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https://www.readbyqxmd.com/read/28109191/serum-high-concentrations-of-homocysteine-and-low-levels-of-folic-acid-and-vitamin-b12-are-significantly-correlated-with-the-categories-of-coronary-artery-diseases
#1
Yan Ma, Duanliang Peng, Chenggui Liu, Chen Huang, Jun Luo
BACKGROUND: Homocysteine (Hcy) has been considered as an independent risk factor for coronary artery disease (CAD). Folic acid and vitamin B12 are two vital regulators in Hcy metabolic process. We evaluated the correlations between serum Hcy, folic acid and vitamin B12 with the categories of CAD. METHODS: Serum Hcy, folic acid and vitamin B12 from 292 CAD patients, including 73 acute myocardial infarction (AMI), 116 unstable angina pectoris (UAP), 103 stable angina pectoris (SAP), and 100 controls with chest pain patients were measured, and the data were analyzed by SPSS software...
January 21, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28109135/assessing-the-hydroxyl-radical-and-volatilization-roles-in-the-aquatic-fate-estimations-of-sulfur-heterocycles-dibenzothiophene-derivatives
#2
Parichehr Saranjampour, Kevin L Armbrust, Brian D Marx
Polycyclic aromatic sulfur heterocycles (PASHs) and their alkyl derivatives can be released into aquatic systems via crude oil spills or via runoff from petroleum treated areas such as asphalt. Dibenzothiophene (DBT) and its derivatives, C1-DBT, C2-DBT, and C4-DBT were chosen as model compounds to investigate the relative impact of volatilization and hydroxyl radical degradation on estimates of their overall dissipation after entry into aquatic ecosystems as a function of depth using the Exposure Analysis Modeling System (EXAMS)...
January 21, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28109054/intracoronary-optical-coherence-tomography-clinical-and-research-applications-and-intravascular-imaging-software-overview
#3
Erhan Tenekecioglu, Felipe N Albuquerque, Yohei Sotomi, Yaping Zeng, Pannipa Suwannasom, Hiroki Tateishi, Rafael Cavalcante, Yuki Ishibashi, Shimpei Nakatani, Mohammad Abdelghani, Jouke Dijkstra, Christos Bourantas, Carlos Collet, Antonios Karanasos, Maria Radu, Ancong Wang, Takashi Muramatsu, Ulf Landmesser, Takayuki Okamura, Evelyn Regar, Lorenz Räber, Giulio Guagliumi, Robert T Pyo, Yoshinobu Onuma, Patrick W Serruys
By providing valuable information about the coronary artery wall and lumen, intravascular imaging may aid in optimizing interventional procedure results and thereby could improve clinical outcomes following percutaneous coronary intervention (PCI). Intravascular optical coherence tomography (OCT) is a light-based technology with a tissue penetration of approximately 1 to 3 mm and provides near histological resolution. It has emerged as a technological breakthrough in intravascular imaging with multiple clinical and research applications...
January 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28109024/computer-assisted-technologies-used-in-oral-rehabilitation-and-the-clinical-documentation-of-alleged-advantages-a-systematic-review
#4
REVIEW
Asbjørn Jokstad
The objective of this systematic review is to identify current computer-assisted technologies used for managing patients with a need to re-establish craniofacial appearance, subjective discomfort and stomatognathic function, and the extent of their clinical documentation. Electronic search strategies were used for locating clinical studies in MEDLINE through PubMed and in the Cochrane library, and in the grey literature through searches on Google Scholar. The searches for commercial digital products for use in oral rehabilitation resulted in identifying 225 products per November 2016, used for patient diagnostics, communication and therapy purposes, and for other computer-assisted applications in context with oral rehabilitation...
