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https://www.readbyqxmd.com/read/28231519/carotid-systolic-flow-time-with-passive-leg-raise-correlates-with-fluid-status-changes-in-patients-undergoing-dialysis
#1
Pavel Antiperovitch, Eduard Iliescu, Barry Chan
Corrected carotid systolic flow time (CFTc) has been proposed as a measure of volume status in acutely ill patients. This study endeavors to determine whether the change in CFTc with passive leg raise (PLR) maneuver correlates with volume status changes. Dialysis patients at Kingston General Hospital (Kingston, Canada) underwent point-of-care carotid ultrasonography at the beginning and the end of dialysis. With each measurement, 2 values were recorded: the absolute CFTc, and the difference in CFTc before and after the PLR maneuver...
February 10, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28231118/consumer-choice-between-food-safety-and-food-quality-the-case-of-farm-raised-atlantic-salmon
#2
Morteza Haghiri
Since the food incidence of polychlorinated biphenyls in farm-raised Atlantic salmon, its market demand has drastically changed as a result of consumers mistrust in both the quality and safety of the product. Policymakers have been trying to find ways to ensure consumers that farm-raised Atlantic salmon is safe. One of the suggested policies is the implementation of integrated traceability methods and quality control systems. This article examines consumer choice between food safety and food quality to purchase certified farm-raised Atlantic salmon, defined as a product that has passed through various stages of traceability systems in the province of Newfoundland and Labrador, Canada...
March 25, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231088/health-promoting-compounds-in-pigmented-thai-and-wild-rice
#3
Valentina Melini, Rita Acquistucci
Organic pigmented Thai rice and wild rice are commonly available in specialized Italian markets and food shops, and they are gaining popularity among consumers demanding healthy foods. Indeed, the typical colour of kernels, which is the unique characteristic of pigmented cereals, is due to the accumulation of pigments that are also responsible for a number of healthy effects. The aim of this study was to provide a portrait of two organic pigmented Thai rice varieties from Thailand and one wild rice variety from Canada, imported into Italy and at Italian consumers' disposal...
January 20, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230049/broad-scale-lake-expansion-and-flooding-inundates-essential-wood-bison-habitat
#4
Jennifer B Korosi, Joshua R Thienpont, Michael F J Pisaric, Peter deMontigny, Joelle T Perreault, Jamylynn McDonald, Myrna J Simpson, Terry Armstrong, Steven V Kokelj, John P Smol, Jules M Blais
Understanding the interaction between the response of a complex ecosystem to climate change and the protection of vulnerable wildlife species is essential for conservation efforts. In the Northwest Territories (Canada), the recent movement of the Mackenzie wood bison herd (Bison bison athabascae) out of their designated territory has been postulated as a response to the loss of essential habitat following regional lake expansion. We show that the proportion of this landscape occupied by water doubled since 1986 and the timing of lake expansion corresponds to bison movements out of the Mackenzie Bison Sanctuary...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28229951/chemical-and-toxicological-characterizations-of-hydraulic-fracturing-flowback-and-produced-water
#5
Yuhe He, Shannon L Flynn, Erik J Folkerts, Yifeng Zhang, Dongliang Ruan, Daniel S Alessi, Jonathan W Martin, Greg G Goss
Hydraulic fracturing (HF) has emerged as a major method of unconventional oil and gas recovery. The toxicity of hydraulic fracturing flowback and produced water (HF-FPW) has not been previously reported and is complicated by the combined complexity of organic and inorganic constituents in HF fluids and deep formation water. In this study, we characterized the solids, salts, and organic signatures in an HF-FPW sample from the Duvernay Formation, Alberta, Canada. Untargeted HPLC-Orbitrap revealed numerous unknown dissolved polar organics...
February 14, 2017: Water Research
https://www.readbyqxmd.com/read/28229892/safety-and-efficacy-of-opicinumab-in-acute-optic-neuritis-renew-a-randomised-placebo-controlled-phase-2-trial
#6
Diego Cadavid, Laura Balcer, Steven Galetta, Orhan Aktas, Tjalf Ziemssen, Ludo Vanopdenbosch, Jette Frederiksen, Mark Skeen, Glenn J Jaffe, Helmut Butzkueven, Focke Ziemssen, Luca Massacesi, Yi Chai, Lei Xu, Stefanie Freeman
BACKGROUND: The human monoclonal antibody opicinumab (BIIB033, anti-LINGO-1) has shown remyelinating activity in preclinical studies. We therefore assessed the safety and tolerability, and efficacy of opicinumab given soon after a first acute optic neuritis episode. METHODS: This randomised, double-blind, placebo-controlled, phase 2 study (RENEW) was done at 33 sites in Australia, Canada, and Europe in participants (aged 18-55 years) with a first unilateral acute optic neuritis episode within 28 days from study baseline...
