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https://www.readbyqxmd.com/read/100001003/emergency-management-of-sepsis-the-simple-stuff-saves-lives
#1
David Sweet, Julian Marsden, Kendall Ho, Christina Krause, James A Russell
Many emergency departments have implemented sepsis protocols since the 2001 publication of results from the early goal-directed therapy trial, which showed early targeted resuscitation lowers mortality. As part of an attempt to improve clinical and operational outcomes for emergency departments across British Columbia, we reviewed sepsis management literature and considered sepsis protocol implementation in the province’s emergency departments. During the literature review we found that many observational studies confirmed an association between implementation of emergency sepsis protocols and decreased mortality...
May 2012: BC medical journal: BCMJ
https://www.readbyqxmd.com/read/28340375/repetitive-tms-in-right-sensorimotor-areas-affects-the-selection-and-completion-of-contralateral-movements
#2
Maria Gutierrez-Herrera, Styrmir Saevarsson, Thomas Huber, Joachim Hermsdörfer, Waltraud Stadler
Although the existence of directional motor deficits (DMD) associated with movement planning and/or execution seems to be widely recognized, neglect and single cell studies examining their neuroanatomical foundation have produced contradictory and inconclusive findings. The present study assessed the occurrence of DMD following the application of repetitive transcranial magnetic stimulation (rTMS) over two regions, as commonly reported in the neglect literature, namely the right middle frontal gyrus (rMFG) and the right angular gyrus (rAG)...
February 24, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28340371/walking-adaptability-assessments-with-the-interactive-walkway-between-systems-agreement-and-sensitivity-to-task-and-subject-variations
#3
Daphne J Geerse, Bert H Coolen, Melvyn Roerdink
The ability to adapt walking to environmental circumstances is an important aspect of walking, yet difficult to assess. The Interactive Walkway was developed to assess walking adaptability by augmenting a multi-Kinect-v2 10-m walkway with gait-dependent visual context (stepping targets, obstacles) using real-time processed markerless full-body kinematics. In this study we determined Interactive Walkway's usability for walking-adaptability assessments in terms of between-systems agreement and sensitivity to task and subject variations...
March 2, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28339459/functional-classification-of-dna-variants-by-hybrid-minigenes-identification-of-30-spliceogenic-variants-of-brca2-exons-17-and-18
#4
Eugenia Fraile-Bethencourt, Beatriz Díez-Gómez, Valeria Velásquez-Zapata, Alberto Acedo, David J Sanz, Eladio A Velasco
Mutation screening of the breast cancer genes BRCA1 and BRCA2 identifies a large fraction of variants of uncertain clinical significance (VUS) whose functional and clinical interpretations pose a challenge for genomic medicine. Likewise, an increasing amount of evidence indicates that genetic variants can have deleterious effects on pre-mRNA splicing. Our goal was to investigate the impact on splicing of a set of reported variants of BRCA2 exons 17 and 18 to assess their role in hereditary breast cancer and to identify critical regulatory elements that may constitute hotspots for spliceogenic variants...
March 24, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28339410/unimanual-versus-bimanual-therapy-in-children-with-unilateral-cerebral-palsy-same-same-but-different
#5
Brian Hoare, Susan Greaves
BACKGROUND: There is high-level evidence supporting constraint-induced movement therapy (CIMT) and bimanual therapy for children with unilateral cerebral palsy. Evidence-based intervention includes time-limited, goal-directed, skills-based, intensive blocks of practice based on motor learning theory. AIM AND METHODS: Using supporting literature and clinical insight, we provide a theoretical rationale to highlight previously unreported differences between CIMT and bimanual therapy...
2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/28338943/dysfunction-of-large-scale-brain-networks-in-schizophrenia-a-meta-analysis-of-resting-state-functional-connectivity
#6
Debo Dong, Yulin Wang, Xuebin Chang, Cheng Luo, Dezhong Yao
Schizophrenia is a complex mental disorder with disorganized communication among large-scale brain networks, as demonstrated by impaired resting-state functional connectivity (rsFC). Individual rsFC studies, however, vary greatly in their methods and findings. We searched for consistent patterns of network dysfunction in schizophrenia by using a coordinate-based meta-analysis. Fifty-six seed-based voxel-wise rsFC datasets from 52 publications (2115 patients and 2297 healthy controls) were included in this meta-analysis...
