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https://www.readbyqxmd.com/read/28099982/-e-learning-in-ent-usage-in-university-medical-centers-in-germany
#1
Peter Freiherr von Saß, Thomas Klenzner, Kathrin Scheckenbach, Adam Chaker
E-learning is an essential part of innovative medical teaching concepts. The challenging anatomy and physiology in ENT is considered particularly suitable for self-assessed and adaptive e-learning. Usage and data on daily experience with e-learning in German ENT-university hospitals are currently unavailable and the degree of implementation of blended learning including feed-back from medical students are currently not known. We investigated the current need and usage of e-learning in academic ENT medical centers in Germany...
January 18, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28075331/predictive-modeling-of-respiratory-tumor-motion-for-real-time-prediction-of-baseline-shifts
#2
Arvind Balasubramanian, Rittika Shamsuddin, Balakrishnan Prabhakaran, Amit Sawant
Baseline shifts in respiratory patterns can result in significant spatiotemporal changes in patient anatomy (compared to that captured during simulation), in turn, causing geometric and dosimetric errors in the administration of thoracic and abdominal radiotherapy. We propose predictive modeling of the tumor motion trajectories for predicting a baseline shift ahead of its occurrence. The key idea is to use the features of the tumor motion trajectory over a 1-minute window, and predict the occurrence of a baseline shift in the 5 seconds that immediately follow (lookahead window)...
January 11, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28048904/su-g-bra-02-development-of-a-learning-based-block-matching-algorithm-for-ultrasound-tracking-in-radiotherapy
#3
A Shepard, B Bednarz
PURPOSE: To develop an ultrasound learning-based tracking algorithm with the potential to provide real-time motion traces of anatomy-based fiducials that may aid in the effective delivery of external beam radiation. METHODS: The algorithm was developed in Matlab R2015a and consists of two main stages: reference frame selection, and localized block matching. Immediately following frame acquisition, a normalized cross-correlation (NCC) similarity metric is used to determine a reference frame most similar to the current frame from a series of training set images that were acquired during a pretreatment scan...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048472/tu-h-campus-jep3-04-factors-predicting-a-need-for-treatment-replanning-with-proton-radiotherapy-for-lung-cancer
#4
C Teng, G Janssens, C Ainsley, B Teo, G Valdes, B Burgdorf, A Berman, W Levin, Y Xiao, L Lin, P Gabriel, C Simone, T Solberg
PURPOSE: Proton dose distribution is sensitive to tumor regression and tissue and normal anatomy changes. Replanning is sometimes necessary during treatment to ensure continue tumor coverage or avoid overtreatment of organs at risk (OARs). We investigated action thresholds for replanning and identified both dosimetric and non-dosimetric metrics that would predict a need for replan. METHODS: All consecutive lung cancer patients (n = 188) who received definitive proton radiotherapy and had more than two evaluation CT scans at the Roberts Proton Therapy Center (Philadelphia, USA) from 2011 to 2015 were included in this study...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048400/th-b-207b-00-pediatric-image-quality-optimization
#5
Christina Sammet
: This imaging educational program will focus on solutions to common pediatric image quality optimization challenges. The speakers will present collective knowledge on best practices in pediatric imaging from their experience at dedicated children's hospitals. One of the most commonly encountered pediatric imaging requirements for the non-specialist hospital is pediatric CT in the emergency room setting. Thus, this educational program will begin with optimization of pediatric CT in the emergency department...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048134/su-f-j-49-igrt-credentialing-in-nctn-trials
#6
J Lowenstein, A Molineu, H Al-Hallaq, M Matuszak, T Craig, K Ulin, Y Xiao, F Yin, D Followill
PURPOSE: To make Image Guided Radiation Therapy (IGRT) credentialing a more unified, consistent and efficient process across the entire National Clinical Trial Network (NCTN). METHODS: IGRT plays a role in several advanced NCTN trials. Previously an institution had to be IGRT credentialed for each protocol. When institutions were allowed to use previous credentials for new protocols it was limited to the same disease site as the original credentialing. The credentialing was analyzed by the physics PI of the protocol...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047755/th-b-207b-01-optimizing-pediatric-ct-in-the-emergency-department
#7
C Dodge
