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https://www.readbyqxmd.com/read/28720181/computerized-tests-of-team-performance-and-crew-coordination-suitable-for-military-aviation-settings
#1
Ben D Lawson, Thomas W Britt, Amanda M Kelley, Jeremy R Athy, Shauna M Legan
INTRODUCTION: The coordination of team effort on shared tasks is an area of inquiry. A number of tests of team performance in challenging environments have been developed without comparison or standardization. This article provides a systematic review of the most accessible and usable low-to-medium fidelity computerized tests of team performance and determines which are most applicable to military- and aviation-relevant research, such as studies of group command, control, communication, and crew coordination...
August 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28716090/clinical-workflow-for-mr-only-simulation-and-planning-in-prostate
#2
Neelam Tyagi, Sandra Fontenla, Michael Zelefsky, Marcia Chong-Ton, Kyle Ostergren, Niral Shah, Lizette Warner, Mo Kadbi, Jim Mechalakos, Margie Hunt
PURPOSE: To describe the details and experience of implementing a MR-only workflow in the clinic for simulation and planning of prostate cancer patients. METHODS: Forty-eight prostate cancer patients from June 2016 - Dec 2016 receiving external beam radiotherapy were scheduled to undergo MR-only simulation. MR images were acquired for contouring (T2w axial, coronal, sagittal), synthetic-CT generation (3D FFE-based) and fiducial identification (3D bFFE-based). The total acquisition time was 25 min...
July 17, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28713493/a-new-strategy-in-neurocritical-care-nurse-continuing-stroke-education-a-hybrid-simulation-pilot-study
#3
Christopher Ryan Newey, Robert Bell, Melody Burks, Premkumar Nattanmai
INTRODUCTION: High-fidelity simulation is frequently utilized in medical education. Its use in the neurosciences is limited by the inherent limitations of the manikin to simulate neurological changes. We report here the use of a hybrid simulation - a combination of lecture and high-fidelity manikin - in the education of neurosciences nurses, involved in care of neurocritical care patients. METHODS: Neurosciences nurses from at the University of Missouri, Columbia, MO, USA, which is an academic, tertiary-care medical center participated in the simulation during Spring of 2016...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28711647/surgical-training-improves-performance-in-minimally-invasive-left-ventricular-assist-device-implantation-without-cardiopulmonary-bypass
#4
Lu-Feng Zhang, Hai-Bo Feng, Zhi-Guo Yu, Shi Jing, Feng Wan
OBJECTIVE: We introduced a live animal model for training of minimally invasive implantation of a continuous-flow left ventricular assist device (CF-LVAD) without cardiopulmonary bypass for operator's performance improvement. DESIGN: After watching a videotape of LVAD implantation on the beating heart through the cardiac apex, the surgical team performed implantation of LVADs into 5 pigs during 3 training sessions in a time series. The procedure success rate, operating time, and technical and global performances by self-evaluation and senior evaluation were compared among the sessions...
July 12, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28704290/developing-a-conversational-virtual-standardized-patient-to-enable-students-to-practice-history-taking-skills
#5
Kellen Maicher, Douglas Danforth, Alan Price, Laura Zimmerman, Bruce Wilcox, Beth Liston, Holly Cronau, Laurie Belknap, Cynthia Ledford, David Way, Doug Post, Allison Macerollo, Milisa Rizer
INTRODUCTION: Although traditional virtual patient simulations are designed to teach and assess clinical reasoning skills, few employ conversational dialogue with the patients. The virtual standardized patients (VSPs) described herein represent standardized patients that students interview using natural language. Students take histories and develop differential diagnoses of the VSPs as much as they would with standardized or actual patients. The student-VSP interactions are recorded, creating a comprehensive record of questions and the order in which they were asked, which can be analyzed to assess information-gathering skills...
April 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28704289/beyond-fidelity-deconstructing-the-seductive-simplicity-of-fidelity-in-simulator-based-education-in-the-health-care-professions
#6
Jordan Richard Schoenherr, Stanley J Hamstra
Fidelity has become a ubiquitous feature of discourse in simulation studies. Recent studies have highlighted the often ambiguous and contradictory manner in which fidelity has been defined, with each definition emphasizing different physical and functional features of simulation. We suggest that regarding fidelity as an objective property of a simulation obscures the interactive nature of the educator-learner relationship and should be abandoned. Rather than conceiving training as tasks performed by an individual in isolation, we suggest that it is more accurately understood as the social learning of affordances...
April 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28704288/the-effectiveness-of-medical-simulation-in-teaching-medical-students-critical-care-medicine-a-systematic-review-and-meta-analysis
#7
Matthew David Beal, John Kinnear, Caroline Rachael Anderson, Thomas David Martin, Rachel Wamboldt, Lee Hooper
We aimed to assess effectiveness of simulation for teaching medical students critical care medicine and to assess which simulation methods were most useful. We searched AMED, EMBASE, MEDLINE, Education Resources Information Centre, British Education Index, Australian Education Index, and bibliographies and citations, in July 2013. Randomized controlled trials comparing effectiveness of simulation with another educational intervention, or no teaching, for teaching medical students critical care medicine were included...
