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A F Saad, R M Abdallah, N A Hussein
The influence of physical and geometrical parameters, such as grain size, volume of the emanation container and mass of the sample, on the emanation coefficient and exhalation rates of radon (with and without consideration of back diffusion effect and effective volume of the emanation container) released from soil have been investigated. Moreover, a method for assessing the flux of radon migrate through soil layers was proposed. This method is based on measurement of the cumulative radon concentration transmitted through five layers of soil...
March 29, 2018: Applied Radiation and Isotopes
Yan Zhang, Hailong Li, Xuejing Wang, Chaoyue Wang, Kai Xiao, Wenjing Qu
Naturally occurring radon (222 Rn) and radium isotopes are widely used to trace water mixing and submarine groundwater discharge (SGD) in the coastal zones. However, their activities in groundwater are variable both spatially and temporally. Here, time series sampling of 222 Rn and radium was conducted to investigate their behavior in intertidal groundwater of Laizhou Bay, China. The result shows that groundwater redox conditions have an important impact on the behavior of tracers. The activities of tracers will decrease under oxidizing conditions and increase under reducing conditions...
April 18, 2018: Journal of Environmental Radioactivity
Judy E Davidson, Amy R Stuck, Sidney Zisook, James Proudfoot
OBJECTIVE: The aim of this study was to test a strategy for quantifying incidence of nurse suicide using San Diego County data as a pilot for national investigation. BACKGROUND: Worldwide, 1 person dies by suicide every 40 seconds; more than 1 000 000 suicides occur yearly. Suicide rates for nurses in the United States have not been evaluated. This methodological article tested a strategy to identify incidence of nurse suicide compared with those of physicians and the general public...
May 2018: Journal of Nursing Administration
Marcy N Singleton, Kimberly F Allen, Zhongze Li, Kevin McNerney, Urs H Naber, Matthew S Braga
Introduction: Paediatric Intensive Care Unit Nurses (PICU RNs) manage the code cart during paediatric emergencies at the Children's Hospital at Dartmouth-Hitchcock. These are low -frequency, high-stakes events. Methods: An uncontrolled intervention study with 6-month follow-up. A collaboration of physician and nursing experts developed a rolling-refresher training programme consisting of five simulated scenarios, including 22 code cart skills, to establish nursing code cart competency...
April 2018: BMJ simulation & technology enhanced learning
Marty Lewis-Hunstiger
Jayne Felgen discusses the characteristics of presence, its relationship to caring, creating presence in challenging situations, creating structures that support therapeutic relationships, and the necessity for clarity-of self, of role, and of systems-in supporting people's ability to provide care that is based on relationships instead of tasks.
April 1, 2018: Creative Nursing
J Giles, W Johnson, G Jones, C Heuer, M Dunowska
AIMS: To develop an indirect ELISA based on recombinant nucleocapsid (rN) protein of wobbly possum disease (WPD) virus for investigation of the presence of WPD virus in Australian brushtail possums (Trichosurus vulpecula) in New Zealand. METHODS: Pre- and post-infection sera (n=15 and 16, respectively) obtained from a previous experimental challenge study were used for ELISA development. Sera were characterised as positive or negative for antibody to WPD virus based on western-blot using WPD virus rN protein as antigen...
April 18, 2018: New Zealand Veterinary Journal
Quentin Alimi, Benoit Peyronnet, Philippe Sebe, Jean-François Cote, Solene-Florence Kammerer-Jacquet, Zine-Eddine Khene, Benjamin Pradere, Romain Mathieu, Gregory Verhoest, Bertrand Guillonneau, Karim Bensalah
PURPOSE: To compare the short-term outcomes of robot-assisted partial nephrectomy (RPN) and laparoscopic partial nephrectomy (LPN) when performed by highly experienced surgeons. METHODS: A prospective multicenter study was conducted, including the 50 last patients having undergone LPN and RPN for T1-T2 renal tumors in two institutions between 2013 and 2016, performed by two different surgeons with an experience of over 200 procedures each in LPN and RPN, respectively, at the beginning of the study...
