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https://www.readbyqxmd.com/read/29165298/nail-apparatus-melanoma-in-a-japanese-population-a-comparative-study-of-surgical-procedures-and-prognoses-in-a-large-series-of-151-cases
#1
Dai Ogata, Hisashi Uhara, Arata Tsutsumida, Naoya Yamazaki, Kosuke Mochida, Masahiro Amano, Shusuke Yoshikawa, Yoshio Kiyohara, Tetsuya Tsuchida
Nail apparatus melanoma (NAM) is a rare subtype of malignant melanoma with a prevalence that varies among populations. Conservative surgical approaches for thin to intermediate NAMs have recently been reported, however, their adoption is controversial, and resulting long-term prognoses are unknown. The purpose of this study was to determine the prognosis of NAM in a sample Asian population, and to investigate whether there is a difference in the local control and overall survival (OS) rates according to the extent of resection of the primary tumour...
November 22, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29164719/circadian-variation-of-flexor-withdrawal-and-crossed-extensor-reflexes-in-patients-with-restless-legs-syndrome
#2
Chloe Dafkin, Andrew Green, Benita Olivier, Warrick Mckinon, Samantha Kerr
An evening state of spinal hyperexcitability has been proposed to be a possible cause of evening increases in restless legs syndrome symptoms. Thus, the objective of the current study was to assess the circadian variation in spinal excitability in patients with restless legs syndrome based on flexor withdrawal reflex and crossed extensor reflex responses. The reflexes were elicited on 12 participants with restless legs syndrome and 12 healthy control participants in the evening (PM) and the morning (AM). Reflex response magnitudes were measured electromyographically and kinematically...
November 22, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29156165/understanding-frontal-plane-correction-in-hallux-valgus-repair
#3
REVIEW
W Bret Smith, Paul Dayton, Robert D Santrock, Daniel J Hatch
Hallux-abducto-valgus or "bunion" surgery is one of the most common surgical procedures for the foot and ankle specialist. As our understanding of the hallux-abducto-valgus deformity has grown, it is becoming clear that the anatomic CORA of the deformity may lie at the tarsometatarsal joint. There is also the component of the 3-dimensional nature of the deformity that may be best addressed at this CORA. With these issues in mind, it was necessary to address the shortcomings of the traditional Lapidus procedure and progress toward more consistent, instrumented steps that could address the 3-dimensional nature of the deformity...
January 2018: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/29156163/the-role-of-polyvinyl-alcohol-in-cartilage-repair-of-the-ankle-and-first-metatarsophalangeal-joint
#4
REVIEW
Thomas J Chang
The Cartiva implant (Cartiva, Alpharetta, GA) is an exciting option in dramatically diminishing patient symptoms in advanced stages of hallux rigidus as well as allowing continued joint motion. The procedure does not burn many bridges in case a future revision to an arthrodesis is necessary. This advantage is in contradistinction to other current implants whereby more bone resection is required for implant placement.
