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https://www.readbyqxmd.com/read/28919792/clinical-outcomes-and-nephrotoxicity-of-colistin-loading-dose-for-treatment-of-extensively-drug-resistant-acinetobacter-baumannii-in-cancer-patients
#1
Wasan Katip, Suriyon Uitrakul, Peninnah Oberdorfer
BACKGROUND: Colistin is a last-line defense therapy against extensively drug-resistant Acinetobacter baumannii (XDR-AB). Despite a loading dose of colistin being applied in many clinical practices, studies evaluating the effect of the loading dose of colistin in cancer patients remain limited. PATIENTS AND METHODS: A retrospective cohort study of cancer patients who received either a loading or non-loading dose of colistin for treatment of XDR-AB was conducted. For each group, the clinical response, bacteriological eradication and serum creatinine were recorded...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28874330/comparison-of-rifle-akin-and-kdigo-classifications-for-assessing-prognosis-of-patients-on-extracorporeal-membrane-oxygenation
#2
Tsung-Yu Tsai, Hao Chien, Feng-Chun Tsai, Heng-Chih Pan, Huang-Yu Yang, Shen-Yang Lee, Hsiang-Hao Hsu, Ji-Tseng Fang, Chih-Wei Yang, Yung-Chang Chen
BACKGROUND/PURPOSE: Acute kidney injury (AKI) developing during extracorporeal membrane oxygenation (ECMO) is associated with very poor outcome. The Kidney Disease: Improving Global Outcomes (KDIGO) group published a new AKI definition in 2012. This study analyzed the outcomes of patients treated with ECMO and identified the relationship between the prognosis and the KDIGO classification. METHODS: This study examined total 312 patients initially, and finally reviewed the medical records of 167 patients on ECMO support at a tertiary care university hospital between March 2002 and November 2011...
September 2, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28873299/redox-controls-over-the-stability-of-u-iv-in-floodplains-of-the-upper-colorado-river-basin
#3
Vincent Noël, Kristin Boye, Juan S Lezama Pacheco, Sharon E Bone, Noémie Janot, Emily Cardarelli, Kenneth H Williams, John R Bargar
Aquifers in the Upper Colorado River Basin (UCRB) exhibit persistent uranium (U) groundwater contamination plumes originating from former ore processing operations. Previous observations at Rifle, Colorado, have shown that fine grained, sulfidic, organic-enriched sediments accumulate U in its reduced form, U(IV), which is less mobile than oxidized U(VI). These reduced sediment bodies can subsequently act as secondary sources, releasing U back to the aquifer. There is a need to understand if U(IV) accumulation in reduced sediments is a common process at contaminated sites basin-wide, to constrain accumulated U(IV) speciation, and to define the biogeochemical factors controlling its reactivity...
September 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28866836/colistin-nephrotoxicity-in-the-icu-is-it-different-in-the-geriatric-patients
#4
Burcu Başarık Aydoğan, Fatma Yıldırım, Avşar Zerman, Kamil Gönderen, Melda Türkoğlu, Gülbin Aygencel
OBJECTIVE: Most significant side effect of colistin therapy which is used for the treatment of multi-drug resistant Gram-negative infections is nephrotoxicity. Our aim was to investigate the differences of colistin nephrotoxicity between the geriatric age group (≥65 years) and the younger age group (<65 years) in critically ill medical intensive care unit (ICU) patients. MATERIAL AND METHOD: The medical records of the 76 patients who were taken colistin therapy due to multi-resistant Gram-negative infections between January 2010 and June 2014 in the our medical ICU were retrospectively investigated...
September 2, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28806634/a-correlation-based-bullet-identification-method-using-empirical-mode-decomposition
#5
Saeed Bigdeli, Hamed Danandeh, Mohsen Ebrahimi Moghaddam
The striations on bullet surface are 3D micro structures formed when a bullet is forcing its way out of barrel. Each barrel leaves individual striation patterns on bullets. Hence, the striation information of bullets is helpful for firearm identification. Common automatic identification methods process these images using linear time invariant (LTI) filters based on correlation. These methods do not consider the sensitivity of correlation based comparisons to nonlinear baseline drifts. The striations are undeniably random unique micro structures caused by random non-model-based imperfections in the tools used in rifling process, therefore any characteristic profile that is extracted from a bullet image is statistically non-stationary...
