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https://www.readbyqxmd.com/read/27903299/arthroscopic-arthrodesis-for-ankle-arthritis-without-bone-graft
#1
Xiaojun Duan, Liu Yang, Li Yin
BACKGROUND: Ankle arthrodesis is considered by many to be the standard operative treatment for end-stage ankle arthritis. The purpose of this study was to perform a new technique for ankle joint surface and determine the outcome for the union rates of ankle arthroscopic arthrodesis. METHODS: A total of 68 patients with posttraumatic arthritis, primary osteoarthritis, and rheumatoid arthritis were treated by ankle arthroscopic arthrodesis between May 2007 and December 2012...
December 1, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27899874/management-of-adults-with-diabetes-and-cognitive-problems
#2
Rachel Hopkins, Kristi Shaver, Ruth S Weinstock
No abstract text is available yet for this article.
November 2016: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/27898193/modeling-long-term-changes-in-tundra-carbon-balance-following-wildfire-climate-change-and-potential-nutrient-addition
#3
Yueyang Jiang, Edward B Rastetter, Gaius R Shaver, Adrian V Rocha, Qianlai Zhuang, Bonnie L Kwiatkowski
To investigate the underlying mechanisms that control long-term recovery of tundra carbon (C) and nutrients after fire, we employed the Multiple Element Limitation (MEL) model to simulate 200-yr post-fire changes in the biogeochemistry of three sites along a burn severity gradient in response to increases in air temperature, CO2 concentration, nitrogen (N) deposition, and phosphorus (P) weathering rates. The simulations were conducted for severely burned, moderately burned, and unburned arctic tundra. Our simulations indicated that recovery of C balance after fire was mainly determined by the internal redistribution of nutrients among ecosystem components (controlled by air temperature), rather than the supply of nutrients from external sources (e...
August 4, 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27885030/social-status-alters-immune-regulation-and-response-to-infection-in-macaques
#4
Noah Snyder-Mackler, Joaquín Sanz, Jordan N Kohn, Jessica F Brinkworth, Shauna Morrow, Amanda O Shaver, Jean-Christophe Grenier, Roger Pique-Regi, Zachary P Johnson, Mark E Wilson, Luis B Barreiro, Jenny Tung
Social status is one of the strongest predictors of human disease risk and mortality, and it also influences Darwinian fitness in social mammals more generally. To understand the biological basis of these effects, we combined genomics with a social status manipulation in female rhesus macaques to investigate how status alters immune function. We demonstrate causal but largely plastic social status effects on immune cell proportions, cell type-specific gene expression levels, and the gene expression response to immune challenge...
November 25, 2016: Science
https://www.readbyqxmd.com/read/27849609/temperature-response-of-soil-respiration-largely-unaltered-with-experimental-warming
#5
Joanna C Carey, Jianwu Tang, Pamela H Templer, Kevin D Kroeger, Thomas W Crowther, Andrew J Burton, Jeffrey S Dukes, Bridget Emmett, Serita D Frey, Mary A Heskel, Lifen Jiang, Megan B Machmuller, Jacqueline Mohan, Anne Marie Panetta, Peter B Reich, Sabine Reinsch, Xin Wang, Steven D Allison, Chris Bamminger, Scott Bridgham, Scott L Collins, Giovanbattista de Dato, William C Eddy, Brian J Enquist, Marc Estiarte, John Harte, Amanda Henderson, Bart R Johnson, Klaus Steenberg Larsen, Yiqi Luo, Sven Marhan, Jerry M Melillo, Josep Peñuelas, Laurel Pfeifer-Meister, Christian Poll, Edward Rastetter, Andrew B Reinmann, Lorien L Reynolds, Inger K Schmidt, Gaius R Shaver, Aaron L Strong, Vidya Suseela, Albert Tietema
The respiratory release of carbon dioxide (CO2) from soil is a major yet poorly understood flux in the global carbon cycle. Climatic warming is hypothesized to increase rates of soil respiration, potentially fueling further increases in global temperatures. However, despite considerable scientific attention in recent decades, the overall response of soil respiration to anticipated climatic warming remains unclear. We synthesize the largest global dataset to date of soil respiration, moisture, and temperature measurements, totaling >3,800 observations representing 27 temperature manipulation studies, spanning nine biomes and over 2 decades of warming...
November 29, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27844496/effect-of-housing-environment-on-laying-hen-meat-quality-assessing-pectoralis-major-ph-colour-and-tenderness-in-three-strains-of-80-81-week-old-layers-housed-in-conventional-and-furnished-cages
#6
K M Frizzell, E Lynch, B M Rathgeber, W T Dixon, C T Putman, M J Jendral
1. Meat quality is affected by factors such as stress, genetic strain and activity and is determined in part by measures of pH, colour and tenderness. In conventional laying hen cages (CC), lack of physical space and inability to perform highly motivated behaviours leads to stress and inactivity. Furnished cages (FC) permit expression of highly motivated behaviours, but typically house larger group sizes than CC, thereby contributing to social stress. The objective of this study was to evaluate the effects of CC and FC laying hen housing environments and strain differences on meat quality of 80 to 81 week old birds...