January 2018: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/29153007/ultrasound-guided-hyaluronic-acid-injection-for-the-management-of-morton-s-neuroma
#5
Kang Lee, Il-Yeong Hwang, Chang Hyun Ryu, Jae Woo Lee, Seung Woo Kang
BACKGROUND: Morton's neuroma is one of the common causes of forefoot pain. In the present study, hyaluronic acid injection was performed on patients to determine the efficacy and adverse effects of hyaluronic acid in management of Morton's neuroma. METHODS: Eighty-three patients with Morton's neuroma in their third intermetatarsal space with definite Mulder's click were included in the study. Those with severe forefoot deformities such as forefoot cavus or hallux valgus on plain X-rays were excluded...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29151998/hallux-osteoid-osteoma-a-case-report-and-literature-review
#6
REVIEW
Konstantinos C Xarchas, George Kyriakopoulos, Spyros Manthas, Leon Oikonomou
Osteoid osteoma is a benign bone tumour that mostly affects males in the second and third decade of their life. The lesion mainly occurs in long bones, usually in the femur and tibia, causing severe localized pain that is worse at night and responds to nonsteroidal anti-inflammatory drugs (NSAIDs). Diagnosis is usually made on the basis of history and radiographic findings. However, in more unusual locations as the hand and foot, diagnostic issues can arise. Treatment often includes complete removal of the tumor...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29139570/distribution-of-segmental-foot-kinematics-in-patients-with-degenerative-joint-disease-of-the-ankle
#7
Karl Canseco, Karen M Kruger, Jessica M Fritz, Katherine A Konop, Sergey Tarima, Richard M Marks, Gerald F Harris
Degenerative joint disease (DJD) of the ankle is a debilitating chronic disease associated with severe pain and dysfunction resulting in antalgic gait alteration. Little information is available about segmental foot and ankle motion distribution during gait in ankle osteoarthritis. The aim of the current study was to dynamically characterize segmental foot and ankle kinematics of patients with severe ankle arthrosis requiring total ankle replacement. This was a prospective study involving 36 (19 M, 17 F) adult patients with a clinical diagnosis of ankle arthrosis ("DJD" group) and 36 (23 M, 13 F) healthy subjects ("Control" group)...
November 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29135720/clinical-outcome-following-total-joint-replacement-and-arthrodesis-for-hallux-rigidus-a-systematic-review
#8
Jasper Stevens, Robin T A L de Bot, Joris P S Hermus, Lodewijk W van Rhijn, Adhiambo M Witlox
BACKGROUND: Hallux rigidus is a common cause of foot pain in the elderly and has a negative impact on quality of life. Several operative treatment options are available for feet that are refractory to conservative treatment. Of these, total joint replacement and arthrodesis of the first metatarsophalangeal joint are the most commonly performed interventions. Nevertheless, it is still not known which intervention results in the best clinical outcome and the fewest complications. METHODS: PubMed/MEDLINE, Embase, and the Cochrane Library were systematically searched for studies assessing outcome with the American Orthopaedic Foot & Ankle Society-Hallux Metatarsophalangeal Interphalangeal (AOFAS-HMI) score, Foot Function Index (FFI), visual analog scale (VAS) for pain, or Short Form-36 (SF-36) in patients who underwent an arthrodesis or total joint replacement for the treatment of symptomatic hallux rigidus...
November 14, 2017: JBJS Reviews
https://www.readbyqxmd.com/read/29133920/energy-neutral-the-human-foot-and-ankle-subsections-combine-to-produce-near-zero-net-mechanical-work-during-walking
#9
Kota Z Takahashi, Kate Worster, Dustin A Bruening
The human foot and ankle system is equipped with structures that can produce mechanical work through elastic (e.g., Achilles tendon, plantar fascia) or viscoelastic (e.g., heel pad) mechanisms, or by active muscle contractions. Yet, quantifying the work distribution among various subsections of the foot and ankle can be difficult, in large part due to a lack of objective methods for partitioning the forces acting underneath the stance foot. In this study, we deconstructed the mechanical work production during barefoot walking in a segment-by-segment manner (hallux, forefoot, hindfoot, and shank)...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29128666/comparison-of-plantar-pressure-distribution-in-cad-cam-and-prefabricated-foot-orthoses-in-patients-with-flexible-flatfeet
#10
Banafsheh Khodaei, Hassan Saeedi, Maryam Jalali, Maede Farzadi, Ehsan Norouzi
BACKGROUNDS: The effect of foot orthoses on plantar pressure distribution has been proven by researchers but there are some controversies about advantages of custom-made foot orthoses to less expensive prefabricated foot orthoses. METHODS: Nineteen flatfeet adults between 18 and 45 participated in this study. CAD-CAM foot orthoses were made for these patients according to their foot scan. Prefabricated foot orthoses were prepared according to their foot size. Plantar pressure, force and contact area were measured using pedar(®)-x in-shoe system wearing shoe alone, wearing CAD-CAM foot orthoses and wearing prefabricated foot orthoses...
