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https://www.readbyqxmd.com/read/29166006/coptem-a-model-to-investigate-the-factors-driving-crude-oil-pipeline-transportation-emissions
#1
Nicolas Choquette-Levy, Margaret Zhong, Heather L MacLean, Joule A Bergerson
Previous transportation fuel life cycle assessment studies have not fully accounted for the full variability in the crude oil transport stage - e.g. transporting a light crude through a high-diameter pipeline, vs. transporting a heavy crude through a small-diameter pipeline. We develop a first principles, fluid mechanics-based crude oil pipeline transportation emissions model (COPTEM) that calculates the greenhouse gas (GHG) emissions associated with pipeline transport as a function of crude oil parameters, pipeline dimensions, and external factors...
November 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29163125/-cerebellar-challenge-for-older-adults-evaluation-of-a-home-based-internet-intervention
#2
Zoe Gallant, Roderick I Nicolson
There is converging evidence that maintenance of function in the multiple connectivity networks involving the cerebellum is a key requirement for healthy aging. The present study evaluated the effectiveness of a home-based, internet-administered "cerebellar challenge" intervention designed to create progressive challenges to vestibular function, multi-tasking, and dynamic coordination. Participants (n = 98, mean age 68.2, SD 6.6) were randomly allocated to either intervention (the cerebellar challenge training for 10 weeks) or no intervention...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29162640/outcomes-of-a-clinical-pathway-to-standardize-use-of-maintenance-intravenous-fluids
#3
Sahar N Rooholamini, Holly Clifton, Wren Haaland, Caitlin McGrath, Surabhi B Vora, Claudia S Crowell, Holly Romero, Jeffrey Foti
OBJECTIVES: Improper use of maintenance intravenous fluids (IVFs) may cause serious hospital-acquired harm. We created an evidence-based clinical pathway to guide providers on the indications for IVF, its preferred composition, and appropriate clinical monitoring. METHODS: Pathway implementation was supported by the creation of an electronic order set (PowerPlan) and hospital-wide education. Outcomes were measured among pathway-eligible patients for the years before (July 1, 2014-June 30, 2015) and after (July 1, 2015-June 30, 2016) implementation...
November 21, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/29162639/at-what-point-is-the-accumulated-evidence-sufficient-to-change-maintenance-intravenous-fluid-prescribing-practice-in-children-how-about-yesterday
#4
Jeremy N Friedman
No abstract text is available yet for this article.
November 21, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/29159903/soluble-mhc-molecules-in-immune-regulation-highlighting-class-ii-antigens
#5
REVIEW
Katerina Bakela, Irene Athanassakis
The involvement of Major histocompatibility complex (MHC) antigens in the development and regulation of immune response has been well defined over the years, starting from maturation, antigenic peptide loading, migration to the cell membrane for recognition by the T cell receptor and recycling for immune response cessation. During this intracellular trafficking, MHC antigens find a way to be excreted by the cells, since they can be found as soluble MHC class I (sMHCI) and class II (sMHCII) molecules in all body fluids...
November 21, 2017: Immunology
https://www.readbyqxmd.com/read/29158473/notch1-is-a-mechanosensor-in-adult-arteries
#6
Julia J Mack, Thiago S Mosqueiro, Brian J Archer, William M Jones, Hannah Sunshine, Guido C Faas, Anais Briot, Raquel L Aragón, Trent Su, Milagros C Romay, Austin I McDonald, Cheng-Hsiang Kuo, Carlos O Lizama, Timothy F Lane, Ann C Zovein, Yun Fang, Elizabeth J Tarling, Thomas Q de Aguiar Vallim, Mohamad Navab, Alan M Fogelman, Louis S Bouchard, M Luisa Iruela-Arispe
Endothelial cells transduce mechanical forces from blood flow into intracellular signals required for vascular homeostasis. Here we show that endothelial NOTCH1 is responsive to shear stress, and is necessary for the maintenance of junctional integrity, cell elongation, and suppression of proliferation, phenotypes induced by laminar shear stress. NOTCH1 receptor localizes downstream of flow and canonical NOTCH signaling scales with the magnitude of fluid shear stress. Reduction of NOTCH1 destabilizes cellular junctions and triggers endothelial proliferation...
November 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/29151001/intravenous-fluid-therapy-for-hospitalized-and-critically-ill-children-rationale-available-drugs-and-possible-side-effects
#7
Thomas Langer, Rosamaria Limuti, Concezione Tommasino, Niels van Regenmortel, Els L I M Duval, Pietro Caironi, Manu L N G Malbrain, Antonio Pesenti
Human beings are constituted mainly of water. In particular, children's total body water might reach 75-80% of their body weight, compared to 60-70% in adults. It is therefore not surprising, that children, especially hospitalized newborns and infants, are markedly prone to water and electrolyte imbalances. Parenteral fluid therapy is a cornerstone of medical treatment and is thus of exceptional relevance in this patient population. It is crucial to appreciate the fact that intravenous fluids are drugs with very different characteristics, different indications, contraindications and relevant side effects...
