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https://www.readbyqxmd.com/read/28346095/identification-by-high-throughput-screening-of-pseudomonas-acyl-coenzyme-a-synthetase-inhibitors
#1
Lorenzo Turcano, Daniela Visaggio, Emanuela Frangipani, Antonino Missineo, Matteo Andreini, Sergio Altamura, Paolo Visca, Alberto Bresciani
Pseudomonas infections are common among hospitalized, immunocompromised, and chronic lung disease patients. These infections are recalcitrant to common antibacterial therapies due to inherent antibiotic resistance. To meet the need of new anti- Pseudomonas drugs, a sensitive, homogenous, and robust assay was developed with the aim of identifying inhibitors of acyl-coenzyme A synthetases (ACSs) from Pseudomonas. Given the importance of fatty acids for in vivo nutrition of Pseudomonas, such inhibitors might have the potential to reduce the bacterial fitness during infection...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28344664/current-understanding-and-approach-to-well-differentiated-lung-neuroendocrine-tumors-an-update-on-classification-and-management
#2
REVIEW
Talal Hilal
Neuroendocrine tumors (NETs) are rare neoplasms that can arise from any tissue. They are classified based on embryonic gut derivative (i.e. foregut, midgut and hindgut) with midgut tumors being the most common (e.g. gastrointestinal NET). The second most common category of NETs is that which arises from the lung. In fact, 25% of primary lung cancers are NETs, including small cell lung cancer (SCLC), which comprises 20% of all lung cancers. The remaining 5% are large cell neuroendocrine cancer (LCNEC, 3%), typical carcinoids (TCs, 1...
March 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28343130/computational-study-of-ibuprofen-removal-from-water-by-adsorption-in-realistic-activated-carbons
#3
Daniel Bahamon, Leticia Carro, Sonia Guri, Lourdes F Vega
Molecular simulations using the Grand Canonical Monte Carlo (GCMC) method have been performed in order to obtain physical insights on how the interaction between ibuprofen (IBP) and activated carbons (ACs) in aqueous mixtures affects IBP removal from water by ACs. A nanoporous carbon model based on units of polyaromatic molecules with different number of rings, defects and polar-oxygenated sites is described. Individual effects of factors such as porous features and chemical heterogeneities in the adsorbents are investigated and quantified...
March 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28342713/a-laboratory-score-at-presentation-to-rule-out-serious-cardiac-outcomes-or-death-in-patients-presenting-with-symptoms-suggestive-of-acute-coronary-syndrome
#4
Peter A Kavsak, Colleen Shortt, Jinhui Ma, Natasha Clayton, Jonathan Sherbino, Stephen A Hill, Matthew McQueen, Shamir R Mehta, P J Devereaux, Andrew Worster
BACKGROUND: We evaluated whether a low high-sensitivity cardiac troponin (hs-cTn) cutoff combined with glucose, red cell distribution width (RDW), and the estimated glomerular filtration rate (eGFR) can be used to rule-out a serious cardiac outcome or death in patients presenting with symptoms suggestive of acute coronary syndrome (ACS). METHODS: This was a prospective observational emergency department (ED) study enrolling consecutive patients presenting with symptoms suggestive of ACS (ClinicalTrials...
March 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28342097/a-systematic-review-of-propensity-score-methods-in-the-acute-care-surgery-literature-avoiding-the-pitfalls-and-proposing-a-set-of-reporting-guidelines
#5
T L Zakrison, P C Austin, V A McCredie
BACKGROUND: Propensity score methods are techniques commonly employed in observational research to account for confounding when estimating the effects of treatments and exposures. These methods have been increasingly employed in the acute care surgery literature in an attempt to infer causality; however, the adequacy of reporting and the appropriateness of statistical analyses when using propensity score matching remain unclear. OBJECTIVES: The goal of this systematic review is to assess the adequacy of reporting of propensity score methods, with an emphasis on propensity score matching (to assess balance and the use of appropriate statistical tests), in acute care surgery (ACS) studies and to provide suggestions for improvement for junior investigators...
