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https://www.readbyqxmd.com/read/28724867/evaluation-of-the-patient-exposure-in-general-radiography-for-some-facilities-comparison-with-drl-and-evaluation-of-the-difference-among-facilities
#1
Koji Ono, Yuya Kondo, Takuma Ichikawa, Yasuki Asada
The first diagnostic reference levels (DRLs 2015) in Japan were published in June 2015. The purpose of this study was to compare the calculated entrance surface doses with the values of DRLs 2015, and evaluate differences in patient exposure among facilities. Semiconductor dosimeter was installed, and dosimetry was performed using equipment and radiographic condition of each facility. As a result, a dose higher than the value of DRLs 2015 was used in 12 kinds of examination. In child chest examination, the doses of the three facilities (0...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28723758/total-knee-arthroplasty-conversion-after-a-failed-lateral-closing-wedge-high-tibial-osteotomy-with-knee-hyperextension-and-secondary-ankle-degeneration-a-case-report
#2
Chen Yao, Xingquan Xu, Sheng Zhou, Xiaoxiao Song, Dongquan Shi, Qing Jiang
RATIONALE: High tibial osteotomy (HTO) has been used widely for medial compartment knee osteoarthritis to correct the deformity and relieve symptoms, especially in young patients who are willing to maintain the high activity level. However, the change of bone morphology, ligament imbalance, limb malalignment, and other complications may influence the short-term outcomes of HTO. Some cases may even require conversion to TKA shortly after HTO because of the loss of correction or pain due to accelerated osteoarthritis...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28722491/comparative-effectiveness-of-plantar-massage-techniques-on-postural-control-in-those-with-chronic-ankle-instability
#3
Erik A Wikstrom, Kyeongtak Song, Ashley Lea, Nastassia Brown
CONTEXT:   One of the major concerns after an acute lateral ankle sprain is the potential for development of chronic ankle instability (CAI). The existing research has determined that clinician-delivered plantar massage improves postural control in those with CAI. However, the effectiveness of self-administered treatments and the underlying cause of any improvements remain unclear. OBJECTIVES:   To determine (1) the effectiveness of a self-administered plantar-massage treatment in those with CAI and (2) whether the postural-control improvements were due to the stimulation of the plantar cutaneous receptors...
July 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28717619/comparison-of-dynamic-postural-stability-scores-between-athletes-with-and-without-chronic-ankle-instability-during-lateral-jump-landing
#4
Zeinab Shiravi, Azadeh Shadmehr, Saeed Talebian Moghadam, Behrouz Attarbashi Moghadam
BACKGROUNDS: Many ankle injuries occur while participating in sports that require jumping and landing such as basketball, volleyball and soccer. Most recent studies have investigated dynamic postural stability of patients with chronic ankle instability after landing from a forward jump. The present study aimed to investigate the dynamic postural stability of the athletes who suffer from chronic ankle sprain while landing from a lateral jump. METHODS: Twelve athletes with self-reported unilateral chronic ankle instability (4 females and 8 males) and 12 matched controls (3 females and 9 males) voluntarily participated in the study...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28714755/foot-and-ankle-kinematics-during-descent-from-varying-step-heights
#5
Emily E Gerstle, Kristian O'Connor, Kevin G Keenan, Stephen C Cobb
In the general population, one-third of incidences during step negotiation occur during the transition to level walking. Furthermore, falls during curb negotiation are a common cause injury in older adults. Distal foot kinematics may be an important factor in determining injury risk associated with transition step negotiation. The purpose of this study was to identify foot and ankle kinematics of uninjured individuals during descent from varying step heights. A seven-segment foot model was used to quantify kinematics as participants walked on a level walkway, stepped down a single step (heights: 5 cm, 15 cm, 25 cm) and continued walking...
