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Operational research

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https://www.readbyqxmd.com/read/28434182/recent-trends-in-alcohol-and-other-drug-use-among-police-detainees-in-new-zealand-2010-2015
#1
Chris Wilkins, Jitesh Prasad, Karl Parker, Marta Rychert, Helen Moewaka Barnes
BACKGROUND: New Zealand has unusual patterns of recreational substance use by international standards including low levels of cocaine and heroin use, and high methamphetamine use. AIMS: This paper examines recent trends in alcohol and other drug use among police detainees in New Zealand over the past six years. METHOD: The paper utilises data from the New Zealand Arrestee Drug Use Monitoring (NZ-ADUM) study. NZ-ADUM interviewed approximately 800 police detainees each year at four central city police watch houses (i...
April 23, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28433518/efficacy-of-tranexamic-acid-on-side-effects-of-rhinoplasty-a%C3%A2-randomized-double-blind-study
#2
Mohammad Ali Ghavimi, Koroush Taheri Talesh, Arezoo Ghoreishizadeh, Mir Amir Chavoshzadeh, Ali Zarandi
INTRODUCTION: The aim of this randomized double-blind study was to evaluate the efficacy of Tranexamic acid (TXA) on intraoperative bleeding, postoperative eyelid edema, and postoperative periorbital ecchymosis in rhinoplasty. MATERIALS AND METHODS: Sixty rhinoplasty patients who needed hump reduction and lateral osteotomy were included and then randomly assigned into two groups. In the intervention group (n = 30), 10 mg/kg of TXA was administered prior to the operation and in the control group, the patients were given 20 mL of normal saline...
March 21, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28433250/public-private-implementation-of-integrated-emergency-response-services-case-study-of-gvk-emergency-management-and-research-institute-in-karnataka-india
#3
Veena M Sriram, Gopalkrishna Gururaj, Adnan A Hyder
BACKGROUND: Emergency medical services are important to the functioning of health systems, but these services tend to be neglected in low- and middle-income countries, such as India. In recent years, several models of pre-hospital emergency medical services have emerged in India. Research on these models holds important lessons for existing and future emergency medical service programs in low- and middle-income countries. Our objective was to provide a comprehensive description of the organizational structure and service delivery model of a public-private partnership in the southern Indian state of Karnataka, GVK Emergency Management and Research Institute, with a particular focus on its operations in Bengaluru...
April 19, 2017: Surgery
https://www.readbyqxmd.com/read/28432612/evaluation-of-the-analgesia-nociception-index-ani-in-healthy-awake-volunteers
#4
Rami Issa, Marco Julien, Elizabeth Décary, Olivier Verdonck, Louis-Philippe Fortier, Pierre Drolet, Philippe Richebé
BACKGROUND: Analgesia might be evaluated with simple changes in vital signs, a non-specific and non-sensitive method. Heart rate variability (HRV) correlates with autonomous nervous system activity and can be used to evaluate painful stimuli. Heart rate variability is then transformed into a numeric scale called the analgesia nociception index (ANI), where higher values represent predominant parasympathetic tone, thus low nociception. Under general anesthesia, the ANI decreases following painful stimuli and increases after administration of analgesia, but significant interindividual variability is present...
April 21, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28431486/evaluating-the-operational-risks-of-biomedical-waste-using-failure-mode-and-effects-analysis
#5
Ying-Chu Chen, Pei-Yi Tsai
The potential problems and risks of biomedical waste generation have become increasingly apparent in recent years. This study applied a failure mode and effects analysis to evaluate the operational problems and risks of biomedical waste. The microbiological contamination of biomedical waste seldom receives the attention of researchers. In this study, the biomedical waste lifecycle was divided into seven processes: Production, classification, packaging, sterilisation, weighing, storage, and transportation. Twenty main failure modes were identified in these phases and risks were assessed based on their risk priority numbers...
