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https://www.readbyqxmd.com/read/27913910/a-randomized-trial-of-displaying-paid-price-information-on-imaging-study-and-procedure-ordering-rates
#1
Alyna T Chien, Lisa Soleymani Lehmann, Laura A Hatfield, Kate E Koplan, Carter R Petty, Anna D Sinaiko, Meredith B Rosenthal, Thomas D Sequist
BACKGROUND: Prior studies have demonstrated how price transparency lowers the test-ordering rates of trainees in hospitals, and physician-targeted price transparency efforts have been viewed as a promising cost-controlling strategy. OBJECTIVE: To examine the effect of displaying paid-price information on test-ordering rates for common imaging studies and procedures within an accountable care organization (ACO). DESIGN: Block randomized controlled trial for 1 year...
December 2, 2016: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27913834/key-role-of-pacing-site-as-determinant-factor-of-exercise-testing-performance-in-pediatric-patients-with-chronic-ventricular-pacing
#2
Michel Cabrera Ortega, Hiram Tápanes Duamy, Dunia B Benítez Ramos
Chronic right ventricular (RV) apical pacing has been associated with deterioration of functional capacity and chronotropic incompetence during exercise testing in children. The effects of alternative pacing site on exercise performance in pediatric population remain unknown. We evaluated the influence of ventricular pacing site on exercise capacity in pediatric patients with complete congenital atrioventricular block requiring permanent pacemaker therapy. Sixty-four children paced from RV apex (n = 26), RV midseptum (n = 15) and left ventricular (LV) apex (n = 23) were studied cross-sectionally...
December 2, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27913774/gravity-flow-in-proposed-enteral-tube-small-bore-connectors
#3
Ryan T Hurt, Lisa M Epp, Adele K Pattinson, Wanda M Duellman, Stephen M Corner, Manpreet S Mundi
BACKGROUND: Enteral nutrition (EN) misconnections have been identified as a serious and potential deadly problem. An international effort led by EN industry leaders has developed a small-bore enteral connector (ENFit) that in theory will reduce the frequency of misconnections. Despite the potential benefit of preventing misconnections, the full impact of adoption of the ENFit connector is unknown. To assess the impact of transitioning to ENFit on our home EN (HEN) patients, the current study evaluated gravity feeding comparing 2 proposed small-bore connectors to the legacy (current connector) using various commercial formulas...
December 2, 2016: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/27913417/development-of-an-improved-system-for-the-generation-of-knock-out-mutants-of-amycolatopsis-sp-atcc-39116
#4
Florian Meyer, Hilke Pupkes, Alexander Steinbüchel
The Gram-positive actinomycete Amycolatopsis sp. ATCC 39116 is used for the industrial production of natural vanillin. Previously, the only gene deletion performed in this strain targeted the gene vdh coding for a vanillin dehydrogenase. The generation of this mutant suffered from a high number of illegitimate recombinations and the low rate of homologous recombination. To alleviate this, we constructed an optimized deletion system based on a modified suicide vector. Thereby, we were able to enhance the rate of homologous integration from less than 1% of the analyzed clones to 20% or 50% depending on the targeted gene...
December 2, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27913277/specific-stabilization-of-cftr-by-phosphatidylserine
#5
Ellen Hildebrandt, Netaly Khazanov, John C Kappes, Qun Dai, Hanoch Senderowitz, Ina L Urbatsch
The Cystic Fibrosis Transmembrane Conductance Regulator (CFTR, ABCC7) is a plasma membrane chloride ion channel in the ABC transporter superfamily. CFTR is a key target for cystic fibrosis drug development, and its structural elucidation would advance those efforts. However, the limited in vivo and in vitro stability of the protein, particularly its nucleotide binding domains, has made structural studies challenging. Here we demonstrate that phosphatidylserine uniquely stimulates and thermally stabilizes the ATP hydrolysis function of purified human CFTR...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27912974/pulmonary-function-and-nutritional-morbidity-in-children-and-adolescents-with-congenital-diaphragmatic-hernia
#6
Beth Haliburton, Marialena Mouzaki, Monping Chiang, Vikki Scaini, Margaret Marcon, Wenming Duan, David Wilson, Priscilla Pl Chiu, Theo J Moraes
BACKGROUND: Malnutrition is common among congenital diaphragmatic hernia (CDH) survivors and may result from elevated respiratory effort. We evaluated body mass index (BMI), measured resting energy expenditure (mREE) and pulmonary function test (PFT) results in children and adolescents with CDH to determine if there is a correlation. METHODS: With ethics approval (REB# 1000035323), anthropometrics, indirect calorimetry (IC) results and PFTs were collected from patients 5-17years of age during CDH clinic visits between 2000 and 2016...
