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https://www.readbyqxmd.com/read/27919763/feasibility-of-telementoring-for-micro-neurosurgical-procedures-utilizing-a-microscope-a-proof-of-concept-study
#1
Bryan Ladd, Ryan D Tackla, Akshay Gupte, David Darrow, Jeffery Sorenson, Mario Zuccarello, Andrew W Grande
BACKGROUND: Our pilot study evaluated the effectiveness of our telementoring-telescripting model to facilitate seamless communication between surgeons while the operating surgeon is under microscope. METHODS: As a first proof of concept, 4 students identified 20 anatomical landmarks on a dry human skull with or without telementoring guidance. To assess the ability to communicate operative information, a senior neurosurgery resident evaluated the student's ability and timing to complete a stepwise craniotomy on a cadaveric head, with and without telementoring guidance; a second portion included exposure of the anterior circulation...
December 2, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27918283/muscarinic-acetylcholine-receptors-act-in-synergy-to-facilitate-learning-and-memory
#2
Katherine Leaderbrand, Helen J Chen, Kevin A Corcoran, Anita L Guedea, Vladimir Jovasevic, Jurgen Wess, Jelena Radulovic
Understanding how episodic memories are formed and retrieved is necessary if we are to treat disorders in which they malfunction. Muscarinic acetylcholine receptors (mAChR) in the hippocampus and cortex underlie memory formation, but there is conflicting evidence regarding their role in memory retrieval. Additionally, there is no consensus on which mAChR subtypes are critical for memory processing. Using pharmacological and genetic approaches, we found that (1) encoding and retrieval of contextual memory requires mAChR in the dorsal hippocampus (DH) and retrosplenial cortex (RSC), (2) memory formation requires hippocampal M3 and cooperative activity of RSC M1 and M3, and (3) memory retrieval is more impaired by inactivation of multiple M1-M4 mAChR in DH or RSC than inactivation of individual receptor subtypes...
November 2016: Learning & Memory
https://www.readbyqxmd.com/read/27913751/new-fungal-defensin-like-peptides-provide-evidence-for-fold-change-of-proteins-in-evolution
#3
Yucheng Wu, Bin Gao, Shunyi Zhu
Defensins containing a consensus cystine framework, Cys[1]..Cys[2]X3Cys[3]..Cys[4]..Cys[5]X1Cys[6] ("X", any amino acids normally except Cys; "...", variable residue numbers), are extensively distributed in a variety of multicellular organisms (plants, fungi and invertebrates) and essentially involved in immunity as microbicidal agents. This framework is a prerequisite for forming a cystine-stabilized α-helix and β-sheet (CSαβ) fold, in which the two invariant motifs, Cys[2]X3Cys[3]/Cys[5]X1Cys[6], are key determinants of fold formation...
December 2, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27910659/the-multi-spectral-line-polarization-mse-system-on-alcator-c-mod
#4
R T Mumgaard, S D Scott, M Khoury
A multi-spectral line-polarization motional Stark effect (MSE-MSLP) diagnostic has been developed for the Alcator C-Mod tokamak wherein the Stokes vector is measured in multiple wavelength bands simultaneously on the same sightline to enable better polarized background subtraction. A ten-sightline, four wavelength MSE-MSLP detector system was designed, constructed, and qualified. This system consists of a high-throughput polychromator for each sightline designed to provide large étendue and precise spectral filtering in a cost-effective manner...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910382/fast-imaging-diagnostics-on-the-c-2u-advanced-beam-driven-field-reversed-configuration-device
#5
E M Granstedt, P Petrov, K Knapp, M Cordero, V Patel
The C-2U device employed neutral beam injection, end-biasing, and various particle fueling techniques to sustain a Field-Reversed Configuration (FRC) plasma. As part of the diagnostic suite, two fast imaging instruments with radial and nearly axial plasma views were developed using a common camera platform. To achieve the necessary viewing geometry, imaging lenses were mounted behind re-entrant viewports attached to welded bellows. During gettering, the vacuum optics were retracted and isolated behind a gate valve permitting their removal if cleaning was necessary...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27894732/tele-assessment-of-the-berg-balance-scale-effects-of-transmission-characteristics
#6
Kavita Venkataraman, Michelle Morgan, Kristopher A Amis, Lawrence R Landerman, Gerald Ch Koh, Kevin Caves, Helen Hoenig
OBJECTIVE: To compare Berg Balance Scale (BBS) rating using videos with differing transmission characteristics against direct in-person rating DESIGN: Repeated measures study for assessment of BBS in eight configurations - in person, high definition video with slow motion review, standard videos with varying bandwidths and frame rates [768 kilobytes per second (kbps) videos at 8,15 and 30 frames per second (fps), 30 fps videos at 128, 384 and 768 kbps] SETTING: Durham VA Medical Center PARTICIPANTS: 45 patients with limitations in one or more of fine motor coordination, gross motor coordination, gait and balance...