July 17, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28713455/a-pilot-study-of-the-effect-of-outsole-hardness-on-lower-limb-kinematics-and-kinetics-during-soccer-related-movements
#6
Dong Sun, Qichang Mei, Julien S Baker, Xuewen Jia, Yaodong Gu
The purpose of this study was to investigate the effect of different outsole hardness of turf cleats shoes on the lower limb kinematics and kinetics of soccer players playing on artificial turf. The participants were required to complete tasks of straight running and 45° left sidestep cutting movements, respectively, at the speed of 4.5 ± 0.2 m/s on artificial turf. They were asked to randomly select turf cleats shoes with a soft outsole (SO), medium hardness outsole (MO) and hard outsole (HO). During the stance phase of straight running, peak pressure and force-time integral in medial forefoot (MFF) of players wearing cleats shoes with MO were significantly higher than those wearing cleats shoes with SO...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28710509/x-shaped-inferior-extensor-retinaculum-and-its-doubtful-use-in-the-br%C3%A3-strom-gould-procedure
#7
M Dalmau-Pastor, F Malagelada, G M M J Kerkhoffs, M C Manzanares, J Vega
PURPOSE: The inferior extensor retinaculum (IER) is an aponeurotic structure located in the anterior aspect of the ankle. According to the literature, it can be used to reinforce a repair of the anterior talofibular ligament in ankle instability. Despite its usual description as an Y-shaped structure, it is still unclear which part of the retinaculum is used for this purpose, or if it is instead the crural fascia that is being used. The purpose of this study is to define the anatomical characteristics of the IER to better understand its role in the Broström-Gould procedure...
July 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28706799/all-arthroscopic-remnant-preserving-technique-to-reconstruct-the-lateral-ankle-ligament-complex
#8
Jianchao Gui, Yiqiu Jiang, Yang Li, Tianqi Tao, Wang Li, Kaibing Zhang, Wangxiang Yao, Peilong Dong
Arthroscopic lateral ankle ligament reconstruction has been recently advocated. But this technique has not been popularized because of the technical complexity and potential iatrogenic injury. Because the talocalcaneal and calcaneofibular ligaments are extra-articular structures, how to efficiently view and address them is a difficult task. Limited dissection outside the capsule to form a working space is required, but aggressive dissection is harmful for tissue healing although it is helpful for visualization and instrumentation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28704296/osteotomy-as-a-treatment-option-in-dysplasia-epiphyseal-hemimelica-of-the-distal-radius-a-case-report
#9
Juan J Dominguez-Amador, Francisco J Cordero-Arriaza, Magdalena Casas-Ruiz, José A Andrés-García
Dysplasia epiphysialis hemimelica (DEH), also known as Trevor disease, is a very rare disease characterized by an overgrowth of the osteocartilaginous epiphyseal caused by unknown factors. The medial side of the epiphysis is affected twice as often as the lateral side and more than one epiphysis was affected in two-thirds of the cases. Only a few cases of DEH in the upper extremities have been published, as the lower limb is usually the most affected, especially in the bones of the ankle joint. The symptoms vary from little significant deformities to symptomatic cases, pain, and decreased function depending on the location and the size of the lesion...