November 14, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27912936/effects-of-mind-body-exercises-on-the-physiological-and-psychosocial-well-being-of-individuals-with-parkinson-s-disease-a-systematic-review-and-meta-analysis
#7
REVIEW
JoJo Yan Yan Kwok, Kai Chow Choi, Helen Yue Lai Chan
OBJECTIVES: The effects of mind-body exercises on individuals with chronic illnesses have attracted increasing attention. However, little effort had been made to systematically review the effects of these mind-body exercises on individuals with Parkinson's disease (PD). This review aimed to appraise the current evidence of the effects of mind-body exercises on the physiological and psychological outcomes for the PD population. DESIGN: Systematic review and meta-analysis of randomized controlled trials...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27912915/modeling-sampling-strategies-for-determination-of-zooplankton-abundance-in-ballast-water
#8
Marco R Hernandez, Mattias L Johansson, Yanyu Xiao, Mark A Lewis, Hugh J MacIsaac
Ballast water has been a major source of non-indigenous species introductions. The International Maritime Organization has proposed performance standard that will establish an upper limit for viable organisms in discharged ballast. Here we test different sampling efforts for zooplankton in ballast water on a commercial vessel. We fit different probability density functions to find the most representative and evaluated sampling efforts necessary to achieve error rates (α, β) of <0.05. Our tests encompassed four seasonal trials and five sample volumes...
November 29, 2016: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/27912090/advances-in-zika-virus-research-stem-cell-models-challenges-and-opportunities
#9
REVIEW
Guo-Li Ming, Hengli Tang, Hongjun Song
The re-emergence of Zika virus (ZIKV) and its suspected link with various disorders in newborns and adults led the World Health Organization to declare a global health emergency. In response, the stem cell field quickly established platforms for modeling ZIKV exposure using human pluripotent stem cell-derived neural progenitors and brain organoids, fetal tissues, and animal models. These efforts provided significant insight into cellular targets, pathogenesis, and underlying biological mechanisms of ZIKV infection as well as platforms for drug testing...
December 1, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27911989/a-prospective-cohort-study-of-patients-with-peripheral-t-cell-lymphoma-in-the-united-states
#10
Steven M Horwitz, Lauren C Pinter-Brown, Steven T Rosen, Barbara Pro, Eric D Hsi, Massimo Federico, Christian Gisselbrecht, Marc Schwartz, Lisa A Bellm, Mark A Acosta, Andrei R Shustov, Ranjana H Advani, Tatyana A Feldman, Mary Jo Lechowicz, Sonali M Smith, Frederick Lansigan, Anil Tulpule, Michael D Craig, John P Greer, Brad S Kahl, Joseph W Leach, Neil Morganstein, Carla Casulo, Steven I Park, Francine M Foss
BACKGROUND: Long-term survival in patients with aggressive peripheral T-cell lymphoma (PTCL) is generally poor, and there currently is no clear consensus regarding the initial therapy used for these diseases. Herein, the authors analyzed treatment patterns and outcomes in a prospectively collected cohort of patients with a new diagnosis of nodal PTCL in the United States. METHODS: Comprehensive Oncology Measures for Peripheral T-cell Lymphoma Treatment (COMPLETE) is a prospective multicenter cohort study designed to identify the most common prevailing treatment patterns used for patients newly diagnosed with PTCL in the United States...
