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https://www.readbyqxmd.com/read/28806820/didactic-training-vs-computer-based-self-learning-in-the-prediction-of-diminutive-colon-polyp-histology-by-trainees-a-randomized-controlled-study
#1
Taimur Khan, Birtukan Cinnor, Neil Gupta, Lindsay Hosford, Ajay Bansal, Mojtaba S Olyaee, Sachin Wani, Amit Rastogi
Background and study aim Experts can accurately predict diminutive polyp histology, but the ideal method to train nonexperts is not known. The aim of the study was to compare accuracy in diminutive polyp histology characterization using narrow-band imaging (NBI) between participants undergoing classroom didactic training vs. computer-based self-learning. Participants and methods Trainees at two institutions were randomized to classroom didactic training or computer-based self-learning. In didactic training, experienced endoscopists reviewed a presentation on NBI patterns for adenomatous and hyperplastic polyps and 40 NBI videos, along with interactive discussion...
August 14, 2017: Endoscopy
https://www.readbyqxmd.com/read/28806718/stochastic-separation-theorems
#2
A N Gorban, I Y Tyukin
The problem of non-iterative one-shot and non-destructive correction of unavoidable mistakes arises in all Artificial Intelligence applications in the real world. Its solution requires robust separation of samples with errors from samples where the system works properly. We demonstrate that in (moderately) high dimension this separation could be achieved with probability close to one by linear discriminants. Based on fundamental properties of measure concentration, we show that for M<aexp(bn) random M-element sets in R(n) are linearly separable with probability p, p>1-ϑ, where 1>ϑ>0 is a given small constant...
July 31, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28806717/efficient-construction-of-sparse-radial-basis-function-neural-networks-using-l1-regularization
#3
Xusheng Qian, He Huang, Xiaoping Chen, Tingwen Huang
This paper investigates the construction of sparse radial basis function neural networks (RBFNNs) for classification problems. An efficient two-phase construction algorithm (which is abbreviated as TPCLR1 for simplicity) is proposed by using L1 regularization. In the first phase, an improved maximum data coverage (IMDC) algorithm is presented for the initialization of RBF centers and widths. Then a specialized Orthant-Wise Limited-memory Quasi-Newton (sOWL-QN) method is employed to perform simultaneous network pruning and parameter optimization in the second phase...
July 27, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28806490/challenges-and-resources-for-nurses-participating-in-a-hurricane-sandy-hospital-evacuation
#4
Nancy VanDevanter, Victoria H Raveis, Christine T Kovner, Meriel McCollum, Ronald Keller
PURPOSE: Weather-related disasters have increased dramatically in recent years. In 2012, severe flooding as a result of Hurricane Sandy necessitated the mid-storm patient evacuation of New York University Langone Medical Center. The purpose of this study was to explore, from the nurses' perspective, what the challenges and resources were to carrying out their responsibilities, and what the implications are for nursing education and preparation for disaster. DESIGN: This mixed-methods study included qualitative interviews with a purposive sample of nurses and an online survey of nurses who participated in the evacuation...
August 14, 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28806233/enhancing-key-competencies-of-health-professionals-in-the-assessment-and-care-of-adults-at-risk-of-suicide-through-education-and-technology
#5
Kathryn Ryan, Claudia Tindall, Gillian Strudwick
PURPOSE: This article describes efforts undertaken to improve the clinical competencies of health professionals in the area of suicide risk assessment, documentation, and care planning. DESCRIPTION OF THE PROJECT: Best practices that fit the mental health and addictions setting were identified from the Registered Nurses' Association of Ontario Best Practice Guideline on Assessment and Care of Adults at Risk for Suicidal Ideation and Behaviour. A variety of methods were used to implement the guidelines at the Centre for Addiction and Mental Health in Toronto, Ontario, Canada...
September 2017: Clinical Nurse Specialist CNS
https://www.readbyqxmd.com/read/28806091/sparsity-based-super-resolution-for-sem-images
#6
Shahar Tsiper, Or Dicker, Idan Kaizerman, Zeev Zohar, Mordechai Segev, Yonina C Eldar
The Scanning Electron Microscope (SEM) is an electron microscope that produces an image of a sample by scanning it with a focused beam of electrons. The electrons interact with the atoms in the sample, which emit secondary electrons that contain information about the surface topography and composition. The sample is scanned by the electron beam point by point, until an image of the surface is formed. Since its invention in 1942, the capabilities of SEMs have become paramount in the discovery and understanding of the nanometer world, and today it is extensively used for both research and in industry...
August 14, 2017: Nano Letters
https://www.readbyqxmd.com/read/28805472/network-experiences-from-a-cross-sector-biosafety-level-3-laboratory-collaboration-a-swedish-forum-for-biopreparedness-diagnostics
#7
Johanna Thelaus, Anna Lindberg, Susanne Thisted Lambertz, Mona Byström, Mats Forsman, Hans Lindmark, Rickard Knutsson, Viveca Båverud, Andreas Bråve, Pontus Jureen, Annelie Lundin Zumpe, Öjar Melefors
The Swedish Forum for Biopreparedness Diagnostics (FBD) is a network that fosters collaboration among the 4 agencies with responsibility for the laboratory diagnostics of high-consequence pathogens, covering animal health and feed safety, food safety, public health and biodefense, and security. The aim of the network is to strengthen capabilities and capacities for diagnostics at the national biosafety level-3 (BSL-3) laboratories to improve Sweden's biopreparedness, in line with recommendations from the EU and WHO...
