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https://www.readbyqxmd.com/read/28650745/longer-duration-antimicrobial-therapy-does-not-prevent-treatment-failure-in-high-risk-patients-with-complicated-intra-abdominal-infections
#1
Taryn E Hassinger, Christopher A Guidry, Ori D Rotstein, Therese M Duane, Heather L Evans, Charles H Cook, Patrick J O'neill, John E Mazuski, Reza Askari, Lena M Napolitano, Nicholas Namias, Preston R Miller, E Patchen Dellinger, Raul Coimbra, Christine S Cocanour, Kaysie L Banton, Joseph Cuschieri, Kimberley Popovsky, Robert G Sawyer
BACKGROUND: Recent studies have suggested the length of treatment of intra-abdominal infections (IAIs) can be shortened without detrimental effects on patient outcomes. However, data from high-risk patient populations are lacking. We hypothesized that patients at high risk for treatment failure will benefit from a longer course of antimicrobial therapy. METHODS: Patients enrolled in the Study to Optimize Peritoneal Infection Therapy (STOP-IT) trial were evaluated retrospectively to identify risk factors associated with treatment failure, which was defined as the composite outcome of recurrent IAI, surgical site infection, or death...
June 26, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28650646/catalytic-conjugate-addition-of-electron-rich-heteroarenes-to-%C3%AE-%C3%AE-disubstituted-enones
#2
Tanner L Metz, Joshua Evans, Levi M Stanley
Catalytic conjugate additions of heteroarenes to β,β-disubstituted enones are reported. Additions of a range of heteroarene nucleophiles, including furans, indoles, a pyrrole, and a thiophene, to a variety of β,β-disubstituted enones occur to form the corresponding ketone products containing heteroarylated, all-carbon quaternary centers in up to 90% yield. These reactions occur under mild reaction conditions in the presence of low loadings of bismuth triflate.
June 26, 2017: Organic Letters
https://www.readbyqxmd.com/read/28650250/a-retrospective-longitudinal-claims-based-comparison-of-concomitant-diagnoses-between-individuals-with-and-without-down-syndrome
#3
Amanda M Kong, Dana Hurley, Kristin A Evans, Diana Brixner, Csilla Csoboth, Jeannie Visootsak
BACKGROUND: Individuals with Down syndrome (DS) experience various comorbidities in excess of the prevalence seen among the non-DS population. However, the extent of the excess burden of comorbidities specifically within commercially and publicly insured DS populations aged < 21 years is not currently known. OBJECTIVES: To (a) describe the most common diagnoses among individuals with DS who have either commercial or Medicaid insurance and (b) compare the prevalence of those diagnoses between DS cases and non-DS controls...
July 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28650059/substantial-local-variation-of-the-seebeck-coefficient-in-gold-nanowires
#4
Pavlo Zolotavin, Charlotte I Evans, Douglas Natelson
Nanoscale structuring holds promise to improve the thermoelectric properties of materials for energy conversion and photodetection. We report a study of the spatial distribution of the photothermoelectric voltage in thin-film nanowire devices fabricated from a single metal. A focused laser beam is used to locally heat the metal nanostructure via a combination of direct absorption and excitation of a plasmon resonance in Au devices. As seen previously, in nanowires shorter than the spot size of the laser, we observe a thermoelectric voltage distribution that is consistent with the local Seebeck coefficient being spatially dependent on the width of the nanostructure...
June 26, 2017: Nanoscale
https://www.readbyqxmd.com/read/28649991/the-social-inefficiency-of-regulating-indirect-land-use-change-due-to-biofuels
#5
Madhu Khanna, Weiwei Wang, Tara W Hudiburg, Evan H DeLucia
Efforts to reduce the indirect land use change (ILUC) -related carbon emissions caused by biofuels has led to inclusion of an ILUC factor as a part of the carbon intensity of biofuels in a Low Carbon Fuel Standard. While previous research has provided varying estimates of this ILUC factor, there has been no research examining the economic effects and additional carbon savings from including this factor in implementing a Low Carbon Fuel Standard. Here we show that inclusion of an ILUC factor in a national Low Carbon Fuel Standard led to additional abatement of cumulative emissions over 2007-2027 by 1...
