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https://www.readbyqxmd.com/read/28738655/risk-of-false-decision-on-conformity-of-a-multicomponent-material-when-test-results-of-the-components-content-are-correlated
#1
Ilya Kuselman, Francesca R Pennecchi, Ricardo J N B da Silva, D Brynn Hibbert
The probability of a false decision on conformity of a multicomponent material due to measurement uncertainty is discussed when test results are correlated. Specification limits of the components' content of such a material generate a multivariate specification interval/domain. When true values of components' content and corresponding test results are modelled by multivariate distributions (e.g. by multivariate normal distributions), a total global risk of a false decision on the material conformity can be evaluated based on calculation of integrals of their joint probability density function...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738527/evaluation-of-heavy-metal-mobilization-in-creek-sediment-influence-of-rac-values-and-ambient-environmental-factors
#2
Guannan Liang, Bo Zhang, Mao Lin, Simiao Wu, Hao Hou, Jia Zhang, Guangren Qian, Xin Huang, Jizhi Zhou
The risk assessment code (RAC) is a common method for assessing heavy metal (HM) mobility and their potential health risks, based on HM total concentration and chemical speciation. In this study, both the RAC and the influence of ambient environmental factors were investigated in a river sediment system. Sixty-eight sediment samples were collected from the main river system in Shanghai, China. The total concentration and chemical speciation of Cu, Zn, Ni, Pb, Cd, Cr, As, and Hg were determined in the samples...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28738479/-risk-of-bias-assessment-1-overview
#3
Z R Yang, F Sun, S Y Zhan
This paper reviews the concept of risk of bias, followed by demonstrating why assessment of risk of bias in systematic reviews should be different from that of quality of evidence, methodological quality, reporting quality, precision, and external validity. We also discuss the recent development of tools for risk of bias assessment, the problems with the tools themselves, and the challenges in using these tools. This review may help systematic reviewers understand risk of bias assessment and the use of assessment tools...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738443/urethral-injection-therapy-for-urinary-incontinence-in-women
#4
REVIEW
Vivienne Kirchin, Tobias Page, Phil E Keegan, Kofi Om Atiemo, June D Cody, Samuel McClinton, Patricia Aluko
BACKGROUND: Urinary incontinence imposes a significant health and economic burden to society. Periurethral or transurethral injection of bulking agents is a minimally invasive surgical procedure used as one the surgical treatments of stress urinary incontinence (SUI) in adult women. OBJECTIVES: To assess the effects of periurethral or transurethral injection therapy on the cure or improvement of urinary incontinence in women. SEARCH METHODS: We searched the Cochrane Incontinence Group Specialised Trials Register (searched 8 November 2010) and the reference lists of relevant articles...
July 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28738388/updated-friedman-staging-system-for-obstructive-sleep-apnea
#5
Michael Friedman, Anna M Salapatas, Lauren B Bonzelaar
In the practice of sleep medicine, the first step is identification of those patients at high risk for sleep apnea. Nearly every physician and every hospital has preferred methods of screening. Many patient questionnaires or surveys as well as some objective physical measurements have been suggested to predict the presence of sleep apnea. Screening is well established, and laboratory and home testing are widely available. An early assessment with a physical examination can help direct treatment planning. The Friedman tongue position, lingual tonsil hypertrophy grading, and the effects of oral positioning on the hypopharynx should be used in early assessment for treatment planning, and as screening tools to assess the sight of obstruction...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28738364/risk-factors-for-community-acquired-pneumonia-in-adults-a-systematic-review-of-observational-studies
#6
Jordi Almirall, Mateu Serra-Prat, Ignasi Bolíbar, Valentina Balasso
We performed a systematic review of the literature to establish conclusive evidence of risk factors for community-acquired pneumonia (CAP). Observational studies (cross-sectional, case-control, and cohort studies) the primary outcome of which was to assess risk factors for CAP in both hospitalized and ambulatory adult patients with radiologically confirmed pneumonia were selected. The Newcastle-Ottawa Scale specific for cohort and case-control designs was used for quality assessment. Twenty-nine studies (20 case-control, 8 cohort, and 1 cross-sectional) were selected, with 44...