: This imaging educational program will focus on solutions to common pediatric image quality optimization challenges. The speakers will present collective knowledge on best practices in pediatric imaging from their experience at dedicated children's hospitals. One of the most commonly encountered pediatric imaging requirements for the non-specialist hospital is pediatric CT in the emergency room setting. Thus, this educational program will begin with optimization of pediatric CT in the emergency department...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047176/su-c-bra-05-delineating-high-dose-clinical-target-volumes-for-head-and-neck-tumors-using-machine-learning-algorithms
#8
C Cardenas, A Wong, A Mohamed, J Yang, L Court, A Rao, C Fuller, M Aristophanous
PURPOSE: To develop and test population-based machine learning algorithms for delineating high-dose clinical target volumes (CTVs) in H&N tumors. Automating and standardizing the contouring of CTVs can reduce both physician contouring time and inter-physician variability, which is one of the largest sources of uncertainty in H&N radiotherapy. METHODS: Twenty-five node-negative patients treated with definitive radiotherapy were selected (6 right base of tongue, 11 left and 9 right tonsil)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046982/su-c-207b-07-deep-convolutional-neural-network-image-matching-for-ultrasound-guidance-in-radiotherapy
#9
N Zhu, M Najafi, S Hancock, D Hristov
PURPOSE: Robust matching of ultrasound images is a challenging problem as images of the same anatomy often present non-trivial differences. This poses an obstacle for ultrasound guidance in radiotherapy. Thus our objective is to overcome this obstacle by designing and evaluating an image blocks matching framework based on a two channel deep convolutional neural network. METHODS: We extend to 3D an algorithmic structure previously introduced for 2D image feature learning [1]...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046437/th-b-207b-02-optimizing-pediatic-cardiovascular-mri
#10
J Deng
: This imaging educational program will focus on solutions to common pediatric image quality optimization challenges. The speakers will present collective knowledge on best practices in pediatric imaging from their experience at dedicated children's hospitals. One of the most commonly encountered pediatric imaging requirements for the non-specialist hospital is pediatric CT in the emergency room setting. Thus, this educational program will begin with optimization of pediatric CT in the emergency department...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045758/a-virtual-reality-simulation-model-of-spinal-ultrasound-role-in-teaching-spinal-sonoanatomy
#11
Reva Ramlogan, Ahtsham U Niazi, Rongyu Jin, James Johnson, Vincent W Chan, Anahi Perlas
BACKGROUND AND OBJECTIVES: Ultrasound assessment of the lumbar spine improves the success of spinal and epidural anesthesia, especially for patients with underlying difficult anatomy. To assist with the teaching and learning of ultrasound-guided neuraxial anesthesia, we have created an online interactive educational model (http://www.usra.ca/vspine.php and http://pie.med.utoronto.ca/vspine). The aim of the current study was to determine whether the virtual spine model improved the knowledge of neuraxial anatomy and sonoanatomy...
December 29, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28039880/hunger-games-interactive-ultrasound-imaging-for-learning-gastrointestinal-physiology
#12
Ilana Kafer, William Rennie, Ali Noor, John S Pellerito
Ultrasound is playing an increasingly important role in medical student education. Although most uses of ultrasound have focused on learning purely anatomic relationships or augmentation of the physical examination, there is little documentation of the value of ultrasound as a learning tool regarding physiology alone or in association with anatomy. We devised an interactive learning session for first-year medical students using ultrasound to combine both anatomic and physiologic principles as an integration of gastrointestinal and vascular function...
December 31, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28027241/evaluation-and-implementation-of-a-high-fidelity-cleft-palate-simulator
#13
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/28025624/impact-of-a-revised-curriculum-focusing-on-clinical-neurology-and-musculoskeletal-care-on-a-required-fourth-year-medical-student-physical-medicine-and-rehabilitation-clerkship
#14
John W Norbury, Clinton E Faulk, Kelly M Harrell, Luan E Lawson, Daniel P Moore
Background. A Required Fourth-Year Medical Student Physical Medicine and Rehabilitation (PM&R) Clerkship was found to increase students' knowledge of PM&R; however the students' overall rotation evaluations were consistently lower than the other 8 required clerkships at the medical school. Objective. To describe the impact of a revised curriculum based upon Entrustable Professional Activities and focusing on basic pain management, musculoskeletal care, and neurology. Setting. Academic Medical Center. Participants...