September 2017: Forensic Science International
https://www.readbyqxmd.com/read/28771061/comparison-of-performance-levels-and-sex-on-sprint-race-performance-in-the-biathlon-world-cup
#6
Harri Luchsinger, Jan Kocbach, Gertjan Ettema, Øyvind Sandbakk
Biathlon is an Olympic sport combining cross-country skiing with the skating technique and rifle shooting. The sprint (7.5 km for women and 10 km for men) includes two shootings between the three laps of skiing. The aims of the current study are to compare biathletes of different performance-levels and sex on total race time and performance-determining factors of sprint races in the biathlon World Cup. The top 10-performers (G1-10) and results within rank 21-30 (G21-30) in 47 sprint races during the 2011/2012 to 2015/2016 World Cup seasons were compared regarding total race time, course time, shooting time, range time, shooting performance (rate of hits) and penalty time...
August 3, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28763874/-correlation-between-serum-uric-acid-level-and-acute-renal-injury-after-coronary-artery-bypass-grafting
#7
D Q Xu, J Du, Z Zheng, Y Tang, L Zou, Y H Zhang, H T Zhang
Objective: To evaluate whether early postoperative serum uric acid level can predict postoperative acute renal injury (AKI) among patients undergoing coronary artery bypass grafting (CABG). Methods: The study retrospectively enrolled 1 306 patients undergoing CABG in Fuwai Hospital between September 2012 and December 2013. The patients were divided into 5 groups by the concentrations of serum uric acid measured on the morning of the first postoperative day, and uric acid categories were as follow: less than 195 μmol/L (Q1 group, 262 cases), 195-236 μmol/L (Q2 group, 263 cases), 237-280 μmol/L (Q3 group, 260 cases), 281-336 μmol/L (Q4 group, 261 cases), more than 336 μmol/L (Q5 group, 260 cases)...
July 11, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28761207/importance-of-rifle-risk-injury-failure-loss-and-end-stage-renal-failure-and-akin-acute-kidney-injury-network-in-hemodialysis-initiation-and-intensive-care-unit-mortality
#8
Iskender Kara, Fatma Yildirim, Esra Kayacan, Burcu Bilaloğlu, Melda Turkoglu, Gülbin Aygencel
Our study evaluated the differences between early and late hemodialysis (HD) initiation in the intensive care unit (ICU) according to the RIFLE (Risk, Injury, Failure, Loss, and End-stage renal failure) and AKIN (Acute Kidney Injury Network) classifications. On the assumption that early initiation of HD in critical patients according to the RIFLE and AKIN criteria decreases mortality, we retrospectively evaluated the medical records of 68 patients in our medical ICU and divided the patients into 2 groups: Those undergoing HD in no risk, risk, or injury stage according to RIFLE and in stage 0, I, or II according to AKIN were defined as early HD and those in failure stage according to RIFLE and in stage III according to AKIN were defined as late HD...
July 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28760891/influence-of-beta-lactam-infusion-strategy-on-acute-kidney-injury
#9
Sarah E Cotner, W Cliff Rutter, Donna R Burgess, Katie L Wallace, Craig A Martin, David S Burgess
Background Limited literature is available assessing nephrotoxicity with prolonged beta-lactam infusions. This study compared the incidence of acute kidney injury (AKI) associated with a prolonged beta-lactam infusion (PI) or an intermittent infusion.Methods. This was a retrospective, matched cohort study at an academic medical center from July 2006 to September 2015. Adult patients who received piperacillin-tazobactam (TZP), cefepime (FEP), or meropenem (MEM) for at least 48 hours were evaluated. Patients were excluded for pre-existing renal dysfunction or pregnancy...
