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https://www.readbyqxmd.com/read/28814969/the-role-of-open-abdomen-in-non-trauma-patient-wses-consensus-paper
#1
REVIEW
Federico Coccolini, Giulia Montori, Marco Ceresoli, Fausto Catena, Ernest E Moore, Rao Ivatury, Walter Biffl, Andrew Peitzman, Raul Coimbra, Sandro Rizoli, Yoram Kluger, Fikri M Abu-Zidan, Massimo Sartelli, Marc De Moya, George Velmahos, Gustavo Pereira Fraga, Bruno M Pereira, Ari Leppaniemi, Marja A Boermeester, Andrew W Kirkpatrick, Ron Maier, Miklosh Bala, Boris Sakakushev, Vladimir Khokha, Manu Malbrain, Vanni Agnoletti, Ignacio Martin-Loeches, Michael Sugrue, Salomone Di Saverio, Ewen Griffiths, Kjetil Soreide, John E Mazuski, Addison K May, Philippe Montravers, Rita Maria Melotti, Michele Pisano, Francesco Salvetti, Gianmariano Marchesi, Tino M Valetti, Thomas Scalea, Osvaldo Chiara, Jeffry L Kashuk, Luca Ansaloni
The open abdomen (OA) is defined as intentional decision to leave the fascial edges of the abdomen un-approximated after laparotomy (laparostomy). The abdominal contents are potentially exposed and therefore must be protected with a temporary coverage, which is referred to as temporal abdominal closure (TAC). OA use remains widely debated with many specific details deserving detailed assessment and clarification. To date, in patients with intra-abdominal emergencies, the OA has not been formally endorsed for routine utilization; although, utilization is seemingly increasing...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28808942/primary-care-providers-opening-of-time-sensitive-alerts-sent-to-commercial-electronic-health-record-inbaskets
#2
Sarah L Cutrona, Hassan Fouayzi, Laura Burns, Rajani S Sadasivam, Kathleen M Mazor, Jerry H Gurwitz, Lawrence Garber, Devi Sundaresan, Thomas K Houston, Terry S Field
BACKGROUND: Time-sensitive alerts are among the many types of clinical notifications delivered to physicians' secure InBaskets within commercial electronic health records (EHRs). A delayed alert review can impact patient safety and compromise care. OBJECTIVE: To characterize factors associated with opening of non-interruptive time-sensitive alerts delivered into primary care provider (PCP) InBaskets. DESIGN AND PARTICIPANTS: We analyzed data for 799 automated alerts...
August 14, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28808858/vitamin-d-and-heart-failure
#3
REVIEW
D Marshall Brinkley, Omair M Ali, Sandip K Zalawadiya, Thomas J Wang
PURPOSE: Vitamin D is principally known for its role in calcium homeostasis, but preclinical studies implicate multiple pathways through which vitamin D may affect cardiovascular function and influence risk for heart failure. Many adults with cardiovascular disease have low vitamin D status, making it a potential therapeutic target. We review the rationale and potential role of vitamin D supplementation in the prevention and treatment of chronic heart failure. RECENT FINDINGS: Substantial observational evidence has associated low vitamin D status with the risk of heart failure, ventricular remodeling, and clinical outcomes in heart failure, including mortality...
August 14, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28806420/perceptions-of-health-risks-of-cigarette-smoking-a-new-measure-reveals-widespread-misunderstanding
#4
Jon A Krosnick, Neil Malhotra, Cecilia Hyunjung Mo, Eduardo F Bruera, LinChiat Chang, Josh Pasek, Randall K Thomas
Most Americans recognize that smoking causes serious diseases, yet many Americans continue to smoke. One possible explanation for this paradox is that perhaps Americans do not accurately perceive the extent to which smoking increases the probability of adverse health outcomes. This paper examines the accuracy of Americans' perceptions of the absolute risk, attributable risk, and relative risk of lung cancer, and assesses which of these beliefs drive Americans' smoking behavior. Using data from three national surveys, statistical analyses were performed by comparing means, medians, and distributions, and by employing Generalized Additive Models...