July 25, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28738363/mild-cognitive-impairment-and-driving-cessation-a-3-year-longitudinal-study
#7
Michael H Connors, David Ames, Michael Woodward, Henry Brodaty
BACKGROUND/AIMS: Driving cessation is associated with significant morbidity in older people. People with mild cognitive impairment (MCI) may be at particular risk of this. Very little research has examined driving in this population. Given this, we sought to identify predictors of driving cessation in people with MCI. METHODS: One hundred and eighty-five people with MCI were recruited from 9 memory clinics around Australia. People with MCI and their carers reported their driving status and completed measures of cognition, function, neuropsychiatric symptoms, and medication use at regular intervals over a 3-year period...
July 22, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28738341/unmet-care-needs-in-the-oldest-old-primary-care-patients-with-cognitive-disorders-results-of-the-agecode-and-agequalide-study
#8
Janine Stein, Alexander Pabst, Tobias Luck, Dagmar Lühmann, Kathrin Heser, Frank Jessen, Horst Bickel, Edelgard Mösch, Michael Pentzek, Angela Fuchs, Birgitt Wiese, Silke Mamone, Hans-Helmut König, Christian Brettschneider, Jochen Werle, Martin Scherer, Wolfgang Maier, Siegfried Weyerer, Steffi G Riedel-Heller
BACKGROUND: In the future, an increase in health care needs in the elderly is expected. Reports on unmet care needs of the oldest old with cognitive disorders are pending. This study aims at exploring unmet needs in the oldest old primary care patients with mild cognitive impairment (MCI) and dementia. Furthermore, the association between sociodemographic and clinical factors and unmet needs ought to be analyzed. METHODS: Based on the study "Needs, Health Service Use, Costs and Health-Related Quality of Life in a Large Sample of Oldest-Old Primary Care Patients (85+)" (AgeQualiDe), 749 patients (unimpaired, MCI, and dementia) aged 85 years and older, their relatives (n = 421), and general practitioners (GPs) (n = 607) were assessed...
July 25, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28738332/neuroprogression-and-immune-activation-in-major-depressive-disorder
#9
Jeffrey H Meyer
Traditionally, the neurobiology of major depressive disorder (MDD) has been largely considered from the perspective of the state of major depressive episodes (MDE) versus being in remission, but the current accumulation of disease markers, largely acquired cross-sectionally, is strongly suggestive of neuroprogressive aspects of MDD. This chapter focuses on the changes in disease markers involved in the reorganization of the nervous system in MDD, including the translocator protein (TSPO; an index of microglial activation), glial fibrillary acidic protein (GFAP; an index of astroglial activation), [11C]harmine (a marker of monoamine oxidase A; MAO-A), and several other indices (metabotropic glutamate receptor 5 [mGluR5], excitatory amino acid transporters, and magnetic resonance imaging spectroscopy measurements) of glutamate dysregulation...
2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738325/a-proposal-of-the-european-association-for-the-study-of-obesity-to-improve-the-icd-11-diagnostic-criteria-for-obesity-based-on-the-three-dimensions-etiology-degree-of-adiposity-and-health-risk
#10
Johannes Hebebrand, Jens-Christian Holm, Euan Woodward, Jennifer Lyn Baker, Ellen Blaak, Dominique Durrer Schutz, Nathalie J Farpour-Lambert, Gema Frühbeck, Jason G C Halford, Lauren Lissner, Dragan Micic, Dana Mullerova, Gabriela Roman, Karin Schindler, Hermann Toplak, Tommy L S Visscher, Volkan Yumuk
Diagnostic criteria for complex medical conditions caused by a multitude of both genetic and environmental factors should be descriptive and avoid any attribution of causality. Furthermore, the wording used to describe a disorder should be evidence-based and avoid stigmatization of the affected individuals. Both terminology and categorizations should be readily comprehensible for healthcare professionals and guide clinical decision making. Uncertainties with respect to diagnostic issues and their implications may be addressed to direct future clinical research...