June 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28649833/functional-prioritization-and-hydrogel-regulation-phenomena-created-by-a-combinatorial-pearl-associated-2-protein-biomineralization-model-system
#6
Gaurav Jain, Martin Pendola, Yu-Chieh Huang, Denis Gebauer, José Juan-Colás, Steven D Johnson, John Spencer Evans
In the nacre or aragonitic layer of the oyster pearl there exists a 12-member proteome which regulates both the early stages of nucleation and nano-to-mesoscale assembly of nacre tablets and calcitic crystals from mineral nanoparticle precursors. Several approaches have been developed to understand protein-associated mechanisms of pearl nacre formation, yet we still lack insight into how protein ensembles or proteomes manage nucleation and crystal growth. To provide additional insights we have created a proportionally-defined combinatorial model consisting of two pearl nacre-associated proteins, PFMG1 and PFMG2 (shell oyster pearl nacre, P...
June 26, 2017: Biochemistry
https://www.readbyqxmd.com/read/28649381/new-cancer-immunotherapy-agents-in-development-a-report-from-an-associated-program-of-the-31-st-annual-meeting-of-the-society-for-immunotherapy-of-cancer-2016
#7
REVIEW
Prasad S Adusumilli, Edward Cha, Mark Cornfeld, Thomas Davis, Adi Diab, Thomas W Dubensky, Elizabeth Evans, Jane L Grogan, Bryan A Irving, Rom S Leidner, Shane A Olwill, Patrick Soon-Shiong, Frederic Triebel, David Tuck, Adrian Bot, Roger D Dansey, Charles G Drake, Gordon J Freeman, Ramy Ibrahim, Salil Patel, Daniel S Chen
This report is a summary of 'New Cancer Immunotherapy Agents in Development' program, which took place in association with the 31st Annual Meeting of the Society for Immunotherapy of Cancer (SITC), on November 9, 2016 in National Harbor, Maryland. Presenters gave brief overviews of emerging clinical and pre-clinical immune-based agents and combinations, before participating in an extended panel discussion with multidisciplinary leaders, including members of the FDA, leading academic institutions and industrial drug developers, to consider topics relevant to the future of cancer immunotherapy...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28648803/sorafenib-in-combination-with-transarterial-chemoembolisation-in-patients-with-unresectable-hepatocellular-carcinoma-tace-2-a-randomised-placebo-controlled-double-blind-phase-3-trial
#8
Tim Meyer, Richard Fox, Yuk Ting Ma, Paul J Ross, Martin W James, Richard Sturgess, Clive Stubbs, Deborah D Stocken, Lucy Wall, Anthony Watkinson, Nigel Hacking, T R Jeffry Evans, Peter Collins, Richard A Hubner, David Cunningham, John Neil Primrose, Philip J Johnson, Daniel H Palmer
BACKGROUND: Transarterial chemoembolisation (TACE) is the standard of care for patients with intermediate stage hepatocellular carcinoma, while the multikinase inhibitor sorafenib improves survival in patients with advanced disease. We aimed to determine whether TACE with sorafenib improves progression-free survival versus TACE with placebo. METHODS: We did a multicentre, randomised, placebo-controlled, phase 3 trial (TACE 2) in 20 hospitals in the UK for patients with unresectable, liver-confined hepatocellular carcinoma...
June 22, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28648702/a-dual-pivot-pattern-simulating-native-knee-kinematics-optimizes-functional-outcomes-after-total-knee-arthroplasty
#9
R Michael Meneghini, Evan R Deckard, Marshall K Ishmael, Mary Ziemba-Davis
BACKGROUND: Few studies on kinematics correlate patterns to functional outcomes after total knee arthroplasty (TKA). The purpose of this study was to determine if lateral pivot motion in early flexion and medial pivot in high flexion, simulating native knee kinematics, produces superior clinical outcomes. A second objective was to determine if specific kinematic patterns produce superior outcomes. METHODS: One hundred twenty consecutive TKAs were performed using sensor trials to record intraoperative knee kinematics...
