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https://www.readbyqxmd.com/read/29775313/force-field-for-water-based-on-neural-network
#1
Hao Wang, Weitao Yang
We developed a novel neural network based force field for water based on training with high level ab initio theory. The force field was built based on electrostatically embedded many-body expansion method truncated at binary interactions. Many-body expansion method is a common strategy to partition the total Hamiltonian of large systems into a hierarchy of few-body terms. Neural networks were trained to represent electrostatically embedded one-body and two-body interactions, which require as input only one and two water molecule calculations at the level of ab initio electronic structure method CCSD/aug-cc-pVDZ embedded in the molecular mechanics water environment, making it efficient as a general force field construction approach...
May 18, 2018: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/29775080/mindfulness-meditation-and-interprofessional-cardiopulmonary-resuscitation-a-mixed-methods-pilot-study
#2
Diana J Kelm, Jennifer L Ridgeway, Becca L Gas, Monali Mohan, David A Cook, Darlene R Nelson, Roberto P Benzo
PROBLEM: Mindfulness training includes mindfulness meditation, which has been shown to improve both attention and self-awareness. Medical providers in the intensive care unit often deal with difficult situations with strong emotions, life-and-death decisions, and both interpersonal and interprofessional conflicts. The effect of mindfulness meditation training on healthcare providers during acute care tasks such as cardiopulmonary resuscitation remains unknown. Mindfulness meditation has the potential to improve provider well-being and reduce stress in individuals involved in resuscitation teams, which could then translate into better team communication and delivery of care under stress...
May 18, 2018: Teaching and Learning in Medicine
https://www.readbyqxmd.com/read/29774017/identifying-group-specific-sequences-for-microbial-communities-using-long-k-mer-sequence-signatures
#3
Ying Wang, Lei Fu, Jie Ren, Zhaoxia Yu, Ting Chen, Fengzhu Sun
Comparing metagenomic samples is crucial for understanding microbial communities. For different groups of microbial communities, such as human gut metagenomic samples from patients with a certain disease and healthy controls, identifying group-specific sequences offers essential information for potential biomarker discovery. A sequence that is present, or rich, in one group, but absent, or scarce, in another group is considered " group-specific " in our study. Our main purpose is to discover group-specific sequence regions between control and case groups as disease-associated markers...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29773411/evolution-of-an-evidence-based-supermicrosurgery-simulation-training-curriculum-a-systematic-review
#4
REVIEW
Georgios Pafitanis, Mitsunaga Narushima, Takumi Yamamoto, Maria Raveendran, Damjan Veljanoski, Ali M Ghanem, Simon Myers, Isao Koshima
BACKGROUND: Supermicrosurgery (SM) involves operating on vessels with calibers from 0.3-0.8 mm. SM requires skills beyond those of conventional microsurgery. Current microsurgery courses do not prepare a junior surgeon for such a challenge. Several models have been developed to assist in the early learning curve, but their true purpose, benefit, and validation have not been addressed. This systematic literature review summarizes the existing SM simulation models, and their likely impact on microsurgery training for small-caliber vessel-based procedures is assessed...
April 12, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29773409/correlation-of-objective-assessment-data-with-general-surgery-resident-in-training-evaluation-reports-and-operative-volumes
#5
Jad M Abdelsattar, Yazan N AlJamal, Raaj K Ruparel, Phillip G Rowse, Stephanie F Heller, David R Farley
OBJECTIVE: Faculty evaluations, ABSITE scores, and operative case volumes often tell little about true resident performance. We developed an objective structured clinical examination called the Surgical X-Games (5 rooms, 15 minutes each, 12-15 tests total, different for each postgraduate [PGY] level). We hypothesized that performance in X-Games will prove more useful in identifying areas of strength or weakness among general surgery (GS) residents than faculty evaluations, ABSITE scores, or operative cases volumes...
May 14, 2018: Journal of Surgical Education
https://www.readbyqxmd.com/read/29771814/using-technology-to-enhance-teaching-of-patient-centered-interviewing-for-early-medical-students
#6
Stacey Kaltman, Nicholas Talisman, Susan Pennestri, Eleri Syverson, Paige Arthur, Yianna Vovides
INTRODUCTION: Effective strategies for teaching communication skills to health professions students are needed. This article describes the design and evaluation of immersive and interactive video simulations for medical students to practice basic communication skills. METHODS: Three simulations were developed, focusing on patient-centered interviewing techniques such as using open-ended questions, reflections, and empathic responses while assessing a patient's history of present illness...
May 15, 2018: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/29771811/use-of-emergency-manuals-during-actual-critical-events-in-china-a-multi-institutional-study
#7
Jeffrey Huang, Jiayan Wu, Christina Dai, Xianwei Zhang, Hui Ju, Yiqi Chen, Chunyuan Zhang, Fan Ye, Yi Tan, Yongbo Zong, Telong Liu
INTRODUCTION: Emergency manuals (EMs) can help healthcare providers respond to crises more efficiently. Three anesthesia EMs have been translated into Chinese. These EMs have been made publicly available as a free document downloadable in China. A year after these Chinese versions of EMs were published, we conducted a multi-institutional survey in China to assess the progress of how well EM had been adapted and used in the setting of critical events. METHODS: Our study used a multi-institutional, anonymous electronic survey...
