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https://www.readbyqxmd.com/read/29782662/spoof-plasmonics-from-metamaterial-concept-to-topological-description
#1
REVIEW
Zhen Gao, Lin Wu, Fei Gao, Yu Luo, Baile Zhang
Advances in metamaterials have offered the opportunity of engineering electromagnetic properties beyond the limits of natural materials. A typical example is "spoof" surface plasmon polaritons (SPPs), which mimic features of SPPs without penetrating into metal, but only with periodic corrugations on metal surfaces. They hold considerable promise in device applications from microwaves to the far infrared, where real SPP modes do not exist. The original spoof SPP concept is derived from the description of corrugated surfaces by a metamaterial that hosts an effective plasma frequency...
May 21, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29782605/trends-in-oncologic-hybrid-imaging
#2
REVIEW
Andreas G Wibmer, Hedvig Hricak, Gary A Ulaner, Wolfgang Weber
Hybrid imaging plays a central role in the diagnosis and management of a wide range of malignancies at all stages. In this article, we review the most pertinent historical developments, emerging clinical applications of novel radiotracers and imaging technologies, and potential implications for training and practice. This includes an overview of novel tracers for prostate, breast, and neuroendocrine tumors, assessment of tumor heterogeneity, the concept of image-guided 'biologically relevant dosing', and theranostic applications...
2018: Eur J Hybrid Imaging
https://www.readbyqxmd.com/read/29782212/national-impact-of-the-epec-pediatrics-enhanced-train-the-trainer-model-for-delivering-education-on-pediatric-palliative-care
#3
Kimberley Widger, Joanne Wolfe, Stefan Friedrichsdorf, Jason D Pole, Sarah Brennenstuhl, Stephen Liben, Mark Greenberg, Eric Bouffet, Harold Siden, Amna Husain, James A Whitlock, Myra Leyden, Adam Rapoport
BACKGROUND: Lack of pediatric palliative care (PPC) training impedes successful integration of PPC principles into pediatric oncology. OBJECTIVES: We examined the impact of an enhanced implementation of the Education in Palliative and End-of-Life Care for Pediatrics (EPEC® -Pediatrics) curriculum on the following: (1) knowledge dissemination; (2) health professionals' knowledge; (3) practice change; and (4) quality of PPC. DESIGN: An integrated knowledge translation approach was used with pre-/posttest evaluation of care quality...
May 21, 2018: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/29781887/speculations-on-the-future-of-psychiatric-diagnosis
#4
A John Rush, Hisham M Ibrahim
The Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-V), criterion symptom listings are frequently used in clinical practice as checklists to make diagnoses. However, most DSM-V conditions are, in fact, syndromes, that is, collections of signs and symptoms that commonly occur together in the clinic. This report discusses the value of syndromes in medicine and psychiatry. It is argued that a more precise future enumeration of brain circuits and the pathogenesis of psychiatric conditions will help us better understand and treat psychiatric syndromes, but they are unlikely to eliminate the need to categorize psychiatric conditions...
May 17, 2018: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/29781466/antiemetic-guidelines-using-education-to-improve-adherence-and-reduce-incidence-of-cinv-in-patients-receiving-highly-emetogenic-chemotherapy
#5
Corrine Mellin, Mallory Lexa, Ashley Leak Bryant, Susie Mason, Deborah K Mayer
BACKGROUND: With the development of increasingly effective antiemetic regimens, guideline adherence can prevent 70%-80% of chemotherapy-induced nausea and vomiting (CINV) in patients with cancer. OBJECTIVES: This quality improvement project aims to increase rates of adherence to national guidelines and, ultimately, decrease rates of CINV experienced by patients receiving highly emetogenic chemotherapy. METHODS: A retrospective chart analysis was performed...
June 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29781453/smoking-cessation-an-oncology-clinical-nurse-specialist-led-program
#6
Susan D Bruce
Healthcare providers often do not have the time to counsel patients on how to quit smoking. Consequently, little emphasis is placed on this pursuit, and no behavioral counseling is done. Using medications approved by the U.S. Food and Drug Administration in combination with behavioral counseling has been shown to be effective in smoking cessation programs. Oncology nurses, and advanced practice nurses in particular, can play a significant role in helping patients to quit smoking. This article details how one oncology clinical nurse specialist created a smoking cessation program at her institution...
June 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29781384/how-to-uncover-sources-of-unwarranted-practice-variation-a-case-study-in-emergency-medicine
#7
Markus A Feufel
Forty years of statistical database analyses have demonstrated the existence of unwarranted practice variation in care delivery, that is, variations independent of medical need, evidence, or patient preference. Alas, little is known about the underlying mechanisms and thus finding interventions to reduce unwarranted variations remains difficult, hampering quality, equity, and efficiency of care. Whereas statistical analyses describe deviations from ideal patterns, ethnographically inspired analyses aim at understanding when, how, and why variations occur in practice...
