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https://www.readbyqxmd.com/read/28550106/the-fibrous-cellular-microenvironment-and-how-cells-make-sense-of-a-tangled-web
#1
Delaram Shakiba, Behzad Babaei, Fatemeh Saadat, Stavros Thomopoulos, Guy M Genin
No abstract text is available yet for this article.
May 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28549778/stepwise-introduction-of-the-best-care-always-central-line-associated-bloodstream-infection-prevention-bundle-in-a-network-of-south-african-hospitals
#2
Guy A Richards, Adrian J Brink, Angeliki P Messina, Charles Feldman, Karin Swart, Dena van den Bergh
BACKGROUND: Health care associated infection (HAI) remains a major international problem. AIM: The "Best Care Always!" (BCA) campaign, was launched in South Africa to reduce common preventable HAI, including catheter associated bloodstream infection (CLABSI). METHODS: The intervention occurred in 43 Netcare Private Hospitals increasing later to 49 with 958 ICU and 439 high care (HC) beds and 1207 ICU and 493 HC beds, respectively. .Phase 1: April 2010-March 2011: ICU Infection Prevention and Control (IPC) nurse driven change: Commitment from management and doctors and training of IPC nurses...
May 23, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28548591/test-retest-reliability-of-cortical-language-mapping-in-a-patient-with-refractory-focal-epilepsy-11-years-later
#3
Kirsty E Bortnik, Guy M McKhann, Marla J Hamberger
Electrical stimulation mapping (ESM) is considered the gold standard for identification of essential language cortex and is especially important in patients for whom classic language landmarks are less useful because of reorganization in response to epileptogenic or neoplastic cortex. However, little is known regarding the reliability of the procedure, particularly over extended time intervals. The authors present the case of a young man with refractory left temporal lobe epilepsy in the setting of a low-grade left temporal tumor who had undergone intraoperative language mapping at age 14 years and repeat mapping at age 25...
May 26, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28547890/influence-of-various-stressors-on-the-expression-of-core-genes-of-the-small-interfering-rna-pathway-in-the-oriental-fruit-fly-bactrocera-dorsalis
#4
Yi-Fei Xie, Jin-Zhi Niu, Xuan-Zhao Jiang, Wen-Jia Yang, Guang-Mao Shen, Dong Wei, Guy Smagghe, Jin-Jun Wang
RNA interference (RNAi)-based technology has emerged as a potential tool for controlling insect pests, however, previous studies found that the efficiency of RNAi in Bactrocera dorsalis was variable. In nature, insects often meet various challenges, such as pathogen infections, extreme temperatures, lack of nutrition and heavy metals. To better understand the association of the stressors with efficiency of RNAi, in the current study we tested the expression of three core genes, dicer2 (Bddcr2), r2d2 (Bdr2d2) and argonaute2 (Bdago2), of the small interfering RNA (siRNA) pathway of B...
June 2017: Insect Science
https://www.readbyqxmd.com/read/28547813/salix-arctica-changes-root-distribution-and-nutrient-uptake-in-response-to-subsurface-nutrients-in-high-arctic-deserts
#5
Amanda L Guy, Sarah P Hardy, Steven D Mamet, Mitsuaki Ota, Eric G Lamb, Steven D Siciliano
Moisture is critical for plant success in polar deserts but not by the obvious pathway of reduced water stress. We hypothesized that an indirect, nutrient-linked, pathway resulting from unique water/frozen soil interactions in polar deserts creates nutrient-rich patches critical for plant growth. These nutrient-rich patches (diapirs) form deep in high arctic polar deserts soils from water accumulating at the permafrost freezing front and ultimately rising into the upper soil horizons through cryoturbated convective landforms (frost boils)...
May 26, 2017: Ecology
https://www.readbyqxmd.com/read/28547539/cultivation-of-scenedesmus-dimorphus-using-anaerobic-digestate-as-a-nutrient-medium
#6
Husam A Abu Hajar, R Guy Riefler, Ben J Stuart
In this study, the microalga Scenedesmus dimorphus was cultivated phototrophically using unsterilized anaerobic digestate as a nutrient medium. A bench-scale experiment was conducted by inoculating the microalga S. dimorphus with 0.05-10% dilutions of the anaerobic digestate supernatant. It was found that 1.25-2.5% dilutions, which is equivalent to 50-100 mg N/L total nitrogen concentrations and 6-12 mg P/L total phosphorus concentrations, provided sufficient nutrients to maximize the growth rate along with achieving high concentrations of algal biomass...
