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https://www.readbyqxmd.com/read/28641321/identifying-and-acting-on-potentially-inappropriate-care-inadequacy-of-current-hospital-coding-for-this-task
#1
P David Cooper, David R Smart
INTRODUCTION: Recent Australian attempts to facilitate disinvestment in healthcare, by identifying instances of 'inappropriate' care from large Government datasets, are subject to significant methodological flaws. Amongst other criticisms has been the fact that the Government datasets utilized for this purpose correlate poorly with datasets collected by relevant professional bodies. Government data derive from official hospital coding, collected retrospectively by clerical personnel, whilst professional body data derive from unit-specific databases, collected contemporaneously with care by clinical personnel...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641070/elmo-proteins-transduce-g-protein-coupled-receptor-signal-to-control-reorganization-of-actin-cytoskeleton-in-chemotaxis-of-eukaryotic-cells
#2
Xuehua Xu, Tian Jin
Chemotaxis, which is chemoattractant-guided directional cell migration, plays major roles in recruitment of neutrophils, the metastasis of cancer cells, and the development of the model organism Dictyostelium discoideum. These cells share remarkable similarities in the signaling pathways by which they control chemotaxis. They all use a G protein-coupled receptor (GPCR)-mediated signal transduction pathway to sense the chemotactic gradient to guide cell migration. Diverse chemokines activate Rac through conserved GPCR signaling pathways...
June 22, 2017: Small GTPases
https://www.readbyqxmd.com/read/28641057/child-anthropometry-data-quality-from-demographic-and-health-surveys-multiple-indicator-cluster-surveys-and-national-nutrition-surveys-in-the-west-central-africa-region-are-we-comparing-apples-and-oranges
#3
Daniel J Corsi, Jessica M Perkins, S V Subramanian
BACKGROUND: There has been limited work comparing survey characteristics and assessing the quality of child anthropometric data from population-based surveys. OBJECTIVE: To investigate survey characteristics and indicators of quality of anthropometric data in children aged 0-59 months from 23 countries in the West Central Africa region. METHODS: Using established methodologies and criteria to examine child age, sex, height, and weight, we conducted a comprehensive assessment and scoring of the quality of anthropometric data collected in 100 national surveys...
2017: Global Health Action
https://www.readbyqxmd.com/read/28640844/the-g8-screening-tool-enhances-prognostic-value-to-ecog-performance-status-in-elderly-cancer-patients-a-retrospective-single-institutional-study
#4
Masahiro Takahashi, Masanobu Takahashi, Keigo Komine, Hideharu Yamada, Yuki Kasahara, Sonoko Chikamatsu, Akira Okita, Shukuei Ito, Kota Ouchi, Yoshinari Okada, Hiroo Imai, Ken Saijo, Hidekazu Shirota, Shin Takahashi, Takahiro Mori, Hideki Shimodaira, Chikashi Ishioka
BACKGROUND: Some elderly cancer patients, even with good Eastern Cooperative Oncology Group performance status (ECOG-PS), have poor survival outcomes and cannot tolerate standard therapy. Few studies have detailed the associations between the G8 screening tool, ECOG-PS, and overall survival (OS) in such patients. METHODS: Cancer patients, aged 70 years or older, were assessed for G8 and classified into three groups according to their G8 score: <11 as the low score group, 11-14 as the intermediate score group, and >14 as the high score group...
2017: PloS One
https://www.readbyqxmd.com/read/28640839/assessment-of-recall-error-in-self-reported-food-consumption-histories-among-adults-particularly-delay-of-interviews-decrease-completeness-of-food-histories-germany-2013
#5
Maximilian Gertler, Irina Czogiel, Klaus Stark, Hendrik Wilking
INTRODUCTION: Poor recall during investigations of foodborne outbreaks may lead to misclassifications in exposure ascertainment. We conducted a simulation study to assess the frequency and determinants of recall errors. METHODS: Lunch visitors in a cafeteria using exclusively cashless payment reported their consumption of 13 food servings available daily in the three preceding weeks using a self-administered paper-questionnaire. We validated this information using electronic payment information...
