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https://www.readbyqxmd.com/read/28649951/video-motion-analysis-in-live-coronary-angiography-differentiates-levels-of-experience-and-provides-a-novel-method-of-skill-assessment
#1
Alexander Eric Rolls, Celia Riga, Sybghat Rahim, Danail Stoyanov, Isabelle Van Herzeele, Ghada Mikhail, Mohamad Hamady, Nick Cheshire, Colin Bicknell
AIMS: Video-motion analysis (VMA) uses fluoroscopic sequences to derive on catheter and guide-wire movement, and is able to calculate 2D catheter-tip path-length (PL) on the basis of frame-by-frame pixel coordinates. The objective of this study was to validate VMA in coronary angiography as a method of skill assessment. METHODS AND RESULTS: 47 coronary interventions performed by 10 low- (<1000 cases; group A), 5 medium- (1000-4000; group B) and 6 high- (>4000; group C) experience- volume cardiologists were prospectively recorded and analysed using this software...
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28641713/assessment-tools-for-use-during-anesthesia-centric-pediatric-advanced-life-support-training-and-evaluation
#2
Scott C Watkins, Paul J Nietert, Elisabeth Hughes, Eric T Stickles, Tracy E Wester, Matthew D McEvoy
BACKGROUND: Pediatric perioperative cardiac arrests are rare events that require rapid, skilled and coordinated efforts to optimize outcomes. We developed an assessment tool for assessing clinician performance during perioperative critical events termed Anesthesia-centric Pediatric Advanced Life Support (A-PALS). Here, we describe the development and evaluation of the A-PALS scoring instrument. METHODS: A group of raters scored videos of a perioperative team managing simulated events representing a range of scenarios and competency...
June 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28638354/investigating-team-coordination-in-baseball-using-a-novel-joint-decision-making-paradigm
#3
Rob Gray, Nancy J Cooke, Nathan J McNeese, Jaimie McNabb
A novel joint decision making paradigm for assessing team coordination was developed and tested using baseball infielders. Balls launched onto an infield at different trajectories were filmed using four video cameras that were each placed at one of the typical positions of the four infielders. Each participant viewed temporally occluded videos for one of the four positions and were asked to say either "ball" if they would attempt to field it or the name of the bag that they would cover. The evaluation of two experienced coaches was used to assign a group coordination score for each trajectory and group decision times were calculated...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28629611/sentinel-lymph-node-mapping-in-minimally-invasive-surgery-role-of-imaging-with-color-segmented-fluorescence-csf
#4
Maite I Lopez Labrousse, Michael Frumovitz, M Guadalupe Patrono, Pedro T Ramirez
OBJECTIVE: Sentinel lymph node mapping, alone or in combination with pelvic lymphadenectomy, is considered a standard approach in staging of patients with cervical or endometrial cancer [1-3]. The goal of this video is to demonstrate the use of indocyanine green (ICG) and color-segmented fluorescence when performing lymphatic mapping in patients with gynecologic malignancies. METHODS: Injection of ICG is performed in two cervical sites using 1mL (0.5mL superficial and deep, respectively) at the 3 and 9 o'clock position...
June 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28619422/joint-engagement-in-infants-and-its-relationship-to-their-visual-impairment-measurements
#5
Andrea Urqueta Alfaro, Valerie S Morash, Daisy Lei, Deborah Orel-Bixler
Coordination of attention between a social partner and an external focus of shared interest, called joint engagement, is associated with positive developmental outcomes such as better language, socio-emotional, and theory of mind skills in sighted infants. Current measures of joint engagement rely on an infant's visual behaviors, making it difficult to study joint engagement in infants with low or no vision. In a naturalistic observational study, 20 infants with various levels of visual impairments - mean ages: 1...
June 12, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28600111/do-active-video-games-benefit-the-motor-skill-development-of-non-typically-developing-children-and-adolescents-a-systematic-review
#6
REVIEW
Zoey E Page, Stephanie Barrington, Jacqueline Edwards, Lisa M Barnett
OBJECTIVES: The use of interactive video gaming, known as 'exergames' or 'active video games (AVG)' may provide an opportunity for motor skill development. Youth with non-typical patterns of development may have deficits in gross motor skill capacities and are therefore an intervention target. The aim was to determine the effectiveness of AVG use on motor skill development in non-typically developing children and adolescents. DESIGN: Review article. METHODS: The PRISMA protocol was used to conduct a systematic review of EBSCOhost, Embase, Gale Cengage, Informit, Ovid, ProQuest, PubMed, Scopus and Web of Science databases...
May 18, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28598948/causes-for-pauses-during-simulated-pediatric-cardiac-arrest
#7
David Oren Kessler, Dawn Taylor Peterson, Alexis Bragg, Yiqun Lin, John Zhong, Jonathan Duff, Mark Adler, Linda Brown, Farhan Bhanji, Jennifer Davidson, David Grant, Adam Cheng
OBJECTIVES: Pauses in cardiopulmonary resuscitation negatively impact clinical outcomes; however, little is known about the contributing factors. The objective of this study is to determine the frequency, duration, and causes for pauses during cardiac arrest. DESIGN: This is a secondary analysis of video data collected from a prospective multicenter trial. Twenty-six simulated pediatric cardiac arrest scenarios each lasting 12 minutes in duration were analyzed by two independent reviewers to document events surrounding each pause in chest compressions...