2017: PloS One
https://www.readbyqxmd.com/read/28803034/variations-in-the-costs-of-radical-cystectomy-for-bladder-cancer-in-the-usa
#5
Jeffrey J Leow, Alexander P Cole, Thomas Seisen, Joaquim Bellmunt, Matthew Mossanen, Mani Menon, Mark A Preston, Toni K Choueiri, Adam S Kibel, Benjamin I Chung, Maxine Sun, Steven L Chang, Quoc-Dien Trinh
BACKGROUND: Radical cystectomy (RC) for muscle-invasive bladder cancer (BCa) has potential for serious complications, prolonged length of stay and readmissions-all of which may increase costs. Although variations in outcomes are well described, less is known about determinants driving variation in costs. OBJECTIVE: To assess surgeon- and hospital-level variations in costs and predictors of high- and low-cost RC. DESIGN, SETTING, AND PARTICIPANTS: Cohort study of 23 173 patients who underwent RC for BCa in 208 hospitals in the USA from 2003 to 2015 in the Premier Healthcare Database...
August 9, 2017: European Urology
https://www.readbyqxmd.com/read/28799369/a-physically-constrained-classical-description-of-the-homogeneous-nucleation-of-ice-in-water
#6
Thomas Koop, Benjamin J Murray
Liquid water can persist in a supercooled state to below 238 K in the Earth's atmosphere, a temperature range where homogeneous nucleation becomes increasingly probable. However, the rate of homogeneous ice nucleation in supercooled water is poorly constrained, in part, because supercooled water eludes experimental scrutiny in the region of the homogeneous nucleation regime where it can exist only fleetingly. Here we present a new parameterization of the rate of homogeneous ice nucleation based on classical nucleation theory...
December 7, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28792876/nad-deficiency-congenital-malformations-and-niacin-supplementation
#7
Hongjun Shi, Annabelle Enriquez, Melissa Rapadas, Ella M M A Martin, Roni Wang, Julie Moreau, Chai K Lim, Justin O Szot, Eddie Ip, James N Hughes, Kotaro Sugimoto, David T Humphreys, Aideen M McInerney-Leo, Paul J Leo, Ghassan J Maghzal, Jake Halliday, Janine Smith, Alison Colley, Paul R Mark, Felicity Collins, David O Sillence, David S Winlaw, Joshua W K Ho, Gilles J Guillemin, Matthew A Brown, Kazu Kikuchi, Paul Q Thomas, Roland Stocker, Eleni Giannoulatou, Gavin Chapman, Emma L Duncan, Duncan B Sparrow, Sally L Dunwoodie
BACKGROUND: Congenital malformations can be manifested as combinations of phenotypes that co-occur more often than expected by chance. In many such cases, it has proved difficult to identify a genetic cause. We sought the genetic cause of cardiac, vertebral, and renal defects, among others, in unrelated patients. METHODS: We used genomic sequencing to identify potentially pathogenic gene variants in families in which a person had multiple congenital malformations...
August 10, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28776045/whole-genome-sequencing-of-human-clinical-klebsiella-pneumoniae-isolates-reveals-misidentification-and-misunderstandings-of-klebsiella-pneumoniae-klebsiella-variicola-and-klebsiella-quasipneumoniae
#8
S Wesley Long, Sarah E Linson, Matthew Ojeda Saavedra, Concepcion Cantu, James J Davis, Thomas Brettin, Randall J Olsen
Klebsiella pneumoniae is a major threat to public health, causing significant morbidity and mortality worldwide. The emergence of highly drug-resistant strains is particularly concerning. There has been a recognition and division of Klebsiella pneumoniae into three distinct phylogenetic groups: Klebsiella pneumoniae, Klebsiella variicola, and Klebsiella quasipneumoniae. K. variicola and K. quasipneumoniae have often been described as opportunistic pathogens that have less virulence in humans than K. pneumoniae does...
July 2017: MSphere
https://www.readbyqxmd.com/read/28771649/implementing-a-disaster-preparedness-curriculum-for-medical-students
#9
Edward H Jasper, Gregory K Wanner, Dale Berg, Katherine Berg
OBJECTIVES: Training in disaster medicine and preparedness is minimal or absent in the curricula of many medical schools in the United States. Despite a 2003 joint recommendation by the Association of American Medical Colleges and the Centers for Disease Control and Prevention, few medical schools require disaster training for medical students. The challenges of including disaster training in an already rigorous medical school curriculum are significant. We evaluated medical students' experiences with mandatory disaster training during a 2-year period in a medical university setting...
