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https://www.readbyqxmd.com/read/28823048/three-dimensional-morphology-of-rigid-structures-as-a-tool-for-taxonomic-studies-of-dactylogyridae-monogenea
#1
María A Rossin, Pablo N De Francesco, Juan T Timi
Dactylogyridae is overwhelmingly the most abundant and diverse taxon among monogeneans in continental waters of South America. Their small body size requires considerable sampling effort and training for collecting and identifying the worms from the gills, skin, nasal cavities, and other microhabitats. Indeed, diagnostic characteristics as sclerites and male copulatory complex are generally less than 100-μm long and are essential for taxonomic description and identification of species. Here, a combination of simple and routine methods for three-dimensional morphological studies on hard structures is proposed for dactylogirids: SDS treatment for clarification of specimens and enzymatic digestion with proteinase K for freeing sclerotized structures, followed by laser confocal microscopy...
August 19, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28822580/otologic-skills-training
#2
REVIEW
Gregory J Wiet, Mads Sølvsten Sørensen, Steven Arild Wuyts Andersen
This article presents a summary of the current simulation training for otologic skills. There is a wide variety of educational approaches, assessment tools, and simulators in use, including simple low-cost task trainers to complex computer-based virtual reality systems. A systematic approach to otologic skills training using adult learning theory concepts, such as repeated and distributed practice, self-directed learning, and mastery learning, is necessary for these educational interventions to be effective...
August 16, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28822578/improving-rhinology-skills-with-simulation
#3
REVIEW
Andrew Y Lee, Marvin P Fried, Marc Gibber
The convergence of technology and medicine has led to many advances in surgical training. Novel surgical simulators have led to significantly improved skills of graduating surgeons, leading to decreased time to proficiency, improved efficiency, decreased errors, and improvement in patient safety. Endoscopic sinus surgery poses a steep learning curve given the complex 3-dimensional anatomy of the nasal and paranasal cavities, and the necessary visual-spatial motor skills and bimanual dexterity. This article focuses on surgical simulation in rhinological training and how innovative high-fidelity and low-fidelity simulators can maximize resident training and improve procedural skills before operating in the live environment...
August 16, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28821842/direct-learning-hidden-excited-state-interaction-patterns-from-ab-initio-dynamics-and-its-implication-as-alternative-molecular-mechanism-models
#4
Fang Liu, Likai Du, Dongju Zhang, Jun Gao
The excited states of polyatomic systems are rather complex, and often exhibit meta-stable dynamical behaviors. Static analysis of reaction pathway often fails to sufficiently characterize excited state motions due to their highly non-equilibrium nature. Here, we proposed a time series guided clustering algorithm to generate most relevant meta-stable patterns directly from ab initio dynamic trajectories. Based on the knowledge of these meta-stable patterns, we suggested an interpolation scheme with only a concrete and finite set of known patterns to accurately predict the ground and excited state properties of the entire dynamics trajectories, namely, the prediction with ensemble models (PEM)...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821626/current-applications-and-future-perspectives-of-robotics-in-cerebrovascular-and-endovascular-neurosurgery
#5
REVIEW
Simon A Menaker, Sumedh S Shah, Brian M Snelling, Samir Sur, Robert M Starke, Eric C Peterson
Advances in robotic medicine have been adopted by various surgical subspecialties as the benefits of this technology become more readily apparent: precision in narrow operative windows, tremor controlled movements, and modestly improved outcomes, among others. Vascular neurosurgery, in particular, remains open to newer and more cutting edge treatment options for complex pathologies, and robotics may be on the horizon for such advances. We seek to provide a broad overview of these innovations in vascular neurosurgery for both practitioners well acquainted with robotics and those seeking to become more familiar...
August 18, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28820227/emergency-management-leadership-in-2030-shaping-the-next-generation-meta-leader
#6
Carol L Cwiak, Ronald Campbell, Matthew G Cassavechia, Chuck Haynes, Lanita A Lloyd, Neil Brockway, George O Navarini, Byron E Piatt, Mary Senger
The complexities, interdependencies, and ambiguity that face next generation emergency management meta-leaders in an ever-evolving global community heighten the expectation and need for competencies that far exceed those common in practice today and necessitate the ability to move seamlessly through the dimensions of meta-leadership (ie, the person, the situation, and connectivity) while utilizing scientific-based evidence, information, resources, processes, and tools. The objective of this effort was to examine the recently developed next generation emergency management competencies through a meta-leadership lens by juxtaposing the competencies and the meta-leadership model...
