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https://www.readbyqxmd.com/read/28290273/from-the-ebm-pyramid-to-the-greek-temple-a-new-conceptual-approach-to-guidelines-as-implementation-tools-in-mental-health
#1
L Salvador-Carulla, S Lukersmith, W Sullivan
Guideline methods to develop recommendations dedicate most effort around organising discovery and corroboration knowledge following the evidence-based medicine (EBM) framework. Guidelines typically use a single dimension of information, and generally discard contextual evidence and formal expert knowledge and consumer's experiences in the process. In recognition of the limitations of guidelines in complex cases, complex interventions and systems research, there has been significant effort to develop new tools, guides, resources and structures to use alongside EBM methods of guideline development...
April 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28265654/annals-graphic-medicine-something-strange
#2
Lucia Briatore, Ilaria Pozzi
No abstract text is available yet for this article.
March 7, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28241736/bbcanalyzer-a-visual-approach-to-facilitate-variant-calling
#3
Sarah Sandmann, Aniek O de Graaf, Martin Dugas
BACKGROUND: Deriving valid variant calling results from raw next-generation sequencing data is a particularly challenging task, especially with respect to clinical diagnostics and personalized medicine. However, when using classic variant calling software, the user usually obtains nothing more than a list of variants that pass the corresponding caller's internal filters. Any expected mutations (e.g. hotspot mutations), that have not been called by the software, need to be investigated manually...
February 28, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28224243/simultaneous-quantitation-of-endogenous-estrone-17%C3%AE-estradiol-and-estriol-in-human-serum-by-isotope-dilution-liquid-chromatography-tandem-mass-spectrometry-for-clinical-laboratory-applications
#4
Qiaoxuan Zhang, Liqiao Han, Jianbing Wang, Haibiao Lin, Peifeng Ke, Junhua Zhuang, Xianzhang Huang
Estrogen measurements are important in the assessment of female reproductive function and have expanding roles in other fields. A simple, accurate, highly sensitive and specific isotope-dilution liquid chromatography-tandem mass spectrometry method was developed and evaluated to simultaneously measure three endogenous estrogens in serum: estrone (E1), 17β-estradiol (E2), and estriol (E3). Chromatographic separation was achieved on a C18 column before electrospray ionization triple-quadrupole mass spectrometry in multiple reaction monitoring mode...
February 21, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28198568/compressed-sensing-mri-reconstruction-from-3d-multichannel-data-using-gpus
#5
Ching-Hua Chang, Xiangdong Yu, Jim X Ji
PURPOSE: To accelerate iterative reconstructions of compressed sensing (CS) MRI from 3D multichannel data using graphics processing units (GPUs). METHODS: The sparsity of MRI signals and parallel array receivers can reduce the data acquisition requirements. However, iterative CS reconstructions from data acquired using an array system may take a significantly long time, especially for a large number of parallel channels. This paper presents an efficient method for CS-MRI reconstruction from 3D multichannel data using GPUs...
February 15, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28188353/direct-and-model-free-detection-of-carbohydrate-excipients-in-traditional-chinese-medicine-formula-granules-by-atr-ftir-microspectroscopic-imaging
#6
Jianbo Chen, Suqin Sun, Qun Zhou
A formula granule is a traditional Chinese medicine preparation made from the decoction of a single herbal medicinal. Because of the flexibility for combination and the convenience for utilization, formula granules are becoming popular in clinical applications. However, the efficacy and safety of commercial formula granules often suffer from the improper addition of carbohydrate excipients. Therefore, the detection of carbohydrate excipients is indispensable for the quality control of formula granules. FTIR spectroscopy has been used for the detection of carbohydrate excipients in formula granules...
February 10, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28187896/hydra-a-web-based-system-for-cardiovascular-analysis-diagnosis-and-treatment
#7
J Novo, A Hermida, M Ortega, N Barreira, M G Penedo, J E López, C Calvo
BACKGROUND AND OBJECTIVE: Cardiovascular (CV) risk stratification is a highly complex process involving an extensive set of clinical trials to support the clinical decision-making process. There are many clinical conditions (e.g. diabetes, obesity, stress, etc.) that can lead to the early diagnosis or establishment of cardiovascular disease. In order to determine all these clinical conditions, a complete set of clinical patient analyses is typically performed, including a physical examination, blood analysis, electrocardiogram, blood pressure (BP) analysis, etc...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28182577/expressing-analytical-performance-from-multi-sample-evaluation-in-laboratory-eqa
#8
Marc H M Thelen, Rob T P Jansen, Cas W Weykamp, Herman Steigstra, Ron Meijer, Christa M Cobbaert
BACKGROUND: To provide its participants with an external quality assessment system (EQAS) that can be used to check trueness, the Dutch EQAS organizer, Organization for Quality Assessment of Laboratory Diagnostics (SKML), has innovated its general chemistry scheme over the last decade by introducing fresh frozen commutable samples whose values were assigned by Joint Committee for Traceability in Laboratory Medicine (JCTLM)-listed reference laboratories using reference methods where possible...
