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https://www.readbyqxmd.com/read/29737830/self-healing-wide-and-thin-li-metal-anodes-prepared-using-calendared-li-metal-powder-for-improving-cycle-life-and-rate-capability
#1
Dahee Jin, Jeonghun Oh, Alex Friesen, Kyuman Kim, Taejin Jo, Yong Min Lee, Myung-Hyun Ryou
The commercialization of Li metal electrodes is a long-standing objective in the battery community. To accomplish this goal, the formation of Li dendrites and mossy Li deposition, which cause poor cycle performance and safety issues, must be resolved. In addition, it is necessary to develop wide and thin Li metal anodes to increase not only the energy density, but also the design freedom of large-scale Li-metal-based batteries. We solved both issues by developing a novel approach involving the application of calendared stabilized Li metal powder (LiMP) electrodes as anodes...
May 8, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29716263/a-transverse-isotropic-equivalent-fluid-model-combining-both-limp-and-rigid-frame-behaviors-for-fibrous-materials
#2
Benoit Nennig, Rémy Binois, Nicolas Dauchez, Emmanuel Perrey-Debain, Félix Foucart
Due to the manufacturing process, some fibrous materials like glasswool may be transversely isotropic (TI): fibers are mostly parallel to a plane of isotropy within which material properties are identical in all directions whereas properties are different along the transverse direction. The behavior of TI fibrous material is well described by the TI Biot's model, but it requires one to measure several mechanical parameters and to solve the TI Biot's equations. This paper presents an equivalent fluid model that can be suitable for TI materials under certain assumptions...
April 2018: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/29698303/closed-reduction-osteotomy-and-fibular-graft-are-effective-in-treating-pediatric-femoral-neck-pseudarthrosis-after-infection
#3
Rajesh Kumar Kanojia, Sumit Gupta, Ajay Kumar, Bachha Kanakeya Reddy
BACKGROUND: When treatment of acute septic arthritis of the hip is delayed, severe sequelae can occur. This may take the form of coxa breva, vara, or valga. Pseudoarthrosis of the femoral neck is a rare complication with only a few studies to guide treatment. QUESTION/PURPOSES: In a small series of patients with pseudarthrosis of the femoral neck after acute septic arthritis, we wanted to determine (1) whether femoral neck union can be achieved using a variety of surgical approaches; (2) whether these patients satisfied criteria outlined by Hunka and Choi, defined as a stable hip, a flexion arc ≥ 70° and no fixed adduction or abduction contractures, fixed flexion deformity not more than 20°, pain relief, and restoration of activities of daily living after surgery; and (3) any treatment-related complications if observed...
April 23, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29696054/diskitis-as-manifestation-of-gait-disturbance
#4
Afagh Assanzadehrad, Vahid Aminzadeh
Gait disturbance is a common presentation of neurologic disease in children. Limping is a kind of gait dysfunction that occurs due to neurologic & skeletal diseases. Diskitis is an inflammatory process noted as one of the significant causes of limping especially in children aged less than 3 yr. Here we report case of diskitis and limping as the significant manifestation of Gait disturbance in A 22 months old boy from 17 Shahrivar Hospital in 2016, Rasht, northern Iran. Regarding normal neurologic exam, nervous system involvement was less possible...
2018: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/29598843/treatment-outcome-of-dome-osteotomy-of-the-pelvis-combined-with-trochanteric-advancement-for-sequelae-of-perthes-disease
#5
Asep Santoso, Pramod Shaligram Ingale, Ik-Sun Choi, Young-Rok Shin, Kyung-Soon Park, Taek-Rim Yoon
OBJECTIVE: Disparity in size between femoral head and acetabulum could promote premature degeneration of the hip joint. The purpose of this study was to report the results of Kawamura's dome osteotomy for acetabular dysplasia due to sequelae of Perthes' disease. PATIENTS AND METHODS: Fourteen patients (14 hips) operated between 1999 and 2012 were retrospectively reviewed. There were 9 males and 5 females with a mean age of 29 years (range, 15-54 years). Functional and radiological results were reviewed at mean follow-up of 9 years (range, 4-12 years)...
March 26, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29593003/intraosseous-ganglion-cyst-of-the-distal-tibia-a-rare-entity-in-a-rarer-location
#6
Ashutosh Mohapatra, Viral Patel, Priyam Choudhury, Mukesh Phalak
Intraosseous ganglion cysts are rare entities, even rarer in the subchondral region of the distal tibia. A 20-year-old male presented to us with complaints of pain and limp in the right ankle joint, which was diagnosed as an intraosseous ganglion cyst of the right distal tibia and was successfully treated with curettage and bone cement with no recurrence seen even after a year.
