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https://www.readbyqxmd.com/read/28343329/stress-fractures-of-the-foot-and-ankle-part-2-site-specific-etiology-imaging-and-treatment-and-differential-diagnosis
#1
Jacob C Mandell, Bharti Khurana, Stacy E Smith
Stress fractures of the foot and ankle are a commonly encountered problem among athletes and individuals participating in a wide range of activities. This illustrated review, the second of two parts, discusses site-specific etiological factors, imaging appearances, treatment options, and differential considerations of stress fractures of the foot and ankle. The imaging and clinical management of stress fractures of the foot and ankle are highly dependent on the specific location of the fracture, mechanical forces acting upon the injured site, vascular supply of the injured bone, and the proportion of trabecular to cortical bone at the site of injury...
March 25, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28337049/use-of-3d-printed-bone-plate-in-novel-technique-to-surgically-correct-hallux-valgus-deformities
#2
Kathryn E Smith, Kenneth M Dupont, David L Safranski, Jeremy Blair, Dawn Buratti, Vladimir Zeetser, Ryan Callahan, Jason Lin, Ken Gall
Three-dimensional (3-D) printing offers many potential advantages in designing and manufacturing plating systems for foot and ankle procedures that involve small, geometrically complex bony anatomy. Here, we describe the design and clinical use of a Ti-6Al-4V ELI bone plate (FastForward™ Bone Tether Plate, MedShape, Inc., Atlanta, GA) manufactured through 3-D printing processes. The plate protects the second metatarsal when tethering suture tape between the first and second metatarsals and is a part of a new procedure that corrects hallux valgus (bunion) deformities without relying on doing an osteotomy or fusion procedure...
September 2016: Techniques in Orthopaedics: TIO
https://www.readbyqxmd.com/read/28336447/anatomical-reconstruction-of-the-fourth-brachymetatarsia-with-one-stage-iliac-bone-and-cartilage-cap-grafting
#3
Sang-Hyun Woo, Chi Young Bang, Hee-Chan Ahn, Sung-Jung Kim, Jun-Young Choi
BACKGROUND: We present a one-stage procedure for lengthening the fourth brachymetatarsia with autogenous iliac bone and cartilage cap grafting for the anatomical reconstruction of the metatarsophalangeal (MTP) joint METHODS: During the last 8 years, 56 feet in 41 patients with congenital brachymetatarsia of the fourth toe were corrected with a one-stage operation to reposition the articular cartilage cap to the distal part of interpositional iliac bone graft at the metatarsal epiphysis...
February 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28335610/rheumatoid-forefoot-reconstruction-in-the-nonrheumatoid-patient
#4
Devon C Nixon, Richard M McKean, Sandra E Klein, Jeffrey E Johnson, Jeremy J McCormick
BACKGROUND: Recurrent pain and deformity following forefoot surgery can cause significant patient disability. In patients with rheumatoid arthritis, first metatarsophalangeal (MTP) joint arthrodesis with lesser metatarsal head resections-termed the rheumatoid forefoot reconstruction-has been shown to be a reliable operation for pain relief and deformity correction. Limited data, however, have been published on outcomes of the same forefoot reconstruction operation in the nonrheumatoid patient...
March 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28333559/technique-tip
#5
Gregory R Waryasz, Stephen Marcaccio, Joseph A Gil
Lisfranc injury fixation or arthrodesis typically involves the reduction and fixation of several tarsometatarsal joints with either screws or a plate and screw constructs. A successful fixation or arthrodesis of the Lisfranc joint requires proper screw placement from the medial cuneiform to the base of the second metatarsal. This is typically done free-hand; however, we describe use of an anterior cruciate ligament guide to help maintain reduction and assist with drill trajectory for more accurate screw or suture button construct placement...
