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https://www.readbyqxmd.com/read/28927566/low-rates-of-adverse-events-following-ambulatory-outpatient-total-hip-arthroplasty-at-a-free-standing-surgery-center
#1
Patrick C Toy, Matthew N Fournier, Thomas W Throckmorton, William M Mihalko
BACKGROUND: We proposed to determine the complication and hospital admission rates for patients with total hip arthroplasty (THA) done by a single surgeon in a stand-alone ambulatory surgical center with same-day discharge. Given the recent emphasis on bundled payments for a 90-day episode of care, this same time frame after surgery was chosen to determine patient outcomes. METHODS: The records of patients with THAs done through a direct anterior approach by a single surgeon at 2 separate ambulatory surgery centers were reviewed...
August 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28922561/reconciling-female-genital-circumcision-with-universal-human-rights
#2
John-Stewart Gordon
One of the most challenging issues in cross-cultural bioethics concerns the long-standing socio-cultural practice of female genital circumcision (FGC), which is prevalent in many African countries and the Middle East as well as in some Asian and Western countries. It is commonly assumed that FGC, in all its versions, constitutes a gross violation of the universal human rights of health, physical integrity, and individual autonomy and hence should be abolished. This article, however, suggests a mediating approach according to which one form of FGC, the removal of the clitoris foreskin, can be made compatible with the high demands of universal human rights...
September 18, 2017: Developing World Bioethics
https://www.readbyqxmd.com/read/28918301/mathematical-fundamentals-for-the-noise-immunity-of-the-genetic-code
#3
Elena Fimmel, Lutz Strüngmann
Symmetry is one of the essential and most visible patterns that can be seen in nature. Starting from the left-right symmetry of the human body, all types of symmetry can be found in crystals, plants, animals and nature as a whole. Similarly, principals of symmetry are also some of the fundamental and most useful tools in modern mathematical natural science that play a major role in theory and applications. As a consequence, it is not surprising that the desire to understand the origin of life, based on the genetic code, forces us to involve symmetry as a mathematical concept...
September 13, 2017: Bio Systems
https://www.readbyqxmd.com/read/28915093/sport-skill-specific-expertise-biases-sensory-integration-for-spatial-referencing-and-postural-control
#4
Michalis Thalassinos, Giorgos Fotiadis, Fotini Arabatzi, Brice Isableu, Vassilia Hatzitaki
The authors asked how sport expertise modulates visual field dependence and sensory reweighting for controlling posture. Experienced soccer athletes, ballet dancers, and nonathletes performed (a) a Rod and Frame test and (b) a 100-s bipedal stance task during which vision and proprioception were successively or concurrently disrupted in 20-s blocks. Postural adaptation was assessed in the mean center of pressure displacement, root mean square of center of pressure velocity and ankle muscles integrated electromyography activity...
September 15, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28895624/development-of-an-incremental-sit-to-stand-exercise-for-aerobic-fitness-evaluation
#5
Keisuke Nakamura, Yuya Nagasawa, Shoji Sawaki, Yoshiharu Yokokawa, Masayoshi Ohira
Incremental sit-to-stand exercise (ISTS) is an incremental exercise test using external signals to control the sit-to-stand rate in a given time frame. This study aimed to investigate the concurrent validity and reproducibility of the ISTS in aerobic fitness evaluation among healthy elderly women. Sixteen elderly women performed the ISTS and cycle ergometer test at 3-day to 2-week intervals, and six of the participants performed the ISTS twice. Peak oxygen uptake (VO2), peak heart rate and completion time on the ISTS and cycle ergometer test were determined...
September 11, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28890459/james-e-webb-technocracy-and-the-new-deal-roots-of-space-age-management
#6
Allan A Needell
abstract James E. Webb, NASA's Administrator during the hectic years preparing to send American astronauts to the Moon, has come to represent the pinnacle of postwar American optimism and support for large-scale, technically complex national undertakings. Success in 1969 lent credence to Webb's faith in "space age management." By the 1980s such "technocratic optimism" had precipitously declined. Since 1985, with the publication of Walter A. McDougall's Pulitzer Prize winning. . . The Heavens and the Earth, the rise and decline of such optimism has often been framed in the context of Cold War ideology and competition...
2017: Technology and Culture
https://www.readbyqxmd.com/read/28874580/molecular-mechanism-of-water-reorientational-slowing-down-in-concentrated-ionic-solutions
#7
Qiang Zhang, TianMin Wu, Chen Chen, Shaul Mukamel, Wei Zhuang
Water dynamics in concentrated ionic solutions plays an important role in a number of material and energy conversion processes such as the charge transfer at the electrolyte-electrode interface in aqueous rechargeable ion batteries. One long-standing puzzle is that all electrolytes, regardless of their "structure-making/breaking" nature, make water rotate slower at high concentrations. To understand this effect, we present a theoretical simulation study of the reorientational motion of water molecules in different ionic solutions...
