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https://www.readbyqxmd.com/read/28719455/microscope-and-fiberscope-assisted-subarachnoid-subarachnoid-s-s-bypass-a-novel-surgical-technique-to-reestablish-cerebrospinal-fluid-flow-in-treating-dorsal-spinal-arachnoid-webs-diagnosed-by-cine-mri
#1
Yasushi Fujiwara, Hideki Manabe, Bunichiro Izumi, Takayuki Shima, Nobuo Adachi
A "dorsal spinal arachnoid web" is the thickened arachnoid band on the surface of the spinal cord which disturbs the cerebrospinal fluid (CSF) flow, known as a rare cause of thoracic myelopathy. The ideal treatment is controversial because of the risk of readhesion after simple resection of the web. A subarachnoid-subarachnoid bypass is a method to reestablish CSF flow through a silicon tube between the cranial and caudal subarachnoid space. This method is reported to be useful for traumatic syringomyelia, adhesive arachnoiditis, etc...
July 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28718973/constructing-a-multidimensional-free-energy-surface-like-a-spider-weaving-a-web
#2
Changjun Chen
Complete free energy surface in the collective variable space provides important information of the reaction mechanisms of the molecules. But, sufficient sampling in the collective variable space is not easy. The space expands quickly with the number of the collective variables. To solve the problem, many methods utilize artificial biasing potentials to flatten out the original free energy surface of the molecule in the simulation. Their performances are sensitive to the definitions of the biasing potentials...
July 18, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28718204/detrital-shadows-estuarine-food-web-connectivity-depends-on-fluvial-influence-and-consumer-feeding-mode
#3
Emily Howe, Charles A Simenstad, Andrea Ogston
We measured the influence of landscape setting on estuarine food web connectivity in five macrotidal Pacific Northwest estuaries across a gradient of freshwater influence. We used stable isotopes (δ(13) C, δ(15) N, δ(34) S) in combination with a Bayesian mixing model to trace primary producer contributions to suspension- and deposit-feeding bivalve consumers (Mytilus trossulus and Macoma nasuta) transplanted into three estuarine vegetation zones: emergent marsh, mudflat, Japanese eelgrass (Zostera japonica), and native eelgrass (Zostera marina)...
July 17, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28707642/teaching-procedural-skills-to-medical-students-a-pilot-procedural-skills-lab
#4
Laurence M Katz, Alexander Finch, Tyler McKinnish, Kurt Gilliland, Sue Tolleson-Rinehart, Bonita L Marks
BACKGROUND: Medical students have limited confidence in performing procedural skills. A pilot study was conducted to evaluate the effect of a multifaceted Procedural Skills Lab (PSL) on the confidence of medical students to perform procedural skills. METHODS: Twelve 2nd year medical students were randomly selected to participate in a pilot PSL. The PSL students met with an instructor for 2 h once a week for 4 weeks. Students participated in a flipped classroom and spaced education program before laboratory sessions that included a cadaver laboratory...
January 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28669103/disease-modifying-anti-rheumatic-drug-effect-of-denosumab-on-radiographic-progression-in-rheumatoid-arthritis-a-systematic-review-of-the-literature
#5
Gonçalo Boleto, Moustapha Dramé, Isabelle Lambrecht, Jean-Paul Eschard, Jean-Hugues Salmon
The aim of this study was to evaluate the structural effect of denosumab on patients with rheumatoid arthritis (RA). We performed a systematic review of the literature in the following databases: PubMed, Cochrane, Web of Science, ClinicalTrials.gov , and the WHO International Clinical Trials Registry Platform. All studies evaluating the structural effect of denosumab on RA and meeting predefined criteria were included. Data regarding disease activity, progression of joint damage, joint space narrowing, and safety were recorded...
