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https://www.readbyqxmd.com/read/29793189/effects-of-exposure-to-anti-vaping-public-service-announcements-among-current-smokers-and-dual-users-of-cigarettes-and-electronic-nicotine-delivery-systems
#1
Andy S L Tan, Vaughan W Rees, Justin Rodgers, Emeka Agudile, Natasha A Sokol, Kyeungyeun Yie, Ashley Sanders-Jackson
INTRODUCTION: Anti-vaping public service announcements (PSAs) are intended to discourage vaping or use of electronic nicotine delivery systems (ENDS). However, vaping portrayals in PSAs may have unintended effects if they increase smoking or vaping urges. This study examined benefits and unintended effects of anti-vaping PSAs with vapor portrayals on smoking and vaping-related outcomes. METHODS: Young adult smokers (N = 171) and dual users (N = 122) aged 21-30 years were randomly assigned to view: 1) anti-vaping PSAs with vapor; 2) anti-vaping PSAs without vapor; 3) physical activity PSAs; or 4) anti-smoking PSAs with smoking cues...
May 16, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29793187/stapp-spatiotemporal-analysis-of-plantar-pressure-measurements-using-statistical-parametric-mapping
#2
Brian G Booth, Noël L W Keijsers, Jan Sijbers, Toon Huysmans
BACKGROUND: Pedobarography produces large sets of plantar pressure samples that are routinely subsampled (e.g. using regions of interest) or aggregated (e.g. center of pressure trajectories, peak pressure images) in order to simplify statistical analysis and provide intuitive clinical measures. RESEARCH QUESTION: We hypothesize that these data reductions discard gait information that can be used to differentiate between groups or conditions. METHODS: To test the hypothesis of null information loss, we created an implementation of statistical parametric mapping (SPM) for dynamic plantar pressure datasets (i...
May 3, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29793183/environmental-radionuclides-as-contaminants-of-hpge-gamma-ray-spectrometers-monte-carlo-simulations-for-modane-underground-laboratory
#3
R Breier, V B Brudanin, P Loaiza, F Piquemal, P P Povinec, E Rukhadze, N Rukhadze, I Štekl
The main limitation in the high-sensitive HPGe gamma-ray spectrometry has been the detector background, even for detectors placed deep underground. Environmental radionuclides such as 40 K and decay products in the 238 U and 232 Th chains have been identified as the most important radioactive contaminants of construction parts of HPGe gamma-ray spectrometers. Monte Carlo simulations have shown that the massive inner and outer lead shields have been the main contributors to the HPGe-detector background, followed by aluminum cryostat, copper cold finger, detector holder and the lead ring with FET...
May 21, 2018: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29793176/non-ldl-dyslipidemia-is-prevalent-in-the-young-and-determined-by-lifestyle-factors-and-age-the-lifelines-cohort
#4
Jeroen K de Vries, Jan W Balder, Michelle J Pena, Petra Denig, Andries J Smit
BACKGROUND AND AIMS: Non-LDL dyslipidemia (NLD) confers cardiovascular risk, and prevalence rates appear to be high in elderly populations. Small cohorts have identified several lifestyle, anthropometric, and medical factors associated with NLD. We aimed to assess sex- and age-specific prevalence of NLD in a contemporary population cohort (n = 167 729), and to identify independent determinants of NLD, focusing on lifestyle, anthropometric, and medical factors. METHODS: The prevalence of NLD was assessed per 10-year age intervals in adults without cardiovascular disease not using lipid-modifying drugs from the Dutch LifeLines cohort...
May 21, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29793153/effects-of-mg-2-on-recovery-of-nmda-receptors-from-inhibition-by-memantine-and-ketamine-reveal-properties-of-a-second-site
#5
Nathan G Glasgow, Madeleine R Wilcox, Jon W Johnson
Memantine and ketamine are NMDA receptor (NMDAR) open channel blockers that are thought to act via similar mechanisms at NMDARs, but exhibit divergent clinical effects. Both drugs act by entering open NMDARs and binding at a site deep within the ion channel (the deep site) at which the endogenous NMDAR channel blocker Mg2+ also binds. Under physiological conditions, Mg2+ increases the IC50 s of memantine and ketamine through competition for binding at the deep site. Memantine also can inhibit NMDARs after associating with a second site accessible in the absence of agonist, a process termed second site inhibition (SSI) that is not observed with ketamine...