July 31, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28744599/use-of-minicameras-to-improve-operative-procedure-in-security-forces
#10
Vicente Javier Clemente-Suárez, Montaña Diaz-Manzano, José Juan Robles-Pérez
The aim of the present study was to analyze pistol and compact rifle marksmanship in close quarter combat (CQC). There is currently a controversy about what weapon is most appropriate to use in CQC, short weapon as pistols or long weapons as rifle. Forty two participants conducted two close quarter combat simulations, one with pistol and one with compact rifle. Marksmanship and time to cover the simulation were measured. Data obtained showed no significant differences between pistol and compact rifle. In addition, it was observed a tendency to obtain higher scores with compact rifle, probably be due to the higher stability provided in the shot action...
September 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28744257/abundance-and-distribution-of-microbial-cells-and-viruses-in-an-alluvial-aquifer
#11
Donald Pan, Jason Nolan, Kenneth H Williams, Mark J Robbins, Karrie A Weber
Viruses are the most abundant biological entity on Earth and their interactions with microbial communities are recognized to influence microbial ecology and impact biogeochemical cycling in various ecosystems. While the factors that control the distribution of viruses in surface aquatic environments are well-characterized, the abundance and distribution of continental subsurface viruses with respect to microbial abundance and biogeochemical parameters have not yet been established. In order to begin to understand the factors governing virus distribution in subsurface environments, we assessed microbial cell and virus abundance in groundwater concurrent with groundwater chemistry in a uranium impacted alluvial aquifer adjoining the Colorado River near Rifle, CO...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28732314/the-effect-of-low-dose-furosemide-in-critically-ill-patients-with-early-acute-kidney-injury-a-pilot-randomized-blinded-controlled-trial-the-spark-study
#12
Sean M Bagshaw, R T Noel Gibney, Peter Kruger, Imran Hassan, Finlay A McAlister, Rinaldo Bellomo
PURPOSE: Furosemide is commonly prescribed in acute kidney injury (AKI). Prior studies have found conflicting findings on whether furosemide modifies the course and outcome of AKI. METHODS: Pilot multi-center randomized blinded placebo-controlled trial in adult patients with AKI admitted to three intensive care units. Participants were randomly allocated to furosemide bolus and infusion or 0.9% saline placebo. Primary endpoint was worsening AKI, defined by the RIFLE criteria...
July 12, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28717983/evaluation-of-acute-kidney-injury-aki-with-rifle-akin-ck-and-kdigo-in-critically-ill-trauma-patients
#13
F Ülger, M Pehlivanlar Küçük, A O Küçük, N K İlkaya, N Murat, B Bilgiç, H Abanoz
PURPOSE: The aim of our study was to evaluate the effects of AKI development on mortality with four different classification systems (RIFLE, AKIN, CK, KDIGO) in critically ill trauma patients followed in the intensive care unit. METHODS: A retrospective review of 2034 patients in our intensive care unit was conducted between July 2010 and August 2013. A total of 198 patients with primary trauma were included in the study to evaluate the development of AKI. RESULTS: When the presence of AKI was investigated according to the four criteria (RIFLE, AKIN, CK, and KDIGO), the highest incidence of AKI was found according to the KDIGO classification (74...
July 17, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28701840/colistin-nephrotoxicity-in-adults-single-centre-large-series-from-india
#14
Abdul Ghafur, Swati Gohel, Vidyalakshmi Devarajan, T Raja, Jose Easow, M A Raja, Sankar Sreenivas, Balasubramaniam Ramakrishnan, T Ramakrishnan, S G Raman, Dedeepiya Devaprasad, Balaji Venkatachalam, Ramesh Nimmagadda
CONTEXT: Limited Indian data are available on the rate of colistin nephrotoxicity and other risk factors contributing to the development of this important side effect. AIM: This study aims to generate data on colistin nephrotoxicity from a large cohort of Indian patients. DESIGN: Retrospective cohort study. MATERIALS AND METHODS: Case record analysis of patients who received colistin, in an oncology center in India, between January 2011 and December 2015...
June 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28692725/visual-speed-sensitivity-in-the-drum-corps-color-guard
#15
Nestor Matthews, Leslie Welch, F Daniel Coplin, Allison J Murphy, Megan R Puritz
Drum corps color guard experts spend years developing skills in spinning rifles, sabers, and flags. Their expertise provides a unique window into factors that govern sensitivity to the speed of rotational and radial motion. Prior neurophysiological research demonstrates that rotational and radial motion register in the Medial Superior Temporal (MST) region of the primate visual system. To the extent that shared neural events govern rotational and radial speed sensitivity, one would expect expertise on either task to transfer to the other...
