traumatologia do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, between 2006 and 2010. Parameters on patient profile, risk factors, fracture characteristics, data on treatment and acute complications were analyzed ...
January 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28641159/a-model-to-calculate-the-progression-of-the-centre-of-pressure-under-the-foot-during-gait-analysis
#2
Melissa Gar Yee Louey, Anita Mudge, Elizabeth Wojciechowski, Morgan Sangeux
Pedobarography and the centre of pressure (COP) progression is useful to understand foot function. Pedobarography is often unavailable in gait laboratories or completed asynchronously to kinematic and kinetic data collection. This paper presents a model that allows calculation of COP progression synchronously using force plate data. The model is an adjunct to Plug-In-Gait and was applied to 49 typically developing children to create reference COP data. COP progressions were noted to spend 8% of stance behind the ankle joint centre, traverse lateral of the longitudinal axis of the foot through the midfoot for 76% of stance and finishing past the second metatarsal head on the medial side for 16% of stance...
June 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28638013/-surgical-treatment-of-diabetic-neuroosteoarthropathy-dnoap-and-its-long-term-results
#3
V M Bensman, Yu P Savchenko, S E Gumenyuk, K G Triandafilov, P P Vasil'chenko, S N Pyatakov, V V Khoritonenko
AIM: To develop pathogenetically justified surgical treatment of diabetic neuroosteoarthropathy (DNOAP). MATERIAL AND METHODS: 52 patients were operated and long-term results were studied in 36 of them. 2 groups were assessed depending on completeness of surgical treatment including changed synovial structures removal. Tarso-metatarsal arthrodesis was created after synovectomy in median foot to restore longitudinal arch. Cruro-calcaneal neoarthrosis was performed after elimination of posterior focus of DNOAP...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28636057/symmetrical-brachydactyly-in-a-dog
#4
Megan T Cray, Ursula Krotscheck, Anthony J Fischetti, Kim Tong
Congenital malformations of the canine manus and pes are infrequently reported in the veterinary literature. This includes brachydactyly which is a general term used to indicate the shortening of digits due to abnormal development of the phalanges, metacarpals, or metatarsals. This case report describes isolated brachydactyly in a one-year-old male Maremma Sheepdog affecting all of the phalanges, metacarpals, and metatarsals of digits two through five. This condition was confirmed by determining the length of each phalanx, metacarpal, and metatarsal of the affected dog as well as an unaffected littermate...
June 21, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28634924/chondroblastoma-in-adult-age
#5
Andrea Angelini, Mohammad Hassani, Andreas F Mavrogenis, Giulia Trovarelli, Carlo Romagnoli, Antonio Berizzi, Pietro Ruggieri
PURPOSE: Chondroblastoma (CB) is a rare benign tumor that occurs most commonly in the second decade of life. No studies on CB in adulthood have been reported. Our purposes were to report a single-institution experience on CB in adults and to discuss the clinical and imaging findings, type of treatment, oncologic and functional outcomes. PATIENTS AND METHODS: All patients diagnosed and treated for CB from 1981 to 2014 were reviewed. The main inclusion criterion was patients above their 30 years of age at diagnosis...
June 20, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28633781/beaming-in-charcot-arthropathy-intramedullary-fixation-for%C3%A2-complicated-reconstructions-a-cadaveric-study
#6
Corey M Fidler, Benjamin C Watson, Christopher W Reb, Christopher F Hyer
In the modern treatment of Charcot neuroarthropathy, beam screw fixation is an alternative to plate and screw fixation. Exposure is minimized for implantation, and this technique supports the longitudinal columns of the foot as a rigid load-sharing construct. A published data review identified a paucity of data regarding metatarsal intramedullary canal morphology relevant to beam screw fixation. The purpose of the present study was to describe metatarsal diaphyseal morphology qualitatively and quantitatively in an effort to provide data that can be used by surgeons when selecting axially based intramedullary fixation...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633776/bioabsorbable-calcaneo-stop-implant-for-the-treatment-of-flexible-flatfoot-a-retrospective-cohort-study-at-a-minimum-follow-up-of-4%C3%A2-years
#7
Sandro Giannini, Matteo Cadossi, Antonio Mazzotti, Valentina Persiani, Giuseppe Tedesco, Matteo Romagnoli, Cesare Faldini
Arthroereisis of the subtalar joint is a common surgical technique in Europe for the management of flexible flatfoot in the pediatric population. In most cases, it is performed using a calcaneo-stop metallic screw. Despite the good clinical results, screw removal is always advised after 2 to 3 years. The use of a bioabsorbable screw might overcome the need for a second operation to remove a nonabsorbable device. We report the results of a biodegradable calcaneo-stop screw at a minimum of 4 years of follow-up...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633771/relationship-of-cuboid-height-to-plantar-ulceration-and-other-radiographic-parameters-in-midfoot-charcot-neuroarthropathy
#8
Andrew J Meyr, Joshua A Sebag