May 25, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28546868/evaluation-of-porcine-reproductive-and-respiratory-syndrome-stabilization-protocols-in-23-french-farrow-to-finish-farms-located-in-a-high-density-swine-area
#7
Pauline Berton, Valérie Normand, Guy-Pierre Martineau, Franck Bouchet, Arnaud Lebret, Agnès Waret-Szkuta
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) is responsible for reproductive disorders in sows and respiratory problems in pigs, and has a major economic impact. Controlling PRRSV is therefore a priority for the swine industry. Stabilization of a herd, defined as the production of PRRSV-negative pigs at weaning from seropositive sows, is a common method of control, and different protocols have been described in the literature to achieve this stabilization. CONTEXT AND PURPOSE: The objective of this study was to evaluate wether the combination of mass vaccination of sows and their piglets with a Genotype I modified live virus (MLV) vaccine, with temporal closure to the introduction of replacement animals and unidirectional pig and human flow can result in the production of PRRSV-negative pigs at weaning...
2017: Porcine Health Management
https://www.readbyqxmd.com/read/28546866/a-diagnostic-protocol-designed-for-determining-allergic-causes-in-patients-with-blood-eosinophilia
#8
Jean-François Magnaval, Guy Laurent, Noémie Gaudré, Judith Fillaux, Antoine Berry
BACKGROUND: Blood eosinophilia is a common laboratory abnormality, and its characterization frequently represents a quandary for primary care physicians. Consequently, in France, specialists and particularly hematologists, often must investigate patients who present with blood eosinophilia that often, but not always, occurs because of allergic causes. Both the Departments of Hematology and Parasitology at Toulouse University Hospitals established a collaboration to rule out allergic causes of eosinophilia, particularly helminthiases, prior to initiating more sophisticated investigations...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28546435/a-simple-pipeline-for-mapping-point-mutations
#9
Guy Wachsman, Jennifer L Modliszewski, Manuel Valdes, Philip N Benfey
A forward genetic screen is one of the best methods for revealing the function of genes. In plants, this technique is highly efficient as it is relatively easy to grow and screen hundreds or thousands of individuals. The cost-efficiency and ease of data production afforded by next-generation sequencing has created new opportunities for rapid mapping of induced mutations. Current mapping tools are often not user-friendly, complicated, or require extensive preparation steps. To simplify the process of mapping new mutations, we developed a pipeline that takes next generation sequencing fastq files as input, calls on several well-established and freely available genome-analysis tools, and outputs the most likely causal DNA changes...
May 25, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28546141/clinical-insight-into-latent-variables-of-psychiatric-questionnaires-for-mood-symptom-self-assessment
#10
Athanasios Tsanas, Kate Saunders, Amy Bilderbeck, Niclas Palmius, Guy Goodwin, Maarten De Vos
BACKGROUND: We recently described a new questionnaire to monitor mood called mood zoom (MZ). MZ comprises 6 items assessing mood symptoms on a 7-point Likert scale; we had previously used standard principal component analysis (PCA) to tentatively understand its properties, but the presence of multiple nonzero loadings obstructed the interpretation of its latent variables. OBJECTIVE: The aim of this study was to rigorously investigate the internal properties and latent variables of MZ using an algorithmic approach which may lead to more interpretable results than PCA...
May 25, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/28545423/determinants-of-tuberculosis-transmission-and-treatment-abandonment-in-fortaleza-brazil
#11
Guy Harling, Antonio S Lima Neto, Geziel S Sousa, Marcia M T Machado, Marcia C Castro
BACKGROUND: Tuberculosis (TB) remains a public health problem, despite recent achievements in reducing incidence and mortality rates. In Brazil, these achievements were above the worldwide average, but marked by large regional heterogeneities. In Fortaleza (5th largest city in Brazil), the tuberculosis cure rate has been declining and treatment abandonment has been increasing in the past decade, despite a reduction in incidence and an increase in directly observed therapy (DOT). These trends put efforts to eliminate tuberculosis at risk...