March 28, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29576640/short-term-outcome-of-varus-derotation-osteotomy-in-late-presenting-perthes-disease
#7
Narendra Joshi, Soumya Shrikanta Mohapatra, Mahaveer Prasad Goyal, Shiv Kumar Goyal, Rakesh Kumar, Mukesh Saini
Background: Untreated Perthes disease can lead to osteoarthritis by the fourth decade. The treatment is conservative for children <6 years, operative within the age group of 6-9 years. Late onset Perthes, older than 9 years or more, are notorious with the aggressive course with poor outcome. However, literature do not come to a consensus between conservative and operative management. This study evaluates the clinical and radiological outcome of varus derotation osteotomy (VDRO) in Perthes disease presenting late with age 8 years or more...
March 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29551943/repair-of-bone-defect-of-the-lateral-forefoot-by-double-segment-triangular-fibula-flap-with-vascular-pedicle-a-case-report
#8
Ruifu Yang, Mingwu Zhou, Chaofeng Xing, Shimin Li, Li Song, Jia Chen, Yingjie Xiong, Kai Zhang
Objective: To expound the clinical effect of a new operation by transplanting double segment triangular fibula flap with vascular pedicle to repair the forefoot with lateral bone defect, and to study how to improve the operation method in the following stage. Methods: The inclusion criteria: More than 2 phalangeal and metatarsal bones defects of the lateral forefoot, widespread skin and soft tissue defects on pelma and dorsal foot, and destruction of the anterior aspect of foot arch, which seriously affects the foot function...
December 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29521078/recognition-and-nursing-management-of-children-with-non-traumatic-limp
#9
Elizabeth Wilson, Peter Cox, Karen Greaves, Siba Prosad Paul
Children with acute onset non-traumatic limp often present to emergency departments (EDs). The limp can occasionally be associated with medical emergencies such as septic arthritis and slipped upper femoral epiphysis but is often due to less severe conditions. This article discusses the common and self-limiting causes of acute onset of non-traumatic limp in children, such as transient synovitis, reactive arthritis, and benign acute childhood myositis. It also discusses more severe conditions, including septic arthritis, osteomyelitis, slipped upper femoral epiphysis, Perthes disease, malignancies and non-accidental injury...
March 9, 2018: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
https://www.readbyqxmd.com/read/29481345/morphologic-features-of-the-contralateral-femur-in-patients-with-unilateral-slipped-capital-femoral-epiphysis-resembles-mild-slip-deformity-a-matched-cohort-study
#10
Tobias Hesper, Sarah D Bixby, Daniel A Maranho, Patricia Miller, Young-Jo Kim, Eduardo N Novais
BACKGROUND: Hip osteoarthritis has been reported in the contralateral hip in patients who had been treated for unilateral slipped capital femoral epiphysis (SCFE) during adolescence. Although this might be related to the presence of a mild deformity, the morphologic features of the contralateral hip in unilateral SCFE remains poorly characterized. QUESTIONS/PURPOSES: Do measurements of (1) femoral head-neck concavity (α angle and femoral head-neck offset), (2) epiphyseal extension into the metaphysis (epiphyseal extension ratio and epiphyseal angle), and (3) posterior tilt of the epiphysis (epiphyseal tilt angle) differ between the contralateral asymptomatic hips of patients treated for unilateral SCFE and hips of an age- and sex-matched control population without a history of hip disease? METHODS: From January 2005 to May 2015, 442 patients underwent surgical treatment for SCFE at our institution...
April 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29479171/a-13-year-old-girl-with-fever-and-limp
#11
Stacy Yeh, Joseph Vayalumkal, Dominique Eustace
No abstract text is available yet for this article.
March 2017: Paediatrics & Child Health
https://www.readbyqxmd.com/read/29478209/muscle-pedicle-bone-grafting-using-the-anterior-one-third-of-the-gluteus-medius-attached-to-the-greater-trochanter-for-treatment-of-association-research-circulation-osseous-stage-ii-osteonecrosis-of-the-femoral-head
#12
Kyu-Jin Cho, Kyung-Soon Park, Taek-Rim Yoon
PURPOSE: The aim of this study was to evaluate the effectiveness of our technique on further collapse of the femoral head in Association Research Circulation Osseous (ARCO) stage II, patient's functional improvements, and analyze the survival rate of the affected hip. METHODS: Between June 2007 and March 2015, 24 hips diagnosed with osteonecrosis of the femoral head (ONFH) were treated with our muscle pedicle bone grafting (MPBG) technique using anterior one-third of gluteus medius attached to the greater trochanter...
February 24, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29477516/technical-note-the-development-of-a-reliable-5-point-gait-scoring-system-for-use-in-dairy-goats
#13
L E Deeming, N J Beausoleil, K J Stafford, J R Webster, G Zobel
Numerical rating scales are frequently used in gait scoring systems as indicators of lameness in dairy animals. The gait scoring systems commonly used in dairy goats are based on 4-point scales that focus on detecting and judging the severity of a definite limp. An uneven gait, such as a shortened stride or not "tracking up," is arguably the precursor to the development of a limp; thus, identifying such changes in gait could provide opportunity for early treatment. The objectives of this study were (1) to develop a 5-point gait scoring system that included an "uneven gait" category and compare the distribution of gait scores generated using this system to scores generated using a 4-point system, and (2) to determine whether this system could be reliably used...