June 8, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28587738/important-non-technical-skills-in-video-assisted-thoracoscopic-surgery-lobectomy-team-perspectives
#8
Kirsten Gjeraa, Anna S Mundt, Lene Spanager, Henrik J Hansen, Lars Konge, René H Petersen, Doris Østergaard
BACKGROUND: Safety in the operating room is dependent on the team's non-technical skills. The importance of non-technical skills appears to be different for minimally invasive surgery as compared with open surgery. The aim of this study was to identify which non-technical skills are perceived by team members to be most important for patient safety, in the setting of video-assisted thoracoscopic surgery (VATS) lobectomy. METHODS: This was an explorative, semistructured interview-based study with 21 participants from all four thoracic surgery centers in Denmark that perform VATS lobectomy...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28584722/the-shoaling-behavior-of-two-cyprinid-species-in-conspecific-and-heterospecific-groups
#9
Zhong-Hua Tang, Hui Wu, Qing Huang, Lu Kuang, Shi-Jian Fu
Mixed-species shoals of fish are frequently found in the field; however, little is known about individual-level interactions within these groups. We examined the collective motion of two cyprinid species (Chinese bream, Parabramis pekinensis, and qingbo, Spinibarbus sinensis) that occupy partially overlapping habitats but differ in social behavior (high vs low aggressiveness) and preferred flow regime (slow vs fast water velocity). We extracted measures of collective motion from video recordings of eight replicate groups of four individuals of either Chinese bream or qingbo (conspecific group) or two Chinese bream plus two qingbo (heterospecific group)...
2017: PeerJ
https://www.readbyqxmd.com/read/28542867/use-of-active-video-gaming-in-children-with-neuromotor-dysfunction-a-systematic-review
#10
REVIEW
Robbin Hickman, Lisa Popescu, Robert Manzanares, Brendan Morris, Szu-Ping Lee, Janet S Dufek
AIM: To examine current evidence on use of active video gaming (AVG) to improve motor function in children with movement disorders including cerebral palsy, developmental coordination disorder, and Down syndrome. METHOD: Scopus, MEDLINE, Cochrane Library, EMBASE, and CINAHL were searched. Included papers studied the use of AVG for improving movement-related outcomes in these populations. Parameters studied included health condition, strength of evidence, AVG delivery methods, capacity for individualizing play, outcomes addressed, effectiveness for achieving outcomes, and challenges/limitations...
May 19, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28542331/the-feasibility-of-endoscopy-ct-image-registration-in-the-head-and-neck-without-prospective-endoscope-tracking
#11
W Scott Ingram, Jinzhong Yang, Beth M Beadle, Richard Wendt, Arvind Rao, Xin A Wang, Laurence E Court
PURPOSE: Endoscopic examinations are frequently-used procedures for patients with head and neck cancer undergoing radiotherapy, but radiation treatment plans are created on computed tomography (CT) scans. Image registration between endoscopic video and CT could be used to improve treatment planning and analysis of radiation-related normal tissue toxicity. The purpose of this study was to explore the feasibility of endoscopy-CT image registration without prospective physical tracking of the endoscope during the examination...
2017: PloS One
https://www.readbyqxmd.com/read/28538310/enhancing-digital-video-analysis-of-bar-kinematics-in-weightlifting-a-case-study
#12
Torstein E Dæhlin, Tron Krosshaug, Loren Z F Chiu
Dæhlin, TE, Krosshaug, T, and Chiu, LZF. Enhancing digital video analysis of bar kinematics in weightlifting: a case study. J Strength Cond Res 31(6): 1592-1600, 2017-Weightlifting technique can be objectively assessed from two-dimensional video recordings. Despite its importance, participants' bar trajectories in research involving the snatch or clean exercises are often not reported, potentially due to the time required to digitize video. The purpose of this investigation was to evaluate the use of a light-emitting diode (LED)-based marker, digital video, and open-source software to automatically track the bar end during weightlifting exercises...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538298/quantifying-the-high-speed-running-and-sprinting-profiles-of-elite-female-soccer-players-during-competitive-matches-using-an-optical-player-tracking-system
#13
Jocelyn K Mara, Kevin G Thompson, Kate L Pumpa, Stuart Morgan
The aim of this study was to determine the high-speed running and sprinting profiles of elite female soccer players during competitive matches using a new Optical Player Tracking system. Eight stationary video cameras were positioned at vantage points surrounding the soccer field so that when each camera view was combined, the entire field could be viewed simultaneously. After each match, an optical player tracking system detected the coordinates (x, y) of each player for every video frame. Algorithms applied to the x and y coordinates were used to determine activity variables for 12 elite female players across 7 competitive matches...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28509639/factors-associated-with-simulator-assessed-laparoscopic-surgical-skills-of-veterinary-students
#14
Jessica J Kilkenny, Ameet Singh, Carolyn L Kerr, Deep K Khosa, Boel A Fransson
OBJECTIVE To determine whether simulator-assessed laparoscopic skills of veterinary students were associated with training level and prior experience performing nonlaparoscopic veterinary surgery and other activities requiring hand-eye coordination and manual dexterity. DESIGN Experiment. SAMPLE 145 students without any prior laparoscopic surgical or fundamentals of laparoscopic surgery (FLS) simulator experience in years 1 (n = 39), 2 (34), 3 (39), and 4 (33) at a veterinary college. PROCEDURES A questionnaire was used to collect data from participants regarding experience performing veterinary surgery, playing video games, and participating in other activities...