September 5, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28814056/design-of-a-lightweight-tethered-torque-controlled-knee-exoskeleton
#8
Kirby Ann Witte, Andreas M Fatschel, Steven H Collins
Lower-limb exoskeletons show promise for improving gait rehabilitation for those with chronic gait abnormalities due to injury, stroke or other illness. We designed and built a tethered knee exoskeleton with a strong lightweight frame and comfortable, four-point contact with the leg. The device is structurally compliant in select directions, instrumented to measure joint angle and applied torque, and is lightweight (0.76 kg). The exoskeleton is actuated by two off-board motors. Closed loop torque control is achieved using classical proportional feedback control with damping injection in conjunction with iterative learning...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28809057/understanding-frames-a-uk-survey-of-parents-and-professionals-regarding-the-use-of-standing-frames-for-children-with-cerebral-palsy
#9
J Goodwin, A Colver, A Basu, S Crombie, D Howel, J R Parr, E McColl, N Kolehmainen, A Roberts, J Lecouturier, J Smith, K Miller, J Cadwgan
BACKGROUND: Standing frames are used for children with cerebral palsy (CP). They may improve body structure and function (e.g., reducing risk of hip subluxation, and improving bladder and bowel function), improving activity (e.g., motor abilities) and participation (e.g., interaction with peers), but there is little evidence that they do. We aimed to identify current UK standing frame practice for children with CP and to understand stakeholder views regarding their clinical benefits and challenges to use...
August 15, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28807362/leg-movement-tracking-in-automatic-video-based-one-leg-stance-evaluation
#10
Jacek Kawa, Paula Stępień, Wojciech Kapko, Aleksandra Niedziela, Jarosław Derejczyk
Falls are a major risk in elder population. Early diagnosis is therefore an important step towards increasing the safety of elders. One of the common diagnostic tests is the Berg Balance Scale (BBS), consisting of 14 exercises arranged from the easiest (sitting-to-standing) to the most demanding (one-leg stance). In this study a novel approach to the automatic assessment of the time in which the patient can remain in the one-leg stance position without loosing balance is introduced. The data is collected using a regular video camera...
August 3, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28791895/cluster-a-new-application-for-spatial-analysis-of-pixelated-data-for-epiphytotics
#11
Scot Nelson, Iulian Corcoja, Sarah Jane Pethybridge
Spatial analysis of epiphytotics is essential to develop and test hypotheses about pathogen ecology, disease dynamics, and to optimize plant disease management strategies. Data collection for spatial analysis requires substantial investment in time to depict patterns in various frames and hierarchies. We developed a new approach for spatial analysis of pixelated data in digital imagery and incorporated the method in a stand-alone desktop application called Cluster. The user isolates target entities (clusters) by designating up to 24 pixel colors as nontargets and moves a threshold slider to visualize the targets...
August 9, 2017: Phytopathology
https://www.readbyqxmd.com/read/28749589/precisely-assembled-cyclic-gold-nanoparticle-frames-by-2d-polymer-single-crystal-templating
#12
Shan Mei, Hao Qi, Tian Zhou, Christopher Y Li
In recent decades, extensive studies have been devoted to assembling nanoparticles (NPs) into various ordered structures to achieve novel optical properties. However, it still remains a challenging task to assemble NPs into cyclic one-dimensional (1D) shapes, such as rings and frames. Herein, we report a directed assembly method to precisely assemble NPs into well-defined, free-standing frames using polymer single crystals (PSCs) as the template. Preformed poly(ethylene oxide) (PEO) single crystals were used as the template to direct the crystallization of block copolymer (BCP) poly(ethylene oxide)-b-poly(4-vinylpyridine) (PEO-b-P4VP), which directs the gold NPs (AuNPs) to form AuNP frames...
July 27, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28728554/the-rise-and-fall-of-dental-therapy-in-canada-a-policy-analysis-and-assessment-of-equity-of-access-to-oral-health-care-for-inuit-and-first-nations-communities
#13
Victoria Leck, Glen E Randall
BACKGROUND: Inequality between most Canadians and those from Inuit and First Nations communities, in terms of both access to oral health care services and related health outcomes, has been a long-standing problem. Efforts to close this equity gap led to the creation of dental therapy training programs. These programs were designed to produce graduates who would provide services in rural and northern communities. The closure of the last dental therapy program in late 2011 has ended the supply of dental therapists and governments do not appear to have any alternative solutions to the growing gap in access to oral health care services between most Canadians and those from Inuit and First Nations communities...