May 12, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29793137/3-o-sulfation-of-heparin-leads-to-hepatotropism-and-longer-circulatory-half-life
#6
Colton M Miller, Yongmei Xu, Katrina M Kudrna, Blake E Hass, Brianna M Kellar, Andrew W Egger, Jian Liu, Edward N Harris
INTRODUCTION: Heparins are common blood anticoagulants that are critical for many surgical and biomedical procedures used in modern medicine. In contrast to natural heparin derived from porcine gut mucosa, synthetic heparins are homogenous by mass, polymer length, and chemistry. MATERIALS & METHODS: Stable cell lines expressing the human and mouse Stabilin receptors were used to evaluate endocytosis of natural and synthetic heparin. We chemoenzymatically produced synthetic heparin consisting of 12 sugars (dodecamers) containing 14 sulfate groups resulting in a non-3-O sulfated structure (n12mer)...
May 17, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29793121/head-coaches-attitudes-towards-injury-prevention-and-use-of-related-methods-in-professional-basketball-a-survey
#7
J Wilke, D Niederer, L Vogt, W Banzer
OBJECTIVES: To investigate the practices and attitudes of professional basketball head coaches towards injury prevention. DESIGN: Survey. SETTING: Elite-level basketball. PARTICIPANTS: Head coaches of all 366 German professional teams. MAIN OUTCOME MEASURES: Use of injury risk screening methods, rated importance of different musculoskeletal injuries and rated effectiveness of preventive interventions...
April 17, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29793112/3d-printed-membrane-as-an-alternative-to-amniotic-membrane-for-ocular-surface-conjunctival-defect-reconstruction-an-in-vitro-in-vivo-study
#8
Shima Dehghani, Morteza Rasoulianboroujeni, Hamed Ghasemi, Saeed Heidari Keshel, Zohreh Nozarian, Mohammad Naser Hashemian, Mehran Zarei-Ghanavati, Golshan Latifi, Reza Ghaffari, Zhanfeng Cui, Hua Ye, Lobat Tayebi
BACKGROUND: The aim of this study was to evaluate the surgical handling and clinical applicability of a specific 3D-printed membrane design fabricated using a gelatin, elastin and sodium hyaluronate blend for conjunctival reconstruction and compare it with amniotic membrane (AM), which is normally used in such surgeries. METHODS: 3D printing technique was employed to fabricate the membrane based on gradient design. Prior to printing, rheometry was employed to optimize the ink composition...
May 11, 2018: Biomaterials
https://www.readbyqxmd.com/read/29793061/microstructural-imaging-of-the-human-brain-with-a-super-scanner-10-key-advantages-of-ultra-strong-gradients-for-diffusion-mri
#9
D K Jones, D C Alexander, R Bowtell, M Cercignani, F Dell'Acqua, D J McHugh, K L Miller, M Palombo, G J M Parker, U S Rudrapatna, C M W Tax
The key component of a microstructural diffusion MRI 'super-scanner' is a dedicated high-strength gradient system that enables stronger diffusion weightings per unit time compared to conventional gradient designs. This can, in turn, drastically shorten the time needed for diffusion encoding, increase the signal-to-noise ratio, and facilitate measurements at shorter diffusion times. This review, written from the perspective of the National Facility for In Vivo MR Imaging of Human Tissue Microstructure, an initiative to establish a shared 300 mT/m-gradient facility amongst the microstructural imaging community, describes ten advantages of ultra-strong gradients for microstructural imaging...
May 21, 2018: NeuroImage
https://www.readbyqxmd.com/read/29793060/a-computational-framework-for-the-detection-of-subcortical-brain-dysmaturation-in-neonatal-mri-using-3d-convolutional-neural-networks
#10
Rafael Ceschin, Alexandria Zahner, William Reynolds, Jenna Gaesser, Giulio Zuccoli, Cecilia W Lo, Vanathi Gopalakrishnan, Ashok Panigrahy
Deep neural networks are increasingly being used in both supervised learning for classification tasks and unsupervised learning to derive complex patterns from the input data. However, the successful implementation of deep neural networks using neuroimaging datasets requires adequate sample size for training and well-defined signal intensity based structural differentiation. There is a lack of effective automated diagnostic tools for the reliable detection of brain dysmaturation in the neonatal period, related to small sample size and complex undifferentiated brain structures, despite both translational research and clinical importance...