March 24, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28342028/disparities-in-knee-and-hip-arthroplasty-outcomes-an-observational-analysis-of-the-acs-nsqip-clinical-registry
#6
Peter Cram, Gillian Hawker, John Matelski, Bheeshma Ravi, Andrew Pugely, Rajiv Gandhi, Timothy Jackson
BACKGROUND: Disparities in total joint arthroplasty (TJA) have largely been studied in single center studies and using administrative data. Our objective was to investigate differences in TJA outcomes in white men, black men, white women, and black women using a large international registry. METHODS: We used 2010-2013 data from the ACS-NSQIP to identify four groups of adults (white men, black men, white women, black women) who underwent primary total knee arthroplasty (TKA) or total hip arthroplasty (THA)...
March 24, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28341558/biomethane-the-energy-storage-platform-chemical-and-greenhouse-gas-mitigation-target
#7
Zoltán Bagi, Norbert Ács, Tamás Böjti, Balázs Kakuk, Gábor Rákhely, Orsolya Strang, Márk Szuhaj, Roland Wirth, Kornél L Kovács
Results in three areas of anaerobic microbiology in which methane formation and utilization plays central part are reviewed. a.) Bio-methane formation by reduction of carbon dioxide in the power-to-gas process and the various possibilities of improvement of the process is a very intensively studied topic recently. From the numerous potential methods of exploiting methane of biological origin two aspects are discussed in detail. b.) Methane can serve as a platform chemical in various chemical and biochemical synthetic processes...
March 21, 2017: Anaerobe
https://www.readbyqxmd.com/read/28341359/prognostic-value-of-the-clinical-syntax-score-on-2-year-outcomes-in-patients-with-acute-coronary-syndrome-who-underwent-percutaneous-coronary-intervention
#8
Chen He, Ying Song, Chuang-Shi Wang, Yi Yao, Xiao-Fang Tang, Xue-Yan Zhao, Run-Lin Gao, Yue-Jin Yang, Bo Xu, Jin-Qing Yuan
This prospective, single-center, observational study evaluated prognostic value of clinical SYNTAX score (CSS) on 2-year outcomes in patients with acute coronary syndrome (ACS) who underwent percutaneous coronary intervention (PCI). The SYNTAX score (SS) is a scoring system based on the complexity and severity of coronary lesions and is thought to be a prognostic tool to predict long-term outcomes. However, SS was a sole angiographic grading tool only with no consideration for clinical factors. There are few studies investigating the prognostic value of CSS in patients with ACS who underwent PCI...
March 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28341306/high-frequency-qrs-analysis-in-the-evaluation-of-chest-pain-in-the-emergency-department
#9
Ori Galante, Guy Amit, Yair Granot, Linda R Davrath, Shimon Abboud, Doron Zahger
OBJECTIVES: High frequency QRS (HFQRS) analysis has been shown to be an accurate marker for myocardial ischemia. Our objective was to test the use of HFQRS in diagnosing ACS in the emergency department. METHODS: 324 patients presenting to the ED with chest pain were enrolled. Resting ECG was recorded and later analyzed by an HFQRS algorithm. Results were compared to the conventional ECG diagnosis by 3 independent interpretations: treating physician, expert cardiologist and an automated computer program...
February 20, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28338281/cardiovascular-safety-of-vildagliptin-in-patients-with-type-2-diabetes-a-european-multi-database-non-interventional-post-authorization-safety-study
#10
R Williams, F de Vries, W Kothny, C Serban, S Lopez-Leon, C Chu, R Schlienger
This non-interventional, multi-database, analytical cohort study assessed the cardiovascular (CV) safety of vildagliptin vs. other non-insulin antidiabetic drugs (NIADs) using real-world data from five European electronic healthcare databases. Patients with type 2 diabetes aged ≥18 years on NIAD treatment were enrolled. Adjusted incidence rate ratios (IRRs) and 95% confidence intervals (95% CIs) for the outcomes of interest (myocardial infarction [MI], acute coronary syndrome [ACS], stroke, congestive heart failure [CHF], individually and as a composite) were estimated using negative binomial regression...
March 24, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28337385/comparison-of-ticagrelor-and-high-dose-clopidogrel-on-the-platelet-functions-in-patients-with-inadequate-response-to-clopidogrel
#11
Xinshun Gu, Xianghua Fu, Yanbo Wang, Wenhui Zhang, Weize Fan, Yunfa Jiang, Guozhen Hao, Qing Miao, Yi Li, Wei Zhi
OBJECTIVE: To evaluate the effects of ticagrelor and high-dose clopidogrel on the platelet functions in patients with inadequate response to clopidogrel. METHODS: In this prospective, randomized and controlled study, patients who had been diagnosed as acute coronary syndrome (ACS) with inadequate response to clopidogrel in the Second Hospital of Hebei Medical University from July 2015 to June 2016 were enrolled. Inadequate response to clopidogrel was defined as absolute reduction of platelet aggregation rate (PAR) <30% or PAR >70%...