April 17, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
Abdul Badran, Benjamin M Davies, Heidi-Marie Bailey, Sukhvinder Kalsi-Ryan, Mark Rn Kotter
OBJECTIVE: To review peer-reviewed literature relating to postoperative physiotherapy for degenerative cervical myelopathy (DCM), to determine efficacy in improving clinical outcome and recovery. DATA SOURCES: MEDLINE, EMBASE, CENTRAL, PEDro, ISRCTN registry, WHO ICTRP and . References and citations of relevant articles were searched. METHODS: A systematic search was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (PROSPERO CRD42016039511) from the origins of the databases till 15 February 2018...
April 1, 2018: Clinical Rehabilitation
Tina Graceline Kirubakaran, Harald Grove, Matthew P Kent, Simen R Sandve, Matthew Baranski, Torfinn Nome, Maria Cristina De Rosa, Benedetta Righino, Torild Johansen, Håkon Otterå, Anna Sonesson, Sigbjø Rn Lien, Øivind Andersen
No abstract text is available yet for this article.
March 2018: Molecular Ecology
Chathura Edirisuriya, Frank H Beard, Alexandra J Hendry, Aditi Dey, Heather F Gidding, Linda Hueston, Dominic E Dwyer, James G Wood, Kristine K Macartney, Peter B McIntyre
BACKGROUND: The World Health Organization has targeted rubella virus for elimination regionally. Australia was one of the first countries to implement a nationally funded rubella immunisation program, in 1971, and conducts regular national rubella serosurveillance studies. We aimed to estimate the seroprevalence of rubella-specific IgG antibody in the Australian population by age and sex in 2012-2013, to compare the results with three previous serosurveys conducted in 1996-1999, 2002 and 2007 and to estimate the effective reproduction numbers (Rn )...
April 13, 2018: Vaccine
G K P Cruz, M A Ferreira Júnior, S Balbino da Silva, I C de Azevedo, V E P Santos, M L Ivo
INTRODUCTION: The quality of corneal tissue is influenced by several factors inherent to the recipient, donor, donation process, and transplantation that may primarily or secondarily interfere in the survival of a corneal graft. OBJECTIVE: The objective of this study was to identify the factors inherent to the donation process, specifically related to the harvesting and processing of tissue and to the donor, that may interfere with the quality of corneal tissue...
April 2018: Transplantation Proceedings
Heidi Krantz, Barbara Strain, Jane Torzewski
Heidi A. Krantz, RN, BSN is the Director of Value Analysis at Johns Hopkins Bayview Medical Center in the Johns Hopkins Health System. Barbara Strain, MA, CVAHP is the Director of Value Management at the University of Virginia Health System. Jane Torzewski RN, MAN, MBA is a Senior Category Manager for the Mayo Clinic Physician Preference Contracting team. She previously was a Senior Clinical Value Analyst on the Mayo Clinic Value Analysis team.
September 2017: Surgery
Ashutosh K Pandey, Annesha Ghosh, Madhoolika Agrawal, S B Agrawal
Tropospheric ozone (O3 ) is a phytotoxic air pollutant causing a substantial damage to plants and agriculture worldwide. Plant productivity is affected by several environmental factors, which interact with each other. Studies related to interactions involving O3 and different levels of nitrogen (N) are still rare and elusive. In the present study we grew two wheat cultivars (HD2967 and Sonalika) in open top chambers (OTC) under ambient (AO) and elevated O3 (EO) (ambient + 20 ppb O3 ) and provided two levels of N fertilization; (a) recommended nitrogen (RN), (b) 1...
April 12, 2018: Ecotoxicology and Environmental Safety
Jiajun Wang, Shuli Chou, Zhanyi Yang, Yang Yang, Zhihua Wang, Jing Song, Xiujing Dou, Anshan Shan
Antimicrobial peptides are an important weapon against invading pathogens and are potential candidates as novel antibacterial agents, but their antifungal activities are not fully developed. In this study, a set of imperfectly amphipathic peptides was developed based on the imperfectly amphipathic palindromic structure Rn(XRXXXRX)Rn (n = 1,2; X represents L, I, F, or W), and the engineered peptides exhibited high antimicrobial activities against all fungi and bacteria tested (including fluconazole-resistant Candida albicans), with geometric mean (GM) MICs ranging from 2...
