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https://www.readbyqxmd.com/read/29223628/five-and-10-year-follow-up-of-nonvascularized-toe-phalanx-transfers
#1
Hidehiko Kawabata, Daisuke Tamura
PURPOSE: The purpose of this study was to evaluate long-term outcomes of nonvascularized toe phalanx transfer. METHODS: We retrospectively reviewed 54 nonvascularized toe phalanx transfers in 29 children with symbrachydactyly. Forty-seven transfers in 24 children were evaluated at 5-year follow-up and 27 transfers in 14 children were evaluated at 10-year follow-up. We recorded the incidence of the early physeal closure and the length of the transferred toe phalanx on plain radiographs at 5- and 10-year follow-up...
December 6, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29221904/tensile-behaviour-of-individual-fibre-bundles-in-the-human-lumbar-anulus-fibrosus
#2
Diana T Pham, Joe G Shapter, John J Costi
Disc degeneration is a common medical affliction whose origins are not fully understood. An improved understanding of its underlying mechanisms could lead to the development of more effective treatments. The aim of this paper was to investigate the effect of (1) degeneration, (2) circumferential region and (3) strain rate on the microscale mechanical properties (toe region modulus, linear modulus, extensibility, phase angle) of individual fibre bundles in the anulus fibrosus lamellae of the human intervertebral disc...
November 28, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29221903/discrete-element-analysis-is-a-valid-method-for-computing-joint-contact-stress-in-the-hip-before-and-after-acetabular-fracture
#3
Kevin C Townsend, Holly D Thomas-Aitken, M James Rudert, Andrew M Kern, Michael C Willey, Donald D Anderson, Jessica E Goetz
Evaluation of abnormalities in joint contact stress that develop after inaccurate reduction of an acetabular fracture may provide a potential means for predicting the risk of developing post-traumatic osteoarthritis. Discrete element analysis (DEA) is a computational technique for calculating intra-articular contact stress distributions in a fraction of the time required to obtain the same information using the more commonly employed finite element analysis technique. The goal of this work was to validate the accuracy of DEA-computed contact stress against physical measurements of contact stress made in cadaveric hips using Tekscan sensors...
November 16, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29219953/specific-retinal-phenotype-in-early-iqcb1-related-disease
#4
A Vincent, A AlAli, H MacDonald, C VandenHoven, E Héon
PurposeTo describe the ocular and systemic phenotype in IQCB1-related disease.MethodsFour cases (3 males, 1 female) with molecularly confirmed IQCB1-related disease underwent ophthalmological examination including best-corrected visual acuity (BCVA) measurement, fundus evaluation, electroretinography (ERG), and spectral-domain optical coherence tomography (SD-OCT). Systemic evaluation including abdominal ultrasound was performed in all cases.ResultsBCVA ranged from perception of light (Case-2; 1 year) to 20/125 (Case-1; 9 years)...
December 8, 2017: Eye
https://www.readbyqxmd.com/read/29218309/kinematic-changes-during-prolonged-fast-walking-in-old-and-young-adults
#5
Camila Fonseca Oliveira, Edgar Ramos Vieira, Filipa Manuel Machado Sousa, João Paulo Vilas-Boas
Walking biomechanics is known to be influenced by speed. However, most of the research examining the effects of walking speed and gait characteristics has been conducted after a fast-walking task, neglecting the changes that may occur during the task. The aim of the present study was to determine the impact of fast-walking over time on kinematics in young and old adults. Twenty-seven young adults (26.6 ± 6.0 years) and 23 old adults (71.0 ± 5.6 years) walked at 70% of their maximum heart rate for 20 min or until exhaustion, and the effects of fast-walking on temporospatial parameters and on angular kinematics were analyzed during the activity...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29218293/acral-hypomelanocytic-melanoma-of-left-great-toe-a-rare-cancer
#6
Mohd Altaf Mir, Varun Chauhan, Ali Adil Mahmud, Lalit Mohan Bariar, Suhailur Rehman
No abstract text is available yet for this article.
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29217649/an-unusual-cause-of-hypoxia-getting-to-the-heart-of-the-matter
#7
Daniel Hammersley, Aamire Shamsi, Mohammad Murtaza Zaman, Phillip Berry, Lydia Sturridge
A 63 year old female presented to hospital with progressive exertional dyspnoea over a 6 month period. In the year preceding her admission, she reported an intercurrent history of abdominal pain, diarrhoea and weight loss. She was found to be hypoxic, the cause for which was initially unclear. A ventilation-perfusion scan identified a right-to-left shunt. Transoesophageal echocardiography (TOE) demonstrated a significant right-to-left intracardiac shunt through a patent foramen ovale (PFO); additionally severe tricuspid regurgitation was noted through a highly abnormal tricuspid valve...