2017: PloS One
https://www.readbyqxmd.com/read/28640830/optimal-sequencing-strategies-for-identifying-disease-associated-singletons
#6
Sara Rashkin, Goo Jun, Sai Chen, Goncalo R Abecasis
With the increasing focus of genetic association on the identification of trait-associated rare variants through sequencing, it is important to identify the most cost-effective sequencing strategies for these studies. Deep sequencing will accurately detect and genotype the most rare variants per individual, but may limit sample size. Low pass sequencing will miss some variants in each individual but has been shown to provide a cost-effective alternative for studies of common variants. Here, we investigate the impact of sequencing depth on studies of rare variants, focusing on singletons-the variants that are sampled in a single individual and are hardest to detect at low sequencing depths...
June 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28640818/ankylosing-spondylitis-patients-at-risk-of-poor-radiographic-outcome-show-diminishing-spinal-radiographic-progression-during-long-term-treatment-with-tnf-%C3%AE-inhibitors
#7
Fiona Maas, Suzanne Arends, Freke R Wink, Reinhard Bos, Hendrika Bootsma, Elisabeth Brouwer, Anneke Spoorenberg
OBJECTIVE: To investigate the influence of patient characteristics on the course of spinal radiographic progression in a large prospective longitudinal cohort study of ankylosing spondylitis (AS) patients treated long-term with TNF-α inhibitors. METHODS: Consecutive patients from the Groningen Leeuwarden AS (GLAS) cohort starting TNF-α inhibitors with spinal radiographs at least available at baseline and 6 years of follow-up were included. Radiographs were scored using mSASSS by two independent readers...
2017: PloS One
https://www.readbyqxmd.com/read/28640778/a-cohort-study-of-blunt-cerebrovascular-injury-screening-in-children-are-they-just-little-adults
#8
Mackenzie R Cook, Cordelie E Witt, Robert H Bonow, Eileen M Bulger, Ken F Linnau, Saman Arbabi, Bryce R H Robinson, Joseph Cuschieri
BACKGROUND: Blunt cerebrovascular injuries (BCVI) are rare with nonspecific predictors, making optimal screening critical. Radiation concerns magnify these issues in children. The Eastern Association for the Surgery of Trauma (EAST) criteria, the Utah score (US) and the Denver criteria (DC) have been advocated for pediatric BCVI screening, though direct comparison is lacking. We hypothesized that current screening guidelines inaccurately identify pediatric BCVI. METHODS: This was a retrospective cohort study of pediatric trauma patients treated from 2005-2015 with radiographically confirmed BCVI...
June 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28640693/evaluation-of-screening-us-detected-breast-masses-by-combined-use-of-elastography-and-color-doppler-us-with-b-mode-us-in-women-with-dense-breasts-a-multicenter-prospective-study
#9
Su Hyun Lee, Jin Chung, Hye Young Choi, Seon Hyeong Choi, Eun Bi Ryu, Kyung Hee Ko, Hye Ryoung Koo, Jeong Seon Park, Ann Yi, Ji Hyun Youk, Eun Ju Son, A Jung Chu, Jung Min Chang, Nariya Cho, Myoung-Jin Jang, Shin Ho Kook, Eun Suk Cha, Woo Kyung Moon
Purpose To investigate the value of the combined use of elastography and color Doppler ultrasonography (US) with B-mode US for evaluation of screening US-detected breast masses in women with dense breasts. Materials and Methods This prospective, multicenter study included asymptomatic women with dense breasts who were referred for screening US between November 2013 and December 2014. Eligible women had a newly detected breast mass at conventional B-mode US screening, for which elastography and color Doppler US were performed...