July 22, 2017: Obesity Facts
https://www.readbyqxmd.com/read/28738287/perceived-stress-and-poly-tobacco-product-use-across-adolescence-patterns-of-association-and-gender-differences
#11
Adam M Leventhal, Robert Urman, Jessica L Barrington-Trimis, Nicholas I Goldenson, Katia Gallegos, Chih Ping Chou, Kejia Wang, Kiros Berhane, Tess Boley Cruz, Mary Ann Pentz, Jennifer Unger, Rob S McConnell
Perceived stress-an endophenotype indicative of the tendency to appraise stress as frequent, unpredictable and unmanageable-is associated with adolescent cigarette smoking. It is unclear whether this association: (1) extends to alternative tobacco products, like electronic cigarettes and hookah (tobacco water pipe), which are increasingly popular among youth, and (2) differs by gender. In this report, data were drawn from a population-based longitudinal cohort of youth in Southern California. Perceived stress was assessed at baseline (7th or 8th grade; 2010)...
July 14, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28738274/discovery-and-assessment-of-water-soluble-coumarins-as-inhibitors-of-the-coagulation-contact-pathway
#12
Charlotte Bouckaert, Shu Zhu, José W P Govers-Riemslag, Maxime Depoorter, Scott L Diamond, Lionel Pochet
Over the last decade, the coagulation factor XIIa (FXIIa) has seen renewed interest as a therapeutic target. Indeed, its inhibition could offer a protection against thrombosis without increasing the risk of bleeding. Moreover, it could answer the need for a safe prevention of blood-contacting medical devices-related thrombosis. Among the FXII and FXIIa inhibitors already described in literature, organic small-molecular-weight inhibitors are rather left behind. In this study, we were focused on the discovery and assessment of water soluble small molecules...
July 19, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28738262/systematic-review-of-community-health-impacts-of-mountaintop-removal-mining
#13
REVIEW
Abee L Boyles, Robyn B Blain, Johanna R Rochester, Raghavendhran Avanasi, Susan B Goldhaber, Sofie McComb, Stephanie D Holmgren, Scott A Masten, Kristina A Thayer
BACKGROUND: The objective of this evaluation is to understand the human health impacts of mountaintop removal (MTR) mining, the major method of coal mining in and around Central Appalachia. MTR mining impacts the air, water, and soil and raises concerns about potential adverse health effects in neighboring communities; exposures associated with MTR mining include particulate matter (PM), polycyclic aromatic hydrocarbons (PAHs), metals, hydrogen sulfide, and other recognized harmful substances...
July 21, 2017: Environment International
https://www.readbyqxmd.com/read/28738257/a-systematic-review-of-the-quality-of-statistical-methods-employed-for-analysing-quality-of-life-data-in-cancer-randomised-controlled-trials
#14
REVIEW
Jean-Francois Hamel, Patrick Saulnier, Madeline Pe, Efstathios Zikos, Jammbe Musoro, Corneel Coens, Andrew Bottomley
AIMS: Over the last decades, Health-related Quality of Life (HRQoL) end-points have become an important outcome of the randomised controlled trials (RCTs). HRQoL methodology in RCTs has improved following international consensus recommendations. However, no international recommendations exist concerning the statistical analysis of such data. The aim of our study was to identify and characterise the quality of the statistical methods commonly used for analysing HRQoL data in cancer RCTs...
July 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28738205/developing-and-applying-a-site-specific-multimedia-fate-model-to-address-ecological-risk-of-oxytetracycline-discharged-with-aquaculture-effluent-in-coastal-waters-off-jangheung-korea
#15
Woojung Kim, Yunho Lee, Sang Don Kim
The overuse of oxytetracycline (OTC) in aquaculture has become a problem because of its chronic toxic effects on marine ecosystems. The present study assessed the ecological risk of OTC in the coastal waters near the Jangheung Flatfish Farm using a site-specific multimedia fate model to analyze exposure. Before the model was applied, its performance was validated by comparing it with field data. The coastal waters in the testbed were sampled and analyzed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) followed by solid-phase extraction (SPE)...
