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https://www.readbyqxmd.com/read/28099689/effectiveness-and-safety-of-procalcitonin-evaluation-for-reducing-mortality-in-adults-with-sepsis-severe-sepsis-or-septic-shock
#1
REVIEW
Brenda Ng Andriolo, Regis B Andriolo, Reinaldo Salomão, Álvaro N Atallah
BACKGROUND: Serum procalcitonin (PCT) evaluation has been proposed for early diagnosis and accurate staging and to guide decisions regarding patients with sepsis, severe sepsis and septic shock, with possible reduction in mortality. OBJECTIVES: To assess the effectiveness and safety of serum PCT evaluation for reducing mortality and duration of antimicrobial therapy in adults with sepsis, severe sepsis or septic shock. SEARCH METHODS: We searched the Central Register of Controlled Trials (CENTRAL; 2015, Issue 7); MEDLINE (1950 to July 2015); Embase (Ovid SP, 1980 to July 2015); Latin American Caribbean Health Sciences Literature (LILACS via BIREME, 1982 to July 2015); and the Cumulative Index to Nursing and Allied Health Literature (CINAHL; EBSCO host, 1982 to July 2015), and trial registers (ISRCTN registry, ClinicalTrials...
January 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28098342/the-evolution-of-rgs-proteins-as-drug-targets-20%C3%A2-years-in-the-making-iuphar-review-x
#2
REVIEW
B Sjögren
Regulators of G protein signaling (RGS) proteins are celebrating the 20(th) anniversary of their discovery. The unveiling of this new family of negative regulators of G protein signaling in the mid-1990's solved a persistent conundrum in the G protein signaling field, in which the rate of deactivation of signaling cascades in vivo could not be replicated in exogenous systems. Since then, there has been tremendous advancement in the knowledge of RGS protein structure, function, regulation and their role as novel drug targets...
January 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28097887/pseudokinases-update-on-their-functions-and-evaluation-as-new-drug-targets
#3
Dominic P Byrne, Daniel M Foulkes, Patrick A Eyers
The pseudokinase complement of the human kinase superfamily consists of approximately 60 signaling proteins, which lacks one or more of the amino acids typically required to correctly align ATP and metal ions, and phosphorylate protein substrates. Recent studies in the pseudokinase field have begun to expose the biological relevance of pseudokinases, which are now thought to perform a diverse range of physiological roles and are connected to a multitude of human diseases, including cancer. In this review, we discuss how and why members of the 'pseudokinome' represent important new targets for drug discovery, and describe how knowledge of protein structure and function provides informative clues to help guide the rational chemical design or repurposing of inhibitors to target pseudokinases...
January 18, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28095040/consensus-statement-by-the-american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-on-the-comprehensive-type-2-diabetes-management-algorithm-2017-executive-summary
#4
Alan J Garber, Martin J Abrahamson, Joshua I Barzilay, Lawrence Blonde, Zachary T Bloomgarden, Michael A Bush, Samuel Dagogo-Jack, Ralph A DeFronzo, Daniel Einhorn, Vivian A Fonseca, Jeffrey R Garber, W Timothy Garvey, George Grunberger, Yehuda Handelsman, Irl B Hirsch, Paul S Jellinger, Janet B McGill, Jeffrey I Mechanick, Paul D Rosenblit, Guillermo E Umpierrez
EXECUTIVE SUMMARY This algorithm for the comprehensive management of persons with type 2 diabetes (T2D) was developed to provide clinicians with a practical guide that considers the whole patient, their spectrum of risks and complications, and evidence-based approaches to treatment. It is now clear that the progressive pancreatic beta-cell defect that drives the deterioration of metabolic control over time begins early and may be present before the diagnosis of diabetes (1). In addition to advocating glycemic control to reduce microvascular complications, this document highlights obesity and prediabetes as underlying risk factors for the development of T2D and associated macrovascular complications...
January 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28094908/improving-utilization-of-the-family-history-in-the-electronic-health-record
#5
Kathleen T Hickey, Maria C Katapodi, Bernice Coleman, Karin Reuter-Rice, Angela R Starkweather
PURPOSE: The purpose of this article is to provide an overview of Family History in the Electronic Health Record and to identify opportunities to advance the contributions of nurses in obtaining, updating and assessing family history in order to improve the health of all individuals and populations. ORGANIZING CONSTRUCT: The article presents an overview of the obstacles to charting Family History within the Electronic Health Record and recommendations for using specific Family History tools and core Family History data sets...
January 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28094080/respectful-modeling-addressing-uncertainty-in-dynamic-system-models-for-molecular-biology
#6
REVIEW
Areti Tsigkinopoulou, Syed Murtuza Baker, Rainer Breitling
Although there is still some skepticism in the biological community regarding the value and significance of quantitative computational modeling, important steps are continually being taken to enhance its accessibility and predictive power. We view these developments as essential components of an emerging 'respectful modeling' framework which has two key aims: (i) respecting the models themselves and facilitating the reproduction and update of modeling results by other scientists, and (ii) respecting the predictions of the models and rigorously quantifying the confidence associated with the modeling results...