November 15, 2016: British Poultry Science
https://www.readbyqxmd.com/read/27769956/data-driven-iterative-refinement-of-bone-marrow-testing-protocols-leads-to-progressive-improvement-in-cytogenetic-and-molecular-test-utilization
#7
Adam C Seegmiller, Annette S Kim, Claudio A Mosse, Aaron C Shaver, Mary Ann Thompson, Shaoying Li, David R Head, Mary M Zutter
OBJECTIVES: To determine the effect of iterative refinement of standard ordering protocols on test utilization and results for bone marrow biopsy specimens. METHODS: Eighteen months of test utilization and result data were used to revise the protocols that determine cytogenetic and molecular test selection on bone marrow specimens and then compared with data obtained following protocol revision. RESULTS: Revision of protocols resulted in reduction in total tests and associated charges, due to a decrease in tests both concordant and discordant with the protocols...
October 20, 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27663180/clinical-predictors-of-hospital-mortality-differ-between-direct-and-indirect-acute-respiratory-distress-syndrome
#8
Liang Luo, Ciara M Shaver, Zhiguo Zhao, Tatsuki Koyama, Carolyn S Calfee, Julie A Bastarache, Lorraine B Ware
BACKGROUND: Direct (pulmonary) and indirect (extrapulmonary) ARDS are distinct syndromes with important pathophysiologic differences. The goal of this study was to determine whether clinical characteristics and predictors of mortality differ between direct or indirect ARDS. METHODS: A retrospective observational cohort study of 417 ARDS patients. Each patient was classified as having direct (pneumonia or aspiration, n=250) or indirect ARDS (non-pulmonary sepsis or pancreatitis, n=167)...
September 20, 2016: Chest
https://www.readbyqxmd.com/read/27598182/review-of-studies-concerning-electromagnetic-field-emf-exposure-assessment-in-europe-low-frequency-fields-50-hz-100-khz
#9
REVIEW
Peter Gajšek, Paolo Ravazzani, James Grellier, Theodoros Samaras, József Bakos, György Thuróczy
We aimed to review the findings of exposure assessment studies done in European countries on the exposure of the general public to low frequency electric and magnetic fields (EMFs) of various frequencies. The study shows that outdoor average extremely low frequency magnetic fields (ELF-MF) in public areas in urban environments range between 0.05 and 0.2 µT in terms of flux densities, but stronger values (of the order of a few µT) may occur directly beneath high-voltage power lines, at the walls of transformer buildings, and at the boundary fences of substations...
2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27582122/effects-of-long-term-nutrient-additions-on-arctic-tundra-stream-and-lake-ecosystems-beyond-npp
#10
REVIEW
Laura Gough, Neil D Bettez, Karie A Slavik, William B Bowden, Anne E Giblin, George W Kling, James A Laundre, Gaius R Shaver
Primary producers form the base of food webs but also affect other ecosystem characteristics, such as habitat structure, light availability, and microclimate. Here, we examine changes caused by 5-30+ years of nutrient addition and resulting increases in net primary productivity (NPP) in tundra, streams, and lakes in northern Alaska. The Arctic provides an important opportunity to examine how ecosystems characterized by low diversity and low productivity respond to release from nutrient limitation. We review how responses of algae and plants affect light availability, perennial biotic structures available for consumers, oxygen levels, and temperature...
November 2016: Oecologia
https://www.readbyqxmd.com/read/27579797/examining-parents-romantic-attachment-styles-and-depressive-and-anxiety-symptoms-as-predictors-of-caregiving-experiences
#11
Laura M River, Jessica L Borelli, S Katherine Nelson-Coffey
Evidence has suggested that parental romantic attachment style and depressive and anxiety symptoms are related to experiences of caregiving (Creswell, Apetroaia, Murray, & Cooper, 2013; Jones, Cassidy, & Shaver, 2014; Lovejoy, Graczyk, O'Hare, & Neuman, 2000), but more research is necessary to clarify the nature of these relations, particularly in the context of attachment-salient events such as reunions. In a cross-sectional study of 150 parents of children ages 1 to 3 years, we assessed participants' attachment styles (self-reported anxiety and avoidance) and depressive and anxiety symptoms...
September 2016: Infant Mental Health Journal
https://www.readbyqxmd.com/read/27494124/exploring-the-self-disclosure-process-in-peer-mentoring-relationships-for-transition-age-youth-with-developmental-disabilities
#12
Cathryn T Ryan, Jessica M Kramer, Ellen S Cohn
The purpose of this study was to examine the role of the self-disclosure process in regard to connection development and relationship quality in peer mentoring relationships between transition-age youth (ages 15-20) and young adults (ages 18-36) with intellectual and/or developmental disabilities. Self-disclosure is defined as "the disclosure of inner feelings and experiences to another person" that "fosters liking, caring, and trust, thereby facilitating the deepening of close relationships" ( Reis & Shaver, 1988 , p...
