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High fidelity simulation

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https://www.readbyqxmd.com/read/28072606/an-innovative-approach-using-simulation-to-teach-primary-care-gynecologic-procedures
#1
Susan D Hellier, Denise R Ramponi, Alexander Wrynn, Stephanie Garofalo
INTRODUCTION: In response to the growing body of evidence that simulation is a satisfactory way to instruct procedural skills, we developed an innovative model to teach common gynecologic procedures such as cervical cancer screening, cervical polyp removal, intrauterine device removal, and endometrial biopsy. The objectives of this study were to describe the construction of the model and to assess participants' satisfaction and confidence in applying the learning objectives to their clinical practice...
January 9, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28070276/a-hypothesis-to-explain-accuracy-of-wasp-resemblances
#2
Michael Boppré, Richard I Vane-Wright, Wolfgang Wickler
Mimicry is one of the oldest concepts in biology, but it still presents many puzzles and continues to be widely debated. Simulation of wasps with a yellow-black abdominal pattern by other insects (commonly called "wasp mimicry") is traditionally considered a case of resemblance of unprofitable by profitable prey causing educated predators to avoid models and mimics to the advantage of both (Figure 1a). However, as wasps themselves are predators of insects, wasp mimicry can also be seen as a case of resemblance to one's own potential antagonist...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28059603/retention-of-basic-life-support-in-laypeople-mastery-learning-vs-time-based-education
#3
Sylvain Boet, M Dylan Bould, Ashlee-Ann Pigford, Bernhard Rössler, Pratheeban Nambyiah, Qi Li, Alexandra Bunting, Karl Schebesta
OBJECTIVE: To compare the effectiveness of a mastery learning (ML) versus a time-based (TB) BLS course for the acquisition and retention of BLS knowledge and skills in laypeople. METHODS: After ethics approval, laypeople were randomized to a ML or TB BLS course based on the American Heart Association (AHA) Heartsaver course. In the ML group, subjects practiced and received feedback at six BLS stations until they reached a pre-determined level of performance. The TB group received a standard AHA six-station BLS course...
January 6, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28057633/compacting-a-single-flow-diverter-versus-overlapping-flow-diverters-for-intracranial-aneurysms-a-computational-study
#4
R J Damiano, V M Tutino, N Paliwal, D Ma, J M Davies, A H Siddiqui, H Meng
BACKGROUND AND PURPOSE: Locally compacting the mesh of a flow diverter by a dynamic push-pull technique can accelerate intracranial aneurysm healing. We asked how this deployment strategy compares with overlapping 2 flow diverters for aneurysmal flow reduction. MATERIALS AND METHODS: Using a high-fidelity virtual stent placement method, we simulated 3 flow-diverter strategies (single noncompacted, 2 overlapped, and single compacted) in 3 aneurysms (fusiform, large saccular, and medium saccular)...
January 5, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28055027/interdisciplinary-onsite-team-based-simulation-training-in-the-neonatal-intensive-care-unit-a-pilot-report
#5
D J W Reed, R L Hermelin, C S Kennedy, J Sharma
OBJECTIVE: Simulation training improves individual clinician confidence, performance and self-efficacy in resuscitation and procedural training experiences. The reality of resuscitation experiences in the neonatal intensive care unit (NICU) is that they are team-accomplished events. However, limited data exist on team-based simulation training (TBST) in the NICU. We report the experience of TBST over a 4-year period. STUDY DESIGN: This is a retrospective report of 65 TBST events in a 71-bed Level IV NICU at a regional subspecialty children's hospital...
January 5, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28053558/high-fidelity-medical-simulation-training-improves-medical-students-knowledge-and-confidence-levels-in-septic-shock-resuscitation
#6
Veerapong Vattanavanit, Jarernporn Kawla-Ied, Rungsun Bhurayanontachai
BACKGROUND: Septic shock resuscitation bundles have poor compliance worldwide partly due to a lack of knowledge and clinical skills. High-fidelity simulation-based training is a new teaching technology in our faculty which may improve the performance of medical students in the resuscitation process. However, since the efficacy of this training method in our institute is limited, we organized an extra class for this evaluation. PURPOSE: The aim was to evaluate the effect on medical students' knowledge and confidence levels after the high-fidelity medical simulation training in septic shock management...
2017: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/28051893/shame-in-medical-education-a-randomized-study-of-the-acquisition-of-intimate-examination-skills-and-its-effect-on-subsequent-performance
#7
Wolf E Hautz, Therese Schröder, Katja A Dannenberg, Maren März, Henrike Hölzer, Olaf Ahlers, Anke Thomas
THEORY: Although medical students are exposed to a variety of emotions, the impact of emotions on learning has received little attention so far. Shame-provoking intimate examinations are among the most memorable events for students. Their emotions, however, are rarely addressed during training, potentially leading to withdrawal and avoidance and, consequently, performance deficits. However, emotions of negative valance such as shame may be particularly valuable for learning, as they might prompt mental rehearsal...
