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https://www.readbyqxmd.com/read/29342435/the-2016-american-academy-of-ophthalmology-iris%C3%A2-registry-intelligent-research-in-sight-database-characteristics-and-methods
#1
Michael F Chiang, Alfred Sommer, William L Rich, Flora Lum, David W Parke
PURPOSE: To describe the characteristics of the patient population included in the 2016 IRIS® Registry (Intelligent Research in Sight) database for analytic aims. DESIGN: Description of a clinical data registry. PARTICIPANTS: The 2016 IRIS Registry database consists of 17 363 018 unique patients from 7200 United States-based ophthalmologists in the United States. METHODS: Electronic health record (EHR) data were extracted from the participating practices and placed into a clinical database...
January 13, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29342432/pharmacists-scope-of-practice-in-travel-health-a-review-of-state-laws-and-regulations
#2
Keri Hurley-Kim, Rebecca Snead, Karl M Hess
OBJECTIVES: The primary objective of this study was to assess pharmacists' authority to provide travel health services in each state and Washington, DC. Secondary objectives were to determine the need for collaborative practice agreements (CPAs), protocols, or prescriptions for this type of pharmacy practice and to identify jurisdictions where pharmacists are able to practice as travel health providers independent of CPAs or individual physician protocols. METHODS: An online survey was developed to assess pharmacists' authority to administer travel immunizations, furnish travel-related medications, and order travel-related laboratory tests...
January 13, 2018: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29342409/development-and-characterization-of-an-allergoid-of-cat-dander-for-immunotherapy
#3
J P Sola, Y Pedreño, A Cerezo, M Peñalver-Mellado
BACKGROUND: Allergy to cats is a frequent cause of sensitization to indoor allergens and currently there are few alternatives to specific immunotherapy with cat native extracts. The objective is to develop and characterize a new allergoid to increase the tools available for use in clinical practice. METHODS: The allergoid cat dander extract (ACD) was developed from a native cat dander extract (NCD) by modification with glutaraldehyde, and the optimal process control was determined by SDS-PAGE, DOT BLOT and determination of free amine groups...
January 13, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29342399/information-theoretic-bounds-and-approximations-in-neural-population-coding
#4
Wentao Huang, Kechen Zhang
While Shannon's mutual information has widespread applications in many disciplines, for practical applications it is often difficult to calculate its value accurately for high-dimensional variables because of the curse of dimensionality. This article focuses on effective approximation methods for evaluating mutual information in the context of neural population coding. For large but finite neural populations, we derive several information-theoretic asymptotic bounds and approximation formulas that remain valid in high-dimensional spaces...
January 17, 2018: Neural Computation
https://www.readbyqxmd.com/read/29342291/portuguese-study-of-mean-glandular-dose-in-mammography-and-comparison-with-european-references
#5
Cláudia Sá Dos Reis, Mário João Fartaria, João H Garcia Alves, Ana Pascoal
To characterise the mean glandular dose (MGD) in a sample of healthcare providers for digital mammography in Portugal. To compare the achieved values with European references. The MGD was measured on a poly-methyl-methacrylate phantom (45 mm) for each system using dosimeters. In addition, MGD was estimated using exposure settings collected from mammography exams in clinical context. Data were collected from 25 computed-radiography systems (CR) and 13 integrated digital (DR). For both measurements (phantom and clinical exposures), the average MGD for CR was higher compared to the DR...
January 12, 2018: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29342286/the-ethics-of-general-population-preventive-genomic-sequencing-rights-and-social-justice
#6
Clair Morrissey, Rebecca L Walker
Advances in DNA sequencing technology open new possibilities for public health genomics, especially in the form of general population preventive genomic sequencing (PGS). Such screening programs would sit at the intersection of public health and preventive health care, and thereby at once invite and resist the use of clinical ethics and public health ethics frameworks. Despite their differences, these ethics frameworks traditionally share a central concern for individual rights. We examine two putative individual rights-the right not to know, and the child's right to an open future-frequently invoked in discussions of predictive genetic testing, in order to explore their potential contribution to evaluating this new practice...
January 12, 2018: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/29342235/estimation-of-lead-exposure-prevalence-in-korean-population-through-combining-multiple-experts-judgment-based-on-objective-data-sources
#7
Dong-Hee Koh, Ju-Hyun Park, Sang-Gil Lee, Hwan-Cheol Kim, Sangjun Choi, Hyejung Jung, Jae-Oh Park, Dong-Uk Park
Objective: Estimating carcinogen exposure prevalence is important for preventing occupational cancers. To develop the Korean version of CARcinogen EXposure (CAREX), a carcinogen surveillance system used in many countries, we estimated lead exposure prevalence in the Korean working population. Methods: We used three Korean nationwide data sources to obtain objective database-derived prevalences of lead exposure across industries: airborne lead measurement data from the work environment measurement database (WEMD), blood lead measurement data from the special health examination database (SHED), and lead exposure prevalence computed using data from the work environment condition survey (WECS), which is a nationwide occupational exposure survey...