August 14, 2017: Health Security
https://www.readbyqxmd.com/read/28804603/towards-a-more-transparent-hta-process-in-poland-new-polish-hta-methodological-guidelines
#8
Krzysztof Lach, Michal Dziwisz, Cécile Rémuzat, Mondher Toumi
Introduction: Health technology assessment (HTA) in Poland supports reimbursement decisions via the Polish HTA Agency (AOTMiT), whose guidelines were updated in 2016. Methods: We identified key changes introduced by the update and, before guideline publication, analysed discrepancies between AOTMiT assessments and the submitting marketing authorisation holders (MAHs) to elucidate the context of the update. We compared the clarity and detail of the new guidelines versus those of the UK's National Institute for Health and Care Excellence (NICE)...
2017: Journal of Market Access & Health Policy
https://www.readbyqxmd.com/read/28804467/learning-about-expectation-violation-from-prediction-error-paradigms-a-meta-analysis-on-brain-processes-following-a-prediction-error
#9
Lisa D'Astolfo, Winfried Rief
Modifying patients' expectations by exposing them to expectation violation situations (thus maximizing the difference between the expected and the actual situational outcome) is proposed to be a crucial mechanism for therapeutic success for a variety of different mental disorders. However, clinical observations suggest that patients often maintain their expectations regardless of experiences contradicting their expectations. It remains unclear which information processing mechanisms lead to modification or persistence of patients' expectations...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28803947/monitoring-stress-with-a-wrist-device-using-context
#10
Martin Gjoreski, Mitja Luštrek, Matjaž Gams, Hristijan Gjoreski
Being able to detect stress as it occurs can greatly contribute to dealing with its negative health and economic consequences. However, detecting stress in real life with an unobtrusive wrist device is a challenging task. The objective of this study is to develop a method for stress detection that can accurately, continuously and unobtrusively monitor psychological stress in real life. First, we explore the problem of stress detection using machine learning and signal processing techniques in laboratory conditions, and then we apply the extracted laboratory knowledge to real-life data...
August 10, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28803840/development-and-validation-of-risk-equations-for-complications-of-type-2-diabetes-recode-using-individual-participant-data-from-randomised-trials
#11
Sanjay Basu, Jeremy B Sussman, Seth A Berkowitz, Rodney A Hayward, John S Yudkin
BACKGROUND: In view of substantial mis-estimation of risks of diabetes complications using existing equations, we sought to develop updated Risk Equations for Complications Of type 2 Diabetes (RECODe). METHODS: To develop and validate these risk equations, we used data from the Action to Control Cardiovascular Risk in Diabetes study (ACCORD, n=9635; 2001-09) and validated the equations for microvascular events using data from the Diabetes Prevention Program Outcomes Study (DPPOS, n=1018; 1996-2001), and for cardiovascular events using data from the Action for Health in Diabetes (Look AHEAD, n=4760; 2001-12)...
August 10, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28803630/evaluation-of-the-training-capacity-of-the-spanish-resident-book-of-otolaryngology-formir-as-an-electronic-portfolio
#12
Juan Manuel Maza Solano, Gustavo Benavente Bermudo, Francisco José Estrada Molina, Jesús Ambrosiani Fernández, Serafín Sánchez Gómez
BACKGROUND: and objectives We have evaluated the training capacity of the Spanish resident training book as an electronic portfolio to achieve the learning objectives of otorhinolaryngology (ENT) residents. METHODS: A multi-method qualitative investigation with transversal characteristics, temporal and retrospective guidance was performed on Spanish ENT residents using a structured questionnaire, a semi-structured interview, and a computer application on the FORMIR website...
August 10, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28803440/electrical-impedance-tomography-for-diagnosis-and-monitoring-of-pulmonary-function-disorders-in-the-intensive-care-unit-case-report-and-review-of-literature
#13
Szymon Białka, Maja Copik, Katarzyna Rybczyk, Hanna Misiołek
The aim of this paper is to describe the possibility of using Electrical Impedance Tomography (EIT) as a treatment monitoring tool in the ICU. It was based on case report and literature review. A 19-year-old female was admitted to ICU due to severe acute respiratory distress syndrome. Despite aggressive treatment there was no improvement. We decided to use EIT in the monitoring of treatment because of difficulties in transporting the patient to the radiology department in order to perform a control CT scan...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28803176/an-easy-efficient-and-mobile-way-for-training-microsurgical-skills-during-busy-life-of-neurosurgical-residency-and-resource-challenged-environment
#14
Antti Huotarinen, Mika Niemelä, Behnam Rezai Jahromi
BACKGROUND: Residents life is more than hectic, it is hard to find place and time for training basic and advanced microsurgical skills. Surgical instruments, sutures can be purchased (or loaned from department) but the most expensive and space occupying device is microscope. In developing countries microscopes are used where the need is most; in operation rooms. Furthermore conventional microscope is not portable. For all mentioned reasons availability of microscope for training microsurgery is very limited...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28802838/identification-of-immune-correlates-of-protection-in-shigella-infection-by-application-of-machine-learning
#15
Jorge M Arevalillo, Marcelo B Sztein, Karen L Kotloff, Myron M Levine, Jakub K Simon
BACKGROUND: Immunologic correlates of protection are important in vaccine development because they give insight into mechanisms of protection, assist in the identification of promising vaccine candidates, and serve as endpoints in bridging clinical vaccine studies. Our goal is the development of a methodology to identify immunologic correlates of protection using the Shigella challenge as a model. METHODS: The proposed methodology utilizes the Random Forests (RF) machine learning algorithm as well as Classification and Regression Trees (CART) to detect immune markers that predict protection, identify interactions between variables, and define optimal cutoffs...