November 25, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27876800/rapid-laccolith-intrusion-driven-by-explosive-volcanic-eruption
#7
Jonathan M Castro, Benoit Cordonnier, C Ian Schipper, Hugh Tuffen, Tobias S Baumann, Yves Feisel
Magmatic intrusions and volcanic eruptions are intimately related phenomena. Shallow magma intrusion builds subsurface reservoirs that are drained by volcanic eruptions. Thus, the long-held view is that intrusions must precede and feed eruptions. Here we show that explosive eruptions can also cause magma intrusion. We provide an account of a rapidly emplaced laccolith during the 2011 rhyolite eruption of Cordón Caulle, Chile. Remote sensing indicates that an intrusion began after eruption onset and caused severe (>200 m) uplift over 1 month...
November 23, 2016: Nature Communications
https://www.readbyqxmd.com/read/27857277/off-axis-three-mirror-freeform-telescope-with-a-large-linear-field-of-view-based-on-an-integration-mirror
#8
Qingyu Meng, Hongyuan Wang, Kejun Wang, Yan Wang, Zhenhua Ji, Dong Wang
We report on the design of an off-axis three-mirror freeform telescope with a large field of view (FOV) based on an integration mirror (IM). This design is the continuation of the authors' previous work. Based on aberration theory, we established a suitable nonrelayed three-mirror-anastigmat initial configuration for integration mirror design. For an optical freeform surface, we analyzed the qualitative aberration correction ability of a x-y polynomial surface that can provide a simple, convenient, and user-friendly relationship between freeform surface term coefficients and aberrations and then applied the x-y polynomial surface on the tertiary mirror to improve the system optimization degrees of freedom...
November 10, 2016: Applied Optics
https://www.readbyqxmd.com/read/27845757/efficient-time-domain-imaging-processing-for-one-stationary-bistatic-forward-looking-sar-including-motion-errors
#9
Hongtu Xie, Shaoying Shi, Hui Xiao, Chao Xie, Feng Wang, Qunle Fang
With the rapid development of the one-stationary bistatic forward-looking synthetic aperture radar (OS-BFSAR) technology, the huge amount of the remote sensing data presents challenges for real-time imaging processing. In this paper, an efficient time-domain algorithm (ETDA) considering the motion errors for the OS-BFSAR imaging processing, is presented. This method can not only precisely handle the large spatial variances, serious range-azimuth coupling and motion errors, but can also greatly improve the imaging efficiency compared with the direct time-domain algorithm (DTDA)...
November 12, 2016: Sensors
https://www.readbyqxmd.com/read/27828681/telemedicine-challenges-to-dissemination-in-brazil
#10
Jose Manuel Santos de Varge Maldonado, Alexandre Barbosa Marques, Antonio Cruz
Telemedicine has been seen as an important tool for facing the challenges of universal health systems. The goal of this article is to discuss the main challenges to its full dissemination in Brazil. Being a somewhat new area, there are not many scientific papers that systematize it. This article is an exploratory paper, as it aims to provide an overall perspective on the subject. From an economic point of view, telemedicine is a strategic area due to its an intrinsic potential of being a source for generating innovation, for requiring and incorporating technological breakthroughs from other areas, and for its interdisciplinary nature and dynamic inter-relations that drive different industries...