December 2, 2016: Cancer
https://www.readbyqxmd.com/read/27911908/uptake-of-community-based-peer-administered-hiv-point-of-care-testing-findings-from-the-proud-study
#11
Lisa Lazarus, Sheetal Patel, Ashley Shaw, Sean Leblanc, Christine Lalonde, Manisha Hladio, Kira Mandryk, Cynthia Horvath, William Petrcich, Claire Kendall, Mark W Tyndall
OBJECTIVES: HIV prevalence among people who inject drugs (PWID) in Ottawa is estimated at about 10%. The successful integration of peers into outreach efforts and wider access to HIV point-of-care testing (POCT) create opportunities to explore the role of peers in providing HIV testing. The PROUD study, in partnership with Ottawa Public Health (OPH), sought to develop a model for community-based peer-administered HIV POCT. METHODS: PROUD draws on community-based participatory research methods to better understand the HIV risk environment of people who use drugs in Ottawa...
2016: PloS One
https://www.readbyqxmd.com/read/27911389/testing-of-nanoparticle-release-from-a-composite-containing-nanomaterial-using-a-chamber-system
#12
Gun Ho Lee, Kang-Ho Ahn, Il Je Yu
With the rapid development of nanotechnology as one of the most important technologies in the 21(st) century, interest in the safety of consumer products containing nanomaterials is also increasing. Evaluating the nanomaterial release from products containing nanomaterials is a crucial step in assessing the safety of these products, and has resulted in several international efforts to develop consistent and reliable technologies for standardizing the evaluation of nanomaterial release. In this study, the release of nanomaterials from products containing nanomaterials is evaluated using a chamber system that includes a condensation particle counter, optical particle counter, and sampling ports to collect filter samples for electron microscopy analysis...
November 22, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911388/high-throughput-real-time-dual-readout-testing-of-intracellular-antimicrobial-activity-and-eukaryotic-cell-cytotoxicity
#13
Lucius Chiaraviglio, Yoon-Suk Kang, James E Kirby
Traditional measures of intracellular antimicrobial activity and eukaryotic cell cytotoxicity rely on endpoint assays. Such endpoint assays require several additional experimental steps prior to readout, such as cell lysis, colony forming unit determination, or reagent addition. When performing thousands of assays, for example, during high-throughput screening, the downstream effort required for these types of assays is considerable. Therefore, to facilitate high-throughput antimicrobial discovery, we developed a real-time assay to simultaneously identify inhibitors of intracellular bacterial growth and assess eukaryotic cell cytotoxicity...
November 16, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911221/the-effect-of-a-third-party-observer-and-trait-anxiety-on-neuropsychological-performance-the-attentional-control-theory-act-perspective
#14
Fatemeh Rezaei, Nasrin Alsadat Hosseini Ramaghani, Rachel L Fazio
OBJECTIVE: Studies have reported that the presence of a third party observer (TPO) during neuropsychological assessments negatively affects the test performance of the examinee. The present study aimed to investigate the effects of a TPO and trait anxiety on neuropsychological performance according to Attentional Control Theory (ACT). METHOD: A sample of college students was recruited (n = 318) and then 80 participants were selected to represent the high and low trait anxiety groups...
December 2, 2016: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/27911089/don-t-say-that-to-me-opposition-to-targeting-in-weight-centric-intervention-messages
#15
Becky Robinson, Samantha Coveleski
Obesity is a global health issue. Despite well-intentioned efforts by public institutions, traditional health promotion techniques often lead to offending those most in need of weight loss. For example, when Bryn Mawr College targeted overweight students to offer a free fitness and nutrition program, it was met with accusations of fat-shaming, indicating that weight-centric messages operate in a more complex sociocultural system than many public health concerns. To better understand reactions to weight-centric health messages, college-aged women evaluated the Bryn Mawr College e-mail...