August 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28768867/mechanism-of-interferon-stimulated-gene-induction-in-hiv-1-infected-macrophages
#10
Najla Nasr, Abdullateef A Alshehri, Thomas K Wright, Maryam Shahid, Bonnie M Heiner, Andrew N Harman, Rachel A Botting, Karla J Helbig, Michael R Beard, Kazuo Suzuki, Anthony D Kelleher, Paul Hertzog, Anthony L Cunningham
Viruses manipulate the complex interferon and interferon stimulated gene (ISG) system in different ways. We have previously shown that HIV inhibits type I and III interferons in its key target cells but directly stimulates a subset of >20 ISGs in macrophages and dendritic cells many of which are antiviral. Here we examined the mechanism of induction of ISGs and showed this occurred in two phases. The first phase was transient (0-24hpi) induced mainly by extracellular vesicles, and one of its component proteins HSP90α, contained within the HIV inoculum...
August 2, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28764033/genetic-and-geochemical-signatures-to-prevent-frauds-and-counterfeit-of-high-quality-asparagus-and-pistachio
#11
Carmela Zannella, Francesca Carucci, Riccardo Aversano, Thomas Prohaska, Simona Vingiani, Domenico Carputo, Paola Adamo
A fingerprinting strategy based on genetic (simple sequence repeat) and geochemical (multielement and (87)Sr/(86)Sr ratio) analysis was tested to prove the geographical origin of high-quality Italian products "White Asparagus from Bassano del Grappa" and "Green Pistachio from Bronte". Genetic analysis generated many polymorphic alleles and different specific amplified fragments in both agriproducts. In addition, a core set of markers was defined. According to variability within production soils and products, potential candidate elements linking asparagus (Zn, P, Cr, Mg, B, K) and pistachio (Mn, P, Cr, Mg, Ti, B, K, Sc, S) to the production areas were identified...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28760952/testing-inhomogeneous-solvation-theory-in-structure-based-ligand-discovery
#12
Trent E Balius, Marcus Fischer, Reed M Stein, Thomas B Adler, Crystal N Nguyen, Anthony Cruz, Michael K Gilson, Tom Kurtzman, Brian K Shoichet
Binding-site water is often displaced upon ligand recognition, but is commonly neglected in structure-based ligand discovery. Inhomogeneous solvation theory (IST) has become popular for treating this effect, but it has not been tested in controlled experiments at atomic resolution. To do so, we turned to a grid-based version of this method, GIST, readily implemented in molecular docking. Whereas the term only improves docking modestly in retrospective ligand enrichment, it could be added without disrupting performance...
August 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28748474/absolute-quantification-of-toxicological-biomarkers-via-mass-spectrometry
#13
Thomas Y K Lau, Ben C Collins, Peter Stone, Ning Tang, William M Gallagher, Stephen R Pennington
With the advent of "-omics" technologies there has been an explosion of data generation in the field of toxicology, as well as many others. As new candidate biomarkers of toxicity are being regularly discovered, the next challenge is to validate these observations in a targeted manner. Traditionally, these validation experiments have been conducted using antibody-based technologies such as Western blotting, ELISA, and immunohistochemistry. However, this often produces a significant bottleneck as the time, cost, and development of successful antibodies are often far outpaced by the generation of targets of interest...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28747530/sequence-intrinsic-somatic-mutation-mechanisms-contribute-to-affinity-maturation-of-vrc01-class-hiv-1-broadly-neutralizing-antibodies
#14
Joyce K Hwang, Chong Wang, Zhou Du, Robin M Meyers, Thomas B Kepler, Donna Neuberg, Peter D Kwong, John R Mascola, M Gordon Joyce, Mattia Bonsignori, Barton F Haynes, Leng-Siew Yeap, Frederick W Alt
Variable regions of Ig chains provide the antigen recognition portion of B-cell receptors and derivative antibodies. Ig heavy-chain variable region exons are assembled developmentally from V, D, J gene segments. Each variable region contains three antigen-contacting complementarity-determining regions (CDRs), with CDR1 and CDR2 encoded by the V segment and CDR3 encoded by the V(D)J junction region. Antigen-stimulated germinal center (GC) B cells undergo somatic hypermutation (SHM) of V(D)J exons followed by selection for SHMs that increase antigen-binding affinity...
July 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28746718/association-of-incident-amelanotic-melanoma-with-phenotypic-characteristics-mc1r-status-and-prior-amelanotic-melanoma
#15
Steven Vernali, Weston T Waxweiler, Patrick M Dillon, Peter A Kanetsky, Irene Orlow, Li Luo, Klaus J Busam, Anne Kricker, Bruce K Armstrong, Hoda Anton-Culver, Stephen B Gruber, Richard P Gallagher, Roberto Zanetti, Stefano Rosso, Lidia Sacchetto, Terence Dwyer, Anne E Cust, David W Ollila, Colin B Begg, Marianne Berwick, Nancy E Thomas
Importance: We previously reported that survival is poorer from histopathologically amelanotic than pigmented melanoma because of more advanced stage at diagnosis. Identifying patients at risk of amelanotic melanoma might enable earlier diagnosis and improved survival; however, the phenotypic characteristics and underlying genetics associated with amelanotic melanoma are unknown. Objective: To determine whether phenotypic characteristics, carriage of MC1R variants, and history of amelanotic melanoma are associated with histopathologically amelanotic melanoma...