December 2017: Foot
https://www.readbyqxmd.com/read/29126340/-treatment-of-hallux-valgus-current-diagnostic-testing-and-surgical-treatment-performed-by-german-foot-and-ankle-surgeons
#11
Dariusch Arbab, Lisa-Maria Schneider, Christoph Schnurr, Bertil Bouillon, Peer Eysel, Dietmar Pierre König
Background Hallux valgus is one of the most prevalent foot deformities, and surgical treatment of Hallux valgus is one of the most common procedures in foot and ankle surgery. Diagnostic and treatment standards show large variation despite medical guidelines and national foot and ankle societies. The aim of this nationwide survey is a description of the current status of diagnostics and therapy of Hallux valgus in Germany. Material and Methods A nationwide online questionnaire survey was sent to two German foot and ankle societies...
November 10, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29126046/study-on-the-foot-shape-characteristics-of-the-elderly-in-china
#12
Xiang Dong Luo, Chao-Hua Xue, Yan Li
BACKGROUND: With aging, the feet of the elderly above 60 years old in China present degenerative changes, deformities, and diseases, which significantly affect their daily activities. OBJECTIVES: The authors aimed to study the morphological characteristics of the feet and identify the foot type according to size (length and width) and defect characteristics of elderly feet in China. METHODS: A convenient sample of 1000 subjects above 60 years old was recruited mainly in the regions of Shanghai, Shaanxi, Henan, Hebei, and Sichuan in China...
April 24, 2017: Foot
https://www.readbyqxmd.com/read/29126037/radiographic-evaluation-of-first-mtp-joint-arthrodesis-for-severe-hallux-valgus-does-the-introduction-of-a-lag-screw-improve-union-rates-and-correction-of-the-intermetatarsal-angle
#13
Zachariah Pinter, Parke Hudson, Brent Cone, Girish Motwani, Krishna Prasad, Ashish Shah
BACKGROUND: First metatarsophalangeal (MTP-1) joint fusion is a reliable method for the correction of various deformities including hallux valgus and hallux rigidus. Ideal constructs provide high rates of fusion in desired alignment. The present study examines the union rates, as well as the change in dorsiflexion angle during the follow up period in patients who underwent MTP-1 fusion with a dorsal locking plate and a lag screw, versus patients fused with a dorsal locking plate alone...
July 8, 2017: Foot
https://www.readbyqxmd.com/read/29126035/histomorphological-and-biochemical-properties-of-plantar-soft-tissue-in-diabetes
#14
Yak-Nam Wang, Kara Lee, Jane B Shofer, William R Ledoux
BACKGROUND: Diabetes results in pathophysiological changes, leading to tissue that is unable to withstand and adapt to the same loads, resulting in breakdown. Certain locations are more susceptible to breakdown, yet differences between locations are largely not well understood. The authors performed a histological and biochemical analysis of isolated plantar adipose tissue at six relevant locations. METHODS: Tissue from six plantar locations (hallux, first, third and fifth metatarsal heads, lateral midfoot and calcaneus) was taken from fresh cadaveric feet of older diabetic and older non-diabetic intact donors...
June 7, 2017: Foot
https://www.readbyqxmd.com/read/29116824/paronychia-with-sporangium-formation-causing-an-ingrown-toenail-a-rare-case-report
#15
Chi-Yu Wang, Chung-Chih Hong, Ting-Fu Su, Shun-Cheng Chang
Ingrown toenail, or onychocryptosis, is a common inflammatory disease of the hallux. It results from the alteration of fit of the nail plate in the lateral nail fold. They are usually seen in adolescents and young adults and can affect daily activities and social life. Generally, ingrown toenails are classified into three stages, including inflammatory stage, abscess stage and granulation stage. Here we have presented the rare case of a male with a diagnosis of paronychia with sporangium formation causing an ingrown toenail...