April 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28704285/cricothyroidotomy-in-situ-simulation-curriculum-cric-study-training-residents-for-rare-procedures
#8
Andrew Petrosoniak, Agnes Ryzynski, Gerald Lebovic, Karen Woolfrey
INTRODUCTION: Technical skill acquisition for rare procedures can be challenging given the few real-life training opportunities. In situ simulation (ISS), a training technique that takes place in the actual workplace, is a promising method to promote environmental fidelity for rare procedures. This study evaluated a simulation-based technical skill curriculum for cricothyroidotomy using deliberate practice, followed by an ISS evaluation session. METHODS: Twenty emergency medicine residents participated in a two-part curriculum to improve cricothryoidotomy performance...
April 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28704187/striving-for-better-medical-education-the-simulation-approach
#9
REVIEW
Boris E Sakakushev, Blagoi I Marinov, Penka P Stefanova, Stefan St Kostianev, Evangelos K Georgiou
Medical simulation is a rapidly expanding area within medical education due to advances in technology, significant reduction in training hours and increased procedural complexity. Simulation training aims to enhance patient safety through improved technical competency and eliminating human factors in a risk free environment. It is particularly applicable to a practical, procedure-orientated specialties. Simulation can be useful for novice trainees, experienced clinicians (e.g. for revalidation) and team building...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28701545/decoding-sound-level-in-the-marmoset-primary-auditory-cortex
#10
Wensheng Sun, Ellisha N Marongelli, Paul V Watkins, Dennis L Barbour
Neurons that respond favorably to a particular sound level have been observed throughout the central auditory system, becoming steadily more common at higher processing areas. One theory about the role of these level-tuned or nonmonotonic neurons is the level-invariant encoding of sounds. To investigate this theory, we simulated various subpopulations of neurons by drawing from real primary auditory cortex (A1) neuron responses and surveyed their performance in forming different sound level representations...
July 12, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28699620/aerodynamics-and-flow-features-of-a-damselfly-in-takeoff-flight
#11
Ayodeji Toluwanimi Bode-Oke, Samane Zeyghami, Haibo Dong
Flight initiation is fundamental for survival, escape from predators and lifting payload from one place to another in biological fliers and can be broadly classified into jumping and non-jumping takeoffs. During jumping takeoffs, the legs generate most of the initial impulse. Whereas the wings generate most of the forces in non-jumping takeoffs, which are usually voluntary, slow, and stable. It is of great interest to understand how these non-jumping takeoffs occur and what strategies insects use to generate large amount of forces required for this highly demanding flight initiation mode...
July 12, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28694150/the-development-of-a-retroperitoneal-dissection-model
#12
Aisha A Yousuf, Helena Frecker, Abheha Satkunaratnam, Eliane M Shore
Knowledge of ureteric anatomy is essential for ureteric injury prevention in laparoscopic gynecologic surgery. Rates of injury increase with limited surgical experience and reduced surgical volume. Currently there are no low-fidelity or high-fidelity simulation models for teaching and practicing ureteric dissection. Our goal was to design a laparoscopic simulation model for retroperitoneal anatomy with high face validity that is low-cost and easily reproducible.
July 7, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28692168/indirect-effects-of-ecosystem-engineering-combine-with-consumer-behavior-to-determine-the-spatial-distribution-of-herbivory
#13
Blaine D Griffen, Megan E Riley, Zachary J Cannizzo, Ilka C Feller
1.Ecosystem engineers alter environments by creating, modifying, or destroying habitats. The indirect impacts of ecosystem engineering on trophic interactions should depend on the combination of the spatial distribution of engineered structures and the foraging behavior of consumers that use these structures as refuges. 2.In this study, we assessed the indirect effects of ecosystem engineering by a wood-boring beetle in a neotropical mangrove forest system. We identified herbivory patterns in a dwarf mangrove forest on the archipelago of Twin Cays, Belize...
July 10, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28688969/the-steinberg-centre-for-simulation-and-interactive-learning-at-mcgill-university
#14
Carmen L Mueller, Genevieve Cyr, Ilana Bank, Farhan Bhanji, Laura Birnbaum, Miriam Boillat, Marie-Eve Bolduc, Jeffrey Chankowsky, Evelyn Constantin, Beth-Ann Cummings, Rachel Fisher, Philippe Legault, N Hugo Marchand, Luis Monton, Teresa Rudkin, Bayane Sabsabi, Niki Soilis, Daniel Zigman, Rajesh Aggarwal
Simulation allows for learner-centered health professions training by providing a safe environment to practice and make mistakes without jeopardizing patient care. It was with this goal in mind that the McGill Medical Simulation Center was officially opened on September 14, 2006, as a partnership between McGill University, the Faculty of Medicine and its affiliated hospitals. Its mandate is to provide state-of-the-art facilities to support simulation-based medical and allied health education initiatives. Since its inception, the center, recently renamed the Steinberg Center for Simulation and Interactive Learning (SCSIL), has undergone a major expansion and logged more than 130,000 learner visits...