December 2, 2016: Health Communication
https://www.readbyqxmd.com/read/27910837/accurate-and-efficient-representation-of-intramolecular-energy-in-ab-initio-generation-of-crystal-structures-i-adaptive-local-approximate-models
#16
Isaac Sugden, Claire S Adjiman, Constantinos C Pantelides
The global search stage of crystal structure prediction (CSP) methods requires a fine balance between accuracy and computational cost, particularly for the study of large flexible molecules. A major improvement in the accuracy and cost of the intramolecular energy function used in the CrystalPredictor II [Habgood et al. (2015). J. Chem. Theory Comput. 11, 1957-1969] program is presented, where the most efficient use of computational effort is ensured via the use of adaptive local approximate model (LAM) placement...
December 1, 2016: Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
https://www.readbyqxmd.com/read/27909934/current-achievements-and-future-perspectives-of-metronomic-chemotherapy
#17
REVIEW
Adriana Romiti, Rosa Falcone, Michela Roberto, Paolo Marchetti
In recent years, many anticancer drugs have been tested at metronomic dosages for a variety of tumours. Mechanisms of action attributed to metronomic chemotherapy (MCT) include antiangiogenesis, immunomodulation, direct inhibition of tumour growth, effect on tumour initiating cells and the modulation of clonal evolution. An active clinical research, aimed at testing MCT in several cancers, has been conducted over the past 15 years. However, because the majority of available results come from earlier phase II studies, mainly performed in the area of breast cancer (BC), it is clear that there are areas still to be investigated...
December 1, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27908900/democratic-therapeutic-community-treatment-for-personality-disorder-randomised-controlled-trial
#18
Steve Pearce, Lisle Scott, Gillian Attwood, Kate Saunders, Madeleine Dean, Ritz De Ridder, David Galea, Haroula Konstantinidou, Mike Crawford
BACKGROUND: Democratic therapeutic community (DTC) treatment has been used for many years in an effort to help people with personality disorder. High-quality evidence from randomised controlled trials (RCTs) is absent. AIMS: To test whether DTC treatment reduces use of in-patient services and improves the mental health of people with personality disorder. METHOD: An RCT of 70 people meeting DSM-IV criteria for personality disorder (trial registration: ISRCTN57363317)...
December 1, 2016: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/27908833/pilot-evaluation-of-a-method-to-assess-prescribers-information-processing-of-medication-alerts
#19
Alissa L Russ, Brittany L Melton, Joanne K Daggy, Jason J Saleem
BACKGROUND: Prescribers commonly receive alerts during medication ordering. Prescribers work in a complex, time-pressured environment; to enhance the effectiveness of safety alerts, the effort needed to cognitively process these alerts should be minimized. Methods to evaluate the extent to which computerized alerts support prescribers' information processing are lacking. OBJECTIVE: To develop a methodological protocol to assess the extent to which alerts support prescribers' information processing at-a-glance; specifically, the incorporation of information into working memory...
November 28, 2016: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/27908746/willingness-to-pay-for-a-dengue-vaccine-and-its-associated-determinants-in-indonesia-a-community-based-cross-sectional-survey-in-aceh
#20
Harapan Harapan, Samsul Anwar, Aslam Bustaman, Arsil Radiansyah, Pradiba Angraini, Riny Fasli, Salwiyadi Salwiyadi, Reza Akbar Bastian, Ade Oktiviyari, Imaduddin Akmal, Muhammad Iqbalamin, Jamalul Adil, Fenni Henrizal, Darmayanti Darmayanti, Mahmuda Mahmuda, Mudatsir Mudatsir, Allison Imrie, R Tedjo Sasmono, Ulrich Kuch, Ziv Shkedy, Setia Pramana
Vaccination strategies are being considered as a part of dengue prevention programs in endemic countries. To accelerate the introduction of dengue vaccine into the public sector program and private markets, understanding the private economic benefits of a dengue vaccine is therefore essential. The aim of this study was to assess the willingness to pay (WTP) for a dengue vaccine among community members in Indonesia and its associated explanatory variables. A community-based, cross-sectional survey was conducted in nine regencies of Aceh province, Indonesia, from November 2014 to March 2015...
November 28, 2016: Acta Tropica
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