January 21, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28108871/quantitative-spm-analysis-involving-an-adaptive-template-may-be-easily-applied-to-18-f-fdg-pet-images-of-the-rat-brain
#5
Sylvain Poussier, Fatiha Maskali, Gaelle Vexiau, Antoine Verger, Henri Boutley, Gilles Karcher, Emmanuel Raffo, Pierre-Yves Marie
PURPOSE: The Statistical Parametric Mapping (SPM) software is frequently used for the quantitative analysis of patients' brain images obtained from 2-deoxy-2-[(18)F]fluoro-D-glucose positron emission tomography ([(18)F]FDG PET). However, its adaptation to small animals is difficult, particularly for the initial step of spatial normalization which requires a specific brain anatomical template. This study was aimed at determining whether SPM analysis can be applied to rat, and more specifically to the lithium-pilocarpine model of epilepsy, by using an adaptive template...
January 20, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28108740/positive-expression-of-y-box-binding-protein-1-and-prognosis-in-non-small-cell-lung-cancer-a-meta-analysis
#6
Liang Jiang, Gao-Le Yuan, Qi-Lian Liang, Hui-Jie Zhang, Jie Huang, Shao-Ang Cheng, Xiao-Xia Peng
BACKGROUND: Y-box binding protein 1 (YB-1) belongs to the cold shock domain protein family involved in transcription and translation. We conducted a meta-analysis of the association between YB-1 expression and the survival and clinicopathological features in NSCLC. METHODS: PubMed and Embase were searched to identify studies that evaluated the YB-1 expression (by immunohistochemistry) and overall survival (OS) in NSCLC. Hazard ratios (HRs) and 95% confidence intervals (CI) of OS were pooled...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108657/risearch2-suffix-array-based-large-scale-prediction-of-rna-rna-interactions-and-sirna-off-targets
#7
Ferhat Alkan, Anne Wenzel, Oana Palasca, Peter Kerpedjiev, Anders Frost Rudebeck, Peter F Stadler, Ivo L Hofacker, Jan Gorodkin
Intermolecular interactions of ncRNAs are at the core of gene regulation events, and identifying the full map of these interactions bears crucial importance for ncRNA functional studies. It is known that RNA-RNA interactions are built up by complementary base pairings between interacting RNAs and high level of complementarity between two RNA sequences is a powerful predictor of such interactions. Here, we present RIsearch2, a large-scale RNA-RNA interaction prediction tool that enables quick localization of potential near-complementary RNA-RNA interactions between given query and target sequences...
January 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28108641/spinal-cord-stimulation-scs-with-anatomically-guided-3d-neural-targeting-shows-superior-chronic-axial-low-back-pain-relief-compared-to-traditional-scs-lumina-study
#8
Elias Veizi, Salim M Hayek, James North, T Brent Chafin, Thomas L Yearwood, Louis Raso, Robert Frey, Kevin Cairns, Anthony Berg, John Brendel, Nameer Haider, Matthew McCarty, Henry Vucetic, Alden Sherman, Lilly Chen, Nitzan Mekel-Bobrov
: BACKGROUND : The aim of this study was to determine whether spinal cord stimulation (SCS) using 3D neural targeting provided sustained overall and low back pain relief in a broad routine clinical practice population. STUDY DESIGN AND METHODS:  This was a multicenter, open-label observational study with an observational arm and retrospective analysis of a matched cohort. After IPG implantation, programming was done using a patient-specific, model-based algorithm to adjust for lead position (3D neural targeting) or previous generation software (traditional)...
January 20, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28108546/automatic-health-record-review-to-help-prioritize-gravely-ill-social-security-disability-applicants
#9
Kenneth Abbott, Yen-Yi Ho, Jennifer Erickson
OBJECTIVE: Every year, thousands of patients die waiting for disability benefits from the Social Security Administration. Some qualify for expedited service under the Compassionate Allowance (CAL) initiative, but CAL software focuses exclusively on information from a single form field. This paper describes the development of a supplemental process for identifying some overlooked but gravely ill applicants, through automatic annotation of health records accompanying new claims. We explore improved prioritization instead of fully autonomous claims approval...