April 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28431452/-treatment-options-for-neurogenic-drop-foot-a-systematic-literature-research
#6
Eike Jakubowitz, Daiwei Yao, Henning Windhagen, Christina Stukenborg-Colsman, Anna Thomann, Kiriakos Daniilidis
Background Neurogenic drop foot may be caused by central or peripheral lesions of the nervous system. Depending on whether the first or second motor neuron is damaged, a flaccid or spastic drop foot develops. Spastic drop foot persists as a residual long-term complication after stroke in about 14 % of patients. Various conservative and surgical treatment options are available. Methods This article is based on a systematic literature review for medical evidence of functional electrical stimulation (FES) with the keywords "functional electrical stimulation AND drop foot" and "functional electrical stimulation AND gait AND stroke" in PubMed and Cochrane databases...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28431030/using-multivariate-base-rates-to-interpret-low-scores-on-an-abbreviated-battery-of-the-delis-kaplan-executive-function-system
#7
Justin E Karr, Mauricio A Garcia-Barrera, James A Holdnack, Grant L Iverson
Objective: Executive function consists of multiple cognitive processes that operate as an interactive system to produce volitional goal-oriented behavior, governed in large part by frontal microstructural and physiological networks. Identification of deficits in executive function in those with neurological or psychiatric conditions can be difficult because the normal variation in executive function test scores, in healthy adults when multiple tests are used, is largely unknown. This study addresses that gap in the literature by examining the prevalence of low scores on a brief battery of executive function tests...
May 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28430873/bioinformatics-in-germany-toward-a-national-level-infrastructure
#8
Andreas Tauch, Arwa Al-Dilaimi
The German Network for Bioinformatics Infrastructure (de.NBI) is a national initiative funded by the German Federal Ministry of Education and Research (BMBF). The mission of de.NBI is (i) to provide high-quality bioinformatics services to users in basic and applied life sciences research from academia, industry and biomedicine; (ii) to offer bioinformatics training to users in Germany and Europe through a wide range of workshops and courses; and (iii) to foster the cooperation of the German bioinformatics community with international network structures such as the European life-sciences Infrastructure for biological Information (ELIXIR)...
April 18, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28430696/sequential-analysis-of-a-panel-of-biomarkers-and-pathologic-findings-in-a-resuscitated-rat-model-of-sepsis-and-recovery
#9
Nishkantha Arulkumaran, Marije L Sixma, Elisa Jentho, Elias Ceravola, Paul S Bass, John A Kellum, Robert J Unwin, Fred W K Tam, Mervyn Singer
OBJECTIVES: To characterize the temporal pattern of a panel of blood and urinary biomarkers in an animal model of fecal peritonitis and recovery. DESIGN: Prospective observational animal study. SETTING: University research laboratory. SUBJECTS: Male Wistar rats. INTERVENTIONS: A fluid-resuscitated, long-term (3 d) rat model of sepsis (fecal peritonitis) and recovery was used to understand the temporal association of sepsis biomarkers in relation to systemic hemodynamics, inflammation, and renal function...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28430544/trust-and-the-compliance-reliance-paradigm-the-effects-of-risk-error-bias-and-reliability-on-trust-and-dependence
#10
Eric T Chancey, James P Bliss, Yusuke Yamani, Holly A H Handley
OBJECTIVE: This study provides a theoretical link between trust and the compliance-reliance paradigm. We propose that for trust mediation to occur, the operator must be presented with a salient choice, and there must be an element of risk for dependence. BACKGROUND: Research suggests that false alarms and misses affect dependence via two independent processes, hypothesized as trust in signals and trust in nonsignals. These two trust types manifest in categorically different behaviors: compliance and reliance...
