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Simulation learning

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https://www.readbyqxmd.com/read/30326545/utilizing-simulated-errors-in-radiotherapy-plans-to-quantify-the-effectiveness-of-the-physics-plan-review
#1
Olga Gopan, Wade P Smith, Alexei Chvetsov, Kristi Hendrickson, Alan Kalet, Minsun Kim, Matthew Nyflot, Mark Phillips, Lori Young, Avrey Novak, Jing Zeng, Eric Ford
PURPOSE: The review of a radiation therapy plan by a physicist prior to treatment is a standard tool for ensuring the quality of treatments. However, little is known about how well this task is performed in practice. The goal of this study is to present a novel method to measure the effectiveness of physics plan review by introducing simulated errors into computerized "mock" treatment charts and measuring the performance of plan review by physicists. METHODS: We generated six simulated treatment charts containing multiple errors...
October 16, 2018: Medical Physics
https://www.readbyqxmd.com/read/30326403/design-and-development-of-novel-p-aminobenzoic-acid-derivatives-as-potential-cholinesterase-inhibitors-for-the-treatment-of-alzheimer-s-disease
#2
Sushant K Shrivastava, Saurabh K Sinha, Pavan Srivastava, Prabhash N Tripathi, Piyoosh Sharma, Manish K Tripathi, Avanish Tripathi, Priyanka K Choubey, Digambar K Waiker, Lalit M Aggarwal, Manish Dixit, Subhash C Kheruka, Sanjay Gambhir, Sharmila Shankar, Rakesh K Srivastava
Based on the quantitative structure-activity relationship (QSAR), some novel p-aminobenzoic acid derivatives as promising cholinesterase enzyme inhibitors were designed, synthesized, characterized and evaluated to enhance learning and memory. The in vitro enzyme kinetic study of the synthesized compounds revealed the type of inhibition on the respective acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) enzymes. The in vivo studies of the synthesized compounds exhibited significant reversal of cognitive deficits in the animal models of amnesia as compared to standard drug donepezil...
October 9, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/30325894/a-prospective-randomized-blinded-trial-comparing-digital-simulation-to-textbook-for-cleft-surgery-education
#3
Natalie M Plana, William J Rifkin, Rami S Kantar, Joshua A David, Samantha G Maliha, Scott J Farber, David A Staffenberg, Barry H Grayson, J Rodrigo Diaz-Siso, Roberto L Flores
BACKGROUND: Simulation is progressively being integrated into surgical training, yet its utility in plastic surgery has not been well described. We present a prospective, randomized, blinded trial comparing digital simulation to a surgical textbook for conceptualization of cleft-lip repair. METHODS: Thirty-five medical students were randomized to learning cleft repair using a simulator or textbook. Participants outlined markings for a standard cleft-lip repair before (pre-intervention) and after (post-intervention) 20 minutes of studying their respective resource...
October 12, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/30325598/the-learning-curve-of-sting-method-for-endoscopic-injection-treatment-of-vesicoureteral-reflux
#4
Ayhan Dalkiliç, Göksel Bayar, Hasan Demirkan, Kaya Horasanli
OBJECTIVE: To identify how many endoscopic injection (EI) procedures, STING method, must be performed before reaching an ideal success rate when simulation training has not been received. MATERIALS AND METHODS: The EI procedures performed by two pediatric urology fellows were investigated. The study excluded patients without primary VUR and those with previous EI or ureteroneocystostomy, lower urinary tract dysfunction, and/or duplicate ureters. The EIs used dextranomer hyaluronate and the STING method, as described by O'Donnell and Puri...
September 5, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/30324107/what-is-the-influence-of-simulation-based-training-courses-the-learning-curve-supervision-and-surgeon-volume-on-the-outcome-in-hernia-repair-a-systematic-review
#5
Ferdinand Köckerling
Introduction: In hernia surgery, too, the influence of the surgeon on the outcome can be demonstrated. Therefore the role of the learning curve, supervised procedures by surgeons in training, simulation-based training courses and surgeon volume on patient outcome must be identified. Materials and Methods: A systematic search of the available literature was carried out in June 2018 using Medline, PubMed, and the Cochrane Library. For the present analysis 81 publications were identified as relevant. Results: Well-structured simulation-based training courses was found to be associated with a reduced perioperative complication rate for patients operated on by trainees...
2018: Frontiers in Surgery
https://www.readbyqxmd.com/read/30324048/using-immersive-simulation-to-engage-pediatric-residents-in-difficult-conversations-and-the-disclosure-of-patient-safety-events
#6
Dana A Schinasi, Irini N Kolaitis, Frances M Nadel, Yuemi An-Grogan, Rebekah Burns, Leah Berman, Annie M Quinn, Kathy N Shaw
Background Full disclosure of patient safety events (PSE) is desired by patients and their families, is required by the Joint Commission and many state laws, and is vital to improving patient outcomes. A key barrier to consistent disclosure of patient safety events is a self-reported lack of proper training. Physicians must be trained to recognize when a PSE has occurred and effectively carry out disclosure, all while caring for a patient who is actively experiencing the consequences of an unintended outcome...