July 20, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28713252/effect-of-postural-control-demands-on-early-visual-evoked-potentials-during-a-subjective-visual-vertical-perception-task-in-adolescents-with-idiopathic-scoliosis
#14
Yi-Tzu Chang, Ling-Fu Meng, Chun-Ju Chang, Po-Liang Lai, Chi-Wen Lung, Jen-Suh Chern
Subjective visual vertical (SVV) judgment and standing stability were separately investigated among patients with adolescent idiopathic scoliosis (AIS). Although, one study has investigated the central mechanism of stability control in the AIS population, the relationships between SVV, decreased standing stability, and AIS have never been investigated. Through event-related potentials (ERPs), the present study examined the effect of postural control demands (PDs) on AIS central mechanisms related to SVV judgment and standing stability to elucidate the time-serial stability control process...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28702796/accuracy-of-isolated-check-visual-evoked-potential-technique-for-diagnosing-primary-open-angle-glaucoma
#15
Li Juan Xu, Liang Zhang, Sha Ling Li, Vance Zemon, Gianni Virgili, Yuan Bo Liang
PURPOSE: The aim of this study was to determine the diagnostic accuracy, sensitivity and specificity of isolated-check visual evoked potentials (icVEP) in primary open-angle glaucoma (POAG). METHODS: Ninety POAG patients and sixty-six healthy controls were recruited consecutively. All subjects underwent icVEP and visual field testing. Swept icVEP response functions were obtained by increasing contrast in six stimulus steps, recording the electroencephalogram synchronized to the stimulus display's frame rate and calculating the corresponding signal-to-noise ratio (SNR) of the response at the fundamental frequency to evaluate visual function...
July 12, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28678926/late-results-of-cox-maze-iii-procedure-in-patients-with-atrial-fibrillation-associated-with-structural-heart-disease
#16
Gustavo Gir Gomes, Wagner Luis Gali, Alvaro Valentim Lima Sarabanda, Claudio Ribeiro da Cunha, Iruena Moraes Kessler, Fernando Antibas Atik
Background: Cox-Maze III procedure is one of the surgical techniques used in the surgical treatment of atrial fibrillation (AF). Objectives: To determine late results of Cox-Maze III in terms of maintenance of sinus rhythm, and mortality and stroke rates. Methods: Between January 2006 and January 2013, 93 patients were submitted to the cut-and-sew Cox-Maze III procedure in combination with structural heart disease repair. Heart rhythm was determined by 24-hour Holter monitoring...
July 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28664897/the-relativistic-foundations-of-synchrotron-radiation
#17
Giorgio Margaritondo, Johann Rafelski
Special relativity (SR) determines the properties of synchrotron radiation, but the corresponding mechanisms are frequently misunderstood. Time dilation is often invoked among the causes, whereas its role would violate the principles of SR. Here it is shown that the correct explanation of the synchrotron radiation properties is provided by a combination of the Doppler shift, not dependent on time dilation effects, contrary to a common belief, and of the Lorentz transformation into the particle reference frame of the electromagnetic field of the emission-inducing device, also with no contribution from time dilation...
July 1, 2017: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/28656079/construction-expression-purification-and-characterization-of-secretin-domain-of-pilq-and-triple-pila-related-disulfide-loop-peptides-fusion-protein-from-pseudomonas-aeruginosa
#18
Sobhan Faezi, Ahmad Reza Bahrmand, Seyed Davar Siadat, Iraj Nikokar, Soroush Sardari, Mehdi Mahdavi
OBJECTIVES: Infection with Pseudomonas aeruginosa has been a long-standing obstacle for clinical therapy due to the complexity of the genetics and pathogenesis, as well for widespread resistance to antibiotics, thus attaching great importance to explore effective vaccines for prevention and treatment. This paper focuses on the introduction of novel Pseudomonas aeruginosa type IV pili (T4P)-based fusion protein containing the secretin domain of PilQ and tandem PilA-related peptides. MATERIALS AND METHODS: We surveyed the expression of the PilQ380-705-PilA fusion protein in-frame with pET26b vector in which a rigid linker was used between two polypeptides and flexible linkers were inserted between the three tandem repeats and each pilA domains...
May 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28622756/effects-of-implied-motion-and-facing-direction-on-positional-preferences-in-single-object-pictures
#19
Stephen E Palmer, Thomas A Langlois
Palmer, Gardner, and Wickens studied aesthetic preferences for pictures of single objects and found a strong inward bias: Right-facing objects were preferred left-of-center and left-facing objects right-of-center. They found no effect of object motion (people and cars showed the same inward bias as chairs and teapots), but the objects were not depicted as moving. Here we measured analogous inward biases with objects depicted as moving with an implied direction and speed by having participants drag-and-drop target objects into the most aesthetically pleasing position...
July 2017: Perception
https://www.readbyqxmd.com/read/28606077/evaluation-of-gaussia-luciferase-and-foot-and-mouth-disease-virus-2a-translational-interrupter-chimeras-as-polycistronic-reporters-for-transgene-expression
#20
Michael Puckette, Thomas Burrage, John G Neilan, Max Rasmussen
BACKGROUND: The Gaussia princeps luciferase is used as a stand-alone reporter of transgene expression for in vitro and in vivo expression systems due to the rapid and easy monitoring of luciferase activity. We sought to simultaneously quantitate production of other recombinant proteins by transcriptionally linking the Gaussia princeps luciferase gene to other genes of interest through the foot-and-mouth disease virus 2A translational interrupter sequence. RESULTS: We produced six plasmids, each encoding a single open reading frame, with the foot-and-mouth disease virus 2A sequence placed either N-terminal or C-terminal to the Gaussia princeps luciferase gene...
June 12, 2017: BMC Biotechnology
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