July 1, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28652720/development-of-a-training-program-to-support-health-care-professionals-to-deliver-the-space-for-copd-self-management-program
#6
Claire Blackmore, Vicki L Johnson-Warrington, Johanna Ea Williams, Lindsay D Apps, Hannah Ml Young, Claire LA Bourne, Sally J Singh
BACKGROUND: With the growing burden of COPD and associated morbidity and mortality, a need for self-management has been identified. The Self-management Programme of Activity, Coping and Education for Chronic Obstructive Pulmonary Disease (SPACE for COPD) manual was developed to support self-management in COPD patients. Currently, there is no literature available regarding health care professionals' training needs when supporting patients with COPD on self-management. AIM: This study sought to identify these needs to inform, design and develop a training program for health care professionals being trained to deliver a self-management program in COPD...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28650700/the-size-and-scope-of-collegiate-athletic-training-facilities-and-staffing
#7
Andrew R Gallucci, Jeffrey C Petersen
CONTEXT:   Athletic training facilities have been described in terms of general design concepts and from operational perspectives. However, the size and scope of athletic training facilities, along with staffing at different levels of intercollegiate competition, have not been quantified. OBJECTIVE:   To define the size and scope of athletic training facilities and staffing levels at various levels of intercollegiate competition. To determine if differences existed in facilities (eg, number of facilities, size of facilities) and staffing (eg, full time, part time) based on the level of intercollegiate competition...
June 26, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28637917/degree-heterogeneity-and-stability-of-ecological-networks
#8
Gang Yan, Neo D Martinez, Yang-Yu Liu
A classic measure of ecological stability describes the tendency of a community to return to equilibrium after small perturbations. While many advances show how the network architecture of these communities severely constrains such tendencies, one of the most fundamental properties of network structure, i.e. degree heterogeneity-the variability of the number of links associated with each species, deserves further study. Here we show that the effects of degree heterogeneity on stability vary with different types of interspecific interactions...
June 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28623024/functional-diversity-of-aquatic-ciliates
#9
REVIEW
Thomas Weisse
This paper first reviews the concept of functional diversity in general terms and then applies it to free-living aquatic ciliates. Ciliates are extremely versatile organisms and display an enormous functional diversity as key elements of pelagic food webs, acting as predators of bacteria, algae, other protists and even some metazoans. Planktonic ciliates are important food for zooplankton, and mixotrophic and functionally autotrophic species may significantly contribute to primary production in the ocean and in lakes...
April 13, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/28617645/the-implications-of-eco-evolutionary-processes-for-the-emergence-of-marine-plankton-community-biogeography
#10
Boris Sauterey, Ben Ward, Jonathan Rault, Chris Bowler, David Claessen
Models of community assembly have been used to illustrate how the many functionally diverse species that compose plankton food webs can coexist. However, the evolutionary processes leading to the emergence of plankton food webs and their interplay with migratory processes and spatial heterogeneity are yet to be explored. We study the eco-evolutionary dynamics of a modeled plankton community structured in both size and space and physiologically constrained by empirical data. We demonstrate that a complex yet ecologically and evolutionarily stable size-structured food web can emerge from an initial set of two monomorphic phytoplankton and zooplankton populations...
July 2017: American Naturalist
https://www.readbyqxmd.com/read/28610996/from-cheminformatics-to-structure-based-design-web-services-and-desktop-applications-based-on-the-naomi-library
#11
Stefan Bietz, Therese Inhester, Florian Lauck, Kai Sommer, Mathias M von Behren, Rainer Fährrolfes, Florian Flachsenberg, Agnes Meyder, Eva Nittinger, Thomas Otto, Matthias Hilbig, Karen T Schomburg, Andrea Volkamer, Matthias Rarey
Nowadays, computational approaches are an integral part of life science research. Problems related to interpretation of experimental results, data analysis, or visualization tasks highly benefit from the achievements of the digital era. Simulation methods facilitate predictions of physicochemical properties and can assist in understanding macromolecular phenomena. Here, we will give an overview of the methods developed in our group that aim at supporting researchers from all life science areas. Based on state-of-the-art approaches from structural bioinformatics and cheminformatics, we provide software covering a wide range of research questions...