August 3, 2018: Curēus
https://www.readbyqxmd.com/read/30322007/towards-end-to-end-acoustic-localization-using-deep-learning-from-audio-signals-to-source-position-coordinates
#7
Juan Manuel Vera-Diaz, Daniel Pizarro, Javier Macias-Guarasa
This paper presents a novel approach for indoor acoustic source localization using microphone arrays, based on a Convolutional Neural Network (CNN). In the proposed solution, the CNN is designed to directly estimate the three-dimensional position of a single acoustic source using the raw audio signal as the input information and avoiding the use of hand-crafted audio features. Given the limited amount of available localization data, we propose, in this paper, a training strategy based on two steps. We first train our network using semi-synthetic data generated from close talk speech recordings...
October 12, 2018: Sensors
https://www.readbyqxmd.com/read/30321850/qsar-classification-based-virtual-screening-followed-by-molecular-docking-studies-for-identification-of-potential-inhibitors-of-5-lipoxygenase
#8
T K Shameera Ahamed, Vijisha K Rajan, K Sabira, K Muraleedharan
Developments of novel inhibitors to prevent the function of 5-lipoxygenase (5-LOX) proteins that are responsible for a variety of inflammatory and allergic disease are a major challenge in the scientific community. In this study, robust QSAR classification models for predicting 5-LOX activity were developed using machine learning algorithms. The Support Vector Machines (SVM), Logistic Regression, k-Nearest Neighbour (NN) and Decision Trees were adopted to improve the prediction ability of the classification models...
October 5, 2018: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/30321497/neuronal-and-vascular-deficits-following-chronic-adaptation-to-high-altitude
#9
Nathan P Cramer, Alexandru Korotcov, Asamoah Bosomtwi, Xiufen Xu, Derek Holman, Kathleen Whiting, Scott Jones, Andrew Hoy, Bernard J Dardzinski, Zygmunt Galdzicki
We sought to understand the mechanisms underlying cognitive deficits that are reported to affect non-native subjects following their prolonged stay and/or work at high altitude (HA). We found that mice exposed to a simulated environment of 5000 m exhibit deficits in hippocampal learning and memory accompanied by abnormalities in brain MR imaging. Exposure (1-8 months) to HA led to an increase in brain ventricular volume, a reduction in relative cerebral blood flow and changes in diffusion tensor imaging (DTI) derived parameters within the hippocampus and corpus callosum...
October 12, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/30320509/multisensory-influences-on-driver-steering-during-curve-navigation
#10
Kristen L Macuga
OBJECTIVE: The effects of inertial (vestibular and somatosensory) information on driver steering during curve navigation were investigated, using an electric four-wheel mobility vehicle outfitted with a steering wheel and a portable virtual reality system. BACKGROUND: When driving, multiple sources of perceptual information are available. Researchers have focused on visual information, which plays a critical role in steering control. However, it is not yet well established how inertial information might contribute...
October 15, 2018: Human Factors
https://www.readbyqxmd.com/read/30320208/virtual-reality-tool-simulates-mri-experience
#11
Richard K J Brown, Sean Petty, Stephanie O'Malley, Jadranka Stojanovska, Matthew S Davenport, Ella A Kazerooni, Daniel Fessahazion
Magnetic resonance imaging (MRI) is an extremely useful tool for the detection and characterization of numerous pathologic processes. Although patients can benefit from the use of MRI, claustrophobia is a major issue in some cases. This fear alone can lead to cancellation of the scanning procedure in some cases and the need for conscious sedation in others. Patient anxiety during the scan can also lead to increased motion-related artifacts on the images with associated degradation of the diagnostic quality of the study...
September 2018: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/30318990/hand-motion-analysis-for-assessment-of-nursing-competence-in-ultrasound-guided-peripheral-intravenous-catheter-placement
#12
Ryan J Good, Kelly K Rothman, Daniel J Ackil, John S Kim, Jonathan Orsborn, John L Kendall
INTRODUCTION: Objective measures such as hand motion analysis are needed to assess competency in technical skills, including ultrasound-guided procedures. Ultrasound-guided peripheral intravenous catheter placement has many potential benefits and is a viable skill for nurses to learn. The objective of this study was to demonstrate the feasibility and validity of hand motion analysis for assessment of nursing competence in ultrasound-guided peripheral intravenous placement. METHODS: We conducted a prospective cohort study at a tertiary children's hospital...
October 14, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/30318129/cultural-empathy-in-physiotherapy-students-a-pre-test-post-test-study-utilising-virtual-simulation
#13
Annika Ward, Allison Mandrusiak, Tracy Levett-Jones
OBJECTIVES: To investigate how a virtual cultural simulation experience and guided reflection influenced physiotherapy students' intrapersonal and interpersonal cultural empathy, and to explore students' satisfaction with the learning experience. DESIGN: Three research arms within a single cohort: 1) pre-test post-test investigation of intrapersonal cultural empathy; 2) quasi-experimental investigation of interpersonal cultural empathy; 3) post-test measurement of satisfaction...