January 12, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29342229/a-rapid-epistatic-mixed-model-association-analysis-by-linear-retransformations-of-genomic-estimated-values
#8
Chao Ning, Dan Wang, Huimin Kang, Raphael Mrode, Lei Zhou, Shizhong Xu, Jian-Feng Liu
Motivation: Epistasis provides a feasible way for probing potential genetic mechanism of complex traits. However, time-consuming computation challenges successful detection of interaction in practice, especially when linear mixed model (LMM) is used to control type I error in the presence of population structure and cryptic relatedness. Results: A rapid epistatic mixed-model association analysis (REMMA) method was developed to overcome computational limitation. This method first estimates individuals' epistatic effects by an extended genomic best linear unbiased prediction (EG-BLUP) model with additive and epistatic kinship matrix, then pairwise interaction effects are obtained by linear retransformations of individuals' epistatic effects...
January 12, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29342201/differentiation-of-glioblastoma-multiforme-metastases-and-primary-central-nervous-system-lymphomas-using-multiparametric-perfusion-and-diffusion-mr-imaging-of-a-tumor-core-and-a-peritumoral-zone-searching-for-a-practical-approach
#9
Małgorzata Neska-Matuszewska, Joanna Bladowska, Marek Sąsiadek, Anna Zimny
INTRODUCTION: In conventional MR examinations glioblastomas multiforme (GBMs), metastases and primary CNS lymphomas (PCNSLs) may show very similar appearance. The aim of the study was to evaluate usefulness of multiparametric T2*DSC perfusion and diffusion MR imaging in the preoperative differentiation of these tumors. MATERIAL AND METHODS: Seventy four solitary enhancing tumors (27 GBMs, 30 metastases, 17 PCNSLs) were enrolled in the study. Parameters of cerebral blood volume (rCBV), peak height (rPH), percentage of signal recovery (rPSR) and apparent diffusion coefficient (ADC) were assessed from the tumor core and the peritumoral non-enhancing T2-hyperintense zone...
2018: PloS One
https://www.readbyqxmd.com/read/29342192/white-matter-tract-specific-quantitative-analysis-in-multiple-sclerosis-comparison-of-optic-radiation-reconstruction-techniques
#10
Chenyu Wang, Alexander Klistorner, Linda Ly, Michael H Barnett
The posterior visual pathway is commonly affected by multiple sclerosis (MS) pathology that results in measurable clinical and electrophysiological impairment. Due to its highly structured retinotopic mapping, the visual pathway represents an ideal substrate for investigating patho-mechanisms in MS. Therefore, a reliable and robust imaging segmentation method for in-vivo delineation of the optic radiations (OR) is needed. However, diffusion-based tractography approaches, which are typically used for OR segmentation are confounded by the presence of focal white matter lesions...
2018: PloS One
https://www.readbyqxmd.com/read/29342163/doxylamine-pyridoxine-for-nausea-and-vomiting-of-pregnancy-randomized-placebo-controlled-trial-prespecified-analyses-and-reanalysis
#11
Navindra Persaud, Christopher Meaney, Khaled El-Emam, Rahim Moineddin, Kevin Thorpe
BACKGROUND: Doxylamine-pyridoxine is recommended as a first line treatment for nausea and vomiting during pregnancy and it is commonly prescribed. We re-analysed the findings of a previously reported superiority trial of doxylamine-pyridoxine for the treatment of nausea and vomiting during pregnancy using the clinical study report obtained from Health Canada. METHODS AND FINDINGS: We re-analysed individual level data for a parallel arm randomized controlled trial that was conducted in six outpatient obstetrical practices in the United States...
2018: PloS One
https://www.readbyqxmd.com/read/29342158/real-time-community-detection-in-full-social-networks-on-a-laptop
#12
Benjamin Paul Chamberlain, Josh Levy-Kramer, Clive Humby, Marc Peter Deisenroth
For a broad range of research and practical applications it is important to understand the allegiances, communities and structure of key players in society. One promising direction towards extracting this information is to exploit the rich relational data in digital social networks (the social graph). As global social networks (e.g., Facebook and Twitter) are very large, most approaches make use of distributed computing systems for this purpose. Distributing graph processing requires solving many difficult engineering problems, which has lead some researchers to look at single-machine solutions that are faster and easier to maintain...
2018: PloS One
https://www.readbyqxmd.com/read/29342101/a-novel-methodology-for-improving-plant-pest-surveillance-in-vineyards-and-crops-using-uav-based-hyperspectral-and-spatial-data
#13
Fernando Vanegas, Dmitry Bratanov, Kevin Powell, John Weiss, Felipe Gonzalez
Recent advances in remote sensed imagery and geospatial image processing using unmanned aerial vehicles (UAVs) have enabled the rapid and ongoing development of monitoring tools for crop management and the detection/surveillance of insect pests. This paper describes a (UAV) remote sensing-based methodology to increase the efficiency of existing surveillance practices (human inspectors and insect traps) for detecting pest infestations (e.g., grape phylloxera in vineyards). The methodology uses a UAV integrated with advanced digital hyperspectral, multispectral, and RGB sensors...