June 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28503159/quantifying-the-degree-of-movement-dissimilarity-between-two-distinct-action-scenarios-an-exploratory-approach-with-procrustes-analysis
#15
Pedro Passos, Tania Campos, Ana Diniz
Game consoles allow subjects to perform movements which are visually similar to the movements performed in 'real' world scenarios. Beyond entertainment, virtual reality devices are being used in several domains: sports performance; motor rehabilitation; training of risk professions. This article presents the Procrustes method to measure the degree of dissimilarity between movements performed in 'real' and 'virtual' scenarios. For this purpose, the 501 darts game and a video darts game played on a console were used...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28499997/enhancement-of-visual-comfort-and-sense-of-presence-on-stereoscopic-3d-images
#16
Heeseok Oh, Jongyoo Kim, Jinwoo Kim, Taewan Kim, Sanghoon Lee, Alan C Bovik
Conventional stereoscopic 3D (S3D) displays do not provide accommodation depth cues of the 3D image or video contents being viewed. The sense of content depths is thus limited to cues supplied by motion parallax (for 3D video), stereoscopic vergence cues created by presenting left and right views to the respective eyes, and other contextual and perspective depth cues. The absence of accommodation cues can induce two kinds of accommodation vergence mismatches (AVM) at the fixation and peripheral points, which can result in severe visual discomfort...
May 9, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28490255/developing-a-taxonomy-of-coordination-behaviours-in-nuclear-power-plant-control-rooms-during-emergencies
#17
Dunxing Wang, Qin Gao, Zhizhong Li, Fei Song, Liang Ma
This study aims to develop a taxonomy of coordination behaviours during emergencies in nuclear power plants (NPPs). We summarised basic coordination behaviours from literature in aviation, health care and nuclear field and identified coordination behaviours specific to the nuclear domain by interviewing and surveying control crew operators. The established taxonomy includes 7 workflow stages and 24 basic coordination behaviours. To evaluate the reliability and feasibility of the taxonomy, we analysed 12 videos of operators' training sessions by coding coordination behaviours with the taxonomy and the inter-rater reliability was acceptable...
May 19, 2017: Ergonomics
https://www.readbyqxmd.com/read/28490154/from-exoscope-into-the-next-generation
#18
REVIEW
Kenichi Nishiyama
An exoscope, high-definition video telescope operating monitor system to perform microsurgery has recently been proposed an alternative to the operating microscope. It enables surgeons to complete the operation assistance by visualizing magnified images on a display. The strong points of exoscope are the wide field of view and deep focus. It minimized the need for repositioning and refocusing during the procedure. On the other hand, limitation of magnifying object was an emphasizing weak point. The procedures are performed under 2D motion images with a visual perception through dynamic cue and stereoscopically viewing corresponding to the motion parallax...
May 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28472658/releasing-syntaphilin-removes-stressed-mitochondria-from-axons-independent-of-mitophagy-under-pathophysiological-conditions
#19
Mei-Yao Lin, Xiu-Tang Cheng, Prasad Tammineni, Yuxiang Xie, Bing Zhou, Qian Cai, Zu-Hang Sheng
Chronic mitochondrial stress is a central problem associated with neurodegenerative diseases. Early removal of defective mitochondria from axons constitutes a critical step of mitochondrial quality control. Here we investigate axonal mitochondrial response to mild stress in wild-type neurons and chronic mitochondrial defects in Amytrophic Lateral Sclerosis (ALS)- and Alzheimer's disease (AD)-linked neurons. We show that stressed mitochondria are removed from axons triggered by the bulk release of mitochondrial anchoring protein syntaphilin via a new class of mitochondria-derived cargos independent of Parkin, Drp1, and autophagy...
May 3, 2017: Neuron
https://www.readbyqxmd.com/read/28446867/response-properties-of-motor-equivalence-neurons-of-the-primate-premotor-cortex
#20
Eleftherios Neromyliotis, A K Moschovakis
To study the response properties of cells that could participate in eye-hand coordination we trained two macaque monkeys to perform center-out saccades and pointing movements with their right or left forelimb toward visual targets presented on a video display. We analyzed the phasic movement related discharges of neurons of the periarcuate cortex that fire before and during saccades and movements of the hand whether accompanied by movements of the other effector or not. Because such cells could encode an abstract form of the desired displacement vector without regard to the effector that would execute the movement we refer to such cells as motor equivalence neurons (Meq)...
2017: Frontiers in Behavioral Neuroscience
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