January 13, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28090513/an-update-and-review-of-cell-based-wound-dressings-and-their-integration-into-clinical-practice
#7
REVIEW
Austin Pourmoussa, Daniel J Gardner, Maxwell B Johnson, Alex K Wong
Chronic wounds affect over 4 million individuals and pose a significant burden to the US healthcare system. Diabetes, venous stasis, radiation or paralysis are common risk factors for chronic wounds. Unfortunately, the current standard of care (SOC) has a high relapse rate and these wounds continue to adversely affect patients' quality of life. Fortunately, advances in tissue engineering have allowed for the development of cell-based wound dressings that promote wound healing by improving cell migration and differentiation...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28079758/concussion-in-ice-hockey-current-gaps-and-future-directions-in-an-objective-diagnosis
#8
Aynsley M Smith, Michael J Stuart, William O Roberts, David W Dodick, Jonathan T Finnoff, Janelle K Jorgensen, David A Krause
OBJECTIVE: This review provides an update on sport-related concussion (SRC) in ice hockey and makes a case for changes in clinical concussion evaluation. Standard practice should require that concussions be objectively diagnosed and provide quantitative measures of the concussion injury that will serve as a platform for future evidence-based treatment. METHODS: The literature was surveyed to address several concussion-related topics: research in ice hockey-related head trauma, current subjective diagnosis, promising components of an objective diagnosis, and current and potential treatments...
January 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28068064/versatile-functionalization-of-polysaccharides-via-polymer-grafts-from-design-to-biomedical-applications
#9
Yang Hu, Yang Li, Fu-Jian Xu
Because of their biocompatibility, biodegradability, and unique bioactive properties, polysaccharides have been recognized and directly applied as excellent candidates for various biomedical applications. In order to introduce more functionalities onto polysaccharides, various modification methods were applied to improve the physical-chemical and biochemical properties. Grafting polysaccharides with functional polymers with limited reaction sites maximizes the structural integrity. To the best of our knowledge, great efforts have been made by scientists across the world, including our research group, to explore different strategies for the synthesis and design of controllable polymer-grafted polysaccharides...
January 9, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28066917/balancing-exploration-and-exploitation-in-population-based-sampling-improves-fragment-based-de-novo-protein-structure-prediction
#10
David Simoncini, Thomas Schiex, Kam Y J Zhang
Conformational search space exploration remains a major bottleneck for protein structure prediction methods. Population-based meta-heuristics typically enable the possibility to control the search dynamics and to tune the balance between local energy minimization and search space exploration. EdaFold is a fragment-based approach that can guide search by periodically updating the probability distribution over the fragment libraries used during model assembly. We implement the EdaFold algorithm as a Rosetta protocol and provide two different probability update policies: a cluster-based variation (EdaRosec ) and an energy-based one (EdaRoseen ) We analyze the search dynamics of our new Rosetta protocols and show that EdaRosec EdaRosec is able to provide predictions with lower Cα RMSD to the native structure than EdaRoseen and Rosetta AbInitio Relax protocol...
January 9, 2017: Proteins
https://www.readbyqxmd.com/read/28065411/ki67-assessment-in-breast-cancer-an-update
#11
Frederique Penault-Llorca, Nina Radosevic-Robin
Although immunohistochemical detection of the Ki67 antigen has been used for many years to assess cancer proliferation, this marker is still not recommended for routine use in clinical management of breast cancer. The major reason for this situation is a lack of a standardised procedure for Ki67 assessment as well as persistence of several issues of debate with regards to the Ki67 assay interpretation and the marker's clinical utility. Nowadays Ki67 assessment is principally used for estimation of prognosis and guiding the decision on adjuvant treatment choice, as well as for prediction of response to neoadjuvant treatment in ER+/HER2- breast cancer...
January 5, 2017: Pathology
https://www.readbyqxmd.com/read/28063207/lithiumeter-version-2-0
#12
Gin S Malhi, Samuel Gershon, Tim Outhred
BACKGROUND: The Lithiumeter was developed as a visual and practical guide for determining lithium levels in the management of bipolar disorder (BD). It appears to have been well received, as evidenced by its increasing popularity amongst doctors as a deskside clinical aide, and adoption and reproduction of the schematic in clinical guidelines and texts. However, since its publication 5 years ago, key basic neuroscience and clinical research developments pertaining to lithium have significantly advanced our understanding, necessitating further refinement of guidance concerning the practicalities of lithium therapy...
December 2016: Bipolar Disorders
https://www.readbyqxmd.com/read/28062391/personal-health-records-a-systematic-literature-review
#13
REVIEW
Alex Roehrs, Cristiano André da Costa, Rodrigo da Rosa Righi, Kleinner Silva Farias de Oliveira
BACKGROUND: Information and communication technology (ICT) has transformed the health care field worldwide. One of the main drivers of this change is the electronic health record (EHR). However, there are still open issues and challenges because the EHR usually reflects the partial view of a health care provider without the ability for patients to control or interact with their data. Furthermore, with the growth of mobile and ubiquitous computing, the number of records regarding personal health is increasing exponentially...