March 11, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28338785/elevated-nucleus-accumbens-structural-connectivity-associated-with-proneness-to-hypomania-a-reward-hypersensitivity-perspective
#7
Katherine S Damme, Christina B Young, Robin Nusslock
The Reward Hypersensitivity Model of bipolar disorder argues that hypersensitivity to reward-relevant cues characterizes risk for hypo/mania. This hypersensitivity leads to increased goal-directed motivation during reward-relevant life events that, in the extreme, is reflected in hypo/manic symptoms. In line with this perspective, individuals with bipolar disorder display elevated activation in a cortico-striatal reward circuit including the nucleus accumbens (NAcc) and medial orbitofrontal cortex (mOFC). To date, however, research on reward-related neural circuitry underlying bipolar symptoms focuses on syndromal bipolar disorder (bipolar I, bipolar II), and typically examines neural regions in isolation of each other...
February 17, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28338360/resuscitation-promoting-factors-are-important-determinants-of-the-pathophysiology-in-mycobacterium-tuberculosis-infection
#8
Andrew Rosser, Cordula Stover, Manish Pareek, Galina V Mukamolova
Resuscitation promoting factors (Rpf) are peptidoglycan-hydrolyzing enzymes that are pivotal in the resuscitation of quiescent actinobacteria including Mycobacterium tuberculosis. From the published data, it is clear that Rpf are required for the resuscitation of non-replicating bacilli and pathogenesis in murine infection model of tuberculosis, although their direct influence on human Mycobacterium tuberculosis infection is ill-defined. In this review, we describe the progress in the understanding of the roles that Rpf play in human tuberculosis pathogenesis and importance of bacilli dependent upon Rpf for growth for the outcome of human tuberculosis...
February 17, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28338359/optimizing-the-team-for-required-power-during-track-cycling-team-pursuit
#9
Levi Heimans, Wouter R Dijkshoorn, Marco J M Hoozemans, Jos J de Koning
PURPOSE: Since the aim of the men's team pursuit in time trial track cycling is to accomplish a distance of 4000m as fast as possible, optimizing aerodynamic drag can contribute to achieving this goal. The aim of this study is to determine the drafting effect in second, third and fourth position during the team pursuit in track cycling as a function of the team members' individual frontal areas in order to minimize the required power. METHOD: Eight experienced track cyclists of the Dutch national selection performed 39 trials of 3-km in different teams of four cyclists at a constant velocity of 15...
March 24, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28337730/current-concepts-of-shared-decision-making-in-orthopedic-surgery
#10
REVIEW
Kevin Klifto, Christopher Klifto, James Slover
PURPOSE OF REVIEW: The Shared Decision Making (SDM) model, a collaborative decision making process between the physician and patient to make an informed clinical decision that enhances the chance of treatment success as defined by each patient's preferences and values, has become a new and promising tool in the healthcare process; however, minimal data exists on its application in the orthopedic surgical specialty. Increasing evidence has demonstrated that this once novel idea can be implemented successfully in the orthopedic setting to improve patient outcomes...
March 23, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28337138/motor-skill-learning-in-an-insect-inspired-neuro-computational-control-system
#11
Eleonora Arena, Paolo Arena, Roland Strauss, Luca Patané
In nature, insects show impressive adaptation and learning capabilities. The proposed computational model takes inspiration from specific structures of the insect brain: after proposing key hypotheses on the direct involvement of the mushroom bodies (MBs) and on their neural organization, we developed a new architecture for motor learning to be applied in insect-like walking robots. The proposed model is a nonlinear control system based on spiking neurons. MBs are modeled as a nonlinear recurrent spiking neural network (SNN) with novel characteristics, able to memorize time evolutions of key parameters of the neural motor controller, so that existing motor primitives can be improved...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/28336349/decisional-capacity-for-advanced-care-directives-in-parkinson-s-disease-with-cognitive-concerns
#12
Muneer Abu Snineh, Richard Camicioli, Janis M Miyasaki
INTRODUCTION: Physician Orders for Life Sustaining Therapies (POLST) or Goals of Care (GOC) are legal documents to guide intensity of interventions (ICU, resuscitation, hospitalization or comfort care) completed by healthcare professionals following counseling of patients or their designated medical decision makers. Capacity (understanding, appreciation, reasoning and expressing a choice) to consent to POLST or GOC has not been determined among Parkinson's disease (PD) patients. We sought to assess GOC PD decisional capacity for those with cognitive complaints but not dementia...
March 8, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28335690/promoting-physical-activity-after-stroke-via-self-management-a-feasibility-study
#13
Elisabeth Preston, Catherine M Dean, Louise Ada, Rosalyn Stanton, Sandy Brauer, Suzanne Kuys, Gordon Waddington
BACKGROUND: Many people with mild disability after stroke are physically inactive despite the risk of recurrent stroke. A self-management program may be one strategy to increase physical activity in stroke survivors. OBJECTIVES: To investigate the feasibility of a self-management program, and determine whether self-management can increase daily physical activity levels and self-efficacy for exercise, decrease cardiovascular risk, and improve walking ability, participation, and quality of life in people with mild disability after stroke...