June 10, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28600279/frequencies-of-private-mentions-and-sharing-of-mammography-and-breast-cancer-terms-on-facebook-a-pilot-study
#12
Marco Huesch, Alison Chetlen, Joel Segel, Susann Schetter
BACKGROUND: The most popular social networking site in the United States is Facebook, an online forum where circles of friends create, share, and interact with each other's content in a nonpublic way. OBJECTIVE: Our objectives were to understand (1) the most commonly used terms and phrases relating to breast cancer screening, (2) the most commonly shared website links that other women interacted with, and (3) the most commonly shared website links, by age groups...
June 9, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28593723/imbalanced-nutrient-recycling-in-a-warmer-ocean-driven-by-differential-response-of-extracellular-enzymatic-activities
#13
Begoña Ayo, Naiara Abad, Itxaso Artolozaga, Iñigo Azua, Zuriñe Baña, Marian Unanue, Josep M Gasol, Carlos M Duarte, Juan Iriberri
Ocean oligotrophication concurrent with warming weakens the capacity of marine primary producers to support marine food webs and act as a CO2 sink, and is believed to result from reduced nutrient inputs associated to the stabilization of the thermocline. However, nutrient supply in the oligotrophic ocean is largely dependent on the recycling of organic matter. This involves hydrolytic processes catalyzed by extracellular enzymes released by bacteria, which temperature-dependence has not yet been evaluated. Here we report a global assessment of the temperature-sensitivity, as represented by the activation energies (Ea ), of extracellular β-glucosidase (βG), leucine aminopeptidase (LAP) and alkaline phosphatase (AP) enzymatic activities, which enable the uptake by bacteria of substrates rich in carbon, nitrogen and phosphorus, respectively...
June 7, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28588530/do-online-privacy-concerns-predict-selfie-behavior-among-adolescents-young-adults-and-adults
#14
Amandeep Dhir, Torbjørn Torsheim, Ståle Pallesen, Cecilie S Andreassen
Selfies, or self-portraits, are often taken and shared on social media for online self-presentation reasons, which are considered essential for the psychosocial development and well-being of people in today's culture. Despite the growing popularity and widespread sharing of selfies in the online space, little is known about how privacy concerns moderate selfie behavior. In addition to this, it is also not known whether privacy concerns across age and gender groups influence selfie behavior. To address this timely issue, a survey assessing common selfie behaviors, that is, frequency of taking (individual and group selfies), editing (cropping and filtering), and posting selfies online, and social media privacy concerns (over personal data being accessed and misused by third parties) was conducted...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28585719/toward-a-community-ecology-of-landscapes-predicting-multiple-predator-prey-interactions-across-geographic-space
#15
Oswald J Schmitz, Jennifer R B Miller, Anne M Trainor, Briana Abrahms
Community ecology was traditionally an integrative science devoted to studying interactions between species and their abiotic environments in order to predict species' geographic distributions and abundances. Yet for philosophical and methodological reasons it has become divided into two enterprises: one devoted to local experimentation on species interactions to predict community dynamics; the other devoted to statistical analyses of abiotic and biotic information to describe geographic distribution. Our goal here is to instigate thinking about ways to reconnect the two enterprises and thereby return to a tradition to do integrative science...
June 6, 2017: Ecology
https://www.readbyqxmd.com/read/28585437/a-new-species-of-the-genus-amolops-anura-ranidae-from-high-altitude-sichuan-southwestern-china-with-a-discussion-on-the-taxonomic-status-of-amolops-kangtingensis
#16
Liang Fei, Chang-Yuan Ye, Yu-Fan Wang, Ke Jiang
A new species of the genus Amolops Cope, 1865 is described from Xinduqiao, Kangding, Sichuan. It was previously identified as Amolops kangtingensis, which is synonymized to Amolops mantzorum in this study. The new species, Amolops xinduqiao sp. nov., is distinguished from all other congeners by the following combination of characters: (1) medium body size, adult males SVL 41.2-47.5 mm ( n=15, average 43.9 mm), adult females SVL 48.5-56.6 mm ( n=15, average 52.5 mm); (2) head length equal to width or slightly wider than long; (3) tympanum small, but distinct; (4) vomerine teeth in two tiny rows, separated by a space about one vomerine teeth row; (5) bony projections on lower jaw absent; (6) dorsolateral folds usually absent; (7) tarsal folds or glands on tarsus absent; (8) circummarginal groove on disc of finger I absent; (9) tibiotarsal articulation reaching nostril or beyond; (10) webs of toe IV reaching to distal articulation, other toes fully webbed to disc; and (11) vocal sac absent in males...