January 20, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28108451/gwar-robust-analysis-and-meta-analysis-of-genome-wide-association-studies
#10
Niki L Dimou, Konstantinos D Tsirigos, Arne Elofsson, Pantelis G Bagos
MOTIVATION: In the context of genome-wide association studies (GWAS), there is a variety of statistical techniques in order to conduct the analysis, but, in most cases, the underlying genetic model is usually unknown. Under these circumstances, the classical Cochran-Armitage trend test is suboptimal. Robust procedures that maximize the power and preserve the nominal type I error rate are preferable. Moreover, performing a meta-analysis using robust procedures is of great interest and has never been addressed in the past...
January 20, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28108450/netland-quantitative-modeling-and-visualization-of-waddington-s-epigenetic-landscape-using-probabilistic-potential
#11
Jing Guo, Feng Lin, Xiaomeng Zhang, Vivek Tanavde, Jie Zheng
: Waddington's epigenetic landscape is a powerful metaphor for cellular dynamics driven by gene regulatory networks. Its quantitative modeling and visualization, however, remains a challenge, especially when there are more than two genes in the network. A software tool for Waddington's landscape has not been available in the literature. We present NetLand, an open-source software tool for modeling and simulating the kinetic dynamics of gene regulatory networks (GRNs), and visualizing the corresponding Waddington's epigenetic landscape in three dimensions without restriction on the number of genes in a GRN...
January 19, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28108426/membrane-surface-area-volume-ratio-in-chronic-subdural-haematomas-critical-size-and-potential-post-operative-target
#12
Appukutty Manickam, Laurence Ag Marshman, Ross Johnston
BACKGROUND: It is unknown why some chronic subdural haematomas (CSDH) grow and require surgery, whilst others spontaneously resolve. Although a relatively small CSDH volume (V) reduction may induce resolution, V% reduction is often unreliable in predicting resolution. Whilst CSDH evolve distinctive inner and outer neo- membranes (IM and OM), the OM likely dominates the dynamic growth-resorption equilibrium. If other factors remain constant, one previous hypothesis is that resorption could fail as the surface area (SA):V ratio decreases when CSDH exceed a 'critical size'...
January 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28108402/using-pharmacokinetic-modelling-to-improve-prescribing-practices-of-intravenous-aminophylline-in-childhood-asthma-exacerbations
#13
Lewis Cooney, Antonia McBride, Andrew Lilley, Ian Sinha, Trevor N Johnson, Daniel B Hawcutt
OBJECTIVE: To evaluate physiologically based pharmacokinetic modelling (PBPK) software in paediatric asthma patients using intravenous aminophylline. METHODS: Prospective clinical audit of children receiving iv aminophylline (July 2014 to June 2016), and in-silico modelling using Simcyp software. RESULTS: Thirty-eight admissions (25 children) were included. Children with aminophylline levels ≥10 mg/l had equivalent clinical outcomes compared to those <10 mg/L, and adverse effects occurred in 57%...
January 17, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28108352/commentary-on-epc-methods-an-exploration-of-the-use-of-text-mining-software-in-systematic-reviews
#14
Robin Paynter, Lionel L Bañez, Eileen Erinoff, Jennifer Matsuura, Shannon Potter
No abstract text is available yet for this article.
January 17, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28108339/transcriptome-analysis-of-the-effect-of-polyunsaturated-fatty-acids-against-vibrio-vulnificus-infection-in-oreochromis-niloticus
#15
Chieh-Yu Pan, Yu-Hao Liu, Hong-Yi Gong, Jyh-Yih Chen
Vibrio vulnificus infection causes severe economic losses in Oreochromis niloticus aquaculture by inducing pro-inflammatory cytokines, that lead to inflammation and mortality. Omega-3 fatty acids, such as Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA), have been reported for their anti-inflammatory and antibacterial abilities in murine and zebrafish models. However, the anti-inflammatory and antibacterial functions of DHA and EPA in commercial aquaculture organisms such as Oreochromis niloticus remain unknown...