May 16, 2018: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/29771669/suboptimal-scheduling-in-switched-systems-with-continuous-time-dynamics-a-least-squares-approach
#8
Tohid Sardarmehni, Ali Heydari
Two approximate solutions for optimal control of switched systems with autonomous subsystems and continuous-time dynamics are presented. The first solution formulates a policy iteration (PI) algorithm for the switched systems with recursive least squares. To reduce the computational burden imposed by the PI algorithm, a second solution, called single loop PI, is presented. Online and concurrent training algorithms are discussed for implementing each solution. At last, effectiveness of the presented algorithms is evaluated through numerical simulations...
June 2018: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/29770437/evaluation-of-video-self-instruction-for-implementing-paired-stimulus-preference-assessments
#9
Candice Hansard, Ellie Kazemi
We trained four undergraduate students who reported no prior experience implementing behavior-analytic procedures to conduct a paired-stimulus preference assessment using a video self-instruction package. The package was composed of several components from prior research (i.e., a voice-over script, written instructions, multiple video models per step, and instructions for the trainee to rehearse throughout the video presentation). We used a nonconcurrent, multiple-baseline-across-participants design and found that all participants accurately implemented the preference assessment with a simulated client after viewing the video once...
May 17, 2018: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/29770183/colour-for-behavioural-success
#10
Birgitta Dresp-Langley, Adam Reeves
Colour information not only helps sustain the survival of animal species by guiding sexual selection and foraging behaviour but also is an important factor in the cultural and technological development of our own species. This is illustrated by examples from the visual arts and from state-of-the-art imaging technology, where the strategic use of colour has become a powerful tool for guiding the planning and execution of interventional procedures. The functional role of colour information in terms of its potential benefits to behavioural success across the species is addressed in the introduction here to clarify why colour perception may have evolved to generate behavioural success...
March 2018: I-Perception
https://www.readbyqxmd.com/read/29769755/automatic-quantification-framework-to-detect-cracks-in-teeth
#11
Hina Shah, Pablo Hernandez, Francois Budin, Deepak Chittajallu, Jean-Baptiste Vimort, Rick Walters, André Mol, Asma Khan, Beatriz Paniagua
Studies show that cracked teeth are the third most common cause for tooth loss in industrialized countries. If detected early and accurately, patients can retain their teeth for a longer time. Most cracks are not detected early because of the discontinuous symptoms and lack of good diagnostic tools. Currently used imaging modalities like Cone Beam Computed Tomography (CBCT) and intraoral radiography often have low sensitivity and do not show cracks clearly. This paper introduces a novel method that can detect, quantify, and localize cracks automatically in high resolution CBCT (hr-CBCT) scans of teeth using steerable wavelets and learning methods...
February 2018: Proceedings of SPIE
https://www.readbyqxmd.com/read/29769371/how-are-we-currently-training-and-maintaining-clinical-readiness-of-us-and-uk-military-surgeons-responsible-for-managing-head-face-and-neck-wounds-on-deployment
#12
John Breeze, J G Combes, J DuBose, D B Powers
INTRODUCTION: The conflicts in Iraq and Afghanistan provided military surgeons from the USA and the UK with extensive experience into the management of injuries to the head, face and neck (HFN) from high energy bullets and explosive weaponry. The challenge is now to maintain the expertise in managing such injuries for future military deployments. METHODS: The manner in which each country approaches four parameters required for a surgeon to competently treat HFN wounds in deployed military environments was compared...
May 16, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29769058/efficacy-of-standardized-training-on-a-virtual-reality-simulator-to-advance-knee-and-shoulder-arthroscopic-motor-skills
#13
Stefan Rahm, Karl Wieser, David E Bauer, Felix Wa Waibel, Dominik C Meyer, Christian Gerber, Sandro F Fucentese
BACKGROUND: Most studies demonstrated, that training on a virtual reality based arthroscopy simulator leads to an improvement of technical skills in orthopaedic surgery. However, how long and what kind of training is optimal for young residents is unknown. In this study we tested the efficacy of a standardized, competency based training protocol on a validated virtual reality based knee- and shoulder arthroscopy simulator. METHODS: Twenty residents and five experts in arthroscopy were included...