April 12, 2018: Journal of Medicinal Chemistry
Camila Galleti Espir, Camila Almeida Nascimento, Juliane Maria Guerreiro-Tanomaru, Idomeo Bonetti-Filho, Mário Tanomaru-Filho
Context: Root canal anatomy is evaluated using different methodologies. Aims: The aim of this study is to evaluate and classify root canal morphology and dentin thicknesses (DT), comparing radiographic and micro-computed tomography (CT) analysis. Materials and Methods: Canal diameter and DT of mandibular incisors ( n = 520) were evaluated using digital radiographs in buccolingual (BL) and mesiodistal (MD) directions. The diameter ratio (DR) BL/MD was classified: flattened (FL, DR >4); oval (OV, 2≤ DR ≥4); rounded (RN, 1...
January 2018: Journal of Conservative Dentistry: JCD
Martin Bulko, Karol Holý, Monika Müllerová
In practice, information about atmospheric stability is often obtained from discrete stability classes determined from routine meteorological observations. However, changing concentrations of the radioactive gas222 Rn present in the atmosphere are also considered a good indicator of vertical dispersion and atmospheric stability. A complex, in-depth analysis between these different approaches of atmospheric stability assessment has not been performed so far, and was the main motivation behind this study. The study presents atmospheric radon data measured in Bratislava (Slovakia) and stability indexes (SI) calculated according to a modified Turner method during a period of one year...
April 4, 2018: Journal of Environmental Radioactivity
Suzanne R Dhaini, Kris Denhaerynck, Stefanie Bachnick, René Schwendimann, Maria Schubert, Sabina De Geest, Michael Simon
BACKGROUND: Emotional exhaustion among healthcare workers is a widely investigated, well-recognized problem, the incidence of which has recently been linked to work environment factors, particularly work/family conflict. However, another environmental feature that may be equally influential, but that is more amenable to nurse manager action, remains less recognized: shift schedule flexibility. OBJECTIVES: This study's main purposes were to assess variations in work schedule flexibility between Swiss acute care hospital units, and to investigate associations between psychosocial work environment (e...
March 27, 2018: International Journal of Nursing Studies
Xi Zhu, Xiaofei Du, Mike Kerich, Falk W Lohoff, Reza Momenan
Currently, classification of alcohol use disorder (AUD) is made on clinical grounds; however, robust evidence shows that chronic alcohol use leads to neurochemical and neurocircuitry adaptations. Identifications of the neuronal networks that are affected by alcohol would provide a more systematic way of diagnosis and provide novel insights into the pathophysiology of AUD. In this study, we identified network-level brain features of AUD, and further quantified resting-state within-network, and between-network connectivity features in a multivariate fashion that are classifying AUD, thus providing additional information about how each network contributes to alcoholism...
April 4, 2018: Neuroscience Letters
Amy Uber, Anne V Grossestreuer, Catherine E Ross, Parth V Patel Rn, Ambica Trehan, Michael W Donnino, Katherine M Berg
AIM: Limited data suggests low oxygen consumption (VO2 ), driven by mitochondrial injury, is associated with mortality after cardiac arrest. Due to the challenges of measurement in the critically ill, post-arrest metabolism remains poorly characterized. We monitored VO2 , carbon dioxide production (VCO2 ) and the respiratory quotient (RQ) in post-arrest patients and explored associations with outcome. METHODS: Using a gas exchange monitor, we measured continuous VO2 and VCO2 in post- arrest patients treated with targeted temperature management...
April 4, 2018: Resuscitation
L Bompy, J Levasseur, A Hallier, S Fraitag, M-H Aubriot-Lorton, B Bonniaud, N Zwetyenga
INTRODUCTION: Recurrent nevus (RN) is a cutaneous benign tumour with similarities with malignant lesions. Typically, it occurs after a partial resection of commun-acquired nevus. Its incidence varies from 0.3 to 27% according to the studies. We present here a pediatric case of a pagetoid form of a recurrent nevus occurring from a congenital nevus. CASE REPORT: A congenital nevus was removed from a 9-month-old girl. Pathologists concluded to a commun-acquired nevus of complete exeresis...
April 3, 2018: Annales de Chirurgie Plastique et Esthétique
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