August 3, 2018: Physiotherapy
https://www.readbyqxmd.com/read/30317325/medical-simulator-an-innovative-tool-for-experiential-learning-application-and-reflection-of-knowledge
#14
Malik Hassan Mehmood, Hasan Salman Siddiqi, Rehana Rehman
No abstract text is available yet for this article.
July 2018: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/30317133/learning-in-the-machine-recirculation-is-random-backpropagation
#15
P Baldi, P Sadowski
Learning in physical neural systems must rely on learning rules that are local in both space and time. Optimal learning in deep neural architectures requires that non-local information be available to the deep synapses. Thus, in general, optimal learning in physical neural systems requires the presence of a deep learning channel to communicate non-local information to deep synapses, in a direction opposite to the forward propagation of the activities. Theoretical arguments suggest that for circular autoencoders, an important class of neural architectures where the output layer is identical to the input layer, alternative algorithms may exist that enable local learning without the need for additional learning channels, by using the forward activation channel as the deep learning channel...
September 27, 2018: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/30316714/bridging-the-gap-incorporating-simulation-into-obstetrics-and-gynaecology-undergraduate-medical-education
#16
Eliane M Shore, Alexandra Davidson, Michael Arnason, Husayn Kara, Anita Shah, Rajiv Shah
INTRODUCTION: Currently, simulation training is not part of the clinical clerkship rotation in obstetrics and gynaecology (OB/GYN) at the University of Toronto. Instead, students are taught formally through lectures and informally on the ward or in the operating room. This study aimed to incorporate simulation using a high fidelity postpartum hemorrhage (PPH) workshop into the teaching curriculum, with the goal of improving both medical knowledge of PPH and nontechnical skills (NTS). METHOD: A novel teaching session was introduced for the third-year clerks on their OB/GYN rotation...
October 10, 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/30314547/development-and-evaluation-of-an-elective-course-that-incorporates-a-standard-medication-therapy-management-certificate-program
#17
Karleen Melody, Elizabeth M Harris, Anisha B Grover
BACKGROUND AND PURPOSE: To describe the development and evaluation of a medication therapy management (MTM) elective that incorporates a nationally recognized certificate training program (CTP) by assessing changes in perceived abilities and values among student pharmacists, knowledge of course material, and performance conducting MTM services. Student satisfaction with course content and delivery model was also evaluated. EDUCATIONAL ACTIVITY AND SETTING: University faculty developed a didactic elective course to provide third-professional year student pharmacists with the opportunity to meet the learning objectives of the American Pharmacists Association (APhA) "Delivering Medication Therapy Management Services" CTP...
August 2018: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/30314542/interprofessional-education-through-a-telehealth-team-based-learning-exercise-focused-on-pharmacogenomics
#18
Kelly M Quesnelle, David R Bright, Lisa A Salvati
BACKGROUND: Traditional interprofessional educational (IPE) exercises are those where learning exists "about, from, and with" trainees in two or more professions in order to prepare health sciences professionals to work on interprofessional teams. One emerging difficulty with IPE is the paucity of health profession students at single institutions, and the geographic and financial constraints of multi-institutional collaboration. INTERPROFESSIONAL EDUCATION ACTIVITY: To circumvent these barriers, we developed a multi-institution telehealth team-based learning (TBL) event between medical and pharmacy students on the topic of pharmacogenomics (PGx)...
August 2018: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/30314429/dense-neural-networks-for-predicting-chromatin-conformation
#19
Pau Farré, Alexandre Heurteau, Olivier Cuvier, Eldon Emberly
BACKGROUND: DNA inside eukaryotic cells wraps around histones to form the 11nm chromatin fiber that can further fold into higher-order DNA loops, which may depend on the binding of architectural factors. Predicting how the DNA will fold given a distribution of bound factors, here viewed as a type of sequence, is currently an unsolved problem and several heterogeneous polymer models have shown that many features of the measured structure can be reproduced from simulations. However a model that determines the optimal connection between sequence and structure and that can rapidly assess the effects of varying either one is still lacking...
October 11, 2018: BMC Bioinformatics
https://www.readbyqxmd.com/read/30312506/modelling-habituation-of-introduced-predators-to-unrewarding-bird-odors-for-conservation-of-ground-nesting-shorebirds
#20
M Cecilia Latham, Dean P Anderson, Grant Norbury, Catherine J Price, Peter B Banks, A David M Latham
Foraging mammalian predators face a myriad of odors from potential prey. To be efficient they must focus on rewarding odor while ignoring consistently unrewarding ones. This may be exploited as a non-lethal conservation tool if predators can be deceived into ignoring odors of vulnerable secondary prey. To explore critical design components and assess the potential gains to prey survival of this technique, we created an individual-based model that simulated the hunting behavior of three introduced mammalian predators on one of their secondary prey (a migratory shorebird) in the South Island of New Zealand...
October 12, 2018: Ecological Applications: a Publication of the Ecological Society of America
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