May 2017: Human Factors
https://www.readbyqxmd.com/read/28429984/partnering-to-improve-care-the-case-of-the-veterans-health-administration-s-quality-enhancement-research-initiative
#11
Alicia A Bergman, Deborah M Delevan, Isomi M Miake-Lye, Lisa V Rubenstein, David A Ganz
Background Within many large health care organizations, researchers and operations partners (i.e., policymakers, managers, clinical leaders) join to conduct studies to improve the quality of patient care. Yet optimal approaches to conducting partnership research and evaluation are only beginning to be clearly defined. The Veterans' Health Administration (VA) Quality Enhancement Research Initiative (QUERI), funded by operations leaders and administered by the VA's research service, now has nearly two decades of experience in fostering research-operations partnerships for improving quality of VA care...
January 1, 2017: Journal of Health Services Research & Policy
https://www.readbyqxmd.com/read/28429754/real-time-detection-of-tsunami-ionospheric-disturbances-with-a-stand-alone-gnss-receiver-a-preliminary-feasibility-demonstration
#12
Giorgio Savastano, Attila Komjathy, Olga Verkhoglyadova, Augusto Mazzoni, Mattia Crespi, Yong Wei, Anthony J Mannucci
It is well known that tsunamis can produce gravity waves that propagate up to the ionosphere generating disturbed electron densities in the E and F regions. These ionospheric disturbances can be studied in detail using ionospheric total electron content (TEC) measurements collected by continuously operating ground-based receivers from the Global Navigation Satellite Systems (GNSS). Here, we present results using a new approach, named VARION (Variometric Approach for Real-Time Ionosphere Observation), and estimate slant TEC (sTEC) variations in a real-time scenario...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429462/kinship-nomadism-and-humanitarian-aid-among-somalis-in-ethiopia
#13
Lauren Carruth
This paper draws on extended ethnographic and health policy research in eastern Ethiopia to reconsider kinship and nomadism among Somalis, as both of these cultural features transform in the contexts of recurrent humanitarian crises and episodic relief operations. The emergence and importance of new patterns of travel and migration among Somalis in Ethiopia reveal significant changes in the configurations and enactments of Somali kinship, on which many Somalis' mobility depends. Conversely, an analysis of Somalis' dynamic sub-clan groupings and geographically dispersed kinship networks also highlights emergent patterns of mobility and migration that enable access to training opportunities and employment with relief organisations, as well as to distributions of humanitarian aid...
April 21, 2017: Disasters
https://www.readbyqxmd.com/read/28428764/employee-age-alters-the-effects-of-justice-on-emotional-exhaustion-and-organizational-deviance
#14
Justin P Brienza, D Ramona Bobocel
Fairness in the workplace attenuates a host of negative individual and organizational outcomes. However, research on the psychology of aging challenges the assumption that fairness operates similarly across different age groups. The current research explored how older workers, vis-à-vis younger workers, react to perceptions of fairness. Integrating socioemotional selectivity theory and the multiple needs theory of organizational justice, we generated novel predictions regarding the relations between perceptions of workplace justice, emotional exhaustion, and employee deviance...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28428283/regulatory-aspects-of-optical-methods-and-exogenous-targets-for-cancer-detection
#15
Willemieke S Tummers, Jason M Warram, Kiranya E Tipirneni, John Fengler, Paula Jacobs, Lalitha Shankar, Lori Henderson, Betsy Ballard, Brian W Pogue, Jamey P Weichert, Michael Bouvet, Jonathan Sorger, Christopher H Contag, John V Frangioni, Michael F Tweedle, James P Basilion, Sanjiv S Gambhir, Eben L Rosenthal
Considerable advances in cancer-specific optical imaging have improved the precision of tumor resection. In comparison to traditional imaging modalities, this technology is unique in its ability to provide real-time feedback to the operating surgeon. Given the significant clinical implications of optical imaging, there is an urgent need to standardize surgical navigation tools and contrast agents to facilitate swift regulatory approval. Because fluorescence-enhanced surgery requires a combination of both device and drug, each may be developed in conjunction, or separately, which are important considerations in the approval process...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427944/creating-a-global-acute-care-surgery-fellowship-to-meet-international-need
#16
Amina I Merchant, Camila B Walters, Julie Valenzuela, Kelly A McQueen, Addison K May
INTRODUCTION: Existing Acute Care Surgery (ACS) fellowships are positioned to develop well-trained surgeons with specific skills to facilitate improvements in care delivery in Global ACS. Many resident and fellowship programs offer clinical electives that expose trainees to operative experiences, exposing trainees to the needs in resource-challenged settings. However, most lack a focus on long-term development and research designed to enhance the country's local skills, capability, and capacity...