May 25, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28544963/fibronectin-based-multilayer-thin-films
#12
Adeline Gand, Maud Tabuteau, Coline Chat, Guy Ladam, Hassan Atmani, Paul R Van Tassel, Emmanuel Pauthe
Thin films mimicking the structure and composition of the extra-cellular matrix (ECM) are potentially attractive as biomaterials for cell contacting applications. Layer-by-layer (LbL) assembly of a biological polycation, poly(l-lysine) (PLL), and a common ECM protein, fibronectin (Fn), was employed here to construct nanoscale, ECM mimicking films. Incremental film thickness and interfacial charge magnitude are observed to diminish with layer number, resulting in sub-linear film growth scaling and saturation after about 10 layers...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28544701/intradiscal-application-of-a-pcla-peg-pcla-hydrogel-loaded-with-celecoxib-for-the-treatment-of-back-pain-in-canines-what-s-in-it-for-humans
#13
Anna R Tellegen, Nicole Willems, Martijn Beukers, Guy C M Grinwis, Saskia G M Plomp, Clemens Bos, Maarten van Dijk, Mike de Leeuw, Laura B Creemers, Marianna A Tryfonidou, Björn P Meij
Chronic low back pain is a common clinical problem in both the human and canine population. Current pharmaceutical treatment often consists of oral anti-inflammatory drugs to alleviate pain. Novel treatments for degenerative disc diseases focus on local application of sustained released drug formulations. The aim of this study was to determine safety and feasibility of intradiscal application of a PCLA-PEG-PCLA hydrogel releasing celecoxib, a COX-2 inhibitor. Biocompatibility was evaluated after subcutaneous injection in mice and safety of intradiscal injection of the hydrogel was evaluated in experimental dogs with early spontaneous intervertebral disc (IVD) degeneration...
May 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28544171/effectiveness-of-shared-goal-setting-and-decision-making-to-achieve-treatment-targets-in-type-2-diabetes-patients-a-cluster-randomized-trial-optimal
#14
Henk Den Ouden, Rimke C Vos, Guy E H M Rutten
OBJECTIVE: About 20% of patients with type 2 diabetes achieve all their treatment targets. Shared decision making (SDM) using a support aid based on the 5-years results of the ADDITION study on multifactorial treatment, could increase this proportion. RESEARCH DESIGN AND METHODS: Cluster-randomized trial in 35 former ADDITION primary care practices. Practices were randomized to SDM or care as usual (1:1). Both ADDITION and non-ADDITION type 2 diabetes patients, 60-80 years, known with diabetes for 8-12 years, were included...
May 24, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28544120/prognostic-significance-of-aortic-valve-gradient-in-patients-with-severe-aortic-stenosis-undergoing-transcatheter-aortic-valve-replacement
#15
Guy Witberg, Arik Finkelstein, Issi Barbash, Abid Assali, Yaron Shapira, Amit Segev, Amir Halkin, Paul Fefer, Jeremy Ben-Shoshan, Maayan Konigstein, Alexander Sagie, Victor Guetta, Ran Kornowski, Alon Barsheshet
OBJECTIVE: To evaluate the effect of baseline aortic valve gradient (AVG) both as a continuous and a categorical variable on mortality in patients undergoing transcatheter aortic valve replacement (TAVR), focusing on the high-gradient severe aortic stenosis (AS) patients. BACKGROUND: Identifying new predictors of mortality in the TAVR population can help refine risk stratification and improve the patient selection process for this procedure. So far, AVG has mainly been studied as a categorical variable and there is a paucity of data on its prognostic value as a continuous variable, especially in patients with high AVG AS, who constitute the majority of patients referred for TAVR...