May 4, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28648245/great-british-medalists-response-to-the-commentaries
#10
Lew Hardy, Matthew Barlow, Lynne Evans, Tim Rees, Tim Woodman, Chelsea Warr
Hardy et al. (2017) reported the findings of a large-scale, multisource, qualitative study that examined the commonalities of, and discriminators between, a group of super-elite (SE) and a group of elite (E) athletes who were matched on gender, sport, discipline, and era. Fifteen research teams who are actively engaged in research in the domain then provided critical commentaries on the target paper. In our response to these commentaries, we briefly remind the reader of the primary findings of the original paper and then deal with the commentaries under the subheadings: Necessary and Sufficient Conditions for Elite Performance; Mediating and Moderating Variables; Methodological Issues; Omissions; and Alternative Approaches...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28648228/great-british-medalists-psychosocial-biographies-of-super-elite-and-elite-athletes-from-olympic-sports
#11
Lew Hardy, Matthew Barlow, Lynne Evans, Tim Rees, Tim Woodman, Chelsea Warr
Participants were 32 former GB athletes from Olympic sports, 16 Super-Elite athletes who had won multiple medals at major championships, and 16 matched Elite athletes who had not. In-depth interviews with the athletes, their coaches, and one of their parents explored all psychosocial aspects of their development and careers. Content analyses revealed that there were no differences between Super-Elite and Elite athletes with regard to family values, conscientiousness, or commitment to training. However, the two groups were found to be different with regard to: (1) the experience of a foundational negative life event coupled with a foundational positive sport-related event; (2) the experience of a career turning point that enhanced motivation and focus for their sport; (3) need for success; (4) obsessiveness and/or perfectionism with regard to training and performance; (5) ruthlessness and/or selfishness in the pursuit of their sporting goals; (6) dual focus on both mastery and outcome; (7) the use of counterphobic attitudes and/or total preparation to maintain higher levels of performance under pressure; and (8) the relative importance of sport over other aspects of life...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28647705/revolution-in-acute-ischaemic-stroke-care-a-practical-guide-to-mechanical-thrombectomy
#12
REVIEW
Matthew Evans, Phil White, Peter Cowley, David Werring
Rapid, safe and effective arterial recanalisation to restore blood flow and improve functional outcome remains the primary goal of hyperacute ischaemic stroke management. The benefit of intravenous thrombolysis with recombinant tissue-type plasminogen activator for patients with severe stroke due to large artery occlusion is limited; early recanalisation is generally less than 30% for carotid, proximal middle cerebral artery or basilar artery occlusion. Since November 2014, nine positive randomised controlled trials of mechanical thrombectomy for large vessel occlusion in the anterior circulation have led to a revolution in the care of patients with acute ischaemic stroke...
June 24, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28647530/measuring-kinetic-rate-constants-of-multiple-component-reactions-with-optical-biosensors
#13
David A Edwards, Ryan M Evans, Wenbin Li
One may measure the kinetic rate constants associated with biochemical reactions using an optical biosensor: an instrument in which ligand molecules are convected through a flow cell over a surface to which receptors are immobilized. If there are multiple reactants, one is faced with the problem of fitting multiple kinetic rate constants to one signal, since data from all of the reacting species is lumped together. Even in the presence of ambiguous data, one may use a series of experiments to accurately determine the rate constants...
June 21, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28646893/clinical-features-of-serous-retinopathy-observed-with-cobimetinib-in-patients-with-braf-mutated-melanoma-treated-in-the-randomized-cobrim-study
#14
Luis de la Cruz-Merino, Lorenza Di Guardo, Jean-Jacques Grob, Alfredo Venosa, James Larkin, Grant A McArthur, Antoni Ribas, Paolo A Ascierto, Jeffrey T R Evans, Antonio Gomez-Escobar, Giulio Barteselli, Susan Eng, Jessie J Hsu, Anne Uyei, Brigitte Dréno
BACKGROUND: Serous chorioretinopathy has been associated with MEK inhibitors, including cobimetinib. We describe the clinical features of serous retinopathy observed with cobimetinib in patients with BRAF (V600)-mutated melanoma treated in the Phase III coBRIM study. METHODS: In the coBRIM study, 493 patients were treated in two randomly assigned treatment groups: cobimetinib and vemurafenib (n = 247) or vemurafenib (n = 246). All patients underwent prospective ophthalmic examinations at screening, at regular intervals during the study, and whenever ocular symptoms developed...
June 24, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28645895/multiparity-improves-outcomes-after-cerebral-ischemia-in-female-mice-despite-features-of-increased-metabovascular-risk
#15
Rodney M Ritzel, Anita R Patel, Monica Spychala, Rajkumar Verma, Joshua Crapser, Edward C Koellhoffer, Anna Schrecengost, Evan R Jellison, Liang Zhu, Venugopal Reddy Venna, Louise D McCullough
Females show a varying degree of ischemic sensitivity throughout their lifespan, which is not fully explained by hormonal or genetic factors. Epidemiological data suggest that sex-specific life experiences such as pregnancy increase stroke risk. This work evaluated the role of parity on stroke outcome. Age-matched virgin (i.e., nulliparous) and multiparous mice were subjected to 60 min of reversible middle cerebral artery occlusion and evaluated for infarct volume, behavioral recovery, and inflammation. Using an established mating paradigm, fetal microchimeric cells present in maternal mice were also tracked after parturition and stroke...
