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trauma simulation

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https://www.readbyqxmd.com/read/28646627/collecting-validity-evidence-for-simulation-based-assessment-of-point-of-care-ultrasound-skills
#1
Jesper Kørup Jensen, Liv Dyre, Mattis Enggaard Jørgensen, Lisbeth Anita Andreasen, Martin Grønnebaek Tolsgaard
OBJECTIVES: The aim of this study was to examine the validity of a simulator test designed to evaluate focused assessment with sonography for trauma (FAST) skills. METHODS: Participants included a group of ultrasound novices (n = 25) and ultrasound experts (n = 10). All participants had their FAST skills assessed using a virtual reality ultrasound simulator. Procedural performance on the 4 FAST windows was assessed by automated simulator metrics, which received a passing or failing score...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28629581/impact-of-a-teamstepps-trauma-nurse-academy-at-a-level-1-trauma-center
#2
V Kristen Peters, Ellen M Harvey, Andi Wright, Jennifer Bath, Dan Freeman, Bryan Collier
PROBLEM: Nurses are crucial members of the team caring for the acutely injured trauma patient. Until recently, nurses and physicians gained an understanding of leadership and supportive roles separately. With the advent of a multidisciplinary team approach to trauma care, formal team training and simulation has transpired. METHODS: Since 2007, our Level I trauma system has integrated TeamSTEPPS (Team Strategies & Tools to Enhance Performance & Patient Safety; Agency for Healthcare Research and Quality, Rockville, MD) into our clinical care, joint training of nurses and physicians, using simulations with participation of all health care providers...
June 16, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28620908/a-dirichlet-process-mixture-model-for-clustering-longitudinal-gene-expression-data
#3
Jiehuan Sun, Jose D Herazo-Maya, Naftali Kaminski, Hongyu Zhao, Joshua L Warren
Subgroup identification (clustering) is an important problem in biomedical research. Gene expression profiles are commonly utilized to define subgroups. Longitudinal gene expression profiles might provide additional information on disease progression than what is captured by baseline profiles alone. Therefore, subgroup identification could be more accurate and effective with the aid of longitudinal gene expression data. However, existing statistical methods are unable to fully utilize these data for patient clustering...
June 15, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28617927/biomechanical-evaluations-of-injury-risk-for-blast-loading
#4
Bahram Notghi, Rajneesh Bhardwaj, Shantanu Bailoor, Kimberly Thompson, Ashley A Weaver, Joel D Stitzel, Thao Vicky Nguyen
Ocular trauma is one of the most common types of combat injuries resulting from the exposure of military personnel with improvised explosive devices. The injury mechanism associated with the primary blast wave are poorly understood. We employed a three-dimensional computational model, which included the main internal ocular structures of the eye, spatially varying thickness of the cornea-scleral shell, and nonlinear tissue properties, to calculate the intraocular pressure and stress state of the eye-wall and internal ocular structure caused by blast...
June 15, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28614838/factitious-dermatitis-due-to-thermal-burn-with-histologic-features-simulating-fixed-drug-eruption
#5
Leah Persad, Sadia Salim, Kiran Motaparthi
Factitious dermatitis (FD) (dermatitis artefacta) is rare and often difficult to diagnose because of conflicting history and nonspecific clinical and histologic findings. It can present with varied clinical features including geometric ulcers, erosions, and less commonly bullae secondary to external trauma from chemicals, electric burns, heat, and suction. Herein, we describe a case of bullous FD due to thermal burn with histologic features demonstrating overlap with fixed drug eruption. Histopathology demonstrated a subepidermal blister with epidermal necrosis along with pigment incontinence and dermal eosinophils and neutrophils...