March 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28229211/multicenter-international-experience-of-532%C3%A2-nm-laser-photo-vaporization-with-greenlight-xps-in-men-with-large-prostates-prostate-volume%C3%A2-%C3%A2-100%C3%A2-cc
#7
Malek Meskawi, Pierre-Alain Hueber, Roger Valdivieso, Franck Bruyere, Vincent Misrai, Georges Fournier, Ravi Munver, Ganesh Sivarajan, Matthew Rutman, Alexis E Te, Bilal Chughtai, Dean Elterman, Tristan Martel, Mounsif Azizi, Pierre I Karakiewicz, Kevin C Zorn
PURPOSE: To evaluate the outcomes and durability of photoselective vaporization of the prostate (PVP) using the XPS-180 system in patients with a large prostate volume (PV) > 100 cc at 4 years of follow-up in a large, multicenter experience. METHODS: 438 men with pre-operative transrectal ultrasound (TRUS) PV > 100 cc were treated in eight experienced centers in Canada, USA, and in France with the Greenlight XPS laser using PVP for the treatment of symptomatic BPH...
February 22, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28228948/health-system-frameworks-and-performance-indicators-in-eight-countries-a-comparative-international-analysis
#8
Jeffrey Braithwaite, Peter Hibbert, Brette Blakely, Jennifer Plumb, Natalie Hannaford, Janet Cameron Long, Danielle Marks
OBJECTIVES: Performance indicators are a popular mechanism for measuring the quality of healthcare to facilitate both quality improvement and systems management. Few studies make comparative assessments of different countries' performance indicator frameworks. This study identifies and compares frameworks and performance indicators used in selected Organisation for Economic Co-operation and Development health systems to measure and report on the performance of healthcare organisations and local health systems...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28228675/new-species-of-habronattus-and-pellenes-jumping-spiders-araneae-salticidae-harmochirina
#9
Wayne P Maddison
The harmochirine jumping spiders include the New World Habronattus, notable for their complex courtship displays, and Pellenes, found throughout the Old World and North America. Five new species of Habronattus and one new species of Pellenes are here described from North America: Habronattus aestus, sp. n., Habronattus chamelasp. n., Habronattus empyrussp. n., Habronattus luminosussp. n., Habronattus robertisp. n., and Pellenes canadensissp. n. For each of the new species, photographs of living specimens are given, as well as notes on habitat...
2017: ZooKeys
https://www.readbyqxmd.com/read/28228640/autosomal-dominant-cutis-laxa-with-progeroid-features-due-to-a-novel-de-novo-mutation-in-aldh18a1
#10
Priya T Bhola, Taila Hartley, Eric Bareke, Kym M Boycott, Sarah M Nikkel, David A Dyment
De novo dominant mutations in the aldehyde dehydrogenase 18 family member A1 (ALDH18A1) gene have recently been shown to cause autosomal dominant cutis laxa with progeroid features (MIM 616603). To date, all de novo dominant mutations have been found in a single highly conserved amino acid residue at position p.Arg138. We report an 8-year-old male with a clinical diagnosis of autosomal dominant cutis laxa (ADCL) with progeroid features and a novel de novo missense mutation in ALDH18A1 (NM_002860.3: c.377G>A (p...