April 17, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28427663/fast-sono-assisted-ferrofluid-mediated-silver-super-adsorption-over-magnesium-ferrite-copper-sulfide-chalcogenide-with-the-aid-of-multivariate-optimization
#17
Ali Asghar Rezaei, Mostafa Hossein Beyki, Farzaneh Shemirani
This research focuses on the development of a fast ultrasonic assisted ferrofluid mediated methodology to obtain the optimum conditions for silver adsorption from aqueous solutions. For this purpose magnesium ferrite-copper sulfide chalcogenide was synthesized and employed as an efficient nanosorbent. The sorbent was characterized with energy-dispersive X-ray spectroscopy (EDX), field emission scanning electron microscopy (FE-SEM), X-ray powder diffraction (XRD) and vibrational sample magnetometry (VSM) techniques...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28427623/degradation-of-reactive-blue-13-using-hydrodynamic-cavitation-effect-of-geometrical-parameters-and-different-oxidizing-additives
#18
Sunil Rajoriya, Swapnil Bargole, Virendra Kumar Saharan
Decolorization of reactive blue 13 (RB13), a sulphonated azo dye, was investigated using hydrodynamic cavitation (HC). The aim of research article is to check the influence of geometrical parameters (total flow area, the ratio of throat perimeter to its cross-sectional area, throat shape and size, etc.) and configuration of the cavitating devices on decolorization of RB13 in aqueous solution. For this purpose, eight cavitating devices i.e. Circular and slit venturi, and six orifice plates having different flow area and perimeter were used in the present work...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28427477/plasma-chitotriosidase-activity-versus-ccl18-level-for-assessing-type-i-gaucher-disease-severity-protocol-for-a-systematic-review-with-meta-analysis-of-individual-participant-data
#19
Tatiana Raskovalova, Patrick B Deegan, Ruby Yang, Elena Pavlova, Jérome Stirnemann, José Labarère, Ari Zimran, Pramod K Mistry, Marc Berger
BACKGROUND: Gaucher disease (GD) is an autosomal recessive lysosomal storage disorder caused by deficiency in acid beta-glucosidase. GD exhibits a wide clinical spectrum of disease severity with an unpredictable natural course. Plasma chitotriosidase activity and CC chemokine ligand 18 (CCL18) have been exchangeably used for monitoring GD activity and response to enzyme replacement therapy in conjunction with clinical assessment. Yet, a large-scale head-to-head comparison of these two biomarkers is currently lacking...
April 20, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28427405/ceiling-effect-in-emr-system-assimilation-a-multiple-case-study-in-primary-care-family-practices
#20
Marie-Claude Trudel, Josianne Marsan, Guy Paré, Louis Raymond, Ana Ortiz de Guinea, Éric Maillet, Thomas Micheneau
BACKGROUND: There has been indisputable growth in adoption of electronic medical record (EMR) systems in the recent years. However, physicians' progress in using these systems has stagnated when measured with maturity scales. While this so-called ceiling effect has been observed and its consequences described in previous studies, there is a paucity of research on the elements that could explain such an outcome. We first suggest that in the context of EMR systems we are in presence of a "tiered ceiling effect" and then we show why such phenomenon occurs...
April 20, 2017: BMC Medical Informatics and Decision Making
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