January 31, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28614152/superficial-automated-keratopigmentation-for-iris-and-pupil-simulation-using-micronized-mineral-pigments-and-a-new-puncturing-device-experimental-study
#6
Alejandra E Rodriguez, Maria A Amesty, Mohammed El Bahrawy, Severino Rey, Jorge Alio Del Barrio, Jorge L Alio
PURPOSE: To study the outcomes and tolerance of micronized mineral pigments for corneal tattooing, using a superficial automated keratopigmentation (SAK) technique in an experimental animal model and a new puncture device to inject the pigments into the corneal stroma. METHODS: Forty eyes of 40 New Zealand rabbits were included in this study. The animals were divided into groups A and B. Both groups underwent SAK using a new automated keratopigmentation device. Micronized mineral pigments were injected through the epithelium into the corneal stroma to replicate the iris color in 25 eyes (group A), and black color was used to replicate the pupil in 15 eyes (group B)...
June 13, 2017: Cornea
https://www.readbyqxmd.com/read/28594983/a-facial-trauma-simulation-course-for-evaluation-and-treatment-of-facial-fractures
#7
J Jared Christophel, Stephen S Park, Stephen J Nogan, Garth F Essig
Importance: Traditional facial trauma laboratories are used for teaching basic concepts of fracture reduction and hardware manipulation. Facial trauma simulation laboratories allow training physicians the opportunity to develop unique treatment plans as they would in real patient encounters. Objective: To assess the value of a novel facial trauma simulation course requiring residents to practice advanced decision making. Design, Setting, and Participants: Data were prospectively collected July 23 and August 23 and 24, 2016, in a survey study during a resident physician trauma simulation course...
June 8, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28593358/accuracy-in-identifying-the-elbow-rotation-axis-on-simulated-fluoroscopic-images-using-a-new-anatomical-landmark
#8
J K Wiggers, R M Snijders, J G G Dobbe, G J Streekstra, D den Hartog, N W L Schep
External fixation of the elbow requires identification of the elbow rotation axis, but the accuracy of traditional landmarks (capitellum and trochlea) on fluoroscopy is limited. The relative distance (RD) of the humerus may be helpful as additional landmark. The first aim of this study was to determine the optimal RD that corresponds to an on-axis lateral image of the elbow. The second aim was to assess whether the use of the optimal RD improves the surgical accuracy to identify the elbow rotation axis on fluoroscopy...
June 7, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28580202/the-empty-chairs-approach-to-learning-simulation-based-train-the-trainer-program-in-mzuzu-malawi
#9
Elaine Sigalet, Ian Wishart, Norman Lufesi, Faizal Haji, Adam Dubrowski
Together, a group of Canadian colleagues from St. John's, Newfoundland, Calgary, Alberta (some via Doha) and London, Ontario introduced the first Train the Trainer in Simulation-Based Learning (TTT-SBL) program in Mzuzu Central Hospital and Mzuzu University in Malawi. The team led by Elaine Sigalet (Doha) and consisting of Ian Wishart (Calgary), Faizal Haji (London) and Adam Dubrowski (St. John's) was invited to Malawi by Norman Lufesi to conduct a two-day TTT-SBL course for facilitators who teach an Emergency Triage, Assessment and Treatment (ETAT) plus Trauma course...