May 16, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29768096/lower-extremity-muscle-function-of-front-row-rugby-union-scrummaging
#14
Mostafa Yaghoubi, Sally D Lark, Wyatt H Page, Philip W Fink, Sarah P Shultz
A rugby scrum's front row must act uniformly to transfer maximal horizontal force and improve performance. This study investigated the muscle activation patterns of lower extremity muscles in front row forwards during live and machine scrums at professional and amateur levels. Electromyography was collected bilaterally on vastus lateralis, rectus femoris and gastrocnemius muscles of 75 male rugby prop players during live and machine scrums. ANOVAs compared muscle reaction time, rate of change in muscle amplitude and muscle amplitude between groups and conditions...
May 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29767569/teaching-tip-development-of-veterinary-anesthesia-simulations-for-pre-clinical-training-design-implementation-and-evaluation-based-on-student-perspectives
#15
Jana L Jones, Jim Rinehart, Jacqueline Jordan Spiegel, Ryane E Englar, Brian K Sidaway, Joie Rowles
Anesthesia simulations have been used in pre-clinical medical training for decades to help learners gain confidence and expertise in an operating room environment without danger to a live patient. The authors describe a veterinary anesthesia simulation environment (VASE) with anesthesia scenarios developed to provide a re-creation of a veterinarian's task environment while performing anesthesia. The VASE uses advanced computer technology with simulator inputs provided from standard monitoring equipment in common use during veterinary anesthesia and a commercial canine training mannequin that allows intubation, ventilation, and venous access...
2018: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/29766036/simulation-based-airway-management-training-for-anesthesiologists-a-brief-review-of-its-essential-role-in-skills-training-for-clinical-competency
#16
Nobuyasu Komasawa, Benjamin W Berg
In clinical practice, failure of proper airway management can lead to significant patient morbidity and mortality. Difficult airway management comprises a fundamental skill set for anesthesiologists and has long been recognized as one of the most challenging skills. Simulation-based training is an essential technique to establish and maintain technical and nontechnical skills for airway management. We review the evidence-based utility of simulation-based training for anesthesiologists to accquire technical and nontechnical airway mangement skills...
October 2017: Journal of Education in Perioperative Medicine: JEPM
https://www.readbyqxmd.com/read/29765829/injury-of-the-carotid-artery-during-endoscopic-endonasal-surgery-surveys-of-skull-base-surgeons
#17
Nicholas R Rowan, Meghan T Turner, Benita Valappil, Juan C Fernandez-Miranda, Eric W Wang, Paul A Gardner, Carl H Snyderman
Objectives  This study aimed to review endoscopic skull base surgeon experience with internal carotid artery (ICA) injuries during endoscopic endonasal surgery (EES) to provide an estimate of the incidence of ICA injury, the associated factors and identify the best training modalities for the management of this complication. Design  Anonymous electronic survey of past participants at a well-established endoscopic skull base surgery course and a global online community of skull base surgeons. Main Outcome Measures  Relative incidence of ICA injuries during EES, associated anatomic and intraoperative factors, and surgeon experience...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765445/augmented-reality-in-neurosurgery
#18
Raniel Tagaytayan, Arpad Kelemen, Cecilia Sik-Lanyi
Neurosurgery is a medical specialty that relies heavily on imaging. The use of computed tomography and magnetic resonance images during preoperative planning and intraoperative surgical navigation is vital to the success of the surgery and positive patient outcome. Augmented reality application in neurosurgery has the potential to revolutionize and change the way neurosurgeons plan and perform surgical procedures in the future. Augmented reality technology is currently commercially available for neurosurgery for simulation and training...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29765298/real-time-tracking-of-selective-auditory-attention-from-m-eeg-a-bayesian-filtering-approach
#19
Sina Miran, Sahar Akram, Alireza Sheikhattar, Jonathan Z Simon, Tao Zhang, Behtash Babadi
Humans are able to identify and track a target speaker amid a cacophony of acoustic interference, an ability which is often referred to as the cocktail party phenomenon. Results from several decades of studying this phenomenon have culminated in recent years in various promising attempts to decode the attentional state of a listener in a competing-speaker environment from non-invasive neuroimaging recordings such as magnetoencephalography (MEG) and electroencephalography (EEG). To this end, most existing approaches compute correlation-based measures by either regressing the features of each speech stream to the M/EEG channels (the decoding approach) or vice versa (the encoding approach)...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29764548/-effects-of-different-core-temperatures-after-heat-strike-on-serum-inflammatory-cytokines-and-multiple-organ-dysfunction-syndrome-in-rats
#20
Qinghua Li, Rongqing Sun, Hongdi Lyu, Dexin Shen, Qing Hu, Haiwei Wang, Nannan Wang, Jin Yan, Jing Wang
OBJECTIVE: To observe the effect of different core temperatures (Tc) after heat strike on serum inflammatory cytokines and multiple organ dysfunction syndrome (MODS) in rat. METHODS: 120 male Sprague-Dawley (SD) rats were randomly divided into normal control group (n = 30) and heat strike group (n = 90). The rats in heat strike group were put into simulated thermal climate animal module after adaptive training. The module temperature was raised to 39 centigrade in 30 minutes with 65% humidity...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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