December 7, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/29216701/-a-cadaveric-study-of-a-new-capsulorrhaphy-for-the-surgical-treatment-of-hallux-valgus
#8
S L Orozco-Villaseñor, M Monzó-Planella, X Martín-Oliva, J Vázquez-Escamilla, J J Mayagoitia-Vázquez, J E Frías-Chimal
BACKGROUND: There are many surgical options for the treatment of hallux valgus in combination with capsular repairs for the correction of hallux valgus. MATERIAL AND METHODS: This report corresponds to a descriptive study where a new capsulorrhaphy technique in hallux valgus is proposed. Six dissections were performed on cadavers with hallux valgus deformity using the following surgical technique: medial approach on the first toe longitudinally, dissecting by planes and locating the metatarsophalangeal joint capsule; it was incised longitudinally...
May 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29216267/altered-postural-sway-following-fatiguing-foot-muscle-exercises
#9
Keiji Koyama, Junichiro Yamauchi
This study investigated the acute effects of fatiguing foot muscle exercises on the maximum muscle strength of the foot and postural control ability. Eighteen healthy young individuals performed fatiguing foot muscle strength exercises, and their toe flexor and ankle plantar flexor strength and postural control ability were measured before and after the exercises. Postural control ability was evaluated using the path of the center of pressure (COP) during three balance tasks: double-leg standing with eyes open; double-leg standing with eyes closed; and single-leg standing with eyes open...
2017: PloS One
https://www.readbyqxmd.com/read/29214798/gecko-inspired-dry-adhesive-based-on-micro-nanoscale-hierarchical-arrays-for-application-in-climbing-devices
#10
Hemant Kumar Raut, Avinash Baji, Hassan Hussein Hariri, Hashina Parveen, Gim Song Soh, Hong Yee Low, Kristin L Wood
The unusual ability of geckos to climb vertical walls underlies a unique combination of hierarchical structural design and a stiffer material composition. While a dense array of microscopic hierarchical structures enable the gecko toe pads to adhere to various surfaces, a stiffer material (beta-keratin) composition enables them to maintain reliable adhesion over innumerable cycles. This unique strategy has been seldom implemented in engineered dry-adhesives because fabrication of high aspect ratio hierarchical structures using a stiffer polymer is challenging...
December 7, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29210020/effects-of-visual-and-cognitive-interference-on-joint-contributions-in-perturbed-standing-a-temporal-and-spectral-analysis
#11
Mohammed N Ashtiani, Mahmood-Reza Azghani
Postural balance requires using joint strategies which may be changed from normal conditions by interfering with the sensory information. The goal of the present study was to quantitatively evaluate the role of the joint mechanisms during perturbed stance. Visual and cognitive interference was imposed to sixteen healthy young males under rotational toes-down or up perturbations. Power spectral analysis was employed to distinguish the joint contribution and their in- or out-phase co-works. Results showed that addition of cognitive loads reduce the stability by increasing the center of mass (CoM) power to three times greater...
December 5, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/29209412/minor-physical-anomalies-in-neurodevelopmental-disorders-a-twin-study
#12
Lynnea Myers, Britt-Marie Anderlid, Ann Nordgren, Charlotte Willfors, Ralf Kuja-Halkola, Kristiina Tammimies, Sven Bölte
Background: Minor physical anomalies (MPAs) are subtle anatomical deviations in one's appearance and may suggest altered embryogenesis. MPAs have been shown to be more common in neurodevelopmental disorders (NDDs) compared with typical development. Still, further studies are needed on MPAs in NDDs, especially using twins to adjust for confounding familial factors. Methods: Clinical assessments were conducted on 116 twins (61 NDD, 55 controls) from 51 monozygotic and 7 dizygotic pairs to examine MPAs and their association with DSM-5 defined NDDs...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/29208888/polyarthritis-is-a-rare-manifestation-of-pachydermoperiostosis-a-case-report
#13
M F Ahmmed, M N Shazzad, S Ferdous, A K Azad, S A Haq
Pachydermoperiostosis or primary hypertrophic osteoarthropathy, also known as Touraine-Solente-Gole syndrome, is a rare process, frequently inherited. In its complete form it is characterized by pachydermia (thickening of the skin), skeletal changes (periostosis) and acropachia (digital clubbing). Diagnosis can be made considering the typical clinical features and the histological feature. We report a patient of 25-year old man presented with joint pain involving in multiple joints for last 7 years and progressive enlargement of his hands and feet with profuse sweating of palms and soles for last 4 years...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29205933/a-highly-selective-3d-spiked-ultraflexible-neural-sun-interface-for-decoding-peripheral-nerve-sensory-information
#14
Jiahui Wang, Xin Yuan Thow, Hao Wang, Sanghoon Lee, Kai Voges, Nitish V Thakor, Shih-Cheng Yen, Chengkuo Lee
Artificial sensors on the skin are proposed as a way to capture information that can be used in intracortical microstimulation or peripheral intraneural stimulation to restore sensory feedback to persons with tetraplegia. However, the ability of these artificial sensors to replicate the density and complexity of the natural mechanoreceptors is limited. One relatively unexplored approach is to make use of the signals from surviving tactile and proprioceptive receptors in existing limbs by recording from their transmitting axons within the primary sensory nerves...