May 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29471560/knochensarkome
#14
Jendrik Hardes, Georg Gosheger, Timo Budny
Bone sarcomas are extremely rare representing approximately 0.2% among all cancer types. Due to the rarity of these tumors both the patients and the physicians can overlook or misinterpret the first often unspecific symptoms of these tumors (pain, limping and swelling). Therefore, radiographic examination (X-ray and/or MRI) of the involved region in case of inexplicable symptoms is strongly recommended. The most common primary malignant bone tumor entity is osteosarcoma, followed by chondrosarcoma and Ewing sarcoma...
February 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29456755/preliminary-results-of-an-anteverting-triple-periacetabular-osteotomy-for-the-treatment-of-hip-instability-in-down-syndrome
#15
D A Maranho, Y-J Kim, K A Williams, E N Novais
Purpose: To investigate the outcomes of an anteverting triple periacetabular osteotomy for the treatment of hip instability in skeletally immature patients with Down syndrome. Methods: We evaluated 16 patients (21 hips) with Down syndrome and hip instability who underwent an anteverting triple periacetabular osteotomy between 2007 and 2016. There were nine females and seven males with an average age of 7.4 years SD 2.0. We assessed the level of hip pain, gait ability and clinical stability at a minimum of one year after surgery...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29409072/the-acutely-limping-preschool-and-school-age-child-an-imaging-perspective
#16
Apeksha Chaturvedi, Usa Cain, Andrey Rupasov
Acute limp in a child presents a diagnostic conundrum and can result from a variety of causes. The underlying etiology is often referable to the hip, but the spine, abdomen, pelvis, or knee can be alternatively implicated. An adequate clinical history and satisfactory physical examination are often difficult in younger children. Consequently, there is disproportionate reliance on imaging to arrive at the correct diagnosis. The potential for rapid clinical deterioration and long-term sequelae is a risk with some of the conditions presenting with acute hip (septic hip, osteomyelitis)...
February 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29395524/recipient-vaccine-associated-paralytic-poliomyelitis-in-china-2010-2015
#17
Wendi Wu, Huaqing Wang, Keli Li, J Pekka Nuorti, Dawei Liu, Disha Xu, Jiakai Ye, Jingshan Zheng, Chunxiang Fan, Ning Wen, Zhijie An
INTRODUCTION: Vaccine-associated paralytic poliomyelitis (VAPP) is one of the most important adverse effects of vaccines that are in current use globally. The Chinese national adverse event following immunization information system (CNAEFIS) is a passive surveillance system which collects data on VAPP. AIMS: To describe the epidemiological characteristics of VAPP and estimate the risk of recipient VAPP in China. METHODS: We retrieved information from reported cases of recipient VAPP from CNAEFIS from 2010 to 2015, examined the demographic characteristics of the cases, and used administrative data on vaccination doses and the estimated number of births as denominators to calculate VAPP incidence...
February 21, 2018: Vaccine
https://www.readbyqxmd.com/read/29394484/non-traumatic-limp-and-fever-in-a-school-age-child
#18
Tedra S Smith
No abstract text is available yet for this article.
March 2017: Pediatric Nursing
https://www.readbyqxmd.com/read/29390371/an-intradural-extramedullary-bronchogenic-cyst-in-the-thoracolumbar-spine-a-case-report
#19
Hyeok Dong Lee, Seung Hoon Han, Si-Bog Park, Yong Ko, Kyu Hoon Lee
RATIONALE: We report the symptoms beginning with weakness and the clinical courses of a patient who was diagnosed with an intradural extramedullary bronchogenic cyst. PATIENT CONCERNS: The patient was a 44-year-old man visited the Department of Physical Medicine and Rehabilitation for walking difficulties characterized by limping due to muscle weakness of left lower extremity for 5 months and atrophy in left calf muscle. DIAGNOSES: Lumbar spine MRI was repeated, since radiating pain in the left hip and posterior thigh with low back pain developed 16 months later...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29374967/association-between-second-metatarsal-length-and-forefoot-loading-under-the-second-metatarsophalangeal-joint
#20
Adam E Fleischer, Shenche Hshieh, Ryan T Crews, Brett J Waverly, Jacob M Jones, Erin E Klein, Lowell Weil, Lowell Scott Weil
BACKGROUND: Metatarsal length is believed to play a role in plantar plate dysfunction, although the mechanism through which progressive injury occurs is still uncertain. We aimed to clarify whether length of the second metatarsal was associated with increased plantar pressure measurements in the forefoot while walking. METHODS: Weightbearing radiographs and corresponding pedobarographic data from 100 patients in our practice walking without a limp were retrospectively reviewed...
January 1, 2018: Foot & Ankle International
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