July 12, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28702400/sarcomatous-transformation-of-a-hemosiderotic-fibrohistiocytic-lipomatous-tumor-a-case-report
#10
Renata Margarida Etchebehere, Elia Cláudia Souza Almeida, Carlos David Teixeira Santos, Adilha Misson Rua Micheletti, Antônio Sebastião Leitão
Hemosiderotic fibrohistiocytic lipomatous tumors are rare neoplasms that were first described in 2000. Initially considered a benign lipotamous lesion of the soft tissues, nowadays they are considered to be a locally aggressive tumor. They occur mainly in the foot and ankle of women in their fifth and sixth decades, although they may be found in any place in the lower limbs and, more rarely, in other parts of the body. Histologically, hemosiderotic fibrohistiocytic lipomatous tumors consist of a mixture of mature adipose tissue, fusiform cell fascicles, macrophages that often contain cytoplasmic hemosiderin, mononuclear inflammatory infiltrate, and stroma that may be focally myxoid...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28698539/croatian-rotatory-oblique-three-dimensional-osteotomy-croto-a-modified-wilson-s-osteotomy-for-adult-hallux-valgus-intended-to-prevent-dorsal-displacement-of-the-distal-fragment-and-to-reduce-shortening-of-the-first-metatarsal-bone
#11
Robert Kolundžić, Mladen Mađarević, Vladimir Trkulja, Tomislav Crnković, Igor Šmigovec, Daniel Matek
Aim To evaluate biomechanical and clinical outcomes of a newly developed modification of the Wilson's osteotomy for hallux valgus: a three-dimensional subcaptial correction of the metatarsal head position with a simultaneous lateral and plantar shift with derotation intended to reduce displacement of the distal fragment and shortening of the first metatarsal bone. Methods Thirty four feet (28 female patients) underwent the new procedure and were evaluated before and 12 to 84 months (median=25.5) after the surgery...
August 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28696780/evaluation-of-the-effectiveness-of-toe-board-energy-absorbing-material-for-foot-ankle-and-lower-leg-injury-reduction
#12
John P Patalak, Joel D Stitzel
OBJECTIVE: Since 2000 numerous improvements have been made to the National Association for Stock Car Auto Racing, Incorporated (NASCAR®) driver restraint system, resulting in improved crash protection for motorsports drivers. Advancements have included seats, head and neck restraints (HNR), seat belt restraint systems, driver helmets and others. These enhancements have increased protection for drivers from severe crash loading. Extending protection to the driver's extremities remains challenging...
July 11, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28690469/ankle-reconstruction-in-fibular-hemimelia-new-approach
#13
Hany Hefny, ElHussein M Elmoatasem, Mahmoud Mahran, Tamer Fayyad, Mohamed A Elgebeily, Ahmed Mansour, Mamdouh Hefny
BACKGROUND: Fibular hemimelia is a congenital disorder that is characterized by the absence of the fibula that could be either partial or complete. Successful management aims to restore normal weight bearing and normal limb length. The introduction of the Ilizarov method of limb lengthening has provided an attractive alternative to amputation. During lengthening, the tight posterolateral soft-tissue structures, the thick fibrous fibular band, and the shortened Achilles tendon become tighter and transfer a valgus force to the talus and calcaneus, further aggravating the deformity...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28684391/the-effects-of-shoe-worn-insoles-on-gait-biomechanics-in-people-with-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#14
REVIEW
Kathryn E Shaw, Jesse M Charlton, Christina K L Perry, Courtney M de Vries, Matthew J Redekopp, Jordan A White, Michael A Hunt
OBJECTIVES: The effect of shoe-worn insoles on biomechanical variables in people with medial knee osteoarthritis has been studied extensively. The majority of research has focused specifically on the effect of lateral wedge insoles at the knee. The aim of this systematic review and meta-analysis was to summarise the known effects of different shoe-worn insoles on all biomechanical variables during level walking in this patient population to date. METHODS: Four electronic databases were searched to identify studies containing biomechanical data using shoe-worn insole devices in the knee osteoarthritis population...
July 6, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28682726/the-effectiveness-of-calf-muscle-electrostimulation-on-vascular-perfusion-and-walking-capacity-in-patients-living-with-type-2-diabetes-mellitus-and-peripheral-artery-disease
#15
Christian Ellul, Cynthia Formosa, Alfred Gatt, Auon Abbas Hamadani, David G Armstrong
The aim of the study was to explore calf muscle electrostimulation on arterial inflow and walking capacity in claudicants with peripheral artery disease and diabetes mellitus. A prospective, 1-group, pretest-posttest study design was used on 40 high-risk participants (n = 40) who exhibited bilateral limb ischemia (ankle brachial pressure index [ABPI] <0.90), diabetes mellitus, and calf muscle claudication. A program of calf muscle electrical stimulation with varying frequency (1-250 Hz) was prescribed for 1 hour per day for 12 weeks...