June 21, 2017: Radiology
https://www.readbyqxmd.com/read/28637293/conserved-non-exonic-elements-a-novel-class-of-marker-for-phylogenomics
#10
Scott V Edwards, Alison Cloutier, Allan J Baker
Noncoding markers have a particular appeal as tools for phylogenomic analysis because, at least in vertebrates, they appear less subject to strong variation in GC content among lineages. Thus far, ultraconserved elements (UCEs) and introns have been the most widely used noncoding markers. Here we analyze and study the evolutionary properties of a new type of noncoding marker, conserved non-exonic elements (CNEEs), which consists of noncoding elements that are estimated to evolve slower than the neutral rate across a set of species...
June 16, 2017: Systematic Biology
https://www.readbyqxmd.com/read/28636915/probing-the-structural-dynamics-of-the-nmda-receptor-activation-by-coarse-grained-modeling
#11
Wenjun Zheng, Han Wen, Gary J Iacobucci, Gabriela K Popescu
N-Methyl-D-aspartate (NMDA) receptors are glutamate-gated excitatory channels that play essential roles in brain functions. High-resolution structures have been solved for an allosterically inhibited and agonist-bound form of a functional NMDA receptor; however, other key functional states (particularly the active open-channel state) were only resolved at moderate resolutions by cryo-electron microscopy (cryo-EM). To decrypt the mechanism of the NMDA receptor activation, structural modeling is essential to provide presently missing information about structural dynamics...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28636651/yield-of-yearly-routine-physical-examination-in-hiv-1-infected-patients-is-limited-a-retrospective-cohort-study-in-the-netherlands
#12
Marleen A van Amsterdam, Sander van Assen, Herman G Sprenger, Kasper R Wilting, Ymkje Stienstra, Wouter F W Bierman
BACKGROUND: Routine physical examinations might be of value in HIV-infected patients, but the yield is unknown. We determined the diagnoses that would have been missed without performing annual routine physical examinations in HIV-infected patients with stable disease. METHODS: Data were collected from the medical records of 299 HIV-1-infected patients with CD4 count >350 cells/mm3 if not using combination antiretroviral therapy (cART), or CD4 count >100 cells/mm3 and undetectable viral load if using cART...
2017: PloS One
https://www.readbyqxmd.com/read/28636608/the-construct-of-sexual-openness-for-females-in-steady-intimate-relationships
#13
Diana Rausch, Arne Dekker, Martin Rettenberger
The analysis of open-minded attitudes towards sexuality in general requires a construct based on attitudinal dimensions. Although several existing studies involve sexual attitudes, they differ substantially and standardized conceptual work is missing. Thus, the authors introduce the latent variable sexual openness to develop a construct based on self-oriented attitudes towards different sexual topics. Available survey data of female German students in a steady relationship allowed providing a first empirical test for the applicability of this construct...
2017: PloS One
https://www.readbyqxmd.com/read/28636590/host-and-viral-traits-predict-zoonotic-spillover-from-mammals
#14
Kevin J Olival, Parviez R Hosseini, Carlos Zambrana-Torrelio, Noam Ross, Tiffany L Bogich, Peter Daszak
The majority of human emerging infectious diseases are zoonotic, with viruses that originate in wild mammals of particular concern (for example, HIV, Ebola and SARS). Understanding patterns of viral diversity in wildlife and determinants of successful cross-species transmission, or spillover, are therefore key goals for pandemic surveillance programs. However, few analytical tools exist to identify which host species are likely to harbour the next human virus, or which viruses can cross species boundaries. Here we conduct a comprehensive analysis of mammalian host-virus relationships and show that both the total number of viruses that infect a given species and the proportion likely to be zoonotic are predictable...
June 21, 2017: Nature
https://www.readbyqxmd.com/read/28636072/using-chief-complaint-in-addition-to-diagnosis-codes-to-identify-falls-in-the-emergency-department
#15
Brian W Patterson, Maureen A Smith, Michael D Repplinger, Michael S Pulia, James E Svenson, Michael K Kim, Manish N Shah
OBJECTIVES: To compare incidence of falls in an emergency department (ED) cohort using a traditional International Classification of Diseases, Ninth Revision (ICD-9) code-based scheme and an expanded definition that included chief complaint information and to examine the clinical characteristics of visits "missed" in the ICD-9-based scheme. DESIGN: Retrospective electronic record review. SETTING: Academic medical center ED. PARTICIPANTS: Individuals aged 65 and older seen in the ED between January 1, 2013, and September 30, 2015...
