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https://www.readbyqxmd.com/read/29140881/pdgfb-rearrangements-in-dermatofibrosarcoma-protuberans-of-the-vulva-a-study-of-11-cases-including-myxoid-and-fibrosarcomatous-variants
#1
Khadijeh Jahanseir, Deyin Xing, Patricia T Greipp, William R Sukov, Gary L Keeney, Brooke E Howitt, J Kenneth Schoolmeester
Dermatofibrosarcoma protuberans (DFSP) is a low-grade fibroblastic sarcoma that tends to arise in young to middle age adults and involve the trunk and proximal extremities. Rare examples of vulvar DFSP have been reported, including myxoid, myoid, and fibrosarcomatous variants, but detection of the characteristic t(17;22)(q22;q13) that produces COL1A1-PDGFB gene fusion has not been evaluated in a large series of primary vulvar tumors. The clinical, morphologic, immunohistochemical, and molecular cytogenetic features of 11 cases were examined...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29140848/mortality-trends-after-a-voluntary-checklist-based-surgical-safety-collaborative
#2
Alex B Haynes, Lizabeth Edmondson, Stuart R Lipsitz, George Molina, Bridget A Neville, Sara J Singer, Aunyika T Moonan, Ashley Kay Childers, Richard Foster, Lorri R Gibbons, Atul A Gawande, William R Berry
OBJECTIVE: To determine whether completion of a voluntary, checklist-based surgical quality improvement program is associated with reduced 30-day postoperative mortality. BACKGROUND: Despite evidence of efficacy of team-based surgical safety checklists in improving perioperative outcomes in research trials, effective methods of population-based implementation have been lacking. The Safe Surgery 2015 South Carolina program was designed to foster state-wide engagement of hospitals in a voluntary, collaborative implementation of a checklist program...
December 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29140642/raising-awareness-of-farm-equipment-on-public-roadways-in-tennessee
#3
Sandy Mehlhorn, Barbara Darroch, Staci Williams Jackson
A program was developed to educate young drivers about laws and guidelines governing farm equipment on public roadways in Tennessee. The goal of the program was to make young drivers aware of their responsibilities and the responsibilities of farm equipment drivers when sharing public roadways. A presentation was developed outlining the topics and was accompanied by identical pre- and post-surveys. The material was presented to drivers' education classes and agriculture science classes at several high schools in west and middle Tennessee...
November 20, 2017: Journal of Agricultural Safety and Health
https://www.readbyqxmd.com/read/29140529/editorial-board-changes-for-2018
#4
William T Carpenter, Paul D Shepard, Laura M Rowland, Janet L Smith
No abstract text is available yet for this article.
November 13, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29140443/dc-sign-polymorphisms-associated-with-risk-of-hepatitis-c-virus-infection-among-men-who-have-sex-with-men-but-not-among-injecting-drug-users
#5
Gaby S Steba, Sylvie M Koekkoek, Joost W Vanhommerig, Kees Brinkman, David Kwa, Jan T M Van Der Meer, Maria Prins, Ben Berkhout, Michael Tanck, William A Paxton, Richard Molenkamp, Janke Schinkel
We aimed to identify whether genetic polymorphisms within L-SIGN or DC-SIGN correlate with HCV susceptibility. An MSM and an IDU cohort of HCV cases and multiple-exposed uninfected controls were genotyped for numerous L-SIGN and DC-SIGN polymorphisms. DC-SIGN SNPs -139, -871 and -939 correlate with HCV acquisition in the MSM cohort only. When the same SNPs were introduced into a transcription activity assay they demonstrated a reduction in expression with predicted alteration in binding of transcription factors...
November 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29140441/the-complete-phylogeny-of-pangolins-scaling-up-resources-for-the-molecular-tracing-of-the-most-trafficked-mammals-on-earth
#6
Philippe Gaubert, Agostinho Antunes, Hao Meng, Lin Miao, Stéphane Peigné, Fabienne Justy, Flobert Njiokou, Sylvain Dufour, Emmanuel Danquah, Jayanthi Alahakoon, Erik Verheyen, William T Stanley, Stephen J O'Brien, Warren E Johnson, Shu-Jin Luo
Pangolins, considered the most-trafficked mammals on Earth, are rapidly heading to extinction. Eight extant species of these African and Asian scale-bodied anteaters are commonly recognized, but their evolutionary relationships remain largely unexplored. Here we present the most comprehensive phylogenetic assessment of pangolins, based on genetic variation of complete mitogenomes and nine nuclear genes. We confirm deep divergence among Asian and African pangolins occurring not later than the Oligocene-Miocene boundary ca...