February 23, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28228492/neisseria-gonorrhoeae-sequence-typing-for-antimicrobial-resistance-ng-star-a-novel-antimicrobial-resistance-multilocus-typing-scheme-for-tracking-the-global-dissemination-of-n-gonorrhoeae-strains
#11
W Demczuk, S Sidhu, M Unemo, D M Whiley, V G Allen, J R Dillon, M Cole, C Seah, E Trembizki, D L Trees, E N Kersh, A J Abrams, H J C de Vries, A P van Dam, I Medina, A Bharat, M R Mulvey, G Van Domselaar, I Martin
A curated web-based user-friendly sequence typing tool based on antimicrobial resistance determinants in Neisseria gonorrhoeae was developed and is publicly accessible at https://ngstar.canada.ca The N. gonorrhoeae Sequence Typing for Antimicrobial Resistance (NG-STAR) molecular typing scheme uses the DNA sequences of 7 genes (penA, mtrR, porB, ponA, gyrA, parC, 23S rRNA) associated with resistance to β-lactam antimicrobials, macrolides, or fluoroquinolones. NG-STAR uses the entire penA sequence combining the historical nomenclature for penA types I-XXXVIII with novel nucleotide sequence designations; the full mtrR sequence and a portion of its promoter region; portions of ponA, porB, gyrA and parC; and 23S rRNA sequences...
February 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28228380/off-label-indications-for-antidepressants-in-primary-care-descriptive-study-of-prescriptions-from-an-indication-based-electronic-prescribing-system
#12
Jenna Wong, Aude Motulsky, Michal Abrahamowicz, Tewodros Eguale, David L Buckeridge, Robyn Tamblyn
Objective To examine off-label indications for antidepressants in primary care and determine the level of scientific support for off-label prescribing.Design Descriptive study of antidepressant prescriptions written by primary care physicians using an indication based electronic prescribing system.Setting Primary care practices in and around two major urban centres in Quebec, Canada.Participants Patients aged 18 years or older who visited a study physician between 1 January 2003 and 30 September 2015 and were prescribed an antidepressant through the electronic prescribing system...
February 21, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28228372/progress-in-the-enhanced-use-of-electronic-medical-records-data-from-the-ontario-experience
#13
Mavis Jones, Chad Koziel, Darren Larsen, Plumaletta Berry, Elena Kubatka-Willms
BACKGROUND: This paper describes a change management strategy, including a self-assessment survey tool and electronic medical record (EMR) maturity model (EMM), developed to support the adoption and implementation of EMRs among community-based physicians in the province of Ontario, Canada. OBJECTIVE: The aim of our study was to present an analysis of progress in EMR use in the province of Ontario based on data from surveys completed by over 4000 EMR users. METHODS: The EMM and the EMR progress report (EPR) survey tool clarify levels of capability and expected benefits of improved use...
February 22, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28228183/hospitalizations-associated-with-salmonellosis-among-seniors-in-canada-2000-2010
#14
P Turgeon, R Murray, A Nesbitt
Salmonella is one of the most prevalent bacteria associated with enteric illness in Canada and seniors are considered a vulnerable population more likely to develop severe illness. In the coming decades, hospitalizations and deaths associated with Salmonella in seniors could represent a challenge due to an aging population in Canada. The numbers of non-typhoidal (NT) Salmonella-related hospitalizations from the Canadian Hospitalization Morbidity Database were analysed for a period of 10 years for seniors. Hospitalization rate calculations and descriptive analyses were performed on variables associated with the burden of hospitalization and compared with the adult age group...
February 23, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28228138/current-management-practices-for-patients-presenting-with-low-back-pain-to-a-large-emergency-department-in-canada
#15
Matthew L Nunn, Jill A Hayden, Kirk Magee
BACKGROUND: Low back pain (LBP) is one of the leading causes of disability. Presentations to the emergency department (ED) are common and consume significant healthcare resources. However, treatment of patients with LBP is variable and highly physician dependent. Our study objective was to describe the demographic and clinical characteristics of patients presenting to the ED with LBP, the diagnostic strategies employed by ED physicians, and the subsequent management. METHODS: We conducted a retrospective study using clinical and electronic health data at the Queen Elizabeth II Health Science Center's Charles V...
February 23, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28228122/high-dose-chemotherapy-and-autologous-stem-cell-transplantation-of-patients-with-multiple-myeloma-in-an-outpatient-setting
#16
Katharina Lisenko, Sandra Sauer, Thomas Bruckner, Gerlinde Egerer, Hartmut Goldschmidt, Jens Hillengass, Johann W Schmier, Sofia Shah, Mathias Witzens-Harig, Anthony D Ho, Patrick Wuchter
BACKGROUND: High-dose (HD) chemotherapy with melphalan and autologous blood stem cell transplantation (ABSCT) for treatment of symptomatic multiple myeloma (MM) on an outpatient basis has been well established in the USA and Canada, whereas in Germany and Western Europe an inpatient setting is the current standard. We report on a German single-centre program to offer the procedure on an outpatient basis to selected patients. METHODS: Major requirements included: patients had to have family and/or other caregivers, had to be able to reach the hospital within 45 min and have an ECOG performance score of 0-1...