July 5, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28686438/globally-optimized-local-pseudopotentials-for-orbital-free-density-functional-theory-simulations-of-liquids-and-solids
#15
Beatriz G Del Rio, Johannes M Dieterich, Emily A Carter
The accuracy of local pseudopotentials (LPSs) is one of two major determinants of the fidelity of orbital-free density functional theory (OFDFT) simulations. We present a global optimization strategy for LPSs that enables OFDFT to reproduce solid and liquid properties obtained from Kohn-Sham DFT. Our optimization strategy can fit arbitrary properties from both solid and liquid phases, so the resulting globally optimized local pseudopotentials (goLPSs) can be used in solid and/or liquid phase simulations depending on the fitting process...
July 7, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28684739/dna-binding-strength-increases-the-processivity-and-activity-of-a-y-family-dna-polymerase
#16
Jing Wu, Alexandra de Paz, Bradley M Zamft, Adam H Marblestone, Edward S Boyden, Konrad P Kording, Keith E J Tyo
DNA polymerase (pol) processivity, i.e., the bases a polymerase extends before falling off the DNA, and activity are important for copying difficult DNA sequences, including simple repeats. Y-family pols would be appealing for copying difficult DNA and incorporating non-natural dNTPs, due to their low fidelity and loose active site, but are limited by poor processivity and activity. In this study, the binding between Dbh and DNA was investigated to better understand how to rationally design enhanced processivity in a Y-family pol...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28683124/hybrid-spectral-ct-reconstruction
#17
Darin P Clark, Cristian T Badea
Current photon counting x-ray detector (PCD) technology faces limitations associated with spectral fidelity and photon starvation. One strategy for addressing these limitations is to supplement PCD data with high-resolution, low-noise data acquired with an energy-integrating detector (EID). In this work, we propose an iterative, hybrid reconstruction technique which combines the spectral properties of PCD data with the resolution and signal-to-noise characteristics of EID data. Our hybrid reconstruction technique is based on an algebraic model of data fidelity which substitutes the EID data into the data fidelity term associated with the PCD reconstruction, resulting in a joint reconstruction problem...
2017: PloS One
https://www.readbyqxmd.com/read/28682258/real-time-high-fidelity-surface-flow-simulation
#18
Bo Ren, Tailing Yuan, Chenfeng Li, Kun Xu, Shi-Min Hu
Surface flow phenomena, such as rain water flowing down a tree trunk and progressive water front in a shower room, are common in real life. However, compared with the 3D spatial fluid flow, these surface flow problems have been much less studied in the graphics community. To tackle this research gap, we present an efficient, robust and high-fidelity simulation approach based on the shallow-water equations. Specifically, the standard shallow-water flow model is extended to general triangle meshes with a feature-based bottom friction model, and a series of coherent mathematical formulations are derived to represent the full range of physical effects that are important for real-world surface flow phenomena...
June 30, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28678068/anesthesia-adverse-events-voluntarily-reported-in-the-veterans-health-administration-and-lessons-learned
#19
Julia Neily, Elda S Silla, Sam John T Sum-Ping, Roberta Reedy, Douglas E Paull, Lisa Mazzia, Peter D Mills, Robin R Hemphill
BACKGROUND: Anesthesia providers have long been pioneers in patient safety. Despite remarkable efforts, anesthesia errors still occur, resulting in complications, injuries, and even death. The Veterans Health Administration (VHA) National Center of Patient Safety uses root cause analysis (RCA) to examine why system-related adverse events occur and how to prevent future similar events. This study describes the types of anesthesia adverse events reported in VHA hospitals and their root causes and preventative actions...
July 1, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28676200/cigar-box-arthroscopy-a-randomized-controlled-trial-validates-nonanatomic-simulation-training-of-novice-arthroscopy-skills
#20
Rory P Sandberg, Nathan C Sherman, L Daniel Latt, Jolene C Hardy
PURPOSE: The goal of this study was to validate the cigar box arthroscopy trainer (CBAT) as a training tool and then compare its effectiveness to didactic training and to another previously validated low-fidelity but anatomic model, the anatomic knee arthroscopy trainer (AKAT). METHODS: A nonanatomic knee arthroscopy training module was developed at our institution. Twenty-four medical students with no prior arthroscopic or laparoscopic experience were enrolled as subjects...
July 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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