May 1, 2017: Curēus
https://www.readbyqxmd.com/read/28578386/injectable-in-situ-cross-linking-chitosan-hyaluronic-acid-based-hydrogels-for-abdominal-tissue-regeneration
#10
Youming Deng, Jianan Ren, Guopu Chen, Guanwei Li, Xiuwen Wu, Gefei Wang, Guosheng Gu, Jieshou Li
Abdominal wall defect caused by open abdomen (OA) or abdominal trauma is a serious issue since it induces several clinical problems. Although a variety of prosthetic materials are commonly employed, complications occur including host soft tissue response, fistula formation and chronic patient discomfort. Recently, abundant natural polymers have been used for injectable hydrogel synthesis in tissue regeneration. In this study, we produced the chitosan - hyaluronic acid (CS/HA) hydrogel and investigated its effects on abdominal tissue regeneration...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28566813/kickboxing-review-anthropometric-psychophysiological-and-activity-profiles-and-injury-epidemiology
#11
REVIEW
M Slimani, H Chaabene, B Miarka, E Franchini, K Chamari, F Cheour
Kickboxing is one of the modern combat sports. The psychophysiological demands of a kickboxing competition require athletes to achieve high thresholds of several aspects of physical fitness. The aim of the current review is to critically analyse and appraise the kickboxer's anthropometric, physiological, physical and psychological attributes with the activity profile and injury epidemiology in order to provide practical recommendations for training as well as new areas of scientific research. The available information shows that both amateur and elite-level male kickboxers are characterized by a higher proportion of mesomorphy with a well-developed muscle mass and low body fat percentage...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28547840/performance-of-norwegian-civilian-emts-and-army-medics-in-penetrating-trauma-a-controlled-simulation-based-assessment
#12
S W Blix, J Melau, I Lund-Kordahl
BACKGROUND: Penetrating trauma kills rapidly. Thorough and efficient examination and aggressive hemorrhage control is important to save lives. The aim of this study was to assess the skills of civilian Emergency Medical Technicians (EMTs) in bleeding examination and control compared to Army Medics. Our hypothesis was that civilian pre-hospital systems perform at a lower level compared to an expert group, and did not have sufficient focus on education and training in examination and treatment of penetrating injuries...
May 25, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28546735/nonparametric-regression-method-for-broad-sense-agreement
#13
Akm Fazlur Rahman, Limin Peng, Amita Manatunga, Ying Guo
Characterizing the correspondence between an ordinal measurement and a continuous measurement is often of interest in mental health studies. To this end, Peng, Li, Guo, and Manatunga (2011) introduced the concept of broad sense agreement (BSA) and developed nonparametric estimation and inference for a BSA measure. In this work, we propose a non-parametric regression framework for BSA, which provides a robust tool to further investigate population heterogeneity in BSA. We develop inferential procedures including regression function estimation and hypothesis testing...
2017: Journal of Nonparametric Statistics
https://www.readbyqxmd.com/read/28538983/assocation-of-a-surgical-task-during-training-with-team-skill-acquisition-among-surgical-residents-the-missing-piece-in-multidisciplinary-team-training
#14
Jessica L Sparks, Dustin L Crouch, Kathryn Sobba, Douglas Evans, Jing Zhang, James E Johnson, Ian Saunders, John Thomas, Sarah Bodin, Ashley Tonidandel, Jeff Carter, Carl Westcott, R Shayn Martin, Amy Hildreth
Importance: The human patient simulators that are currently used in multidisciplinary operating room team training scenarios cannot simulate surgical tasks because they lack a realistic surgical anatomy. Thus, they eliminate the surgeon's primary task in the operating room. The surgical trainee is presented with a significant barrier when he or she attempts to suspend disbelief and engage in the scenario. Objective: To develop and test a simulation-based operating room team training strategy that challenges the communication abilities and teamwork competencies of surgeons while they are engaged in realistic operative maneuvers...
May 24, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28538639/development-of-the-emergency-preservation-and-resuscitation-for-cardiac-arrest-from-trauma-epr-cat-clinical-trial
#15
Samuel A Tisherman, Hasan B Alam, Peter M Rhee, Thomas M Scalea, Tomas Drabek, Raquel M Forsythe, Patrick M Kochanek McCm
BACKGROUND: Patients who suffer a cardiac arrest from trauma rarely survive, even with aggressive resuscitation attempts, including an Emergency Department (ED) thoracotomy. Emergency Preservation and Resuscitation (EPR) was developed to utilize hypothermia to buy time to obtain hemostasis before irreversible organ damage occurs. Large animal studies have demonstrated that cooling to tympanic membrane temperature 10°C during exsanguination cardiac arrest can allow up to 2 hours of circulatory arrest and repair of simulated injuries with normal neurologic recovery...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28534873/molecular-indicators-of-stress-induced-neuroinflammation-in-a-mouse-model-simulating-features-of-post-traumatic-stress-disorder
#16
S Muhie, A Gautam, N Chakraborty, A Hoke, J Meyerhoff, R Hammamieh, M Jett
A social-stress mouse model was used to simulate features of post-traumatic stress disorder (PTSD). The model involved exposure of an intruder (male C57BL/6) mouse to a resident aggressor (male SJL) mouse for 5 or 10 consecutive days. Transcriptome changes in brain regions (hippocampus, amygdala, medial prefrontal cortex and hemibrain), blood and spleen as well as epigenome changes in the hemibrain were assayed after 1- and 10-day intervals following the 5-day trauma or after 1- and 42-day intervals following the 10-day trauma...