January 17, 2018: Sensors
https://www.readbyqxmd.com/read/29342077/use-of-a-new-international-classification-of-health-interventions-for-capturing-information-on-health-interventions-relevant-to-people-with-disabilities
#14
Nicola Fortune, Richard Madden, Ann-Helene Almborg
Development of the World Health Organization's International Classification of Health Interventions (ICHI) is currently underway. Once finalised, ICHI will provide a standard basis for collecting, aggregating, analysing, and comparing data on health interventions across all sectors of the health system. In this paper, we introduce the classification, describing its underlying tri-axial structure, organisation and content. We then discuss the potential value of ICHI for capturing information on met and unmet need for health interventions relevant to people with a disability, with a particular focus on interventions to support functioning and health promotion interventions...
January 17, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29342070/an-evaluation-of-industry-relationships-among-contributors-to-aaos-clinical-practice-guidelines-and-appropriate-use-criteria
#15
Jake X Checketts, Courtney Cook, Matt Vassar
BACKGROUND: A long-standing relationship between orthopaedic surgeons and industry has made financial conflicts of interest a concerning issue. Research supports that financial conflicts of interest can influence both medical research and clinical practice. Financial conflicts of interest may also influence clinical practice guideline recommendations and their corresponding appropriate use criteria. Because of the influential nature of these guidelines, it is imperative that care be taken to minimize bias during guideline development...
January 17, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29342043/the-american-otological-society-at-its-sesquicentennial-insights-into-the-society-s-formative-years
#16
Robert K Jackler, Jennifer C Alyono, Albert C Mudry
OBJECTIVE: To elucidate the sequence of events which led to the formation of the American Otological Society (AOS) in 1868 and to examine the lives and contributions of the nine founding members of the Society. METHODS: Study of primary historical documents, biographical material, and previous histories of the AOS. RESULTS: Earlier treatments of the history of the AOS minimally covered the events and personalities from the Society's formative period...
January 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29342036/trends-in-intraoperative-testing-during-cochlear-implantation
#17
Joshua Cody Page, Matthew D Cox, Blake Hollowoa, Juliana Bonilla-Velez, Aaron Trinidade, John L Dornhoffer
OBJECTIVE: No consensus guidelines exist regarding intraoperative testing during cochlear implantation and wide variation in practice habits exists. The objective of this observational study was to survey otologists/neurotologists to understand practice habits and overall opinion of usefulness of intraoperative testing. STUDY DESIGN: Cross-sectional survey. SETTING: A web-based survey was sent to 194 practicing Otologists/Neurotologists. MAIN OUTCOME MEASURES: Questions included practice setting and experience, habits with respect to electrodes used, intraoperative testing modalities used, overall opinion of intraoperative testing, and practice habits in various scenarios...
January 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29342023/physiatry-reviews-for-evidence-in-practice-second-order-peer-review-does-massage-therapy-have-value-in-the-treatment-for-tension-type-headache
#18
Lynn N Gerber, Dinesh Kumbhare
No abstract text is available yet for this article.
February 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29342020/editorial-spring-board-gender-composition-in-high-impact-general-surgery-journals-over-20-years
#19
Chelsea A Harris, Tanima Banerjee, Monica Cramer, Shannon Manz, Sarah T Ward, Justin Dimick, Dana A Telem
OBJECTIVE: To quantify gender composition of 10 high-impact general surgery journals, delineate how board composition has changed over time, and evaluate qualification metrics by gender. BACKGROUND: Underrepresentation of women on editorial boards may contribute to the gender-based achievement gap in surgery. METHODS: We performed a cross-sectional analysis of the editorial board gender composition among 10 high-impact general surgery journals in 1997, 2007, and 2017...
January 16, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29342008/the-r2c2-model-in-residency-education-how-does-it-foster-coaching-and-promote-feedback-use
#20
Joan Sargeant, Jocelyn M Lockyer, Karen Mann, Heather Armson, Andrew Warren, Marygrace Zetkulic, Sophie Soklaridis, Karen D Könings, Kathryn Ross, Ivan Silver, Eric Holmboe, Cindy Shearer, Michelle Boudreau
PURPOSE: The authors previously developed and tested a reflective model for facilitating performance feedback for practice improvement, the R2C2 model. It consists of four phases: relationship building, exploring reactions, exploring content, and coaching. This research studied the use and effectiveness of the model across different residency programs and the factors that influenced its effectiveness and use. METHOD: From July 2014-October 2016, case study methodology was used to study R2C2 model use and the influence of context on use within and across five cases...
January 16, 2018: Academic Medicine: Journal of the Association of American Medical Colleges
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