2017: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/28336405/photoactivation-mechanism-of-a-bacterial-light-regulated-adenylyl-cyclase
#12
Robert Lindner, Elisabeth Hartmann, Miroslaw Tarnawski, Andreas Winkler, Daniel Frey, Jochen Reinstein, Anton Meinhart, Ilme Schlichting
Light-regulated enzymes enable organisms to quickly respond to changing light conditions. We characterize a photoactivatable adenylyl cyclase from Beggiatoa sp. (bPAC) that translates a blue light signal into production of the second messenger cyclic AMP. bPAC contains a BLUF photoreceptor domain that senses blue light using a flavin chromophore, linked to an adenylyl cyclase (AC) domain. We present a dark state crystal structure of bPAC that closely resembles the recently published structure of the homologous OaPAC from Oscillatoria acuminata...
March 20, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28335787/risk-factors-of-atherosclerotic-tissue-types-in-single-vessel-and-intermediate-coronary-lesions-a-cross-sectional-study
#13
Xianjin Wang, Qun Chen, Yu Xu, Yanqing Wang, Yang Yang, Ming Gu, Haihua Xu, Yanfang Zhao
BACKGROUND: Few data exist that correlate lesion-related risk factors such as conventional cardiovascular risks or lipoprotein-associated phospholipase A2 (Lp-PLA2) with tissue types within atherosclerotic plaques in patients with single-vessel and intermediate coronary lesions. METHODS: One hundred and ninety-two patients with single-vessel and intermediate coronary lesions were enrolled in a cross-sectional study and divided into two groups: stable angina pectoris (SAP) and acute coronary syndrome (ACS) groups...
March 23, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28335443/pharmacokinetic-and-pharmacodynamic-responses-to-clopidogrel-evidences-and-perspectives
#14
REVIEW
Yan-Jiao Zhang, Mu-Peng Li, Jie Tang, Xiao-Ping Chen
Clopidogrel has significantly reduced the incidence of recurrent atherothrombotic events in patients with acute coronary syndrome (ACS) and in those undergoing percutaneous coronary intervention (PCI). However, recurrence events still remain, which may be partly due to inadequate platelet inhibition by standard clopidogrel therapy. Genetic polymorphisms involved in clopidogrel's absorption, metabolism, and the P2Y12 receptor may interfere with its antiplatelet activity. Recent evidence indicated that epigenetic modification may also affect clopidogrel response...
March 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28334436/impact-of-neoadjuvant-chemoradiation-on-perioperative-outcomes-in-patients-with-rectal-cancer
#15
Brandon C Chapman, Patrick Hosokawa, William Henderson, Alessandro Paniccia, Douglas M Overbey, Wells Messersmith, Christopher Lieu, Greg V Stiegmann, Richard D Schulick, Csaba Gajdos
BACKGROUND AND OBJECTIVES: Neoadjuvant chemoradiation for rectal cancer is associated with lower local recurrence rates. The objective of this study is to assess the impact of neoadjuvant therapy on perioperative complications in patients with rectal cancer. METHODS: Using the ACS-NSQIP database (2005-2012), a propensity score was used to match 3592 patients with rectal cancer receiving neoadjuvant therapy to 3592 patients undergoing surgery alone. The association between neoadjuvant chemoradiation and perioperative outcomes was evaluated...
March 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28333054/removal-of-organic-phosphorus-and-formaldehyde-in-glyphosate-wastewater-by-cwo-and-the-lime-catalyzed-formose-reaction
#16
Bo Xing, Honglin Chen, Xiaoming Zhang
Glyphosate (PMG) wastewater with 40-600 mg/L organic phosphorus (OP) and 1-4% CH2O was treated by catalytic wet oxidation (CWO) and the lime-catalyzed formose reaction to remove total phosphorus (TP) and improve biodegradability. Activated carbons (ACs) modified by H2O2 oxidation and thermal treatment with melamine were used as CWO catalysts and characterized by N2 adsorption/desorption and XPS. The CWO experiments were performed in an autoclave reactor at 110-130 °C and 1.0 MPa. The modified AC showed higher catalytic activity than the parent AC due to the introduction of nitrogen-containing functional groups, exhibited over 90% OP removal for various real PMG wastewaters, and had good stability for 20 consecutive CWO runs...