June 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28681679/artificial-intelligence-for-analyzing-orthopedic-trauma-radiographs
#16
Jakub Olczak, Niklas Fahlberg, Atsuto Maki, Ali Sharif Razavian, Anthony Jilert, André Stark, Olof Sköldenberg, Max Gordon
Background and purpose - Recent advances in artificial intelligence (deep learning) have shown remarkable performance in classifying non-medical images, and the technology is believed to be the next technological revolution. So far it has never been applied in an orthopedic setting, and in this study we sought to determine the feasibility of using deep learning for skeletal radiographs. Methods - We extracted 256,000 wrist, hand, and ankle radiographs from Danderyd's Hospital and identified 4 classes: fracture, laterality, body part, and exam view...
July 6, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28677942/effect-of-fibular-repositioning-taping-in-adult-basketball-players-with-chronic-ankle-instability-a-randomized-placebo-controlled-crossover-trial
#17
Yanina Alves, Fernando Ribeiro, Anabela G Silva
BACKGROUND: Chronic ankle instability presents a high incidence and prevalence in basketbal players. It's important to develop strategies to reduce the functional and mechanical limitations resulting from this condition. To compare the effect of Mulligan ́s fibular repositioning taping with a placebo taping immediatly after application and after a running test (Yo-Yo IRT). METHODS: 16 adult basketball players (10 male, 6 female) with chronic ankle instability and mean age 21...
July 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28675813/radiological-assessment-of-ankle-syndesmotic-reduction
#18
Constantinos Louis Loizou, Alexis Sudlow, Ruaraidh Collins, David Loveday, George Smith
INTRODUCTION: The intraoperative assessment of adequacy of syndesmotic reduction is challenging. The aim of this study was to develop a radiographic measure based on the lateral ankle view to assess both the normal and abnormal relationship between the tibia and fibula after simulated syndesmotic malreduction and to evaluate the effect on commonly used mortise measurements. METHODS: Mortise and talar dome lateral radiographs were obtained in eight fresh-frozen cadaveric specimens before and following syndesmosis division and posterior fibular displacement of 2mm increments...
May 3, 2017: Foot
https://www.readbyqxmd.com/read/28673281/the-v-sign-in-lateral-talar-process-fractures-an-experimental-study-using-a-foot-and-ankle-model
#19
Thorsten Jentzsch, Anita Hasler, Niklas Renner, Manuel Peterhans, Reto Sutter, Norman Espinosa, Stephan H Wirth
BACKGROUND: Lateral talar process fractures (LTPF) are often missed on conventional radiographs. A positive V sign is an interruption of the contour of the LTP. It has been suggested, but not proven to be pathognomonic for LTPF. The objective was to study whether the V sign is pathognomonic for LTPF and if it can be properly assessed in different ankle positions and varying fracture types. METHODS: An experimental study was conducted. Two investigators assessed lateral radiographs (n = 108) of a foot and ankle model...
July 3, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28673102/open-reduction-assisted-with-an-external-fixator-and-internal-fixation-with-calcaneal-locking-plate-for-intra-articular-calcaneal-fractures
#20
Hui Yao, Huading Lu, Huiqing Zhao, Lulu Lv, Gang Hou
BACKGROUND: The extensile lateral approach (ELA) has been considered to be a standard approach for displaced intra-articular calcaneal fractures (DICF) because it provides excellent exposure and allows direct reduction of the depressed posterior facet fragment. But continuous retraction during surgery needs sufficient manpower and may cause ischemia. Failure of rigid fixation of DICF will not allow for early weight bearing and may lead to a loss of reduction. To avoid these disadvantages, this study presents open reduction assisted with an external fixator and internal fixation with a calcaneal locking plate...
June 1, 2017: Foot & Ankle International
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