January 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28108211/user-centered-design-improves-the-usability-of-drug-drug-interaction-alerts-experimental-comparison-of-interfaces
#16
Daniel R Luna, Daniel A Rizzato Lede, Carlos M Otero, Marcelo R Risk, Fernán González Bernaldo de Quirós
Clinical Decision Support Systems can alert health professionals about drug interactions when they prescribe medications. The Hospital Italiano de Buenos Aires in Argentina developed an electronic health record with drug-drug interaction alerts, using traditional software engineering techniques and requirements. Despite enhancing the drug-drug interaction knowledge database, the alert override rate of this system was very high. We redesigned the alert system using user-centered design (UCD) and participatory design techniques to enhance the drug-drug interaction alert interface...
January 17, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28108187/application-of-an-artificial-neural-network-for-evaluation-of-activity-concentration-exemption-limits-in-norm-industry
#17
Hannah Wiedner, Virginia Peyrés, Teresa Crespo, Marcos Mejuto, Eduardo García-Toraño, Franz Josef Maringer
NORM emits many different gamma energies that have to be analysed by an expert. Alternatively, artificial neural networks (ANNs) can be used. These mathematical software tools can generalize "knowledge" gained from training datasets, applying it to new problems. No expert knowledge of gamma-ray spectrometry is needed by the end-user. In this work an ANN was created that is able to decide from the raw gamma-ray spectrum if the activity concentrations in a sample are above or below the exemption limits.
December 27, 2016: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28108064/stent-and-leaflet-stresses-in-a-26-mm-first-generation-balloon-expandable-transcatheter-aortic-valve
#18
Yue Xuan, Kapil Krishnan, Jian Ye, Danny Dvir, Julius M Guccione, Liang Ge, Elaine E Tseng
OBJECTIVE: Transcatheter aortic valve replacement is established therapy for high-risk and inoperable patients with severe aortic stenosis, but questions remain regarding long-term durability. Valve design influences durability. Increased leaflet stresses in surgical bioprostheses have been correlated with degeneration; however, transcatheter valve leaflet stresses are unknown. From 2007 to 2014, a majority of US patients received first-generation balloon-expandable transcatheter valves...
December 23, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28108041/strain-elastography-as-a-new-method-for-assessing-pelvic-floor-biomechanics
#19
Jana Marie Kreutzkamp, Sebastian Daniel Schäfer, Susanne Amler, Felix Strube, Ludwig Kiesel, Ralf Schmitz
Strain elastography (SE) is a new technique of parametric imaging that allows quantification of the elasticity of tissue. The aim of our study was to determine if the elasticity of para-urethral tissue correlates with urethral mobility and urinary incontinence (UI). Ninety-nine unselected women were investigated with SE. They were given a standardized interview about UI, and SE raw data for the para-urethral tissue were acquired in a sagittal standard urethra-symphysis view while being stimulated by a coughing fit...
January 17, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28108004/nonlinear-svm-dtc-for-induction-motor-drive-using-input-output-feedback-linearization-and-high-order-sliding-mode-control
#20
Abdelkarim Ammar, Amor Bourek, Abdelhamid Benakcha
This paper presents a nonlinear Direct Torque Control (DTC) strategy with Space Vector Modulation (SVM) for an induction motor. A nonlinear input-output feedback linearization (IOFL) is implemented to achieve a decoupled torque and flux control and the SVM is employed to reduce high torque and flux ripples. Furthermore, the control scheme performance is improved by inserting a super twisting speed controller in the outer loop and a load torque observer to enhance the speed regulation. The combining of dual nonlinear strategies ensures a good dynamic and robustness against parameters variation and disturbance...
January 17, 2017: ISA Transactions
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