March 23, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28335582/nonradiative-relaxation-mechanisms-of-uv-excited-phenylalanine-residues-a-comparative-computational-study
#14
Momir Mališ, Nađa Došlić
The present work is directed toward understanding the mechanisms of excited state deactivation in three neutral model peptides containing the phenylalanine residue. The excited state dynamics of theγL(g+)folded form of N-acetylphenylalaninylamide (NAPA B) and its amide-N-methylated derivative (NAPMA B) is reviewed and compared to the dynamics of the monohydrated structure of NAPA (NAPAH). The goal is to unravel how the environment, and in particular solvation, impacts the photodynamics of peptides. The systems are investigated using reaction path calculations and surface hopping nonadiabatic dynamics based on the coupled cluster doubles (CC2) method and time-dependent density functional theory...
March 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335461/design-and-validation-of-a-low-cost-portable-device-to-quantify-postural-stability
#15
Yong Zhu
Measurement of the displacement of the center-of-pressure (COP) is an important tool used in biomechanics to assess postural stability and human balance. The goal of this research was to design and validate a low-cost portable device that can offer a quick indication of the state of postural stability and human balance related conditions. Approximate entropy (ApEn) values reflecting the amount of irregularity hiding in COP oscillations were used to calculate the index. The prototype adopted a portable design using the measurements of the load cells located at the four corners of a low-cost force platform...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28334529/ballistic-one-dimensional-inas-nanowire-cross-junction-interconnects
#16
Johannes Gooth, Mattias Borg, Heinz Schmid, Vanessa Schaller, Stephan Wirths, Kirsten E Moselund, Mathieu Luisier, Siegfried Karg, Heike Riel
Coherent interconnection of quantum bits remains an ongoing challenge in quantum information technology. Envisioned hardware to achieve this goal is based on semiconductor nanowire (NW) circuits, comprising individual NW devices that are linked through ballistic interconnects. However, maintaining the sensitive ballistic conduction and confinement conditions across NW intersections is a non-trivial problem. Here, we go beyond the characterization of a single NW device and demonstrate ballistic 1D quantum transport in InAs NW cross-junctions, monolithically integrated on Si...
March 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28334257/fast-clash-free-rna-conformational-morphing-using-molecular-junctions
#17
Amélie Héliou, Dominik Budday, Rasmus Fonseca, Henry van den Bedem
Motivation: Non-coding ribonucleic acids (ncRNA) are functional RNA molecules that are not translated into protein. They are extremely dynamic, adopting diverse conformational substates, which enables them to modulate their interaction with a large number of other molecules. The flexibility of ncRNA provides a challenge for probing their complex 3D conformational landscape, both experimentally and computationally. Despite their conformational diversity, ncRNAs mostly preserve their secondary structure throughout the dynamic ensemble...
March 13, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334143/boosting-and-decreasing-action-prediction-abilities-through-excitatory-and-inhibitory-tdcs-of-inferior-frontal-cortex
#18
Alessio Avenanti, Riccardo Paracampo, Laura Annella, Emmanuele Tidoni, Salvatore Maria Aglioti
Influential theories suggest that humans predict others' upcoming actions by using their own motor system as an internal forward model. However, evidence that the motor system is causally essential for predicting others' actions is meager. Using transcranial direct current stimulation (tDCS), we tested the role of the inferior frontal cortex (IFC), in action prediction (AP). We devised a novel AP task where participants observed the initial phases of right-hand reaching-to-grasp actions and had to predict their outcome (i...
March 14, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28333526/learning-higher-order-generalizations-through-free-play-evidence-from-2-and-3-year-old-children
#19
Zi L Sim, Fei Xu
Constructivist views of cognitive development often converge on 2 key points: (a) the child's goal is to build large conceptual structures for understanding the world, and (b) the child plays an active role in developing these structures. While previous research has demonstrated that young children show a precocious capacity for concept and theory building when they are provided with helpful data within training settings, and that they explore their environment in ways that may promote learning, it remains an open question whether young children are able to build larger conceptual structures using self-generated evidence, a form of active learning...
April 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28333495/variables-associated-with-achievement-in-higher-education-a-systematic-review-of-meta-analyses
#20
Michael Schneider, Franzis Preckel
The last 2 decades witnessed a surge in empirical studies on the variables associated with achievement in higher education. A number of meta-analyses synthesized these findings. In our systematic literature review, we included 38 meta-analyses investigating 105 correlates of achievement, based on 3,330 effect sizes from almost 2 million students. We provide a list of the 105 variables, ordered by the effect size, and summary statistics for central research topics. The results highlight the close relation between social interaction in courses and achievement...
March 23, 2017: Psychological Bulletin
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