March 2017: Journal of Emergency Management: JEM
https://www.readbyqxmd.com/read/28819803/if-at-first-you-don-t-succeed%C3%A2-%C3%A2-adoption-of-ipad-marking-for-high-stakes-assessments
#7
Terry Judd, Anna Ryan, Eleanor Flynn, Geoff McColl
Large-scale interview and simulation-based assessments such as objective structured clinical examinations (OSCEs) and multiple mini interviews (MMIs) are logistically complex to administer, generate large volumes of assessment data, and are strong candidates for the adoption of computer-based marking systems. Adoption of new technologies can be challenging, and technical failures, which are relatively commonplace, can delay and/or create resistance to ongoing implementation.This paper reports on the adoption process of an electronic marking system for OSCEs and MMIs following an unsuccessful initial trial...
August 17, 2017: Perspectives on Medical Education
https://www.readbyqxmd.com/read/28819168/resistance-training-regulates-gene-expression-of-molecules-associated-with-intramyocellular-lipids-glucose-signaling-and-fiber-size-in-old-rats
#8
Manoel Benício Teixeira Ribeiro, Vinicius Guzzoni, Jeffrey M Hord, Gisele Nunes Lopes, Rita de Cássia Marqueti, Rosângela Vieira de Andrade, Heloisa Sobreiro Selistre-de-Araujo, João Luiz Q Durigan
Sarcopenia is a complex multifactorial process, some of which involves fat infiltration. Intramyocellular lipid (IMCL) accumulation is postulated to play a role on sarcopenia during aging, which is believed to be due alterations in glucose homeostasis in the skeletal muscle. Sarcopenia, along with intramuscular lipids, is associated with physical inactivity. Resistance training (RT) has been indicated to minimize the age-induced muscle skeletal adaptations. Thus, we aimed to investigate the effects of RT on mRNA levels of regulatory components related to intramyocellular lipid, glucose metabolism and fiber size in soleus and gastrocnemius muscles of aged rats...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818710/multivariate-soil-fertility-relationships-for-predicting-the-environmental-persistence-of-2-4-6-trinitrotoluene-tnt-and-1-3-5-trinitro-1-3-5-tricyclohexane-rdx-among-taxonomically-distinct-soils
#9
Chelsea K Katseanes, Mark A Chappell, Bryan G Hopkins, Brian D Durham, Cynthia L Price, Beth E Porter, Lesley F Miller
After nearly a century of use in numerous munition platforms, TNT and RDX contamination has turned up largely in the environment due to ammunition manufacturing or as part of releases from low-order detonations during training activities. Although the basic knowledge governing the environmental fate of TNT and RDX are known, accurate predictions of TNT and RDX persistence in soil remain elusive, particularly given the universal heterogeneity of pedomorphic soil types. In this work, we proposed overcoming this problem by considering the environmental persistence of these munition constituents (MC) as multivariate mathematical functions over a variety of taxonomically distinct soil types, instead of a single constant or parameter of a specific absolute value...
August 14, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28818488/education-for-wic-peer-counselors-about-breastfeeding-the-late-preterm-infant
#10
Cindi Faith Bennett, Cynthia Galloway, Jane S Grassley
Mothers of late preterm infants need ongoing support because they often find establishing breastfeeding (BF) to be complex and difficult. Special Supplemental Nutrition Program for Women, Infants and Children peer counselors provide BF information and emotional support to new mothers in many communities. However, their current training does not include education about BF for the late preterm infant. The purpose of this report is to present important information about BF and the late preterm infant that can enhance peer counselors' ability to offer appropriate support...