November 13, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29138365/one-year-clinical-outcomes-of-the-hybrid-cto-revascularization-strategy-after-hospital-discharge-a-subanalysis-of-the-multicenter-recharge-registry
#7
Joren Maeremans, Alexandre Avran, Simon Walsh, Paul Knaapen, Colm G Hanratty, Benjamin Faurie, Pierfrancesco Agostoni, Erwan Bressollette, Peter Kayaert, Dave Smith, Alexander Chase, Margaret B Mcentegart, William H T Smith, Alun Harcombe, John Irving, Andrew Ladwiniec, James C Spratt, Jo Dens
OBJECTIVES: Percutaneous coronary intervention (PCI) of chronic total occlusion (CTO) has historically been associated with higher event rates during follow-up. The hybrid algorithm and contemporary wiring and dissection re-entry (DR) techniques can potentially improve long-term outcomes after CTO-PCI. This study assessed the long-term clinical outcomes of the hybrid CTO practice, when applied by operators with varying experience levels. METHODS: We examined the 1-year clinical events after hospital discharge of the RECHARGE population, according to technical outcome and final technique...
November 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29138182/disparities-in-the-quality-of-cardiovascular-care-between-hiv-infected-versus-hiv-uninfected-adults-in-the-united-states-a-cross-sectional-study
#8
Joseph A Ladapo, Adam K Richards, Cassandra M DeWitt, Nina T Harawa, Steven Shoptaw, William E Cunningham, John N Mafi
BACKGROUND: Cardiovascular disease is emerging as a major cause of morbidity and mortality among patients with HIV. We compared use of national guideline-recommended cardiovascular care during office visits among HIV-infected versus HIV-uninfected adults. METHODS AND RESULTS: We analyzed data from a nationally representative sample of HIV-infected and HIV-uninfected patients aged 40 to 79 years in the National Ambulatory Medical Care Survey/National Hospital Ambulatory Medical Care Survey, 2006 to 2013...
November 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29138035/defining-failed-induction-of-labor
#9
William A Grobman, Jennifer Bailit, Yinglei Lai, Uma M Reddy, Ronald J Wapner, Michael W Varner, John M Thorp, Kenneth J Leveno, Steve N Caritis, Mona Prasad, Alan T N Tita, George Saade, Yoram Sorokin, Dwight J Rouse, Sean C Blackwell, Jorge E Tolosa
BACKGROUND: While there are well-accepted standards for the diagnosis of arrested active-phase labor, the definition of a "failed" induction of labor remains less certain. One approach to diagnosing a failed induction is based on the duration of the latent phase. However, a standard for the minimum duration that the latent phase of a labor induction should continue, absent acute maternal or fetal indications for cesarean delivery, remains lacking. OBJECTIVE: The objective of this study was to determine the frequency of adverse maternal and perinatal outcomes as a function of the duration of the latent phase among nulliparous women undergoing labor induction...
November 11, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29138016/the-challenges-of-detecting-and-responding-to-a-lassa-fever-outbreak-in-an-ebola-affected-setting
#10
E L Hamblion, P Raftery, A Wendland, E Dweh, G S Williams, R N C George, L Soro, V Katawera, P Clement, A N Gasasira, E Musa, T K Nagbe
OBJECTIVES: Lassa fever(LF), a priority emerging pathogen likely to cause major epidemics, is endemic in much of West Africa and difficult to distinguish from other viral haemorrhagic fevers including Ebola virus disease(EVD). Definitive diagnosis requires laboratory confirmation not widely available in affected settings. We report the public health action to contain a LF outbreak and challenges encountered in an EVD-affected setting. METHODS: In February 2016 a rapid response team was deployed in Liberia in response to a cluster of LF cases...