August 9, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28802449/living-with-an-autonomous-spatiotemporal-home-heating-system-exploration-of-the-user-experiences-ux-through-a-longitudinal-technology-intervention-based-mixed-methods-approach
#16
Martin Kruusimagi, Sarah Sharples, Darren Robinson
Rising energy demands place pressure on domestic energy consumption, but savings can be delivered through home automation and engaging users with their heating and energy behaviours. The aim of this paper is to explore user experiences (UX) of living with an automated heating system regarding experiences of control, understanding of the system, emerging thermal behaviours, and interactions with the system as this area is not sufficiently researched in the existing homes setting through extended deployment. We present a longitudinal deployment of a quasi-autonomous spatiotemporal home heating system in three homes...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28802426/comparison-between-antegrade-intramedullary-nailing-imn-open-reduction-plate-osteosynthesis-orpo-and-minimally-invasive-plate-osteosynthesis-mipo-in-treatment-of-humerus-diaphyseal-fractures
#17
Vidisha Sunil Kulkarni, Madhura Sujay Kulkarni, Govind Shivram Kulkarni, Vaibhav Goyal, Milind Govind Kulkarni
INTRODUCTION: The three currently used methods of treatment: namely open reduction plate osteosynthesis (ORPO), Minimally invasive plate osteosynthesis (MIPO), antegrade intramedullary nailing(IMN) are all reported as satisfactory procedures for treatment of humeral shaft fractures. However none of the published reports have a comparison of superiority of one procedure over the other. We evaluated the clinical, radiological and functional outcome of the three procedures. MATERIALS AND METHODS: We studied adult patients with humerus shaft fractures over a period of 2 years from May 2014 to May 2016 in a level 1 trauma center...
August 2017: Injury
https://www.readbyqxmd.com/read/28802162/efficient-dynamic-graph-construction-for-inductive-semi-supervised-learning
#18
F Dornaika, R Dahbi, A Bosaghzadeh, Y Ruichek
Most of graph construction techniques assume a transductive setting in which the whole data collection is available at construction time. Addressing graph construction for inductive setting, in which data are coming sequentially, has received much less attention. For inductive settings, constructing the graph from scratch can be very time consuming. This paper introduces a generic framework that is able to make any graph construction method incremental. This framework yields an efficient and dynamic graph construction method that adds new samples (labeled or unlabeled) to a previously constructed graph...
July 24, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28801817/contour-segmentation-of-the-intima-media-and-adventitia-layers-in-intracoronary-oct-images-application-to-fully-automatic-detection-of-healthy-wall-regions
#19
Guillaume Zahnd, Ayla Hoogendoorn, Nicolas Combaret, Antonios Karanasos, Emilie Péry, Laurent Sarry, Pascal Motreff, Wiro Niessen, Evelyn Regar, Gijs van Soest, Frank Gijsen, Theo van Walsum
PURPOSE: Quantitative and automatic analysis of intracoronary optical coherence tomography images is useful and time-saving to assess cardiovascular risk in the clinical arena. METHODS: First, the interfaces of the intima, media, and adventitia layers are segmented, by means of an original front propagation scheme, running in a 4D multi-parametric space, to simultaneously extract three non-crossing contours in the initial cross-sectional image. Second, information resulting from the tentative contours is exploited by a machine learning approach to identify healthy and diseased regions of the arterial wall...
August 11, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28801372/multi-variant-genetic-panel-for-genetic-risk-of-opioid-addiction
#20
Keri Donaldson, Laurence Demers, Kirk Taylor, Joe Lopez, Sherman Chang
Over 116 million people worldwide have chronic pain and prescription dependence. In the US, opioids account for the majority of overdose deaths, and in 2014, almost 2 million Americans abused or were dependent on prescription opioids. Genetic factors may play a key role in opioid prescription addiction. Herein, we describe genetic variations between opioid addicted and non-addicted populations and derive a predictive model determining risk of opioid addiction. This case cohort study compares the frequency of 16 single nucleotide polymorphisms involved in the brain reward pathways in patients with and without opioid addiction...
August 2017: Annals of Clinical and Laboratory Science
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