May 23, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28515283/anisomorphic-cortical-reorganization-in-asymmetric-sensorineural-hearing-loss
#17
Steven W Cheung, Craig Anthony Atencio, Eliott R J Levy, Robert C Froemke, Christoph E Schreiner
Acoustic trauma or inner ear disease may predominantly injure one ear, causing asymmetric sensorineural hearing loss (SNHL). While characteristic frequency (CF) map plasticity of primary auditory cortex (AI) contralateral to the injured ear has been detailed, there is no study that also evaluates ipsilateral AI to compare cortical reorganization across both hemispheres. We assess whether normal isomorphic mirror image relationship between the two hemispheres is maintained or disrupted in mild-to-moderate asymmetric SNHL of adult squirrel monkeys...
May 17, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28505521/short-simulation-exercises-to-improve-emergency-department-nurses-self-efficacy-for-initial-disaster-management-controlled-before-and-after-study
#18
Carl-Oscar Jonson, Jenny Pettersson, Jonas Rybing, Heléne Nilsson, Erik Prytz
INTRODUCTION: Head nurses at emergency departments often assume responsibility for managing the initial response to a major incident, and to create surge capacity. Training is essential to enable these nurses to perform an effective disaster response. Evaluating the effects of such training is however complicated as real skill only can be demonstrated during a real major incident. Self-efficacy has been proposed as an alternative measure of training effectiveness. PURPOSE: The aim of this study was to examine if short, small-scale computer-based simulation exercises could improve head emergency nurses' general and specific self-efficacy and initial incident management skills...
April 29, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28501711/protection-of-cortex-by-overlying-meninges-tissue-during-dynamic-indentation-of-the-adolescent-brain
#19
David B MacManus, Baptiste Pierrat, Jeremiah G Murphy, Michael D Gilchrist
Traumatic brain injury (TBI) has become a recent focus of biomedical research with a growing international effort targeting material characterization of brain tissue and simulations of trauma using computer models of the head and brain to try to elucidate the mechanisms and pathogenesis of TBI. The meninges, a collagenous protective tri-layer, which encloses the entire brain and spinal cord has been largely overlooked in these material characterization studies. This has resulted in a lack of accurate constitutive data for the cranial meninges, particularly under dynamic conditions such as those experienced during head impacts...
May 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28499682/an-analysis-of-the-temperature-change-in-warmed-intravenous-fluids-during-administration-in-cold-environments
#20
Warren Singleton, Michelle McLean, Michael Smale, Mohammed Alkhalifah, Ahmad Kosahk, Neli Ragina, Chin-I Cheng, Bethany J Figg
This nonhuman simulation study was conducted to determine the decrease in temperature that occurred to 1-L bags of normal saline in a cold environment. The bags were warmed to 39°C and administered through intravenous (IV) tubing at a set flow rate while in a cold environment. The goal was to determine if there was a significant decrease in fluid temperature from the bag to the catheter site. Three trials were completed at temperatures of 0°C, -7°C, -12°C, and 22°C (control). Each bag of normal saline was warmed to 39°C using the SoftSack IV Fluid Warmer (Smithworks Med Inc, Lindale, TX)...
May 2017: Air Medical Journal
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