June 21, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28635678/evaluation-of-classifier-performance-for-multiclass-phenotype-discrimination-in-untargeted-metabolomics
#16
Patrick J Trainor, Andrew P DeFilippis, Shesh N Rai
Statistical classification is a critical component of utilizing metabolomics data for examining the molecular determinants of phenotypes. Despite this, a comprehensive and rigorous evaluation of the accuracy of classification techniques for phenotype discrimination given metabolomics data has not been conducted. We conducted such an evaluation using both simulated and real metabolomics datasets, comparing Partial Least Squares-Discriminant Analysis (PLS-DA), Sparse PLS-DA, Random Forests, Support Vector Machines (SVM), Artificial Neural Network, k-Nearest Neighbors (k-NN), and Naïve Bayes classification techniques for discrimination...
June 21, 2017: Metabolites
https://www.readbyqxmd.com/read/28635619/on-the-importance-of-accurate-quantification-of-individual-volatile-metabolites-in-exhaled-breath
#17
David Smith, Patrik Spanel
It is argued that shortcomings of certain approaches to breath analysis research based on superficial interpretation of non-quantitative data are inadvertently inhibiting the progression of non-invasive breath analysis into clinical practice. The objective of this perspective is to suggest more clinically profitable approaches to breath research. Thus, following a discourse on the challenges and expectations in breath research, a brief indication is given of the analytical techniques currently used for the analysis of very humid exhaled breath...
June 21, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28635568/additional-value-of-magnetic-resonance-targeted-biopsies-to-standard-transrectal-ultrasound-guided-biopsies-for-detection-of-clinically-significant-prostate-cancer
#18
Catrin von Below, Cecilia Wassberg, Mona Norberg, Anna Tolf, Joel Kullberg, Sam Ladjevardi, Michael Häggman, Anna Bill Axelson, Håkan Ahlström
OBJECTIVE: The aim of this study was to evaluate the additional value of magnetic resonance imaging-targeted biopsy (MRI-TB) to standard transrectal ultrasound-guided biopsy (SB) for detection of clinically significant prostate cancer (PCa). An additional aim was to compare the biopsy results to MRI evaluation using a Likert scale. MATERIALS AND METHODS: Patients with newly diagnosed localized PCa (n = 53) by clinical routine SB were prospectively included. The majority of the patients were scheduled for curative therapy before enrollment...
February 24, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28635549/a-missed-primary-care-appointment-correlates-with-a-subsequent-emergency-department-visit-among-children-with-asthma
#19
Colleen Marie McGovern, Margaret Redmond, Kimberly Arcoleo, David R Stukus
OBJECTIVE: Since the Affordable Care Act's implementation, emergency department (ED) visits have increased. Poor asthma control increases the risk of acute exacerbations and preventable ED visits. The Centers for Medicare and Medicaid Services support the reduction of preventable ED visits to reduce healthcare spending. Implementation of interventions to avoid preventable ED visits has become a priority for many healthcare systems yet little data exist examining children's missed asthma management primary care (PC) appointments and subsequent ED visits...
March 2, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28635528/clinical-social-and-ethical-issues-associated-with-non-invasive-prenatal-testing-for-aneuploidy
#20
Blanche Griffin, Samantha Edwards, Lyn S Chitty, Celine Lewis
Non-invasive prenatal testing (NIPT), based on analysis of cell-free foetal DNA, is rapidly becoming a preferred method to screen for chromosomal aneuploidy with the technology now available in over 90 countries. This review provides an up-to-date discussion of the key clinical, social and ethical implications associated with this revolutionary technology. Stakeholders are positive about a test that is highly accurate, safe, can be perfomed early in pregnancy, identifies affected pregnancies that might otherwise have been missed and reduces the need for invasive testing...
February 9, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
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