November 11, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29136163/ascaris-suum-infection-down-regulates-inflammatory-pathways-in-the-pig-intestine-in-vivo-and-in-human-dendritic-cells-in-vitro
#11
Helene L E Midttun, Nathalie Acevedo, Per Skallerup, Sara Almeida, Kerstin Skovgaard, Lars Andresen, Søren Skov, Luis Caraballo, Irma van Die, Claus B Jørgensen, Merete Fredholm, Stig M Thamsborg, Peter Nejsum, Andrew R Williams
Ascaris suum is a helminth parasite of pigs closely related to its human counterpart, A. lumbricoides, which infects almost one billion people. Ascaris spp. is thought to modulate host immune and inflammatory responses, which may drive immune hyporesponsiveness during chronic infections. Using transcriptomic analysis, we show here that pigs with a chronic A. suum infection have a substantial suppression of inflammatory pathways in the intestinal mucosa, with a broad down-regulation of genes encoding cytokines and antigen-processing and co-stimulatory molecules...
November 9, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29135673/myocardial-cobalt-levels-are-elevated-in-the-setting-of-total-hip-arthroplasty
#12
Cody C Wyles, T Carson Wright, Melanie C Bois, Md Shahrier Amin, Ahmed Fayyaz, Sarah M Jenkins, Saranya P Wyles, Patrick L Day, David L Murray, Robert T Trousdale, Nandan S Anavekar, William D Edwards, Joseph J Maleszewski
BACKGROUND: Arthroplasty implants commonly contain elemental metal that may undergo wear-related release. Recently, cases of hip implant-associated myocardial injury have been reported. However, we are not aware of any previous study that has systematically measured myocardial metal levels or examined the relationship with total hip arthroplasty (THA). METHODS: Archives of our institution were queried for autopsies of individuals who had undergone THA between 1990 and 2013...
November 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29134425/quick-reference-tidal-volume-cards-reduce-the-incidence-of-large-tidal-volumes-during-surgery
#13
Chirag K Shah, Angela Moss, William Henderson, Breandan Sullivan, Ana Fernandez-Bustamante
Ventilation with large tidal volumes (V T), greater than 10 ml/kg of predicted body weight (PBW), is associated with worse outcomes in critically ill and surgical patients. We hypothesized that the availability of quick reference cards with proposed V T ranges specific to gender and different heights would reduce the intraoperative use of large V T during prolonged abdominal surgery. We compared retrospectively the incidence of median V T used during prolonged (≥4-h-long) abdominal surgery before ("before") and after ("after") the quick reference V T cards were made available in all anesthesia machines in operating rooms of a single academic US medical center...
November 13, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/29134342/an-introduction-and-overview-of-machine-learning-in-neurosurgical-care
#14
REVIEW
Joeky T Senders, Mark M Zaki, Aditya V Karhade, Bliss Chang, William B Gormley, Marike L Broekman, Timothy R Smith, Omar Arnaout
BACKGROUND: Machine learning (ML) is a branch of artificial intelligence that allows computers to learn from large complex datasets without being explicitly programmed. Although ML is already widely manifest in our daily lives in various forms, the considerable potential of ML has yet to find its way into mainstream medical research and day-to-day clinical care. The complex diagnostic and therapeutic modalities used in neurosurgery provide a vast amount of data that is ideally suited for ML models...
November 13, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29134166/anterior-extension-of-tumor-is-as-important-as-tumor-size-to-facial-nerve-outcome-and-extent-of-resection-for-vestibular-schwannomas
#15
Ricky H Wong, William R Copeland, Jeffrey T Jacob, Sananthan Sivakanthan, Jamie J Van Gompel, Harry van Loveren, Michael J Link, Siviero Agazzi
Objectives  We examined vestibular schwannoma tumor dimension and direction of growth to determine whether these correlate with facial nerve outcome as well as extent of resection (EOR). Design  Retrospective review of prospectively maintained databases. Participants  206 patients were a part of this study. Main Outcome Measures  Tumor dimensions were measured using preoperative magnetic resonance imaging, and a series of ratios were then calculated to further characterize tumor dimension. Regression analyses were performed to investigate correlation with facial nerve outcome and EOR...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29133913/nitric-oxide-mediated-inhibition-of-antigen-presentation-from-dcs-to-cd4-t-cells-in-cancer-and-measurement-of-stat1-nitration