The objective of the present investigation was to examine the effect of cuboid height on the presence of plantar midfoot ulceration and the relationship of cuboid height to other commonly performed radiographic parameters during evaluation of midfoot Charcot neuroarthropathy. A retrospective analysis was performed of 68 feet in 60 subjects who met the inclusion criteria. We did not observe statistically significant differences in the presence of a plantar midfoot ulceration when considering a cuboid height threshold of 0...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28632662/treatment-of-incomplete-jones-fractures-with-low-intensity-pulsed-ultrasound-lipus
#9
Tateishi Tomohiko, Tsuyoshi Nagase, Teruhiko Nakagawa, Tsuchiya Masamitsu
OBJECTIVE: Stress fractures of the proximal epiphysis of the fifth metatarsal bone (termed Jones fracture) frequently occur in both senior high-school-age and older contestant-level soccer players, and its incidence in Japanese soccer players is higher than that in European players. Surgery is most commonly indicated for a complete fracture, and about 3 months are required before the patient is able to return to the sport. We have performed a "Jones fracture screening" to reduce the incidence of these fractures...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632050/effects-of-turf-and-cleat-footwear-on-plantar-load-distributions-in-adolescent-american-football-players-during-resisted-pushing
#10
Jeffrey B Taylor, Anh-Dung Nguyen, Janet R Griffin, Kevin R Ford
Metatarsal and midfoot injuries are common in American football. Footwear design may influence injury rates by altering plantar foot loading patterns in these regions. The purpose of this study was to determine the effect of cleat design on in-shoe plantar foot loading during a football-specific, resisted pushing task. Twenty competitive football players (age 14.7 ± 1.8 years, height 1.72 ± 0.10 m, and mass 71.8 ± 26.9 kg) completed three trials of pushing a weighted sled at maximal effort in a standard shoe (CLEAT) and artificial turf-specific shoe (TURF), with flexible in-shoe force measuring insoles...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28631280/age-and-sex-associated-morphological-variations-of-metatarsal-torsional-patterns-in-humans
#11
Masateru Kitashiro, Naomichi Ogihara, Tetsuro Kokubo, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
It has been demonstrated that the torsional patterns of the metatarsal heads are associated with the presence or absence of the medial longitudinal arch in hominoid feet. The relatively untwisted second metatarsal is unique in humans, but that of the African apes is much more inverted, suggesting that the torsion of the second metatarsal might represent the overall shape and flatness of the foot. Some clinical studies have recently argued that the onset of foot pathologies such as hallux valgus might be related to the torsional pattern of the metatarsals...
June 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28628523/effectiveness-of-surgery-for-adults-with-hallux-valgus-deformity-a-systematic-review
#12
Jitka Klugarova, Victoria Hood, Fiona Bath-Hextall, Miloslav Klugar, Jana Mareckova, Zuzana Kelnarova
BACKGROUND: Hallux valgus (HV) is a common foot deformity. In severe stages of this condition, surgery is often necessary. Currently, there is no systematic review comparing the effectiveness of surgery over conservative treatment. OBJECTIVES: The objective of this review was to establish the effectiveness of surgery compared to conservatory management for adults with HV. INCLUSION CRITERIA TYPES OF PARTICIPANTS: The current review included adults (18 years or over) with HV deformity, excluding adults with neurological problems causing foot deformities, for example, cerebral palsy, neuropathy, stroke and multiple sclerosis...
June 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28627100/subcutaneous-extraskeletal-osteosarcoma-in-a-metatarsal-footpad-in-a-cat
#13
Ramón Almela, Wolf von Bomhard, Agustina Ansón, Ursula Mayer
BACKGROUND: Extraskeletal osteosarcomas (ESOSAs) are rare neoplasms in humans and animals. In cats, ESOSA has been reported to arise from orbital, ocular, intestinal, mammary and subcutaneous locations. Subcutaneous ESOSA occurs most commonly at sites used for vaccination including interscapular, dorsal lumbar or thigh areas. Previous reports of feline cases have not documented the use of advanced diagnostic imaging to exclude a primary bone tumour. OBJECTIVE: To describe the clinicopathological and advanced imaging findings of a subcutaneous ESOSA occurring in a metatarsal footpad of a cat and to report the one year follow-up status...
June 18, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28623061/comparison-of-extraosseous-talotarsal-stabilization-implants-in-a-stage-ii-adult-acquired-flatfoot-model-a-finite-element-analysis
#14
Jian Xu, Xin Ma, Daping Wang, Wei Lu, Weimin Zhu, Kan Ouyang, Haifeng Liu, Hao Li, Luoyong Jiang
Subtalar arthroereisis has been proved to be an efficient method for correcting flexible adult flatfoot. However, the optimal sinus tarsi implant is still debated and yet to be determined. In the present study, we compared the biomechanical effects of type I and II sinus tarsi implants in stage II adult-acquired flatfoot deformity (AAFD). First, a finite element model of stage II AAFD was established in which virtual surgery of subtalar arthroereisis was simulated. The indexes of plantar stress distribution, peak von Mises of the medial and lateral columns, strain of the medial ligaments and plantar fascia, arch height, talo-first metatarsal angle, calcaneus pitch angle, talonavicular coverage angle, and hindfoot valgus angle were all compared and analyzed...