November 3, 2016: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/27825340/patient-and-provider-acceptance-of-telecoaching-in-type-2-diabetes-a-mixed-method-study-embedded-in-a-randomised-clinical-trial
#11
I Odnoletkova, H Buysse, F Nobels, G Goderis, B Aertgeerts, L Annemans, D Ramaekers
BACKGROUND: Despite advances in diagnosis and treatment of type 2 diabetes, suboptimal metabolic control persists. Patient education in diabetes has been proved to enhance self-efficacy and guideline-driven treatment, however many people with type 2 diabetes do not have access to or do not participate in self-management support programmes. Tele-education and telecoaching have the potential to improve accessibility and efficiency of care, but there is a slow uptake in Europe. Patient and provider acceptance in a local context is an important pre-condition for implementation...
November 9, 2016: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/27819448/emotions-are-understood-from-biological-motion-across-remote-cultures
#12
Carolyn Parkinson, Trent T Walker, Sarah Memmi, Thalia Wheatley
Patterns of bodily movement can be used to signal a wide variety of information, including emotional states. Are these signals reliant on culturally learned cues or are they intelligible across individuals lacking exposure to a common culture? To find out, we traveled to a remote Kreung village in Ratanakiri, Cambodia. First, we recorded Kreung portrayals of 5 emotions through bodily movement. These videos were later shown to American participants, who matched the videos with appropriate emotional labels with above chance accuracy (Study 1)...
November 7, 2016: Emotion
https://www.readbyqxmd.com/read/27814779/speaking-up-using-ostes-to-understand-how-medical-students-address-professionalism-lapses
#13
Constance R Tucker, Beth A Choby, Andrew Moore, Robert Scott Parker, Benjamin R Zambetti, Sarah Naids, Jillian Scott, Jennifer Loome, Sierra Gaffney
BACKGROUND: Objective-structured teaching encounters (OSTEs) are used across many disciplines to assess teaching ability. The OSTE detailed in this paper assesses 191 fourth-year medical students' (M4) ability to identify and address lapses in professionalism based on Association of American Medical Colleges' professionalism competencies. The research questions addressed are How frequently do M4s address professionalism lapses observed during an OSTE? What factors influence whether M4s provide feedback when they observe professionalism lapses in an OSTE? METHODS: Standardized patients (SPs) and standardized learners (SLs) were recruited and trained to participate in a standardized encounter with specific cognitive, social, and behavioral errors, including professionalism lapses...
2016: Medical Education Online
https://www.readbyqxmd.com/read/27813719/telemedicine-in-greenland-citizens-perspectives
#14
Lasse O Nielsen, Hans J Krebs, Nancy M Albert, Nick Anderson, Sheryl Catz, Timothy M Hale, John Hansen, Lise Hounsgaard, Tae Youn Kim, David Lindeman, Helle Spindler, James P Marcin, Thomas Nesbitt, Heather M Young, Birthe Dinesen
BACKGROUND: Telemedicine may have the possibility to provide better access to healthcare delivery for the citizens. Telemedicine in arctic remote areas must be tailored according to the needs of the local population. Therefore, we need more knowledge about their needs and their view of telemedicine. OBJECTIVE: The aim of this study has been to explore how citizens living in the Greenlandic settlements experience the possibilities and challenges of telemedicine when receiving healthcare delivery in everyday life...
November 4, 2016: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/27782017/family-and-practitioner-perspectives-on-telehealth-for-services-to-young-children-with-autism
#15
Teresa Iacono, Cheryl Dissanayake, David Trembath, Kristelle Hudry, Shane Erickson, Jo Spong
Telehealth offers the potential to address inequalities in autism service access for young children living in regional and rural areas with limited access to autism specialists. Our aim was to explore parent and practitioner uses of technology, and views about telehealth, including perceived barriers, for autism early intervention service delivery in a regional town in Australia. Fifteen mothers and 19 front-line autism practitioners completed surveys distributed by local autism service and support providers in the regional town; eight front-line practitioners from one service participated in interviews...