#16
Joseph Markowitz, Jiang Wang, Zach Vangundy, Jia You, Vedat Yildiz, Lianbo Yu, Isaac P Foote, Owen E Branson, Andrew R Stiff, Taylor R Brooks, Brandon Biesiadecki, Thomas Olencki, Susheela Tridandapani, Michael A Freitas, Tracey Papenfuss, Mitch A Phelps, William E Carson
Myeloid derived suppressor cells (MDSC) produce nitric oxide (NO) and inhibit dendritic cell (DC) immune responses in cancer. DCs present cancer cell antigens to CD4(+) T cells through Jak-STAT signal transduction. In this study, NO donors (SNAP and DETA-NONOate) inhibited DC antigen presentation. As expected, MDSC isolated from peripheral blood mononuclear cells (PBMC) from cancer patients produced high NO levels. We hypothesized that NO producing MDSC in tumor-bearing hosts would inhibit DC antigen presentation...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29133902/a-test-of-the-hierarchical-model-of-litter-decomposition
#17
Mark A Bradford, G F Ciska Veen, Anne Bonis, Ella M Bradford, Aimee T Classen, J Hans C Cornelissen, Thomas W Crowther, Jonathan R De Long, Gregoire T Freschet, Paul Kardol, Marta Manrubia-Freixa, Daniel S Maynard, Gregory S Newman, Richard S P Logtestijn, Maria Viketoft, David A Wardle, William R Wieder, Stephen A Wood, Wim H van der Putten
Our basic understanding of plant litter decomposition informs the assumptions underlying widely applied soil biogeochemical models, including those embedded in Earth system models. Confidence in projected carbon cycle-climate feedbacks therefore depends on accurate knowledge about the controls regulating the rate at which plant biomass is decomposed into products such as CO2. Here we test underlying assumptions of the dominant conceptual model of litter decomposition. The model posits that a primary control on the rate of decomposition at regional to global scales is climate (temperature and moisture), with the controlling effects of decomposers negligible at such broad spatial scales...
November 13, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/29133566/use-of-pharmacokinetic-and-pharmacodynamic-analyses-to-determine-the-optimal-fixed-dosing-regimen-of-iclaprim-for-treatment-of-serious-gram-positive-infections
#18
Thomas Lodise, John Bosso, Colleen Kelly, Paul J Williams, James R Lane, David B Huang
Iclaprim is a bacterial dihydrofolate reductase inhibitor that is currently being evaluated in two Phase 3 trials for the treatment of patients with acute bacterial skin and skin structure infections (ABSSSI). Prior animal infection models studies suggest that the pharmacokinetic and pharmacodynamics (PK/PD) drivers for efficacy are area under the curve from 0-24 hours at steady state (AUC0-24hss), AUC/minimum inhibitory concentration (MIC), and time above the MIC during the dosing interval (T > MIC) while QTc prolongation was associated to maximal concentration at steady state (Cmaxss) in a thorough QTc Phase 1 study...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29133356/2017-acc-aha-aapa-abc-acpm-ags-apha-ash-aspc-nma-pcna-guideline-for-the-prevention-detection-evaluation-and-management-of-high-blood-pressure-in-adults-a-report-of-the-american-college-of-cardiology-american-heart-association-task-force-on-clinical-practice
#19
REVIEW
Paul K Whelton, Robert M Carey, Wilbert S Aronow, Donald E Casey, Karen J Collins, Cheryl Dennison Himmelfarb, Sondra M DePalma, Samuel Gidding, Kenneth A Jamerson, Daniel W Jones, Eric J MacLaughlin, Paul Muntner, Bruce Ovbiagele, Sidney C Smith, Crystal C Spencer, Randall S Stafford, Sandra J Taler, Randal J Thomas, Kim A Williams, Jeff D Williamson, Jackson T Wright
No abstract text is available yet for this article.
November 13, 2017: Hypertension
https://www.readbyqxmd.com/read/29133354/2017-acc-aha-aapa-abc-acpm-ags-apha-ash-aspc-nma-pcna-guideline-for-the-prevention-detection-evaluation-and-management-of-high-blood-pressure-in-adults-executive-summary-a-report-of-the-american-college-of-cardiology-american-heart-association-task-force-on
#20
REVIEW
Paul K Whelton, Robert M Carey, Wilbert S Aronow, Donald E Casey, Karen J Collins, Cheryl Dennison Himmelfarb, Sondra M DePalma, Samuel Gidding, Kenneth A Jamerson, Daniel W Jones, Eric J MacLaughlin, Paul Muntner, Bruce Ovbiagele, Sidney C Smith, Crystal C Spencer, Randall S Stafford, Sandra J Taler, Randal J Thomas, Kim A Williams, Jeff D Williamson, Jackson T Wright
No abstract text is available yet for this article.
November 13, 2017: Hypertension
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