May 1, 2018: Qualitative Health Research
https://www.readbyqxmd.com/read/29781353/clinical-trials-with-multiple-endpoints-can-establish-a-correlation-but-not-yet-causality-between-dietary-supplementation-with-omega-3-fatty-acids-and-keratoconjunctivitis-sicca
#8
Roger Lee Mendoza
AIM: We review clinical evidence of therapeutic efficacy and effectiveness of omega-3 fatty acids (omega-3s) in keratoconjunctivitis sicca, colloquially known as dry eye disease. In doing so, we identify relevant literature to address the following questions: 1) What definitive guidance can clinical evidence offer eye physicians and their patients? 2) What aspects of omega-3 supplementation lack definitive evidence, and how might economic assessments help? METHODS: A targeted and systematic search strategy based on PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) was designed in this study for refereed clinical trials of omega-3s in dry eye treatment...
May 21, 2018: Journal of Medical Economics
https://www.readbyqxmd.com/read/29781149/supporting-advanced-dementia-in-people-with-down-syndrome-and-other-intellectual-disability-consensus-statement-of-the-international-summit-on-intellectual-disability-and-dementia
#9
M McCarron, P McCallion, A Coppus, J Fortea, S Stemp, M Janicki, K Wtachman
BACKGROUND: The International Summit on Intellectual Disability and Dementia (Glasgow, Scotland; October 2016) noted that advanced dementia can be categorised as that stage of dementia progression characterised by significant losses in cognitive and physical function, including a high probability of further deterioration and leading to death. METHOD: The question before the Summit was whether there were similarities and differences in expressions of advanced dementia between adults with intellectual disability (ID) and adults in the general population...
May 20, 2018: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/29781016/comparative-analysis-of-the-cellular-entry-of-polystyrene-and-gold-nanoparticles-using-the-freeze-concentration-method
#10
Sana Ahmed, Koyo Okuma, Kazuaki Matsumura
Despite advances in nanoparticle delivery, established physical approaches, such as electroporation and sonication, result in cell damage, limiting their practical applications. In this study, we proposed a unique freeze concentration-based technique and evaluated the efficacy of the method using two types of nanoparticles: citrate-capped gold nanoparticles and carboxylated polystyrene nanoparticles. We further compared the internalisation behaviour of particles of various sizes with and without freezing. Confocal microscopic images showed that the uptake efficacy of 50 nm nanomaterials was greater than that of 100 nm particles...
May 21, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29780664/a-new-paradigm-for-tissue-diagnostics-tools-and-techniques-to-standardize-tissue-collection-transport-and-fixation
#11
REVIEW
Daniel R Bauer, Michael Otter, David R Chafin
Purpose of Review: Studying and developing preanalytical tools and technologies for the purpose of obtaining high-quality samples for histological assays is a growing field. Currently, there does not exist a standard practice for collecting, fixing, and monitoring these precious samples. There has been some advancement in standardizing collection for the highest profile tumor types, such as breast, where HER2 testing drives therapeutic decisions. This review examines the area of tissue collection, transport, and monitoring of formalin diffusion and details a prototype system that could be used to help standardize tissue collection efforts...
2018: Current Pathobiology Reports
https://www.readbyqxmd.com/read/29780461/-in-operando-imaging-of-self-catalyzed-formaldehyde-burst-in-methanol-oxidation-reactions-under-open-circuit-conditions
#12
Liang Yuan, Meng Li, Tinglian Yuan, Yimin Fang, Wei Wang
We employ a surface plasmon resonance imaging (SPRi) technique to monitor the in operando process of formaldehyde (HCHO) production during methanol oxidation with high spatial and temporal resolutions. While common wisdom suggests HCHO is generated as an intermediate during continuous electron transfer towards CO2 , we find that the majority of HCHO is produced via self-catalyzed chemical and electrochemical reactions under open-circuit conditions, which lead to an unprecedented HCHO burst immediately after withdrawal of external potential...
April 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29779754/introduction-art-and-the-brain-from-pleasure-to-well-being
#13
EDITORIAL
Julia F Christensen, Antoni Gomila
Empirical aesthetics in general, and neuroaesthetics in particular, have been very much influenced by Berlyne's psychobiological program. For him, aesthetic appreciation involved the brain's reward and aversion systems. From this point of view, art constitutes a set of potentially rewarding stimuli. Research has certainly made great advances in understanding how the process of artistic valuation takes places, and which brain circuits are involved in generating the pleasure we obtain from artistic practices, performances, and works...
2018: Progress in Brain Research
https://www.readbyqxmd.com/read/29779130/the-present-and-the-future-of-genetic-testing-in-familial-hypercholesterolemia-opportunities-and-caveats
#14
REVIEW
Amanda J Hooper, John R Burnett, Damon A Bell, Gerald F Watts
PURPOSE OF REVIEW: We summarize recent advances in the understanding of genetic testing in familial hypercholesterolemia (FH), the use of expanded FH next-generation sequencing panels, and directions for future research. RECENT FINDINGS: The uptake of massively parallel sequencing in research and diagnostic laboratories has enabled expanded testing for FH and its phenocopies, with the added advantage that copy number variants can be detected. However, increasing the number of genes tested increases the number of variants detected, which may or may not be pathogenic...