February 9, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28181015/a-density-functional-theory-investigation-of-the-interaction-of-the-tetraaqua-calcium-cation-with-bidentate-carbonyl-ligands
#9
Daniel Garcez S Quattrociocchi, Marcos Vinicius Monsores Meuser, Glaucio Braga Ferreira, José Walkimar de M Carneiro, Stanislav R Stoyanov, Leonardo Moreira da Costa
Calcium complexes with bidentate carbonyl ligands are important in biological systems, medicine and industry, where the concentration of Ca(2+) is controlled using chelating ligands. The exchange of two water molecules of [Ca(H2O)6](2+) for one bidentate monosubstituted and homo disubstituted dicarbonyl ligand was investigated using the B3LYP/6-311++G(d,p) method. The ligand substituents NH2, OCH3, OH, CH3, H, F, Cl, CN and NO2 are functional groups with distinct electron-donating and -withdrawing effects that bond directly to the sp(2) C atom of the carbonyl group...
February 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28166551/annals-graphic-medicine-a-pill-person
#10
Satyajeet Roy
No abstract text is available yet for this article.
February 7, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28132437/graph-based-optimization-of-epitope-coverage-for-vaccine-antigen-design
#11
James Theiler, Bette Korber
Epigraph is a recently developed algorithm that enables the computationally efficient design of single or multi-antigen vaccines to maximize the potential epitope coverage for a diverse pathogen population. Potential epitopes are defined as short contiguous stretches of proteins, comparable in length to T-cell epitopes. This optimal coverage problem can be formulated in terms of a directed graph, with candidate antigens represented as paths that traverse this graph. Epigraph protein sequences can also be used as the basis for designing peptides for experimental evaluation of immune responses in natural infections to highly variable proteins...
January 29, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28126414/recent-progress-in-the-discovery-of-natural-inhibitors-against-human-carboxylesterases
#12
REVIEW
Dan-Dan Wang, Li-Wei Zou, Qiang Jin, Jie Hou, Guang-Bo Ge, Ling Yang
Mammalian carboxylesterases (CEs) are important serine hydrolases catalyzing the hydrolysis of ester- or amide-containing compounds into the corresponding alcohols and carboxylic acids. In human, two primary carboxylesterases including hCE1 and hCE2 have been identified and extensively studied in the past decade. hCE1 is known to play crucial roles in the metabolism of a wide variety of endogenous esters, clinical drugs and insecticides, while hCE2 plays a key role in the metabolic activation of anticancer agents including irinotecan and capecitabine...
March 2017: Fitoterapia
https://www.readbyqxmd.com/read/28125057/biomarker-guided-non-adaptive-trial-designs-in-phase-ii-and-phase-iii-a-methodological-review
#13
REVIEW
Miranta Antoniou, Ruwanthi Kolamunnage-Dona, Andrea L Jorgensen
Biomarker-guided treatment is a rapidly developing area of medicine, where treatment choice is personalised according to one or more of an individual's biomarker measurements. A number of biomarker-guided trial designs have been proposed in the past decade, including both adaptive and non-adaptive trial designs which test the effectiveness of a biomarker-guided approach to treatment with the aim of improving patient health. A better understanding of them is needed as challenges occur both in terms of trial design and analysis...
January 25, 2017: Journal of Personalized Medicine
https://www.readbyqxmd.com/read/28119762/synthesis-spectroscopic-dielectric-molecular-docking-and-dft-studies-of-3e-3-4-methylbenzylidene-3-4-dihydro-2h-chromen-2-one-an-anticancer-agent
#14
T Beena, L Sudha, A Nataraj, V Balachandran, D Kannan, M N Ponnuswamy
BACKGROUND: Coumarin (2H-chromen-2-one) and its derivatives have a wide range of biological and pharmaceutical activities. They possess antitumor, anti-HIV, anticoagulant, antimicrobial, antioxidant, and anti-inflammatory activities. Synthesis and isolation of coumarins from different species have attracted the attention of medicinal chemists. Herein, we report the synthesis, molecular structure, dielectric, anticancer activity and docking studies with the potential target protein tankyrase...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28116008/who-to-interview-low-adherence-by-u-s-medical-schools-to-medical-student-performance-evaluation-format-makes-resident-selection-difficult
#15
Megan Boysen-Osborn, Justin Yanuck, James Mattson, Shannon Toohey, Alisa Wray, Warren Wiechmann, Shadi Lahham, Mark I Langdorf
INTRODUCTION: The Medical Student Performance Evaluation (MSPE) appendices provide a program director with comparative performance for a student's academic and professional attributes, but they are frequently absent or incomplete. METHODS: We reviewed MSPEs from applicants to our emergency medicine residency program from 134 of 136 (99%) U.S. allopathic medical schools, over two application cycles (2012-13, 2014-15). We determined the degree of compliance with each of the five recommended MSPE appendices...