2016: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28018278/the-anatomy-of-action-systems-task-differentiation-when-learning-an-emg-controlled-game
#15
Ludger van Dijk, Anniek Heerschop, Corry K van der Sluis, Raoul M Bongers
This study aims to determine to what extent the task for an action system in its initial development relies on functional and anatomical components. Fifty-two able-bodied participants were randomly assigned to one of three experimental groups or to a control group. As a pre- and post-test all groups performed a computer game with the same goal and using the same musculature. One experimental group also trained to perform this test, while the other two experimental groups learned to perform a game that differed either in its goal or in the musculature used...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/28002644/a-novel-phased-concept-course-for-the-delivery-of-anatomy-and-orthopedics-training-in-medical-education
#16
Stefan Klima, Pierre Hepp, Sabine Löffler, Jon Cornwall, Niels Hammer
Integration of anatomy and clinical teaching is a theoretical ideal, yet there is a worldwide paucity of such amalgamation. These teaching models provide support for medical trainees, an important element in Germany where orthopedic intern numbers have declined and anecdotal evidence suggests disinterest in orthopedics. The aim of the study was to develop an integrated anatomy-surgical course for undergraduate medical training, assess the model developed, and explore how medical students perceive orthopedics as a career...
December 21, 2016: Anatomical Sciences Education
https://www.readbyqxmd.com/read/27996202/long-term-evolution-of-superficial-optic-disc-drusen
#17
Lasse Malmqvist, Henrik Lund-Andersen, Steffen Hamann
PURPOSE: Optic disc drusen (ODD) is hyaline deposits in the optic nerve head seen in 1-2% of the population. Long-term evolution of ODD anatomy and visual field defects in ODD patients is a key factor for learning more about pathophysiology and prognosis of the condition. With a median follow-up period of 56 years, this is the first study that evaluates superficial optic disc anatomy and visual fields in patients with ODD over a life span. METHODS: Observational case series investigating progression of superficial optic disc anatomy and visual fields in ODD patients...
December 20, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27986641/implementation-of-clinical-references-for-undergraduates-in-anatomy
#18
André Kranz, Ingo Bechmann, Christine Feja, Kay-Rüdiger Kohlhaw, Thomas Bürkigt, Lisa Lippross, Nora Dietze, Sabine Löffler
This study evaluates the implementation of clinical references in undergraduate medical education. For this purpose, images of typical diagnostic, intraoperative and clinical findings were integrated into two different teaching formats and adapted to the learning objectives of the Institute of Anatomy in Leipzig. Paper based questionnaires were used to evaluate the status quo (without clinical images) and the optimal time of implementation, as well as the benefit for the students of human medicine. Three test groups were drawn from two preclinical semesters (2014 and 2015)...
December 13, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27986379/lung-nodule-classification-using-deep-feature-fusion-in-chest-radiography
#19
Changmiao Wang, Ahmed Elazab, Jianhuang Wu, Qingmao Hu
Lung nodules are small, round, or oval-shaped masses of tissue in the lung region. Early diagnosis and treatment of lung nodules can significantly improve the quality of patients' lives. Because of their small size and the interlaced nature of chest anatomy, detection of lung nodules using different medical imaging techniques becomes challenging. Recently, several methods for computer aided diagnosis (CAD) were proposed to improve the detection of lung nodules with good performances. However, the current methods are unable to achieve high sensitivity and high specificity...
November 12, 2016: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/27974238/maternal-administration-of-magnesium-sulfate-promotes-cell-proliferation-in-hippocampus-dentate-gyrus-in-offspring-mice-after-exposing-to-prenatal-stress
#20
Xinli Xiang, Depeng Zhao, Chonglan Gao, Kai Wang, Qian Zhou, Jiuhong Kang, Tao Duan
Prenatal stress (PS) inhibits cell proliferation in the hippocampal dentate gyrus (DG), which is related to hippocampal anatomy and function abnormality. The aim of the study was to investigate the effects of magnesium sulfate (MgSO4) on PS-induced cell proliferation suppression in offspring during embryonic stage and postnatal spatial learning. MgSO4 administration was performed after PS treatment on pregnant mice. Mice were randomly divided into four groups: non-PS or PS maternal mice injected with MgSO4 or saline (P+NS, P+MG, C+MG and C+NS group)...
December 11, 2016: International Journal of Developmental Neuroscience
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