June 13, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28622929/catarrhine-hallucal-metatarsals-from-the-early-miocene-site-of-songhor-kenya
#15
Biren A Patel, Gabriel S Yapuncich, Cassandra Tran, Isaiah O Nengo
Songhor is an early Miocene fossil locality in Kenya known for its diverse primate assemblage that includes catarrhine species belonging to the genera Kalepithecus, Limnopithecus, Dendropithecus, Rangwapithecus, and Proconsul. Expeditions to Songhor since the 1930s have recovered unassociated catarrhine postcranial remains from both the fore- and hindlimbs, including multiple elements from the feet. In this study, we describe KNM-SO 31233, a complete left hallucal metatarsal (Mt1), along with several other fragmentary Mt1 specimens (KNM-SO 1080, 5129, 5141, 22235)...
July 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28618308/supplementary-medial-locking-plate-fixation-of-ludloff-osteotomy-versus-sole-lag-screw-fixation-a-biomechanical-evaluation
#16
Panagiotis E Chatzistergos, George C Karaoglanis, Stavros K Kourkoulis, Minos Tyllianakis, Emmanouil D Stamatis
BACKGROUND: The Ludloff oblique osteotomy is inherently unstable, which might lead to delayed union and loss of correction. Supplementary fixation to two lag screw fixation has been proposed. The hypothesis is that the osteotomy fixation constructs supplemented by a mini locking plate provide greater resistance to osteotomy gaping and loss of angular correction in response to cyclic loading. METHODS: Twenty fourth generation composite 1st metatarsals were used and underwent a Ludloff osteotomy...
June 7, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28609910/the-dark-side-of-pumpkin-toadlet-a-new-species-of-i-brachycephalus-i-anura-brachycephalidae-from-serra-do-brigadeiro-southeastern-brazil
#17
Carla Silva Guimarães, Sofia Luz, Pedro Carvalho Rocha, Renato Neves Feio
Brachycephalus is a frog genus endemic to the Brazilian Atlantic Forest and characterized by the bright yellow-orange aposematic colors and the high degree of miniaturization. Herein, we describe a new species of Brachycephalus from Serra do Brigadeiro, Municipality of Ervália, Minas Gerais State, southeastern Brazil. Specimens were collected at high altitudes (i.e., 1266-1498 m above sea level) amidst the leaf litter. The new species is characterized by the presence of black connective tissue covering all dorsal muscles, body completely yellow-orange in life, presence of skull and post-cranial plates, large size (SVL of adults: 14...
May 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/28608725/driving-after-hallux-valgus-surgery
#18
Elizabeth McDonald, Rachel Shakked, Joseph Daniel, David I Pedowitz, Brian S Winters, Christopher Reb, Mary-Katherine Lynch, Steven M Raikin
BACKGROUND: The purpose of the study was to determine when patients can safely return to driving after first metatarsal osteotomy for hallux valgus correction. METHODS: After institutional review board approval, 60 patients undergoing right first metatarsal osteotomy for hallux valgus correction surgery were recruited prospectively. Patients' brake reaction time (BRT) was tested at 6 weeks and repeated until patients achieved a passing BRT. A control group of twenty healthy patients was used to establish as passing BRT...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28607766/hallux-rigidus
#19
REVIEW
Bryant Ho, Judith Baumhauer
An estimated 40% of the US population have foot problems.Of all patients aged over 50 years, 2.5% report degenerative arthritis of the first metatarsophalangeal (MTP) joint, termed 'hallux rigidus'. First MTP osteoarthritis is the most common arthritic condition in the foot.Progression of great toe arthritis is associated with pain and loss of motion. Non-surgical intervention begins with shoe modifications and orthotics designed to limit MTP motion.In patients with mild arthritis, operative procedures focus on removing excess osteophytes (cheilectomy) to prevent dorsal impingement with or without a concomitant osteotomy (Moberg) to improve or shift range of motion into a less painful arc...
January 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28606789/plate-fixation-with-autogenous-calcaneal-dowel-grafting-proximal-fourth-and-fifth-metatarsal-fractures-technique-and-case-series
#20
Chad L Seidenstricker, Edward G Blahous, Richard T Bouché, Amol Saxena
Metaphyseal and proximal diaphyseal fractures of the lateral column metatarsals can have problems with healing. In particular, those involving the fifth metatarsal have been associated with a high nonunion rate with nonoperative treatment. Although intramedullary screw fixation results in a high union rate, delayed healing and complications can occur. We describe an innovative technique to treat both acute and chronic injuries involving the metatarsal base from the metaphysis to the proximal diaphyseal bone of the fourth and fifth metatarsals...
June 9, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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