June 23, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28644973/il-18-il-15-il-12-synergy-induces-elevated-and-prolonged-ifn-%C3%AE-production-by-ex-vivo-expanded-nk-cells-which-is-not-due-to-enhanced-stat4-activation
#16
Evan Lusty, Sophie M Poznanski, Karen Kwofie, Talveer S Mandur, Dean A Lee, Carl D Richards, Ali A Ashkar
The synergistic effect of IL-18/IL-15/IL-12 stimulation potently activates NK cells, inducing high levels of IFN-γ production. As a result of this potent stimulatory effect, NK cell pre-activation with IL-18/IL-15/IL-12 is being developed as a cancer immunotherapy. Ex vivo expansion of NK cells enables the efficient generation of large numbers of NK cells for wide-scale and repeated therapeutic use, and is thus an important source of NK cells for clinical application. However, the effects of IL-18/IL-15/IL-12 stimulation on ex vivo expanded NK cells have not yet been assessed...
June 20, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28644350/lack-of-knowledge-and-low-readiness-for-health-care-transition-in-eosinophilic-esophagitis-and-eosinophilic-gastroenteritis
#17
Swathi Eluri, Wendy M Book, Ellyn Kodroff, Mary Jo Strobel, Jessica H Gebhart, Patricia D Jones, Paul Menard-Katcher, Maria E Ferris, Evan S Dellon
OBJECTIVES: A growing population of adolescents/young adults with eosinophilic esophagitis (EoE) and eosinophilic gastroenteritis (EGE) will need to transition from pediatric to adult health providers. Measuring health care transition (HCT) readiness is critical, but no studies have evaluated this process in EoE/EGE. We determined the scope and predictors of HCT knowledge in patients and parents with EoE/EGE and measured HCT readiness in adolescents/young adults. METHODS: We conducted an online survey of patients 13 years or older and parents of patients with EoE/EGE who were diagnosed when 25 years or younger...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28643699/nonequilibrium-ferroelectric-ferroelastic-10%C3%A2-nm-nanodomains-wrinkles-period-doubling-and-power-law-relaxation
#18
James F Scott, Donald M Evans, Ram S Katiyar, Raymond G P McQuaid, J Marty Gregg
Since the 1935 work of Landau-Lifshitz and of Kittel in 1946 all ferromagnetic, ferroelectric, and ferroelastic domains have been thought to be straight-sided with domain widths proportional to the square root of the sample thickness. We show in the present work that this is not true. We also discover period doubling domains predicted by Metaxas et al (2008 Phys. Rev. Lett. 99 217208) and modeled by Wang and Zhao (2015 Sci. Rep. 5 8887). We examine non-equilibrium ferroic domain structures in perovskite oxides with respect to folding, wrinkling, and relaxation and suggest that structures are kinetically limited and in the viscous flow regime predicted by Metaxas et al in 2008 but never observed experimentally...
June 23, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28643607/diabetes-self-management-training-in-a-virtual-environment
#19
Louise Reagan, Katherine Pereira, Vanessa Jefferson, Kathryn Evans Kreider, Susan Totten, Gail D'Eramo Melkus, Constance Johnson, Allison Vorderstrasse
Diabetes self-management training (DSMT) improves diabetes health outcomes. However, low numbers of patients receive DSMT. Using virtual environments (VEs) for DSMT is an innovative approach to removing barriers for patients. The purpose of this paper is to describe the experience of health professionals and diabetes educators establishing and teaching DSMT in a VE, Diabetes LIVE© (Learning in Virtual Environments), and the implications for future use of VEs in DSMT. It was found that providing DSMT in a VE preserves real-time interaction between patients and educators...
June 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/28643075/a-standardized-comparison-of-peri-operative-complications-after-minimally-invasive-esophagectomy-ivor-lewis-versus-mckeown
#20
Andrew M Brown, Michael J Pucci, Adam C Berger, Talar Tatarian, Nathaniel R Evans, Ernest L Rosato, Francesco Palazzo
BACKGROUND: While our institutional approach to esophageal resection for cancer has traditionally favored a minimally invasive (MI) 3-hole, McKeown esophagectomy (MIE 3-hole) during the last five years several factors has determined a shift in our practice with an increasing number of minimally invasive Ivor Lewis (MIE IL) resections being performed. We compared peri-operative outcomes of the two procedures, hypothesizing that MIE IL would be less morbid in the peri-operative setting compared to MIE 3-hole...
June 22, 2017: Surgical Endoscopy
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