2016: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/27774412/100%C3%A2-hz-neutron-radiography-at-the-boa-beamline-using-a-parabolic-focussing-guide
#16
Pavel Trtik, Manuel Morgano, Roman Bentz, Eberhard Lehmann
The recent developments in scientific complementary metal oxide semiconductor (sCMOS) detector technology allow for imaging of relevant processes with very high temporal resolution with practically negligible readout time. However, it is neutron intensity that limits the high temporal resolution neutron imaging. In order to partially overcome the neutron intensity problem for the high temporal resolution imaging, a parabolic neutron focussing guide was utilized in the test arrangement and placed upstream the detector in such a manner that the focal point of the guide was positioned slightly behind the scintillator screen...
2016: MethodsX
https://www.readbyqxmd.com/read/27772606/robotic-assisted-coil-embolization-of-ascending-aortic-pseudoaneurysm
#17
Tony Lu, Shayan Owji, Ponraj Chinnadurai, Thomas M Loh, Adeline Schwein, Alan B Lumsden, Jean Bismuth
A 62-year-old man with coronary artery disease and ischemic cardiomyopathy after coronary artery bypass grafting and insertion of a HeartMate II (Thoratec, Pleasanton, CA) left ventricular assist device (LVAD) presented with spontaneous incisional bleeding and an ascending aortic pseudoaneurysm. Aortic angiography revealed an anomalous connection between the pseudoaneurysm and the LVAD conduit. We were able to partially embolize the tract with standard techniques, but the patient returned with repeated bleeding...
November 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27763538/an-effective-correction-method-for-seriously-oblique-remote-sensing-images-based-on-multi-view-simulation-and-a-piecewise-model
#18
Chunyuan Wang, Xiang Liu, Xiaoli Zhao, Yongqi Wang
Conventional correction approaches are unsuitable for effectively correcting remote sensing images acquired in the seriously oblique condition which has severe distortions and resolution disparity. Considering that the extraction of control points (CPs) and the parameter estimation of the correction model play important roles in correction accuracy, this paper introduces an effective correction method for large angle (LA) images. Firstly, a new CP extraction algorithm is proposed based on multi-view simulation (MVS) to ensure the effective matching of CP pairs between the reference image and the LA image...
October 18, 2016: Sensors
https://www.readbyqxmd.com/read/27742174/validation-of-diagnostic-accuracy-with-whole-slide-imaging-compared-with-glass-slide-review-in-dermatopathology
#19
Kabeer K Shah, Julia S Lehman, Lawrence E Gibson, Christine M Lohse, Nneka I Comfere, Carilyn N Wieland
BACKGROUND: Teledermatopathology has evolved from static images to whole slide imaging (WSI), which allows for remote viewing and manipulation of tissue sections. Previous studies of WSI in teledermatopathology predated College of American Pathologists (CAP) telepathology validation guidelines. OBJECTIVE: We conducted a comprehensive retrospective WSI validation study of routine dermatopathology cases, adhering to CAP guidelines. METHOD: In all, 181 consecutive cases arranged into 3 categories (inflammatory, melanocytic, nonmelanocytic proliferations) were reviewed by 3 board-certified dermatopathologists via traditional microscopy (TM) and WSI...
December 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27716560/the-perception-and-acceptability-of-pre-slaughter-and-post-slaughter-stunning-for-halal-production-the-views-of-uk-islamic-scholars-and-halal-consumers
#20
Awal Fuseini, Steve B Wotton, Phil J Hadley, Toby G Knowles
The importance of religious slaughter from economic, emotive and ethical viewpoints is significant. There are apparent economic benefits associated with trading in meats slaughtered according to religious traditions. Some religious authorities insist on the slaughter of animals without stunning, but this, according to many researchers, compromises animal welfare. We conducted a survey of Islamic scholars and Halal consumers, 66 scholars from 55 organisations and 314 consumers from 54 UK cities/towns were surveyed...
September 29, 2016: Meat Science
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