July 26, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28743812/horizontal-gene-transfer-of-functional-type-vi-killing-genes-by-natural-transformation
#16
Jacob Thomas, Samit S Watve, William C Ratcliff, Brian K Hammer
Horizontal gene transfer (HGT) can have profound effects on bacterial evolution by allowing individuals to rapidly acquire adaptive traits that shape their strategies for competition. One strategy for intermicrobial antagonism often used by Proteobacteria is the genetically encoded contact-dependent type VI secretion system (T6SS), a weapon used to kill heteroclonal neighbors by direct injection of toxic effectors. Here, we experimentally demonstrate that Vibrio cholerae can acquire new T6SS effector genes via horizontal transfer and utilize them to kill neighboring cells...
July 25, 2017: MBio
https://www.readbyqxmd.com/read/28743155/neoadjuvant-chemotherapy-prior-to-radical-cystectomy-for-muscle-invasive-bladder-cancer-with-variant-histology
#17
Malte W Vetterlein, Stephanie A M Wankowicz, Thomas Seisen, Richard Lander, Björn Löppenberg, Felix K-H Chun, Mani Menon, Maxine Sun, Justine A Barletta, Toni K Choueiri, Joaquim Bellmunt, Quoc-Dien Trinh, Mark A Preston
BACKGROUND: Neoadjuvant chemotherapy in pure urothelial bladder cancer provides a significant survival benefit. However, to the authors' knowledge, it is unknown whether this benefit persists in histological variants. The objective of the current study was to assess the effect of neoadjuvant chemotherapy on the probability of non-organ-confined disease and overall survival after radical cystectomy (RC) in patients with histological variants. METHODS: Querying the National Cancer Data Base, the authors identified 2018 patients with histological variants who were undergoing RC for bladder cancer between 2003 and 2012...
July 25, 2017: Cancer
https://www.readbyqxmd.com/read/28724134/association-of-implantable-cardioverter-defibrillators-with-survival-in-patients-with-and-without-improved-ejection-fraction-secondary-analysis-of-the-sudden-cardiac-death-in-heart-failure-trial
#18
Selcuk Adabag, Kristen K Patton, Alfred E Buxton, Thomas S Rector, Kristine E Ensrud, Kairav Vakil, Wayne C Levy, Jeanne E Poole
Importance: Improvement in left ventricular ejection fraction (EF) to >35% occurs in many patients with reduced EF at baseline. To our knowledge, whether implantable cardioverter defibrillator (ICD) therapy improves survival for these patients is unknown. Objective: To examine the efficacy of ICD therapy in reducing risk of all-cause mortality and sudden cardiac death among patients with an EF ≤35% at baseline, with or without an improvement in EF to >35% during follow-up...
July 1, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28723812/effects-of-12-weeks-resistance-training-on-sprint-and-jump-performance-in-competitive-adolescent-rugby-union-players
#19
Simon K Harries, David R Lubans, Anthony Buxton, Thomas H J MacDougall, Robin Callister
Sprint performance is an important characteristic for success in many sports, including rugby union. Resistance training is used to increase muscular fitness (i.e. strength, endurance and power) and may also be effective for improving sprint and jump performances. The aims of this study were to examine the effects of resistance training using two different periodized programs (linear and daily undulating) on sprint and jump performance and explore relationships between performance measures. Sixteen male (16...
July 17, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28723189/ionophore-based-titrimetric-detection-of-alkali-metal-ions-in-serum
#20
Jingying Zhai, Xiaojiang Xie, Thomas Cherubini, Eric Bakker
While the titrimetric assay is one of the most precise analytical techniques available, only a limited list of complexometric chelators is available, as many otherwise promising reagents are not water-soluble. Recent work demonstrated successful titrimetry with ion-exchanging polymeric nanospheres containing hydrophobic complexing agents, so-called ionophores, opening an exciting avenue in this field. However, this method was limited to ionophores of very high affinity to the analyte and exhibited a relatively limited titration capacity...
April 28, 2017: ACS Sensors
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