May 21, 2018: NeuroImage
https://www.readbyqxmd.com/read/29793021/phosphoinositide-3-kinase-p110%C3%AE-negatively-regulates-thrombopoietin-mediated-platelet-activation-and-thrombus-formation
#11
T A Blair, S F Moore, T G Walsh, J L Hutchinson, T N Durrant, K E Anderson, A W Poole, I Hers
Phosphoinositide 3-kinase (PI3K) plays an important role in platelet function and contributes to platelet hyperreactivity induced by elevated levels of circulating peptide hormones, including thrombopoietin (TPO). Previous work established an important role for the PI3K isoform; p110β in platelet function, however the role of p110α is still largely unexplored. Here we sought to investigate the role of p110α in TPO-mediated hyperactivity by using a conditional p110α knockout (KO) murine model in conjunction with platelet functional assays...
May 21, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29793018/image-fusion-and-3d-roadmapping-in-endovascular-surgery
#12
Douglas W Jones, Lars Stangenberg, Nicholas J Swerdlow, Matthew Alef, Ruby Lo, Fahad Shuja, Marc L Schermerhorn
Practitioners of endovascular surgery have historically utilized two-dimensional (2D) intraoperative fluoroscopic imaging, with intra-vascular contrast opacification, to treat complex three-dimensional (3D) pathology. Recently, major technical developments in intraoperative imaging have made image fusion techniques possible: the creation of a 3D patient-specific vascular roadmap based on preoperative imaging which aligns with intraoperative fluoroscopy, with many potential benefits. First, a 3D model is segmented from preoperative imaging, typically a CT scan...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29793015/right-atrial-anomalous-muscle-bundle-presenting-with-acute-superior-vena-cava-syndrome-and-pulmonary-embolism-surgical-management
#13
Jeko M Madjarov, Michael G Katz, Sophia Madjarova, Svetozar Madzharov, Frank R Arko, David W Miller, Francis Robicsek
BACKGROUND: An anomalous muscle bundle crossing the right atrial cavity represents a pathological finding with unproved clinical significance. This congenital anomaly may be difficult to recognize via echocardiography and could be confused with other intra-cavitary lesions. METHODS: We report a case of a 53-year-old female presented to the cardio-vascular service with acute superior vena cava syndrome and sub-massive pulmonary embolism. RESULTS: The patient underwent venography confirming superior vena cava stenosis...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29793014/calf-muscle-oxygen-saturation-during-six-minute-walk-test-and-its-relationship-with-walking-impairment-in-symptomatic-peripheral-artery-disease
#14
Aluísio Andrade-Lima, Gabriel G Cucato, Wagner J R Domingues, Antônio H Germano-Soares, Bruno R Cavalcante, Marilia A Correia, Glauco F Saes, Nelson Wolosker, Andrew W Gardner, Antônio E Zerati, Raphael M Ritti-Dias
OBJECTIVE: Impaired microcirculation is associated with poor walking capacity in symptomatic peripheral artery disease (PAD) patients during treadmill test, however, this test does not simulate the efforts of daily walking of these patients. Thus, the aim of the study was to describe the microcirculation responses during six-minute walk test (6MWT) and to analyze the relationship between microcirculation indicators and walking impairment in symptomatic PAD patients. METHODS: Thirty-four patients were included (mean age = 67...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29793009/evidence-on-the-measurement-properties-of-health-related-quality-of-life-instruments-is-largely-missing-in-patients-with-low-back-pain-a-systematic-review
#15
REVIEW
Alessandro Chiarotto, Caroline B Terwee, Steven J Kamper, Maarten Boers, Raymond W Ostelo
OBJECTIVE: To synthesize the measurement properties of five health-related quality of life (HRQoL) instruments [Short Form 36 (SF-36), Short Form 12 (SF-12), EuroQol 5D (EQ-5D), Nottingham Health Profile (NHP), PROMIS Global Health (PROMIS-GH-10)] in patients with low back pain (LBP). STUDY DESIGN AND SETTING: Six electronic databases (MEDLINE, EMBASE, CINAHL, PsycINFO, SportDiscus, Google Scholar) were searched (July 2017). Studies assessing any measurement property in non-specific LBP patients were included...