January 4, 2017: Teaching and Learning in Medicine
https://www.readbyqxmd.com/read/28048430/we-fg-207b-03-multi-energy-ct-reconstruction-with-spatial-spectral-nonlocal-means-regularization
#8
B Li, C Shen, L Ouyang, M Yang, L Zhou, S Jiang, X Jia
PURPOSE: Multi-energy computed tomography (MECT) is an emerging application in medical imaging due to its ability of material differentiation and potential for molecular imaging. In MECT, image correlations at different spatial and channels exist. It is desirable to incorporate these correlations in reconstruction to improve image quality. For this purpose, this study proposes a MECT reconstruction technique that employes spatial spectral non-local means (ssNLM) regularization. METHODS: We consider a kVp-switching scanning method in which source energy is rapidly switched during data acquisition...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048139/su-f-j-227-accuracy-of-passive-magnetic-ultrasound-needle-guidance-in-high-fidelity-conventional-and-novel-simulated-block-approach-phantoms
#9
A Johnson
PURPOSE: The objective of this research was to demonstrate accuracy of a real-time passive ultrasound magnetic needle guidance technology (NGT) and target localization algorithm using conventional anechogenic contact phantoms and a novel fluid-filled hyperechogenic phantom simulating nerve block technique. METHODS: Accuracy (mm to phantom target) was assessed by observing 35 medical practitioners (16 anesthesiologists and 19 residents) performing 560 needle procedures in high-fidelity ex vivo porcine tissue phantoms...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047738/th-ef-bra-02-a-novel-markerless-4d-cbct-projection-phase-sorting-technique-using-prior-knowledge-and-patient-motion-modeling-a-feasibility-study
#10
L Zhang, Y Zhang, F Yin, W Harris, J Cai, L Ren
PURPOSE: To investigate the feasibility of a novel marker-less motion-modeling based method for automatic 4D-CBCT projection phase sorting. METHODS: Patient on-board image volume at any instant is considered as a deformation of one phase of the prior planning 4D-CT. The deformation field map(DFM) is represented as a linear combination of three major deformation patterns extracted from the planning 4D-CT using principle-component-analysis(PCA). The PCA coefficients are solved for each single projection based on data fidelity constraint, and are used as motion information for phase sorting...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047255/tu-h-brc-09-validation-of-a-novel-therapeutic-x-ray-array-source-and-collimation-system
#11
S Trovati, P Borchard, G J King, C G Limborg, B W Loo, P Maxim, D McCormick, L Y Nicolas, E Schueler, S Tantawi, J Wang, L Wang
PURPOSE: We have experimentally characterized and simulated the dosimetric properties and spatial fidelity of a novel X-ray array source and collimation system called SPHINX that has the potential to generate complex intensity modulated X-ray beams by varying the electron beam intensity only, and without any moving parts like in multi-leaf collimators. METHODS: We investigated the spatial fidelity and the X-ray performances of a SPHINX prototype in tungsten, using a Cyber Knife and the experimental high-energy electron beam line at XTA at SLAC National Laboratory...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046653/tu-ab-bra-05-optimization-of-a-novel-large-field-of-view-distortion-phantom-for-mr-only-treatment-planning
#12
R G Price, R A Knight, K Hwang, E Bayram, C Glide-Hurst
PURPOSE: MR-only treatment planning requires images of high geometric fidelity, particularly for large fields of view (FOV). However, the availability of large FOV distortion phantoms with accompanying analysis software is currently limited to in-house solutions. This work sought to optimize the design of a modular distortion phantom that can accommodate several bore configurations and implement distortion corrections. METHODS: 1.0T MR and CT images were acquired of twelve urethane foam samples of various densities and strengths...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046363/we-h-brc-09-simulated-errors-in-mock-radiotherapy-plans-to-quantify-the-effectiveness-of-the-physics-plan-review
#13
O Gopan, A Kalet, W Smith, K Hendrickson, M Kim, L Young, M Nyflot, A Chvetsov, M Phillips, E Ford
PURPOSE: A standard tool for ensuring the quality of radiation therapy treatments is the initial physics plan review. However, little is known about its performance in practice. The goal of this study is to measure the effectiveness of physics plan review by introducing simulated errors into "mock" treatment plans and measuring the performance of plan review by physicists. METHODS: We generated six mock treatment plans containing multiple errors. These errors were based on incident learning system data both within the department and internationally (SAFRON)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046341/th-ef-bra-11-feasibility-of-super-resolution-time-resolved-4dmri-for-multi-breath-volumetric-motion-simulation-in-radiotherapy-planning
#14
G Li, J Wei, K Zakian, M Hunt, J Deasy
PURPOSE: To develop a novel super-resolution time-resolved 4DMRI technique to evaluate multi-breath, irregular and complex organ motion without respiratory surrogate for radiotherapy planning. METHODS: The super-resolution time-resolved (TR) 4DMRI approach combines a series of low-resolution 3D cine MRI images acquired during free breathing (FB) with a high-resolution breath-hold (BH) 3DMRI via deformable image registration (DIR). Five volunteers participated in the study under an IRB-approved protocol...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28043957/computational-modelling-of-traumatic-brain-injury-predicts-the-location-of-chronic-traumatic-encephalopathy-pathology
#15
Mazdak Ghajari, Peter J Hellyer, David J Sharp
Traumatic brain injury can lead to the neurodegenerative disease chronic traumatic encephalopathy. This condition has a clear neuropathological definition but the relationship between the initial head impact and the pattern of progressive brain pathology is poorly understood. We test the hypothesis that mechanical strain and strain rate are greatest in sulci, where neuropathology is prominently seen in chronic traumatic encephalopathy, and whether human neuroimaging observations converge with computational predictions...