August 14, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28817643/peripheral-clinic-versus-centralized-laboratory-based-xpert-mtb-rif-performance-experience-gained-from-a-pragmatic-stepped-wedge-trial-in-botswana
#11
Tefera Agizew, Rosanna Boyd, Ndwapi Ndwapi, Andrew Auld, Joyce Basotli, Sambayawo Nyirenda, Zegabriel Tedla, Anikie Mathoma, Unami Mathebula, Chawangwa Lesedi, Sherri Pals, Anand Date, Heather Alexander, Thomas Kuebrich, Alyssa Finlay
BACKGROUND: In 2011, the Botswana National Tuberculosis Program adopted World Health Organization guidelines and introduced Xpert MTB/RIF (Xpert) assay to support intensified case finding among people living with HIV enrolling in care. An evaluation was designed to assess performance under operational conditions to inform the national Xpert scale-up. METHODS: Xpert was implemented from August 2012 through November 2014 with 13 GeneXpert instruments (GeneXpert) deployed in a phased approach over nine months: nine centralized laboratory and four point-of-care (POC) peripheral clinics...
2017: PloS One
https://www.readbyqxmd.com/read/28817571/automated-segmentation-of-mouse-oct-volumes-asimov-validation-clinical-study-of-a-light-damage-model
#12
Bhavna Josephine Antony, Byung-Jin Kim, Andrew Lang, Aaron Carass, Jerry L Prince, Donald J Zack
The use of spectral-domain optical coherence tomography (SD-OCT) is becoming commonplace for the in vivo longitudinal study of murine models of ophthalmic disease. Longitudinal studies, however, generate large quantities of data, the manual analysis of which is very challenging due to the time-consuming nature of generating delineations. Thus, it is of importance that automated algorithms be developed to facilitate accurate and timely analysis of these large datasets. Furthermore, as the models target a variety of diseases, the associated structural changes can also be extremely disparate...
2017: PloS One
https://www.readbyqxmd.com/read/28816556/maternal-mortality-in-the-last-triennium-of-the-millennium-development-goal-era-at-the-obafemi-awolowo-university-teaching-hospitals-complex-ile-ife-nigeria
#13
Ibraheem Olayemi Awowole, Olusegun Olalekan Badejoko, Oluwafemi Kuti, Omotade Adebimpe Ijarotimi, Oluwaseun Oludotun Sowemimo, Ifeoluwa Emmanuel Ogunduyile
The maternal mortality ratio (MMR) of Nigeria remains high. This retrospective study aims to suggest evidence-based strategies towards achieving the sustainable development goal target 3.1 at the Obafemi Awolowo University Teaching Hospital (OAUTHC), Nigeria by providing contemporary data on MMR between October 2012 and September 2015. There were 86 maternal deaths and 5243 live births over the triennium, with annual MMRs of 1744, 1622 and 1512/100,000 live births, respectively. Fifty-six (65.2%) were postpartum deaths, while 44 (51...
August 17, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28816417/docking-field-based-qsar-and-pharmacophore-studies-on-the-substituted-pyrimidine-derivatives-targeting-hiv-1-reverse-transcriptase
#14
Ningning Fan, Shuang Zhang, Tao Sheng, Liang Zhao, Zhenming Liu, Junyi Liu, Xiaowei Wang
HIV-1 reverse transcriptase (RT) is one of the most important enzymes required for viral replication, thus acting as an attractive target for anti-retroviral therapy. Pyrimidine analogues reportedly have selective inhibition on HIV-1 RT with favorable antiviral activities in our previous study. To further explore the relationship between inhibitory activity and pharmacophoric characteristics, field-based QSAR models were generated and validated using Schrodinger Suite (correlation coefficient of 0.8078, cross-validated value of 0...