November 18, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/29141865/development-and-plasticity-of-meningeal-lymphatic-vessels
#8
Salli Antila, Sinem Karaman, Harri Nurmi, Mikko Airavaara, Merja H Voutilainen, Thomas Mathivet, Dmitri Chilov, Zhilin Li, Tapani Koppinen, Jun-Hee Park, Shentong Fang, Aleksanteri Aspelund, Mart Saarma, Anne Eichmann, Jean-Léon Thomas, Kari Alitalo
The recent discovery of meningeal lymphatic vessels (LVs) has raised interest in their possible involvement in neuropathological processes, yet little is known about their development or maintenance. We show here that meningeal LVs develop postnatally, appearing first around the foramina in the basal parts of the skull and spinal canal, sprouting along the blood vessels and cranial and spinal nerves to various parts of the meninges surrounding the central nervous system (CNS). VEGF-C, expressed mainly in vascular smooth muscle cells, and VEGFR3 in lymphatic endothelial cells were essential for their development, whereas VEGF-D deletion had no effect...
November 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29134981/biochemical-hormonal-and-histological-changes-in-prostate-of-wistar-rats-following-long-term-streptozotocin-induced-diabetes-mellitus
#9
Bosede Popoola, Olivia Ashefor, Olubukola Akanni, Oluwatosin Adaramoye
Diabetes mellitus (DM) is characterized by hyperglycemia and endocrine disorder. Diabetes mellitus is knownto promote male infertility by affecting sperm quality through altered steroidogenesis. The role of prostatic fluid in maintenance of sperm quality have been established. However, the effect of DM on prostate health is poorly understood.This study was designed to investigate the biochemical, hormonal and histological changes in prostate of male Wistar ratsafter 3- and 5-months DM. Twenty-six adult male Wistar rats were assigned into three groups...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29132842/-a-comparison-of-post-surgical-plasma-glucose-levels-in-patients-on-fluids-with-different-glucose-concentrations
#10
Isabel Martínez Carapeto, José Domingo López Castilla, Reyes Fresneda Gutiérrez
OBJECTIVE: To compare plasma glucose levels and incidence of hyperglycaemia in the post-operative period after general surgery using fluids with different glucose. METHODOLOGY: A randomised, open-label, non-blind, clinical trial was conducted on patients admitted to Paediatric Intensive Care Unit after elective surgery. The inclusion criteria were from 6 months to 14 years of age, with a weight greater than 6kg, onset glucose level >60mg/dL, and a signed informed consent, with no oral intake and maintenance intravenous fluid therapy using fluids with 3...
November 11, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29129410/iron-metabolism-and-the-role-of-the-iron-regulating-hormone-hepcidin-in-health-and-disease
#11
Raed Daher, Hana Manceau, Zoubida Karim
Although iron is vital, its free form is likely to be involved in oxidation-reduction reactions, leading to the formation of free radicals and oxidative stress. Living organisms have developed protein systems to transport free iron through the cell membranes and biological fluids and store it in a non-toxic and readily mobilizable form to avoid iron toxicity. Hepcidin plays a crucial role in maintaining iron homeostasis. Hepcidin expression is directly regulated by variations in iron intake and its repression leads to an increase in bioavailable serum iron level...
November 9, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/29121319/should-we-use-hypotonic-or-isotonic-maintenance-intravenous-fluids-in-sick-patients-why-a-study-in-healthy-volunteers-will-not-provide-the-answer-response-to-effect-of-isotonic-versus-hypotonic-maintenance-fluid-therapy-on-urine-output-fluid-balance-and-electrolyte
#12
https://www.readbyqxmd.com/read/29113094/pediatric-chronic-intestinal-failure-in-italy-report-from-the-2016-survey-on-behalf-of-italian-society-for-gastroenterology-hepatology-and-nutrition-sigenp
#13
Antonella Diamanti, Teresa Capriati, Paolo Gandullia, Grazia Di Leo, Antonella Lezo, Laura Lacitignola, Maria Immacolata Spagnuolo, Simona Gatti, Lorenzo D'Antiga, Giovanna Verlato, Paola Roggero, Sergio Amarri, Maria Elisabetta Baldassarre, Francesco Cirillo, Domenica Elia, Renata Boldrini, Angelo Campanozzi, Carlo Catassi, Marina Aloi, Claudio Romano, Manila Candusso, Nicola Cecchi, Tommaso Bellini, Elaine Tyndall, Fabio Fusaro, Tamara Caldaro, Daniele Alberti, Piergiorgio Gamba, Mario Lima, Pietro Bagolan, Jean De Ville de Goyet, Luigi Dall'Oglio, Marco Spada, Francesca Grandi
BACKGROUND: Intestinal failure (IF) is the reduction in functioning gut mass below the minimal level necessary for adequate digestion and absorption of nutrients and fluids for weight maintenance in adults or for growth in children. There is a paucity of epidemiologic data on pediatric IF. The purpose of this study was to determine the prevalence, incidence, regional distribution and underlying diagnosis of pediatric chronic IF (CIF) requiring home parenteral nutrition (HPN) in Italy...