January 2, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28038369/cognitive-control-level-of-action-for-analyzing-verbal-reports-in-educative-clinical-simulation-situations
#16
Thierry Morineau, Sebastien Meineri, Pascal Chapelain
BACKGROUND: Several methods and theoretical frameworks have been proposed for efficient debriefing after clinical simulation sessions. In these studies, however, the cognitive processes underlying the debriefing stage are not directly addressed. Cognitive control constitutes a conceptual link between behavior and reflection on behavior to apprehend debriefing cognitively. OBJECTIVES: Our goal was to analyze cognitive control from verbal reports using the Skill-Rule-Knowledge model...
December 22, 2016: Nurse Education Today
https://www.readbyqxmd.com/read/28034995/effects-of-mri-protocol-parameters-preload-injection-dose-fractionation-strategies-and-leakage-correction-algorithms-on-the-fidelity-of-dynamic-susceptibility-contrast-mri-estimates-of-relative-cerebral-blood-volume-in-gliomas
#17
K Leu, J L Boxerman, B M Ellingson
BACKGROUND AND PURPOSE: DSC perfusion MR imaging assumes that the contrast agent remains intravascular; thus, disruptions in the blood-brain barrier common in brain tumors can lead to errors in the estimation of relative CBV. Acquisition strategies, including the choice of flip angle, TE, TR, and preload dose and incubation time, along with post hoc leakage-correction algorithms, have been proposed as means for combating these leakage effects. In the current study, we used DSC-MR imaging simulations to examine the influence of these various acquisition parameters and leakage-correction strategies on the faithful estimation of CBV...
December 29, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28028288/a-cost-effectiveness-analysis-of-self-debriefing-versus-instructor-debriefing-for-simulated-crises-in-perioperative-medicine-in-canada
#18
Wanrudee Isaranuwatchai, Fahad Alam, Jeffrey Hoch, Sylvain Boet
PURPOSE: High-fidelity simulation training is effective for learning crisis resource management (CRM) skills, but cost is a major barrier to implementing high-fidelity simulation training into the curriculum. The aim of this study was to examine the cost-effectiveness of self-debriefing and traditional instructor debriefing in CRM training programs and to calculate the minimum willingness-to-pay (WTP) value when one debriefing type becomes more cost-effective than the other. METHODS: This study used previous data from a randomized controlled trial involving 50 anesthesiology residents in Canada...
2017: Journal of Educational Evaluation for Health Professions
https://www.readbyqxmd.com/read/28027241/evaluation-and-implementation-of-a-high-fidelity-cleft-palate-simulator
#19
Dale J Podolsky, David M Fisher, Karen W Wong, Thomas Looi, James M Drake, Christopher R Forrest
BACKGROUND: Cleft palate repair is a challenging procedure to learn because of the delicate tissue handling required and the small confines of the infant oral cavity. As a result, cleft palate simulators have previously been described to augment cleft palate repair training. Although valuable, they lack the fidelity for this complex procedure. METHODS: A high-fidelity cleft palate simulator was evaluated by staff and fellows in pediatric plastic surgery who provided feedback on its realism, anatomical accuracy, and effectiveness as a training tool...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28026107/a-hierarchical-task-analysis-of-shoulder-arthroscopy-for-a-virtual-arthroscopic-tear-diagnosis-and-evaluation-platform-vatdep
#20
Doga Demirel, Alexander Yu, Seth Cooper-Baer, Aditya Dendukuri, Tansel Halic, Sinan Kockara, Nizamettin Kockara, Shahryar Ahmadi
BACKGROUND: Shoulder arthroscopy is a minimally invasive surgical procedure for diagnosis and treatment of a shoulder pathology. The procedure is performed with a fiber optic camera, called arthroscope, and instruments inserted through very tiny incisions made around the shoulder. The confined shoulder space, unintuitive camera orientation and constrained instrument motions complicates the procedure. Therefore, surgical competence in arthroscopy entails extensive training especially for psychomotor skills development...
December 27, 2016: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
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