January 6, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28056636/the-price-of-information-increased-inspection-costs-reduce-the-confirmation-bias-in-visual-search
#14
Jason Rajsic, Daryl E Wilson, Jay Pratt
In visual search, there is a confirmation bias such that attention is biased towards stimuli that match a target template, which has been attributed to covert costs of updating the templates that guide search (Rajsic, Wilson, & Pratt, 2015). In order to provide direct evidence for this speculation, the present study increased the cost of inspections in search by using gaze- and mouse-contingent searches, which restrict the manner in which information in search displays can be accrued, and incur additional motor costs (in the case of mouse-contingent searches)...
January 5, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28056249/-from-traditional-population-based-approach-to-individualized-precision-medicine-the-interpretation-of-update-on-the-ajcc-colorectal-cancer-staging-system-eighth-edition
#15
H W Yao, H W Wu, Y H Liu
The eighth edition of cancer staging system published by AJCC will be implemented all over the world in January 1, 2018. In addition to strengthening the traditional TNM staging system, the introduction of new molecular markers, is a major advance in the eighth edition, and is expected to play a more valuable role in the"individualized" clinical practice. The most important update in the eighth edition of AJCC colorectal cancer staging system is"non-anatomic" prognostic and predictive evaluation system based on the molecular detection...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28055824/excitation-and-inhibition-in-anterior-cingulate-predict-use-of-past-experiences
#16
Jacqueline Scholl, Nils Kolling, Natalie Nelissen, Charlotte J Stagg, Catherine J Harmer, Matthew Fs Rushworth
Dorsal anterior cingulate cortex (dACC) mediates updating and maintenance of cognitive models of the world used to drive adaptive reward-guided behavior. We investigated the neurochemical underpinnings of this process. We used magnetic resonance spectroscopy in humans, to measure levels of glutamate and GABA in dACC. We examined their relationship to neural signals in dACC, measured with fMRI, and cognitive task performance. Both inhibitory and excitatory neurotransmitters in dACC were predictive of the strength of neural signals in dACC and behavioral adaptation...
January 5, 2017: ELife
https://www.readbyqxmd.com/read/28055239/the-evolving-role-of-pathology-in-new-developments-classification-terminology-and-diagnosis-of-pancreatobiliary-neoplasms
#17
Michelle D Reid, Melinda M Lewis, Field F Willingham, Volkan Adsay
Pancreatobiliary tract lesions are increasingly being discovered because of more sensitive imaging modalities. Magnetic resonance imaging has identified incidental pancreatic cysts in 13.5% of patients of progressively increasing age. Pancreatobiliary tissue is more accessible through endoscopic ultrasound and magnetic resonance imaging-guided biopsy procedures, and is now an integral part of pathologists' routine practice. Accordingly, several new tumor categories have been recently recognized, including intraductal tubulopapillary neoplasm, a new addition to tumoral intraepithelial neoplasms...
January 5, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28048885/mo-d-brb-03-quality-assurance-of-sbrt
#18
J Roper
: Increased use of SBRT and hypofractionation in radiation oncology practice has posted a number of challenges to medical physicist, ranging from planning, image-guided patient setup and on-treatment monitoring, to quality assurance (QA) and dose delivery. This symposium is designed to provide current knowledge necessary for the safe and efficient implementation of SBRT in various linac platforms, including the emerging digital linacs equipped with high dose rate FFF beams. Issues related to 4D CT, PET and MRI simulations, 3D/4D CBCT guided patient setup, real-time image guidance during SBRT dose delivery using gated/un-gated VMAT/IMRT, and technical advancements in QA of SBRT (in particular, strategies dealing with high dose rate FFF beams) will be addressed...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048715/tu-d-207a-03-quantitative-assessment-of-ct-systems-with-iterative-image-reconstruction-algorithms
#19
K Li
: In recent several years, motivated by the need to reduce radiation doses in CT exams, all of the major CT manufacturers have commercialized different iterative image reconstruction techniques and these innovative techniques were used in clinical routines with increasing popularity. However, due to the intrinsic nonlinearity of these new techniques, the well accepted quantitative image quality assessment metrics such as spatial resolution and contrast to noise ratio are not sufficient to provide the needed quantitative metrics for assessing image quality and for guiding the CT scan protocol optimization...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048617/su-f-t-342-dosimetric-constraint-prediction-guided-automatic-mulit-objective-optimization-for-intensity-modulated-radiotherapy
#20
T Song, Y Li, L Zhou
PURPOSE: For intensity modulated radiotherapy, the plan optimization is time consuming with difficulties of selecting objectives and constraints, and their relative weights. A fast and automatic multi-objective optimization algorithm with abilities to predict optimal constraints and manager their trade-offs can help to solve this problem. Our purpose is to develop such a framework and algorithm for a general inverse planning. METHODS: There are three main components contained in this proposed multi-objective optimization framework: prediction of initial dosimetric constraints, further adjustment of constraints and plan optimization...
June 2016: Medical Physics
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