August 2016: Intellectual and Developmental Disabilities
https://www.readbyqxmd.com/read/27489581/anxiety-and-ritualization-can-attention-discriminate-compulsion-from-routine
#13
Jan Krátký, Martin Lang, John H Shaver, Danijela Jerotijević, Dimitris Xygalatas
Despite the wide occurrence of ritual behavior in humans and animals, much of its causal underpinnings, as well as evolutionary functions, remain unknown. A prominent line of research focuses on ritualization as a response to anxiogenic stimuli. By manipulating anxiety levels, and subsequently assessing their motor behavior dynamics, our recent study investigated this causal link in a controlled way. As an extension to our original argument, we here discuss 2 theoretical explanations of rituals-ritualized behavior and automated behavior-and their link to anxiety...
May 2016: Communicative & Integrative Biology
https://www.readbyqxmd.com/read/27485078/tumor-derived-vaccines-containing-cd200-inhibit-immune-activation-implications-for-immunotherapy
#14
Zhengming Xiong, Elisabet Ampudia-Mesias, Rob Shaver, Craig M Horbinski, Christopher L Moertel, Michael R Olin
There are over 400 ongoing clinical trials using tumor-derived vaccines. This approach is especially attractive for many types of brain tumors, including glioblastoma, yet so far the clinical response is highly variable. One contributor to poor response is CD200, which acts as a checkpoint blockade, inducing immune tolerance. We demonstrate that, in response to vaccination, glioma-derived CD200 suppresses the anti-tumor immune response. In contrast, a CD200 peptide inhibitor that activates antigen-presenting cells overcomes immune tolerance...
September 2016: Immunotherapy
https://www.readbyqxmd.com/read/27462543/arthroscopic-debridement-of-pediatric-accessory-anterolateral-talar-facet-causing-impingement
#15
Julie A Neumann, Sandeep Mannava, Christopher E Gross, Benjamin M Wooster, Michael T Busch
Symptomatic subfibular and/or lateral talocalcaneal impingement in pediatric patients may result from an accessory anterolateral talar facet (AALTF). This impingement may cause pain and disability and may limit athletic performance in high-level athletes. We report the case of a 12-year-old female competitive gymnast who had refractory, lateral-sided right ankle pain for 4 months and underwent right ankle arthroscopic resection of the AALTF causing impingement. Standard medial and anterolateral portals with the addition of an accessory anterolateral-distal portal were used in conjunction with a 30° 2...
April 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27462542/arthroscopically-assisted-open-reduction-internal-fixation-of-ankle-fractures-significance-of-the-arthroscopic-ankle-drive-through-sign
#16
William W Schairer, Benedict U Nwachukwu, David M Dare, Mark C Drakos
Standalone open reduction-internal fixation (ORIF) of unstable ankle fractures is the current standard of care. Intraoperative stress radiographs are useful for assessing the extent of ligamentous disruption, but arthroscopic visualization has been shown to be more accurate. Concomitant arthroscopy at the time of ankle fracture ORIF is useful for accurately diagnosing and managing syndesmotic and deltoid ligament injuries. The arthroscopic ankle drive-through sign is characterized by the ability to pass a 2...
April 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27381679/the-influence-of-different-shavers-on-the-skin-quantified-by-non-invasive-reflectance-confocal-microscopy
#17
F M W Rodijk, G Zanelli, M Geerligs, P E J van Erp, M Peppelman
BACKGROUND: The impact of personal care devices on skin is mainly assessed using subjective tools. However, new objective, accurate non-invasive in vivo imaging techniques have been developed. The aim of this study was to evaluate the ability of reflectance confocal microscopy (RCM) in quantifying morphological impact of shavers on skin. Furthermore, tape stripping (TS) as method to study morphological impact of shavers was evaluated. METHODS: In 12 healthy male subjects, for two consecutive days, a split-face test was performed in the neck; on one side a shaver was applied, while the other side was exposed to TS...
August 2016: Skin Research and Technology
https://www.readbyqxmd.com/read/27377224/lumbar-neuroforaminal-decompression-using-a-flexible-micro-blade-shaver-system-results-of-a-cadaveric-study
#18
Lennart Viezens, Marc Dreimann, Roland Gessler, Martin Stangenberg, Sven Oliver Eicker
BACKGROUND: The lumbar neural foraminal stenosis still is a challenging condition in minimally invasive spine surgery. Due to the anatomic situation a complete decompression of the nerve root often leads to a sub total facetectomy associated with potential instability and the need for additional instrumentation of the decompressed segment. The iO-Flex system was introduced to address this problem by using a minimally-invasive wire-guided microblade shaver to increase the neuroforaminal space by reducing the stenosis from intraforaminal while sparing bigger parts of the facet joint...
July 1, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27360595/physiological-and-perceptual-response-of-drinking-vs-mouth-rinsing-with-water-during-a-15-km-running-time-trial-1676-board-329-june-2-8-00-am-9-30-am
#19
Lauren Shaver, Eric E Hall, Eric K O'Neal, Svetlana Nepocatych
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27360590/the-influence-of-drinking-vs-rinsing-with-water-during-prolonged-running-exercise-on-affective-response-1671-board-324-june-2-8-00-am-9-30-am
#20
Svetlana Nepocatych, Lauren Shaver, Eric E Hall
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
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