May 19, 2018: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29778713/concluding-commentary-on-current-trends-to-enhance-the-clinical-safety-of-pediatric-transfusion-focusing-on-prevention-of-untoward-complications-of-hsc-transplantation-newer-strategies-for-improving-the-standards-of-safety-quality-of-stem-cells-expansion-for
#15
REVIEW
Irena Sniecinski, Jerard Seghatchian
Clinical practice and related diagnostic, development and research [DDR] strategies in pediatric transfusion and transplantation cover a broad range of multidisciplinary studies, performed by many professionals involved in this most challenging clinical field [1]. This commentary on the current position and future perspectives in pediatric transfusion field is aimed to highlight major unresolved transfusion complications in pediatric patients, namely red blood cell and platelet alloimmunisation, and new ones such as nosocomial infection, thrombosis and multi-organ failure...
May 16, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29778545/a-descriptive-model-for-a-multidisciplinary-unit-for-colorectal-and-pelvic-malformations
#16
Alejandra Vilanova-Sanchez, Devin R Halleran, Carlos A Reck-Burneo, Alessandra C Gasior, Laura Weaver, Meghan Fisher, Andrea Wagner, Onnalisa Nash, Kristina Booth, Kaleigh Peters, Charae Williams, Sarah Mayer Brown, Peter Lu, Molly Fuchs, Karen Diefenbach, Jeffrey R Leonard, Geri Hewitt, Kate McCracken, Carlo Di Lorenzo, Richard J Wood, Marc A Levitt
INTRODUCTION: Patients with anorectal malformations (ARM), Hirschsprung disease (HD), and colonic motility disorders often require care from specialists across a variety of fields, including colorectal surgery, urology, gynecology, and GI motility. We sought to describe the process of creating a collaborative process for the care of these complex patients. METHODS: We developed a model of a devoted center for these conditions that includes physicians, psychologists, social workers, nurses, and advanced practice nurses...
April 19, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29777966/determinants-of-choice-of-delivery-place-testing-rational-choice-theory-and-habitus-theory
#17
Anja Broda, Juliane Krüger, Stephanie Schinke, Andreas Weber
OBJECTIVE: The current study uses two antipodal social science theories, the rational choice theory and the habitus theory, and applies these to describe how women choose between intraclinical (i.e., hospital-run birth clinics) and extraclinical (i.e., midwife-led birth centres or home births) delivery places. DESIGN, SETTING, PARTICIPANTS, MEASUREMENTS: Data were collected in a cross-sectional questionnaire-based survey among 189 women. A list of 22 determinants, conceptualized to capture the two theoretical concepts, were rated on a 7-point Likert scale with 1 = unimportant to 7 = very important...
May 7, 2018: Midwifery
https://www.readbyqxmd.com/read/29777828/mutual-connectivity-analysis-of-resting-state-functional-mri-data-with-local-models
#18
Adora M DSouza, Anas Z Abidin, Udaysankar Chockanathan, Giovanni Schifitto, Axel Wismüller
Functional connectivity analysis of functional MRI (fMRI) can represent brain networks and reveal insights into interactions amongst different brain regions. However, most connectivity analysis approaches adopted in practice are linear and non-directional. In this paper, we demonstrate the advantage of a data-driven, directed connectivity analysis approach called Mutual Connectivity Analysis using Local Models (MCA-LM) that approximates connectivity by modeling nonlinear dependencies of signal interaction, over more conventionally used approaches, such as Pearson's and partial correlation, Patel's conditional dependence measures, etcetera...
May 16, 2018: NeuroImage
https://www.readbyqxmd.com/read/29777175/artificial-intelligence-in-radiology
#19
REVIEW
Ahmed Hosny, Chintan Parmar, John Quackenbush, Lawrence H Schwartz, Hugo J W L Aerts
Artificial intelligence (AI) algorithms, particularly deep learning, have demonstrated remarkable progress in image-recognition tasks. Methods ranging from convolutional neural networks to variational autoencoders have found myriad applications in the medical image analysis field, propelling it forward at a rapid pace. Historically, in radiology practice, trained physicians visually assessed medical images for the detection, characterization and monitoring of diseases. AI methods excel at automatically recognizing complex patterns in imaging data and providing quantitative, rather than qualitative, assessments of radiographic characteristics...
May 17, 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29777043/new-advances-in-amblyopia-therapy-i-binocular-therapies-and-pharmacologic-augmentation
#20
Courtney L Kraus, Susan M Culican
Amblyopia therapy options have traditionally been limited to penalisation of the non-amblyopic eye with either patching or pharmaceutical penalisation. Solid evidence, mostly from the Pediatric Eye Disease Investigator Group, has validated both number of hours a day of patching and days per week of atropine use. The use of glasses alone has also been established as a good first-line therapy for both anisometropic and strabismic amblyopia. Unfortunately, visual acuity equalisation or even improvement is not always attainable with these methods...
May 18, 2018: British Journal of Ophthalmology
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