April 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28328603/simultaneous-autologus-mandible-and-temporomandibular-joint-reconstruction
#6
Yigit Ozer Tiftikcioglu, Ersin Gur, Ufuk Bilkay
Ablative surgery of mandible often necessitates combined reconstruction of the mandible and the temporomandibular joint. Fibula-free flaps with gap arthroplasty or osseochondral grafts are common procedures in the authors' practice. In search for a better reconstructive option free fibula flap is used together with a metatarsal bone flap for the vascular reconstruction of the mandibular body and the condyle at the same time. The 2 osseous-free flaps have been fused and used as a combined flow through double-free flap...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28290525/quantification-of-arthritic-bone-degradation-by-analysis-of-3d-micro-computed-tomography-data
#7
Carl-Magnus Svensson, Bianca Hoffmann, Ingo M Irmler, Maria Straßburger, Marc Thilo Figge, Hans Peter Saluz
The use of animal models of arthritis is a key component in the evaluation of therapeutic strategies against the human disease rheumatoid arthritis (RA). Here we present quantitative measurements of bone degradation characterised by the cortical bone profile using glucose-6-phosphate isomerase (G6PI) induced arthritis. We applied micro-computed tomography (μCT) during three arthritis experiments and one control experiment to image the metatarsals of the hind paws and to investigate the effect of experimental arthritis on their cortical bone profile...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286430/rotational-osteotomy-for-hallux-valgus-a-new-technique-for-primary-and-revision-cases
#8
Pablo Wagner, Cristian Ortiz, Emilio Wagner
More than 200 different surgical techniques exist for hallux valgus (HV). Some of them are designed for mild, moderate, or severe deformities depending on their correction power. Nevertheless, they all correct only the coronal and/or sagittal plane deformity. Just a handful of them correct the known axial malrotation that exists in most HV cases. This malrotation is one possible factor that could be the source of recurrence of an operated HV as it has been described. We describe a new technique which simultaneously corrects the metatarsal internal rotation and varus deformity by rotating the metatarsal through an oblique plane osteotomy...
March 2017: Techniques in Foot & Ankle Surgery
https://www.readbyqxmd.com/read/28284470/virtual-fracture-clinic-management-of-fifth-metatarsal-including-jones-fractures-is-safe-and-cost-effective
#9
Kit Brogan, Simon Bellringer, Harold Akehurst, Christopher Gee, Nada Ibrahim, Lucy Cassidy, Ben Rogers, James Gibbs
Virtual clinics have been shown to be safe and cost-effective in many specialties, yet barriers exist to their implementation in orthopaedics. The aims of this study were to look at whether the management of 5th metatarsal fractures using a virtual fracture clinic model is safe, cost effective and avoids adverse outcomes whilst being acceptable to patients using the service. All patients with a fifth metatarsal fracture between September 2013 and September 2015 had a standardised management plan initiated (blackboot, full weightbearing) in the emergency department (ED)...
February 12, 2017: Injury
https://www.readbyqxmd.com/read/28283444/comparison-between-simple-radiographic-and-computed-tomographic-three-dimensional-reconstruction-for-evaluation-of-the-distal-metatarsal-articular-angle
#10
Eduardo Pedrini Cruz, Felipe Victora Wagner, Carlo Henning, José Antônio Veiga Sanhudo, Fernando Pagnussato, Carlos Roberto Galia
The hallux valgus is a pathologic condition in the forefoot that often causes pain and functional limitations. Assessing all deformity components, such as the distal metatarsal articular angle (DMAA) is essential to hallux valgus treatment. Nevertheless, interobserver agreement of DMAA is poor on plain radiographs. The present study compared computed tomographic (CT) 3-dimensional (3D) reconstruction with plain radiographic measurements for measuring the DMAA. We included 43 consecutive patients (77 feet), diagnosed with hallux valgus at the orthopedic outpatient clinic at Hospital de Clínicas de Porto Alegre (Porto Alegre, Brazil) from April 2014 to June 2015 in our prospective study...
March 7, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28282537/a-large-solitary-fibroma-of-the-deep-compartment-of-the-sole
#11
T H Lui
A 50-year-old lady presented with a right foot mass and pain for 1year. Magnetic resonance imaging showed a 3.9×3.2×5cm mass on plantar side of the forefoot deep to the major flexor tendons and plantar aponeurosis and inferior to 1st-4th metatarsals. The mass extended dorsally through the intermetatarsal space to the foot dorsum. Ultrasound guided biopsy was performed, which confirmed it was a fibroma. This case was further complicated by pathological fracture of the 3rd metatarsal. It was resected through a dorsal incision and surgical dislocation of the 2nd and 3rd tarsometatarsal joints...
December 7, 2016: Foot
https://www.readbyqxmd.com/read/28281306/injuries-of-the-sagittal-groove-of-the-proximal-phalanx-in-warmblood-horses-detected-with-low-field-magnetic-resonance-imaging-19-cases-2007-2016
#12
Sarah J Gold, Natasha M Werpy, Santiago D Gutierrez-Nibeyro
Sagittal groove injuries of the proximal phalanx are an important cause of lameness in performance horses. The purpose of this retrospective case series study was to describe standing low-field magnetic resonance imaging (MRI) characteristics of these injuries in a group of Warmblood horses. Horses with an MRI diagnosis of sagittal groove injuries involving the proximal phalanx and that had follow-up MRI and clinical outcome information were included. Findings from clinical examinations, diagnostic tests, and other imaging modalities were recorded...