May 21, 2018: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/29792980/language-used-by-health-care-professionals-to-describe-dying-at-an-acute-care-hospital
#16
Kirsten Wentlandt, Philippe Toupin, Natalia Novosedlik, Lisa W Le, Camilla Zimmermann, Ebru Kaya
PURPOSE: To understand the language used to describe the deterioration and death of patients in an acute academic tertiary care centre, and to identify whether patient diagnoses or palliative care(PC) involvement was associated with clearer descriptions of this process. METHODS: We conducted a retrospective chart review of the final admission of 150 patients who died on an inpatient internal medicine unit. Conventional and summative content analysis was performed of the language used to describe, either directly or indirectly, that the patient's death was imminent...
May 21, 2018: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29792962/effect-of-casein-and-inulin-addition-on-physico-chemical-characteristics-of-low-fat-camel-dairy-cream
#17
Leila Ziaeifar, Mohsen Labbafi Mazrae Shahi, Maryam Salami, Gholam R Askari
The effect of the addition of the camel casein fraction on some physico-chemical properties of low fat camel milk cream was studied. Oil-in-water emulsions, 25, 30, and 35 (w/w) fat, were prepared using inulin, camel skim milk, milk fat and variable percentages of casein (1, 2, and 3% w/w). The droplet size, ζ-potential, surface protein concentration, viscosity and surface tension of low fat dairy creams was measured. Cream containing 2% (w/w) casein had better stability. The modifications in physico-chemical properties appeared to be driven by changes in particle size distribution caused by droplet aggregation...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792940/a-randomized-control-trial-to-determine-the-effectiveness-and-physiological-effects-of-spinal-manipulation-and-spinal-mobilization-compared-to-each-other-and-a-sham-condition-in-patients-with-chronic-low-back-pain-study-protocol-for-the-relief-study
#18
Brian C Clark, David W Russ, Masato Nakazawa, Christopher R France, Stevan Walkowski, Timothy D Law, Megan Applegate, Niladri Mahato, Samuel Lietkam, James Odenthal, Daniel Corcos, Simeon Hain, Betty Sindelar, Robert J Ploutz-Snyder, James S Thomas
BACKGROUND: Low back pain (LBP) is one of the most common reasons for seeking medical care. Manipulative therapies are a common treatment for LBP. Few studies have compared the effectiveness of different types of manipulative therapies. Moreover, the physiologic mechanisms underlying these treatments are not fully understood. Herein, we present the study protocol for The Researching the Effectiveness of Lumbar Interventions for Enhancing Function Study (The RELIEF Study). METHODS AND STUDY DESIGN: The RELIEF Study is a Phase II RCT with a nested mechanistic design...
May 21, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29792931/engineering-the-production-of-dipicolinic-acid-in-e-coli
#19
Maria K McClintock, Grant W Fahnhorst, Thomas R Hoye, Kechun Zhang
Dicarboxylic acids, such as the phthalic acids and their derivatives, are monomeric components in several important polyesters and polyamides. In most cases, these compounds are derived from fossil fuels and are not easily biodegradable. Dipicolinic acid (DPA) is a biologically derived aromatic di-acid that has a similar structure to isophthalic acid. Furthermore, DPA has been shown to make polyesters, is readily biodegradable, and is non-toxic. DPA is naturally produced by Bacillus and Clostridium species during sporulation and can comprise up to 15% of the dry weight...
May 21, 2018: Metabolic Engineering
https://www.readbyqxmd.com/read/29792907/electrocortical-reactivity-to-negative-and-positive-facial-expressions-in-individuals-with-a-family-history-of-major-depression
#20
Anna J Watters, Anthony W F Harris, Leanne M Williams
Facial expressions signaling threat and mood-congruent loss have been used to probe abnormal neural reactivity in major depressive disorder (MDD) and may be implicated in genetic vulnerability to MDD. This study investigated electro-cortical reactivity to facial expressions 101 unaffected, adult first degree relatives of probands with MDD and non-relative controls (n = 101). We investigated event-related potentials (ERPs) to five facial expressions of basic emotion: fear, anger, disgust, sadness and happiness under both subliminal (masked) and conscious (unmasked) presentation conditions, and the source localization of group differences...
May 21, 2018: Biological Psychology
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