August 17, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28816063/acute-cardiovascular-care-association-position-paper-on-intensive-cardiovascular-care-units-an-update-on-their-definition-structure-organisation-and-function
#15
Eric Bonnefoy-Cudraz, Hector Bueno, Gianni Casella, Elia De Maria, Donna Fitzsimons, Sigrun Halvorsen, Christian Hassager, Zaza Iakobishvili, Ahmed Magdy, Toomas Marandi, Jorge Mimoso, Alexander Parkhomenko, Susana Price, Richard Rokyta, Francois Roubille, Pranas Serpytis, Avi Shimony, Janina Stepinska, Diana Tint, Elina Trendafilova, Marco Tubaro, Christiaan Vrints, David Walker, Doron Zahger, Endre Zima, Robert Zuckerman, Maddalena Lettino
Acute cardiovascular care has progressed considerably since the last position paper was published 10 years ago. It is now a well-defined, complex field with demanding multidisciplinary teamworking. The Acute Cardiovascular Care Association has provided this update of the 2005 position paper on acute cardiovascular care organisation, using a multinational working group. The patient population has changed, and intensive cardiovascular care units now manage a large range of conditions from those simply requiring specialised monitoring, to critical cardiovascular diseases with associated multi-organ failure...
August 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28815994/imrt-qa-using-machine-learning-a-multi-institutional-validation
#16
Gilmer Valdes, Maria F Chan, Seng Boh Lim, Ryan Scheuermann, Joseph O Deasy, Timothy D Solberg
PURPOSE: To validate a machine learning approach to Virtual intensity-modulated radiation therapy (IMRT) quality assurance (QA) for accurately predicting gamma passing rates using different measurement approaches at different institutions. METHODS: A Virtual IMRT QA framework was previously developed using a machine learning algorithm based on 498 IMRT plans, in which QA measurements were performed using diode-array detectors and a 3%local/3 mm with 10% threshold at Institution 1...
August 17, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28815130/ground-truth-creation-for-complex-clinical-nlp-tasks-an-iterative-vetting-approach-and-lessons-learned
#17
Jennifer J Liang, Ching-Huei Tsou, Murthy V Devarakonda
Natural language processing (NLP) holds the promise of effectively analyzing patient record data to reduce cognitive load on physicians and clinicians in patient care, clinical research, and hospital operations management. A critical need in developing such methods is the "ground truth" dataset needed for training and testing the algorithms. Beyond localizable, relatively simple tasks, ground truth creation is a significant challenge because medical experts, just as physicians in patient care, have to assimilate vast amounts of data in EHR systems...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28814162/insights-on-the-intersection-of-health-equity-and-school-nutrition-policy-implementation-an-exploratory-qualitative-secondary-analysis
#18
Yuka Asada, Alejandro Hughes, Jamie Chriqui
BACKGROUND: Recent federal policies aimed to ensure that all children have equitable access to healthy school nutrition environments. However, historically, disparities have persisted in the quality of school nutrition environments across geographic and socioeconomic groups. There is limited literature addressing if and how recent efforts to reform the school nutrition environment have influenced such disparities. The main objective of this study was to explore stakeholders' insights on how school nutrition reform intersected with issues of inequity...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28814032/studying-the-implementation-of-iterative-impedance-control-for-assistive-hand-rehabilitation-using-an-exoskeleton
#19
T Martineau, R Vaidyanathan
A positive training synergy can be obtained when two individuals attempt to learn the same motor task while mechanically coupled to one another. In this paper, we have studied how mimicking this interaction through impedance control can be exploited to improve assistance delivered by hand exoskeleton devices during rehabilitation. In this context, the machine and user take complementary roles akin to two coupled individuals. We present the derivation of a dynamic model of the human hand for the purpose of controller development for new hand exoskeleton platforms...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813991/voluntary-phantom-hand-and-finger-movements-in-transhumerai-amputees-could-be-used-to-naturally-control-polydigital-prostheses
#20
Nathanael Jarrasse, Caroline Nicol, Florian Richer, Amelie Touillet, Noel Martinet, Jean Paysant, Jozina B De Graaf
An arm amputation is extremely invalidating since many of our daily tasks require bi-manual and precise control of hand movements. Perfect hand prostheses should therefore offer a natural, intuitive and cognitively simple control over their numerous biomimetic active degrees of freedom. While efficient polydigital prostheses are commercially available, their control remains complex to master and offers limited possibilities, especially for high amputation levels. In this pilot study, we demonstrate the possibility for upper-arm amputees to intuitively control a polydigital hand prosthesis by using surface myoelectric activities of residual limb muscles (sEMG) associated with phantom limb movements, even if these residual arm muscles on which the phantom activity is measured were not naturally associated with hand movements before amputation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
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