July 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28738203/early-detection-monitoring-for-aquatic-non-indigenous-species-optimizing-surveillance-incorporating-advanced-technologies-and%C3%A2-identifying-research-needs
#16
REVIEW
Anett S Trebitz, Joel C Hoffman, John A Darling, Erik M Pilgrim, John R Kelly, Emily A Brown, W Lindsay Chadderton, Scott P Egan, Erin K Grey, Syed A Hashsham, Katy E Klymus, Andrew R Mahon, Jeffrey L Ram, Martin T Schultz, Carol A Stepien, James C Schardt
Following decades of ecologic and economic impacts from a growing list of nonindigenous and invasive species, government and management entities are committing to systematic early- detection monitoring (EDM). This has reinvigorated investment in the science underpinning such monitoring, as well as the need to convey that science in practical terms to those tasked with EDM implementation. Using the context of nonindigenous species in the North American Great Lakes, this article summarizes the current scientific tools and knowledge - including limitations, research needs, and likely future developments - relevant to various aspects of planning and conducting comprehensive EDM...
July 21, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28738189/surgical-landmarks-to-locating-the-main-trunk-of-the-facial-nerve-in-parotid-surgery-a-systematic-review
#17
Yisi D Ji, R Bruce Donoff, Zachary S Peacock, Eric R Carlson
PURPOSE: The purpose of this study was to describe distances from commonly used anatomic landmarks to the main trunk of the facial nerve during parotid surgery. MATERIALS AND METHODS: A systematic search of the published literature was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. All studies from January 1, 1990 to January 1, 2017 that measured distances to the main trunk of the facial nerve from common anatomic landmarks were eligible...
June 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28738161/belted-driver-fatalities-time-of-death-and-risk-by-injury-severity
#18
David C Viano, Chantal S Parenteau
PURPOSE: This study is a descriptive study of the fatality risk by injury severity and time of death for lap-shoulder belted drivers without ejection in modern vehicles. It also determined the body region for severe injuries experienced by the belted drivers using the most recent federal crash data. METHODS: 1997-2015 NASS-CDS data was evaluated for fatally-injured lap-shoulder belted drivers without ejection in light vehicles of 1997+ model year (MY). The severity of injuries sustained by the belted drivers was assessed by MAIS and individual injuries by AIS and body region...
July 24, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28738140/high-prevalence-of-subclinical-cerebral-infarction-in-patients-with-heart-failure-with-preserved-ejection-fraction
#19
Rebecca J Cogswell, Faye L Norby, Rebecca F Gottesman, Lin Y Chen, Scott Solomon, Amil Shah, Alvaro Alonso
AIMS: Undetected atrial fibrillation (AF) may be common in the heart failure with preserved ejection fraction (HFpEF) population, and failure to detect this may lead to the missing of opportunities to prevent associated subclinical cerebral infarctions (SCIs) and cognitive decline. METHODS AND RESULTS: We studied 1527 participants in the Atherosclerosis Risk in Communities (ARIC) Study, who underwent echocardiography, brain magnetic resonance imaging (MRI) and detailed cognitive assessment during 2011-13...
July 24, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28738139/association-of-history-of-dizziness-and-long-term-adverse-outcomes-with-early-vs-later-orthostatic-hypotension-assessment-times-in-middle-aged-adults
#20
Stephen P Juraschek, Natalie Daya, Andreea M Rawlings, Lawrence J Appel, Edgar R Miller, B Gwen Windham, Michael E Griswold, Gerardo Heiss, Elizabeth Selvin
Importance: Guidelines recommend assessing orthostatic hypotension (OH) 3 minutes after rising from supine to standing positions. It is not known whether measurements performed immediately after standing predict adverse events as strongly as measurements performed closer to 3 minutes. Objective: To compare early vs later OH measurements and their association with history of dizziness and longitudinal adverse outcomes. Design, Setting, and Participants: This was a prospective cohort study of middle-aged (range, 44-66 years) participants in the Atherosclerosis Risk in Communities Study (1987-1989)...
July 24, 2017: JAMA Internal Medicine
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