January 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28101128/simultaneous-determination-of-newly-developed-antiviral-agents-in-pharmaceutical-formulations-by-hplc-dad
#16
Nourah Zoman Al-Zoman, Hadir Mohamed Maher, Amal Al-Subaie
BACKGROUND: Ombitasvir/paritaprevir/ritonavir/dasabuvir (Viekira Pak(®)) are the newest medicines approved for use in the treatment of hepatitis C virus (HCV) and are available in tablet form as an oral combination. Specifically, these agents are indicated in the treatment of HCV in patients with genotype 1 infection. Due to the therapeutic importance and increased use of Viekira Pak, proper methods for its determination in bulk and pharmaceutical formulations must be developed. RESULTS: The present study describes the development and validation of a simple, rapid, selective and economical reverse phase high performance liquid chromatography-diode array detection (HPLC-DAD) method for the simultaneous determination of paritaprevir (PAR), ombitasvir (OMB), dasabuvir(DAS) and ritonavir (RIT) in bulk and pharmaceutical preparations...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28091784/recognition-of-d-penicillamine-using-schiff-base-centered-fluorescent-organic-nanoparticles-and-application-to-medicine-analysis
#17
Prasad G Mahajan, Govind B Kolekar, Shivajirao R Patil
Schiff base centered fluorescent organic compound 1,1'-[(1E,2E)-hydrazine-1,2-diylidenedi(E)methylylidene]- dinaphthalen-2-ol (HN) was synthesized followed by spectral characterization viz., NMR, IR and Mass spectroscopy. The fluorescent nanoparticles of HN prepared using reprecipitation method shows red shifted aggregation induced enhanced emission (AIEE) with respect to HN solution in acetone. The average particle size of nanoparticles (HNNPs) is of 67.2 nm shows sphere shape morphology. The surfactant cetyltrimethyl ammonium bromide (CTAB) used to stabilize HNNPs induces positive charge surface with zeta potential of 11...
January 14, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28091714/comparison-of-potential-higher-order-reference-methods-for-total-haemoglobin-quantification-an-interlaboratory-study
#18
Claudia Frank, Christine Brauckmann, Marie Palos, Cristian G Arsene, Joerg Neukammer, Maria Estela Del Castillo Busto, Sabine Zakel, Claudia Swart, Bernd Güttler, Rainer Stosch
The total haemoglobin (Hb) concentration in blood is one of the most frequently measured analytes in clinical medicine because of its significance for evaluating the health state of a human. The spectrophotometric cyanmethaemoglobin (HiCN) method is the internationally accepted conventional reference method to determine this biomarker. It is frequently used in clinical routine diagnostics but is not traceable to the International System of Units and thus does not meet highest metrological demands. A further critical issue is the toxicity of the necessary potassium cyanide...
January 14, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28076183/markov-influence-diagrams
#19
Francisco J Díez, Mar Yebra, Iñigo Bermejo, Miguel A Palacios-Alonso, Manuel Arias Calleja, Manuel Luque, Jorge Pérez-Martín
Markov influence diagrams (MIDs) are a new type of probabilistic graphical model that extends influence diagrams in the same way that Markov decision trees extend decision trees. They have been designed to build state-transition models, mainly in medicine, and perform cost-effectiveness analyses. Using a causal graph that may contain several variables per cycle, MIDs can model various patient characteristics without multiplying the number of states; in particular, they can represent the history of the patient without using tunnel states...
February 2017: Medical Decision Making: An International Journal of the Society for Medical Decision Making
https://www.readbyqxmd.com/read/28048357/su-f-r-05-multidimensional-imaging-radiomics-geodesics-a-novel-manifold-learning-based-automatic-feature-extraction-method-for-diagnostic-prediction-in-multiparametric-imaging
#20
V Parekh, M A Jacobs
PURPOSE: Multiparametric radiological imaging is used for diagnosis in patients. Potentially extracting useful features specific to a patient's pathology would be crucial step towards personalized medicine and assessing treatment options. In order to automatically extract features directly from multiparametric radiological imaging datasets, we developed an advanced unsupervised machine learning algorithm called the multidimensional imaging radiomics-geodesics(MIRaGe). METHODS: Seventy-six breast tumor patients underwent 3T MRI breast imaging were used for this study...
June 2016: Medical Physics
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