March 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28332926/efficient-degradation-of-organic-phosphorus-in-glyphosate-wastewater-by-catalytic-wet-oxidation-using-modified-activated-carbon-as-a-catalyst
#17
Bo Xing, Honglin Chen, Xiaoming Zhang
Glyphosate (PMG) wastewater, which is an organic phosphorus (OP) wastewater containing 200-3000 mg/L glyphosate, was treated via catalytic wet oxidation (CWO) to degrade glyphosate to orthophosphate (PO4(3-)). The catalysts were activated carbons (ACs) modified by H2O2 oxidation and thermal treatment with ammonia or melamine. The catalysts were characterized using N2 adsorption/desorption, Boehm titration, and XPS. The CWO experiments were performed in a co-current upflow fixed bed reactor at 110-130 °C and under 1...
March 23, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28331988/point-of-care-testing-of-cardiac-autonomic-function-for-risk-assessment-in-patients-with-suspected-acute-coronary-syndromes
#18
C Eick, M Duckheim, P Groga-Bada, N Klumpp, S Mannes, C S Zuern, M Gawaz, K D Rizas, Axel Bauer
BACKGROUND: Impaired cardiac autonomic function has been linked to adverse outcomes in patients with acute coronary syndromes (ACS) but is not included in clinical risk models. This is the first study to investigate whether point-of-care testing of cardiac autonomic function by means of short-term deceleration capacity (DC) of heart rate improves risk assessment in patients with suspected ACS. METHODS: 1821 patients with suspected ACS were prospectively enrolled if they were older than 17 years and in sinus rhythm...
March 22, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28330440/prevalence-and-predictors-of-intra-abdominal-hypertension-and-compartment-syndrome-in-surgical-patients-in-critical-care-units-at-kenyatta-national-hospital
#19
A Muturi, P Ndaguatha, Daniel Ojuka, A Kibet
BACKGROUND: Intra-abdominal hypertension (IAH) affects almost every organ sytem.If it is not detected early and corrected, mortality would be high. The prevalence of IAH and abdominal compartment syndrome (ACS) at Kenyatta National Hospital (KNH) critical care units is not known. The aim of this sudy was to determine the prevalence and factors associated with development of IAH/ACS among critically ill surgical patients. METHODS: This was a cross sectional descriptive study involving surgical patients in critical care units at KNH, carried out from March 2015 to October 2015...
March 23, 2017: BMC Emergency Medicine
https://www.readbyqxmd.com/read/28329389/radial-versus-femoral-access-in-patients-with-acute-coronary-syndromes-with-or-without-st-segment-elevation-a-pre-specified-analysis-from-the-randomized-minimizing-adverse-haemorrhagic-events-by-transradial-access-site-and-systemic-implementation-of-angiox
#20
Pascal Vranckx, Enrico Frigoli, Martina Rothenbühler, Francesco Tomassini, Stefano Garducci, Giuseppe Andò, Andrea Picchi, Paolo Sganzerla, Anita Paggi, Fabrizio Ugo, Arturo Ausiello, Gennaro Sardella, Nicoletta Franco, Marco Nazzaro, Nicoletta de Cesare, Paolo Tosi, Camillo Falcone, Carlo Vigna, Pietro Mazzarotto, Emilio Di Lorenzo, Claudio Moretti, Gianluca Campo, Carlo Penzo, Giampaolo Pasquetto, Dik Heg, Peter Jüni, Stephan Windecker, Marco Valgimigli
Aims: To assess whether radial compared with femoral access is associated with consistent outcomes in patients with ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation acute coronary syndrome (NSTE-ACS). Methods and results: In the Minimizing Adverse Haemorrhagic Events by TRansradial Access Site and Systemic Implementation of angioX (MATRIX) programme patients were randomized to radial or femoral access, stratified by STEMI (2001 radial, 2009 femoral) and NSTE-ACS (2196 radial, 2198 femoral)...
February 28, 2017: European Heart Journal
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