May 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28544051/crisis-at-guy-s-hospital-1880-and-the-nature-of-nursing-work
#16
Sheri Tesseyman, Christine Hallett, Jane Brooks
This historical study aims to refine understanding of the nature of nursing work. The study focuses on the 1880 crisis at Guy's Hospital in London to examine the nature and meaning of nursing work, particularly the concept of nursing work as many 'little things.' In this paper, an examination of Margaret Lonsdale's writing offers an original contribution to our understanding of the ways in which nursing work differs from medical practice. In this way, we use the late-nineteenth-century controversy at Guy's Hospital as a prism through which to examine the contested nature of nursing work...
May 23, 2017: Nursing Inquiry
https://www.readbyqxmd.com/read/28543718/introduction-of-a-new-instrument-to-measure-motivation-for-gaming-the-electronic-gaming-motives-questionnaire
#17
Helga Myrseth, Guy Notelaers, Leif Åge Strand, Einar Kristian Borud, Olav Kjellevold Olsen
AIMS: To adapt the four-dimensional Gambling Motives Questionnaire-Revised (GMQ-R) to measure the motivation for engaging in electronic gaming, and to validate the internal structure and investigate the criterion validity of the new Electronic Gaming Motives Questionnaire (EGMQ). DESIGN AND SETTING: The GMQ-R was adapted to measure motivation for playing video games and the new instrument was tested on a sample of Norwegian conscripts randomly selected from the pool of conscripts who started their military service between 2013 and 2015...
May 20, 2017: Addiction
https://www.readbyqxmd.com/read/28543030/defining-epileptogenic-networks-contribution-of-seeg-and-signal-analysis
#18
REVIEW
Fabrice Bartolomei, Stanislas Lagarde, Fabrice Wendling, Aileen McGonigal, Viktor Jirsa, Maxime Guye, Christian Bénar
Epileptogenic networks are defined by the brain regions involved in the production and propagation of epileptic activities. In this review we describe the historical, methodologic, and conceptual bases of this model in the analysis of electrophysiologic intracerebral recordings. In the context of epilepsy surgery, the determination of cerebral regions producing seizures (i.e., the "epileptogenic zone") is a crucial objective. In contrast with a traditional focal vision of focal drug-resistant epilepsies, the concept of epileptogenic networks has been progressively introduced as a model better able to describe the complexity of seizure dynamics and realistically describe the distribution of epileptogenic anomalies in the brain...
May 20, 2017: Epilepsia
https://www.readbyqxmd.com/read/28542641/platelet-proteome-reveals-novel-pathways-of-platelet-activation-and-platelet-mediated-immunoregulation-in-dengue
#19
Monique Ramos de Oliveira Trugilho, Eugenio Damaceno Hottz, Giselle Villa Flor Brunoro, André Teixeira-Ferreira, Paulo Costa Carvalho, Gustavo Adolfo Salazar, Guy A Zimmerman, Fernando A Bozza, Patrícia T Bozza, Jonas Perales
Dengue is the most prevalent human arbovirus disease worldwide. Dengue virus (DENV) infection causes syndromes varying from self-limiting febrile illness to severe dengue. Although dengue pathophysiology is not completely understood, it is widely accepted that increased inflammation plays important roles in dengue pathogenesis. Platelets are blood cells classically known as effectors of hemostasis which have been increasingly recognized to have major immune and inflammatory activities. Nevertheless, the phenotype and effector functions of platelets in dengue pathogenesis are not completely understood...
May 19, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28542076/comparative-analysis-of-perioperative-and-mid-term-results-of-tecab-and-midcab-for-revascularization-of-anterior-wall
#20
Markus Kofler, Thomas Schachner, Sebastian J Reinstadler, Lukas Stastny, Julia Dumfarth, Dominik Wiedemann, Gudrun Feuchtner, Guy Friedrich, Johannes Bonatti, Nikolaos Bonaros
OBJECTIVE: Totally endoscopic coronary artery bypass (TECAB) and minimally invasive direct coronary artery bypass (MIDCAB) grafting through minithoracotomy are currently the two minimally invasive surgical techniques of left ventricular anterior wall revascularization. We aimed to compare both techniques in terms of perioperative and mid-term results. METHODS: Arrested heart TECAB was carried out in 204 patients with a median (range) age of 60 (53-76) years and a median (range) EuroSCORE I of 2 (0-3)...
May 24, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
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