November 8, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29110501/first-metatarsal-head-osteochondral-defect-treatment-with-particulated-juvenile-cartilage-allograft-transplantation-a-case-series
#16
Bryan Van Dyke, Gregory C Berlet, Justin L Daigre, Christopher F Hyer, Terrence M Philbin
BACKGROUND: Focal damage to articular cartilage, also called an osteochondral defect (OCD), can be a cause of pain and decreased range of motion. Recent advancements have led to transplantation techniques using particulated juvenile articular cartilage allograft. This technique has been applied to the first metatarsal head to a very limited degree, with no published results to our knowledge. The aim of this study was to review the clinical results of patients who underwent particulated juvenile cartilage allograft implantation for first metatarsal head OCDs...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29103891/nonimplant-arthroplasty-for-the-treatment-of-end-stage-hallux-rigidus
#17
Jake G Ruff, Kathleen Q Trotter, John F Grady
Surgical management of end-stage hallux rigidus involves joint-sparing techniques, including cheilectomy and decompression osteotomies, and joint-destructive procedures, including arthroplasty (resection, interpositional, implant, Valenti) and arthrodesis. Joint-destructive procedures have traditionally been reserved for the end stages of hallux rigidus involving grade 3 and 4. We present a modification of the previously reported Valenti arthroplasty with short-term patient outcomes. We performed a retrospective review of the medical records of 96 patients who had undergone the nonimplant arthroplasty procedure for treatment of end-stage hallux rigidus with a minimum follow-up period of 6 months...
November 2, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29103889/minimally-invasive-hallux-interphalangeal-joint-arthrodesis-for-hallux-varus-in-pfeiffer-syndrome-a-case-report
#18
Miguel Flora, Pedro Diniz, Ana Luisa Neto, Nelson Teixeira, Paulo Carvalho, Francisco Guerra Pinto
Pfeiffer syndrome is a rare hereditary condition with an autosomal dominant transmission caused by a mutation that affects fibroblast growth factor receptors. It is one of the acrocephalosyndactyly diseases causing cranial malformations owing to early suture fusion. In the foot, it is typically associated with hallux varus, first ray hyperplasia, and partial lesser digit syndactyly. We report a clinical case of a 10-year-old patient with Pfeiffer type I syndrome with bilateral severe hallux varus due to a hypoplastic trapezoidal shaped proximal phalanx, a distal, medial-facing articular surface, and interphalangeal instability...
November 3, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29098692/ontogeny-of-hallucal-metatarsal-rigidity-and-shape-in-the-rhesus-monkey-macaca-mulatta-and-chimpanzee-pan-troglodytes
#19
Biren A Patel, Jason M Organ, Tea Jashashvili, Stephanie H Bui, Holly M Dunsworth
Life history variables including the timing of locomotor independence, along with changes in preferred locomotor behaviors and substrate use during development, influence how primates use their feet throughout ontogeny. Changes in foot function during development, in particular the nature of how the hallux is used in grasping, can lead to different structural changes in foot bones. To test this hypothesis, metatarsal midshaft rigidity [estimated from the polar second moment of area (J) scaled to bone length] and cross-sectional shape (calculated from the ratio of maximum and minimum second moments of area, Imax /Imin ) were examined in a cross-sectional ontogenetic sample of rhesus macaques (Macaca mulatta; n = 73) and common chimpanzees (Pan troglodytes; n = 79)...
November 3, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29093757/movement-coordination-patterns-between-the-foot-joints-during-walking
#20
John B Arnold, Paolo Caravaggi, François Fraysse, Dominic Thewlis, Alberto Leardini
Background: In 3D gait analysis, kinematics of the foot joints are usually reported via isolated time histories of joint rotations and no information is provided on the relationship between rotations at different joints. The aim of this study was to identify movement coordination patterns in the foot during walking by expanding an existing vector coding technique according to an established multi-segment foot and ankle model. A graphical representation is also described to summarise the coordination patterns of joint rotations across multiple patients...
2017: Journal of Foot and Ankle Research
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