March 9, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28271945/metastatic-melanoma-of-a-metatarsala-case-report
#13
Gary Friend, Jeffrey Mitchell
A 53-year-old woman presented with painful swelling of the right forefoot presenting clinically as a metatarsal stress fracture. Radiographs showed destructive changes, and diagnostic imaging revealed an aggressive neoplasm. The lesion was biopsied, and the pathologic diagnosis was metastatic melanoma. A thorough physical examination and advanced imaging did not reveal a primary tumor. Ray resection was performed with en bloc resection of the neoplasm. The patient continues to receive long-term immune stimulation chemotherapy 34 months after the ray resection...
January 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28271930/plantar-static-pressure-distribution-in-normal-feet-using-cotton-socks-with-different-structures
#14
Zeynab Soltanzadeh, Saeed Shaikhzadeh Najar, Mohammad Haghpanahi, Mohammd Reza Mohajeri-Tehrani
BACKGROUND: The major goal of investigating plantar pressure in patients with pain or those at risk for skin injury is to reduce pressure under prominent metatarsal heads, especially the first and second metatarsals. In research, the insole is used to reduce plantar pressure by increasing the contact area in the midfoot region, which, in turn, induces an uncomfortable feeling near the arch during walking. It is deduced that sock structure can redistribute plantar pressure distribution...
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
#15
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/28268324/testing-and-comparing-of-film-type-sensor-materials-in-measurement-of-plantar-pressure-distribution
#16
Satu Rajala, Timo Salpavaara, Sampo Tuukkanen
Simple in-shoe sensors based on film-type sensor materials were developed in this study. Three sensor materials were tested: polyvinylidenefluoride (PVDF), cellulose nanofibrils (CNF) and ElectroMechanical Film (EMFi). Plantar pressure distributions of a subject were measured with the developed in-shoe sensors; each consisting of three sensor channels (lateral and medial metatarsal heads and heel). In addition, piezoelectric sensor sensitivities and crosstalk between the sensor channels were determined. Differences between the tested film-type materials and measured plantar pressure distribution signals were studied...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268145/accuracy-and-reliability-of-postoperative-radiographic-evaluation-of-first-metatarsal-phalangeal-joint-arthrodesis
#17
Kelly M Pirozzi, Andrew J Meyr
The clinical value of routine postoperative radiographic evaluation after orthopedic procedures has recently been called into question. The objective of the present investigation was to evaluate the ability of foot and ankle surgeons to accurately and reliably assess postoperative radiographs after first metatarsal-phalangeal joint arthrodesis. Thirty sets of digital radiographs from 11 patients who had undergone first metatarsal-phalangeal joint arthrodesis were retrospectively evaluated by 5 podiatric physicians board-certified in foot surgery...
March 3, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28268140/comparison-of-metatarsal-head-resection-versus-conservative-care-in-treatment-of-neuropathic-diabetic-foot-ulcers
#18
Alireza Kalantar Motamedi, Mohammad Ansari
Complications from diabetic foot ulcers often lead to increased patient morbidity. Much debate still ensues concerning surgical versus conservative management of neuropathic diabetic foot ulcerations. The present study assessed and compared the efficacy of metatarsal head resection and medical approach in the treatment of neuropathic diabetic foot ulcers located at the plantar surface of metatarsal heads. In a retrospective cohort study, 24 consecutive neuropathic diabetic foot ulcers in the lower area of the metatarsal heads that had undergone metatarsal head resection were included as the operative group...
March 3, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28260272/lisfranc-injuries
#19
Sacha Wynter, Cameron Grigg
BACKGROUND: Injury to the tarsometatarsal joint is a relatively rare occurrence that is commonly missed, leading to debilitating outcomes. For this reason, it is considered a red flag in general practice. OBJECTIVE: This article reviews the current literature on tarsometatarsal injuries and describes clinical assessment, imaging and management. DISCUSSION: Lisfranc injuries refer to the displacement of the metatarsals from the tarsus, with special attention placed on the second tarsometa-tarsal joint and Lisfranc ligament...
March 2017: Australian Family Physician
https://www.readbyqxmd.com/read/28259007/can-plantar-soft-tissue-mechanics-enhance-prognosis-of-diabetic-foot-ulcer
#20
R Naemi, P Chatzistergos, S Suresh, L Sundar, N Chockalingam, A Ramachandran
AIM: To investigate if the assessment of the mechanical properties of plantar soft tissue can increase the accuracy of predicting Diabetic Foot Ulceration (DFU). METHODS: 40 patients with diabetic neuropathy and no DFU were recruited. Commonly assessed clinical parameters along with plantar soft tissue stiffness and thickness were measured at baseline using ultrasound elastography technique. 7 patients developed foot ulceration during a 12months follow-up. Logistic regression was used to identify parameters that contribute to predicting the DFU incidence...
February 10, 2017: Diabetes Research and Clinical Practice
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