July 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28670269/independent-component-analysis-and-source-localization-on-mobile-eeg-data-can-identify-increased-levels-of-acute-stress
#16
Bryan R Schlink, Steven M Peterson, W D Hairston, Peter König, Scott E Kerick, Daniel P Ferris
Mobile electroencephalography (EEG) is a very useful tool to investigate the physiological basis of cognition under real-world conditions. However, as we move experimentation into less-constrained environments, the influence of state changes increases. The influence of stress on cortical activity and cognition is an important example. Monitoring of modulation of cortical activity by EEG measurements is a promising tool for assessing acute stress. In this study, we test this hypothesis and combine EEG with independent component analysis and source localization to identify cortical differences between a control condition and a stressful condition...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28657951/firearm-deaths-in-america-can-we-learn-from-462-000-lives-lost
#17
Shelby Resnick, Randi N Smith, Jessica H Beard, Daniel Holena, Patrick M Reilly, C William Schwab, Mark J Seamon
OBJECTIVE: We sought to determine whether state firearm legislation correlated with firearm-related fatality rates (FFR) during a 15-year period. BACKGROUND: The politicized and controversial topic of firearm legislation has been grossly understudied when the relative impact of American firearm violence is considered. Scientific evidence regarding gun legislation effectiveness remains scant. METHODS: Demographic and intent data (1999-2013) were collected from the Centers for Disease Control and Prevention's Web-Based Injury Statistics Query and Reporting System database and compared by state firearm legislation rankings with respect to FFR...
September 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28656931/community-acquired-acute-kidney-injury-in-critically-ill-children-as-seen-in-the-emergency-unit-of-a-tertiary-hospital-in-enugu-southeast-nigeria
#18
C C Obichukwu, O I Odetunde, J M Chinawa, H U Okafor, D K Adiele, B C Ibe
BACKGROUND: Acute kidney injury (AKI) has been shown to be common in critically ill patients with associated very poor outcome. There is paucity of data regarding its epidemiology, particularly in developing countries. This study aims to assess the presence of AKI among critically ill children to determine its prevalence, outcome, and outcome determinants in children suffering from AKI. PATIENTS AND METHODS: This is a cross-sectional observational study of critically ill children admitted to the children emergency unit of University of Nigeria Teaching Hospital, Ituku Ozalla, Enugu...
June 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28648260/broadening-the-perspective-on-gun-violence-an-examination-of-the-firearms-industry-1990-2015
#19
Victoria M Smith, Michael Siegel, Ziming Xuan, Craig S Ross, Sandro Galea, Bindu Kalesan, Eric Fleegler, Kristin A Goss
INTRODUCTION: Firearm violence injures or kills 100,000 Americans each year. This paper applies the Host-Agent-Vector-Environment model to this issue. Research on firearm violence tends to focus on two elements-the host (i.e., victims of firearm violence) and the environment (i.e., gun policies)-but little attention has been paid to the agent (the gun and ammunition) or the vector (firearm manufacturers, dealers, and the industry lobby). METHODS: Using Bureau of Alcohol, Tobacco, Firearms and Explosives data, trends in firearm manufacturing were investigated from 1990 to 2015...
June 17, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28647245/transport-and-humification-of-dissolved-organic-matter-within-a-semi-arid-floodplain
#20
Wenming Dong, Jiamin Wan, Tetsu K Tokunaga, Benjamin Gilbert, Kenneth H Williams
In order to understand the transport and humification processes of dissolved organic matter (DOM) within sediments of a semi-arid floodplain at Rifle, Colorado, fluorescence excitation-emission matrix (EEM) spectroscopy, humification index (HIX) and specific UV absorbance (SUVA) at 254nm were applied for characterizing depth and seasonal variations of DOM composition. Results revealed that late spring snowmelt leached relatively fresh DOM from plant residue and soil organic matter down into the deeper vadose zone (VZ)...
July 2017: Journal of Environmental Sciences (China)
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