May 18, 2017: Zoological Research
https://www.readbyqxmd.com/read/28569543/the-effects-of-attractiveness-and-source-expertise-on-online-health-sites
#17
Wan S Jung, Mun-Young Chung, E Soo Rhee
The surface characteristics (presentational or design elements) of online content have been the focus of a growing body of credibility literature in recent decades. However, since the online health information communities such as WebMD do not provide any design options when writing comments on the original post, how the simplistic presentational of comments (e.g., spacing, bullet-points, labeling, and line breaks) can affect web users' responses was examined. Our study found that minimal variations in the presentation of online contents can influence assessments of their credibility and behavioral intentions...
June 1, 2017: Health Communication
https://www.readbyqxmd.com/read/28546958/effect-of-functional-appliances-on-the-airway-dimensions-in-patients-with-skeletal-class-ii-malocclusion-a-systematic-review
#18
Annapurna Kannan, Haritha Pottipalli Sathyanarayana, Sridevi Padmanabhan
OBJECTIVES: The aim of the present systematic review was to assess the effect of functional appliances on the airway dimensions in patients with skeletal Class II malocclusion. MATERIALS AND METHODS: Articles were identified through a literature survey carried out through the following databases: (1) PUBMED, (2) Google Scholar, (3) The Cochrane Library, (4) Embase, (5) Lilac, and (6) Web of Scholars. The systematic review analyzed 12 articles comprising removable functional appliances, 3 articles with fixed functional appliances, and 2 articles having both fixed and removable functional appliances...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28542601/the-epidemiology-of-staphylococcus-aureus-carriage-in-patients-attending-inner-city-sexually-transmitted-infections-and-community-clinics-in-calgary-canada
#19
Alejandra Ugarte Torres, Angel Chu, Ron Read, Judy MacDonald, Daniel Gregson, Thomas Louie, Johanna Delongchamp, Linda Ward, Joann McClure, Kunyan Zhang, John Conly
BACKGROUND: Although the nares represent the most common carriage site for traditional hospital-associated strains of Staphylococcus aureus (SA), the predominant site of carriage of SA in the community is less certain. METHODS: We conducted a cross-sectional study in 285 patients attending sexually transmitted diseases and inner-city clinics to evaluate the prevalence, body site colonisation and risk factors associated with carriage of methicillin susceptible SA (MSSA)...
2017: PloS One
https://www.readbyqxmd.com/read/28532485/multidimensional-scaling-of-diffuse-gliomas-application-to-the-2016-world-health-organization-classification-system-with-prognostically-relevant-molecular-subtype-discovery
#20
Patrick J Cimino, Michael Zager, Lisa McFerrin, Hans-Georg Wirsching, Hamid Bolouri, Bettina Hentschel, Andreas von Deimling, David Jones, Guido Reifenberger, Michael Weller, Eric C Holland
Recent updating of the World Health Organization (WHO) classification of central nervous system (CNS) tumors in 2016 demonstrates the first organized effort to restructure brain tumor classification by incorporating histomorphologic features with recurrent molecular alterations. Revised CNS tumor diagnostic criteria also attempt to reduce interobserver variability of histological interpretation and provide more accurate stratification related to clinical outcome. As an example, diffuse gliomas (WHO grades II-IV) are now molecularly stratified based upon isocitrate dehydrogenase 1 or 2 (IDH) mutational status, with gliomas of WHO grades II and III being substratified according to 1p/19q codeletion status...
May 22, 2017: Acta Neuropathologica Communications
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