November 5, 2017: Nutrients
https://www.readbyqxmd.com/read/29077831/effect-of-isotonic-vs-hypotonic-maintenance-fluid-therapy-on-urine-output-fluid-balance-and-electrolyte-homeostasis-a-crossover-study-in-fasting-adult-volunteers-reply-from-the-authors
#14
N Van Regenmortel, P G Jorens
No abstract text is available yet for this article.
November 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29077830/hypotonic-maintenance-i-v-fluids-are-not-appropriate-in-acutely-ill-patients-conclusions-can-t-be-extrapolated-from-healthy-volunteers
#15
M L Moritz, J C Ayus
No abstract text is available yet for this article.
November 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29068831/crystalloid-versus-colloid-for-intraoperative-goal-directed-fluid-therapy-using-a-closed-loop-system-a-randomized-double-blinded-controlled-trial-in-major-abdominal-surgery
#16
Alexandre Joosten, Amelie Delaporte, Brigitte Ickx, Karim Touihri, Ida Stany, Luc Barvais, Luc Van Obbergh, Patricia Loi, Joseph Rinehart, Maxime Cannesson, Philippe Van der Linden
BACKGROUND: The type of fluid and volume regimen given intraoperatively both can impact patient outcome after major surgery. This two-arm, parallel, randomized controlled, double-blind, bi-center superiority study tested the hypothesis that when using closed-loop assisted goal-directed fluid therapy, balanced colloids are associated with fewer postoperative complications compared to balanced crystalloids in patients having major elective abdominal surgery. METHODS: One hundred and sixty patients were enrolled in the protocol...
October 25, 2017: Anesthesiology
https://www.readbyqxmd.com/read/29064180/a-service-review-to-assess-if-innovative-intensive-phosphate-dietary-education-can-help-reduce-phosphate-levels-to-the-recommended-range-in-a-hemodialysis-population
#17
Eileen A Duff, Fiona M Chawke
INTRODUCTION: Studies suggest that hemodialysis (HD) patients are less likely to adhere to phosphate dietary restriction than to potassium, sodium, or fluid restriction. It is particularly important that dietary education is provided appropriately, consistently, and reinforced regularly to encourage compliance with diet and phosphate-binder regimens. Patient awareness of the consequences of a chronically raised phosphate and its treatment is associated with lower serum phosphate levels...
October 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29063093/nmr-window-of-molecular-complexity-showing-homeostasis-in-superorganisms
#18
REVIEW
Jun Kikuchi, Shunji Yamada
NMR offers tremendous advantages in the analyses of molecular complexity, such as crude bio-fluids, bio-extracts, and intact cells and tissues. Here we introduce recent applications of NMR approaches, as well as next generation sequencing (NGS), for the evaluation of human and environmental health (i.e., maintenance of a homeostatic state) based on metabolic and microbial profiling and data science. We describe useful databases and web tools that are used to support these studies by facilitating the characterization of metabolites from complex NMR spectra...
October 24, 2017: Analyst
https://www.readbyqxmd.com/read/29058940/much-ado-about-aha-insight-problem-solving-is-strongly-related-to-working-memory-capacity-and-reasoning-ability
#19
Adam Chuderski, Jan Jastrzębski
A battery comprising 4 fluid reasoning tests as well as 13 working memory (WM) tasks that involved storage, recall, updating, binding, and executive control, was applied to 318 adults in order to evaluate the true relationship of reasoning ability and WM capacity (WMC) to insight problem solving, measured using 40 verbal, spatial, math, matchstick, and remote associates problems (insight problems). WMC predicted 51.8% of variance in insight problem solving and virtually explained its almost isomorphic link to reasoning ability (84...
October 23, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/29049308/the-relationship-between-intradialytic-hypotension-and-vascular-calcification-in-hemodialysis-patients
#20
AJin Cho, Young-Ki Lee, Jieun Oh, Jong-Woo Yoon, Dong Ho Shin, Hee Jung Jeon, Myung-Jin Choi, Jung-Woo Noh
BACKGROUND: Vascular calcification is associated with structural and functional abnormality of the heart and blood vessels. We investigated the relationship between intradialytic hypotension (IDH) and vascular calcification in hemodialysis (HD) patients, and their impacts on cardiovascular events (CVEs). METHOD: We enrolled 191 maintenance HD patients who underwent plain abdomen radiography for abdominal aortic calcification score (AACS). A nadir systolic blood pressure (BP) < 90 mm Hg or the requirement of bolus fluid administration was required to quantify the hypotension diagnosis...
2017: PloS One
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