December 4, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29204392/subungual-melanoma-is-not-so-rare-report-of-four-cases-from-india
#15
Archana Singal, Deepika Pandhi, Priyanka Gogoi, Chander Grover
Subungual melanoma (SUM) is an uncommon form of acral melanoma that arises within the nail matrix. The incidence for acral melanomas is similar worldwide, however, the proportion is higher in dark-skinned individuals. The subungual form represents approximately 2% of cutaneous non-sun-induced melanomas in the western world and up to 75% in Africans, 10% in Japanese, and 25% in the Chinese. No specific figures are available from the Indian subcontinent; however, the authors could trace three anecdotal case reports published over the last two decades...
November 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/29203308/magnetic-resonance-imaging-undetectable-epiduroscopic-hotspot-in-chronic-discogenic-back-pain-does-sinuvertebral-neuropathy-actually-exists
#16
Sung Ho Choi, Nitin Adsul, Hyeun Sung Kim, Jee-Soo Jang, Il-Tae Jang, Seong-Hoon Oh
BACKGROUND: The causes of chronic discogenic back pain have not yet been clearly identified. Neural ingrowth around the annulus is widely considered to be one of the possible cause. However, neuropathy around the annulus has yet to be observed visually. We report a case of a hotspot that was observed in an epiduroscopic view, but not in imaging findings. CASE DESCRIPTION: A 46-year-old woman was admitted with pain in the back, left buttock, and posterior thigh for 2 years...
December 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29203292/pitfalls-in-the-detection-of-citrullination-and-carbamylation
#17
REVIEW
M K Verheul, P A van Veelen, M A M van Delft, A de Ru, G M C Janssen, T Rispens, R E M Toes, L A Trouw
Carbamylation and citrullination are both post-translational modifications against which (auto)antibodies can be detected in sera of rheumatoid arthritis (RA) patients. Carbamylation is the chemical modification of a lysine into a homocitrulline, whereas citrullination is an enzymatic conversion of an arginine into a citrulline. It is difficult to distinguish between the two resulting amino acids due to similarities in structure. However, differentiation between citrulline and homocitrulline is important to understand the antigens that induce antibody production and to determine which modified antigens are present in target tissues...
December 1, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29202503/quantitative-analysis-and-development-of-the-fore-feet-of-arabian-foals-from-birth-to-1-year-of-age
#18
Babak Faramarzi, Allison Salinger, Andris Kaneps, Yvette Nout-Lomas, Holly Greene, Fanglong Dong
Objectives The goal of this study was to quantify external and internal anatomical characteristics of the foal foot throughout the first year of age. Methods Digital radiographs and photographs were taken bimonthly of the forefeet of nine Arabian foals, beginning at about 2 weeks of age until 12 months of age. Sixty-eight linear and angular variables were measured using NIH (National Institutes of Health) Image J software. Statistical analyses were performed using piecewise random coefficient model and p-values < 0...
November 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29200487/morton-s-neuroma-interdigital-neuralgia-treated-with-metatarsal-sliding-osteotomy
#19
Joonho Lee, Jeongyo Kim, Myoungjin Lee, Intak Chu, Sungjae Lee, Heuichul Gwak
Background: Morton's neuroma is a common cause of metatarsalgia and many treatments had been described in literature. However, there have been only a few reports that treat the neuroma with an osteotomy on the proximal, not distal portion of the metatarsal bone using a plate. This study describes the clinical outcome of sliding osteotomy on the proximal metatarsal bone for the treatment of Morton's neuroma. Materials and Methods: Sixty five consecutive patients (85 feet) who underwent surgery for Morton's neuroma between November 2010 and February 2013 were identified from hospital records to include in this retrospective study...
November 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29198231/effects-of-dietary-calcium-and-phosphorus-deficiency-and-subsequent-recovery-on-broiler-chicken-growth-performance-and-bone-characteristics
#20
A S Valable, A Narcy, M J Duclos, C Pomar, G Page, Z Nasir, M Magnin, M P Létourneau-Montminy
The ability of birds to modify dietary phosphorus utilisation when fed with low-phosphorus and calcium (Ca) diets was studied using different sequences of dietary phosphorus and Ca restriction (depletion) and recovery (repletion) during the grower and the finisher phases. A total of 3600 Ross 708 broilers were randomly divided into 10 replicate pens per treatment (60 per pen, six pens per block). Chicks were fed a common starter diet from days 0 to 10, then a grower control diet (C: 0.90% Ca, 0.39% non-phytate phosphorus, nPP), mid-level diet (M: 0...
December 4, 2017: Animal: An International Journal of Animal Bioscience
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