February 22, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28228106/long-term-treatment-with-ruxolitinib-for-patients-with-myelofibrosis-5-year-update-from-the-randomized-double-blind-placebo-controlled-phase-3-comfort-i-trial
#17
Srdan Verstovsek, Ruben A Mesa, Jason Gotlib, Vikas Gupta, John F DiPersio, John V Catalano, Michael W N Deininger, Carole B Miller, Richard T Silver, Moshe Talpaz, Elliott F Winton, Jimmie H Harvey, Murat O Arcasoy, Elizabeth O Hexner, Roger M Lyons, Ronald Paquette, Azra Raza, Mark Jones, Deanna Kornacki, Kang Sun, Hagop Kantarjian
BACKGROUND: The randomized, double-blind, placebo-controlled, phase 3 COMFORT-I trial evaluated the JAK1/JAK2 inhibitor ruxolitinib in patients with intermediate-2/high-risk myelofibrosis. The primary and planned 3-year analyses of COMFORT-I data demonstrated that ruxolitinib-the first myelofibrosis-approved therapy-reduced splenomegaly and prolonged overall survival versus placebo. Here, we present the final 5-year results. METHODS: Patients managed in Australia, Canada, and the USA were randomized centrally (interactive voice response system) 1:1 to oral ruxolitinib twice daily (15 or 20 mg per baseline platelet counts) or placebo...
February 22, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28226258/a-new-hypervolume-approach-for-assessing-environmental-risks
#18
Denys Yemshanov, Frank H Koch, Bo Lu, Ronald Fournier, Gericke Cook, Jean J Turgeon
Assessing risks of uncertain but potentially damaging events, such as environmental disturbances, disease outbreaks and pest invasions, is a key analytical step that informs subsequent decisions about how to respond to these events. We present a continuous risk measure that can be used to assess and prioritize environmental risks from uncertain data in a geographical domain. The metric is influenced by both the expected magnitude of risk and its uncertainty. We demonstrate the approach by assessing risks of human-mediated spread of Asian longhorned beetle (ALB, Anoplophora glabripennis) in Greater Toronto (Ontario, Canada)...
February 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28225783/heart-and-skeletal-muscle-inflammation-hsmi-disease-diagnosed-on-a-british-columbia-salmon-farm-through-a-longitudinal-farm-study
#19
Emiliano Di Cicco, Hugh W Ferguson, Angela D Schulze, Karia H Kaukinen, Shaorong Li, Raphaël Vanderstichel, Øystein Wessel, Espen Rimstad, Ian A Gardner, K Larry Hammell, Kristina M Miller
Heart and skeletal muscle inflammation (HSMI) is an emerging disease of marine-farmed Atlantic Salmon (Salmo salar), first recognized in 1999 in Norway, and later also reported in Scotland and Chile. We undertook a longitudinal study involving health evaluation over an entire marine production cycle on one salmon farm in British Columbia (Canada). In previous production cycles at this farm site and others in the vicinity, cardiac lesions not linked to a specific infectious agent or disease were identified. Histologic assessments of both live and moribund fish samples collected at the farm during the longitudinal study documented at the population level the development, peak, and recovery phases of HSMI...
2017: PloS One
https://www.readbyqxmd.com/read/28225780/cancer-prevalence-incidence-and-mortality-in-people-who-experience-incarceration-in-ontario-canada-a-population-based-retrospective-cohort-study
#20
Fiona G Kouyoumdjian, Lucie Pivnick, Kathryn E McIsaac, Andrew S Wilton, Aisha Lofters, Stephen W Hwang
INTRODUCTION: Evidence suggests that many risk factors for cancer are overrepresented in people who experience incarceration, and data on cancer epidemiology are limited for this population. We aimed to describe cancer prevalence, incidence and mortality in adults admitted to provincial custody in Ontario, Canada in 2000. METHODS: We linked data on 48,166 adults admitted to provincial custody in Ontario in 2000 with Ontario Cancer Registry data to 2012. We calculated cancer prevalence in the 10 years prior to admission to custody in 2000, incidence between 2000 and 2012 and mortality between 2000 and 2011...
2017: PloS One
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