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https://www.readbyqxmd.com/read/28103455/-epidemiological-and-demographic-characteristics-of-patients-with-head-and-neck-tumours-in-the-northern-portugal-impact-on-survival
#1
Roberto Estêvão, Tiago Santos, Ana Ferreira, Anabela Machado, João Fernandes, Eurico Monteiro
INTRODUCTION: In Portugal there are still no epidemiological and demographic studies conducted in patients with of the head and neck tumors. The objectives of this analysis are to describe the epidemiological and demographics of patients with malignant tumors of the head and neck referred to an Ear, Nose and Throat department of an oncology center in the North of Portugal and also assess the impact of these characteristics on survival. MATERIAL AND METHODS: Retrospective study of patients referred between January 2011 and December 2013 to the Ear, Nose and Throat Department of an oncology center (Instituto Português de Oncologia do Porto),...
October 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28103113/micronuclei-as-a-marker-for-medical-screening-of-subjects-continuously-occupationally-exposed-to-low-doses-of-ionizing-radiation
#2
Smj Mortazavi, Sar Mortazavi, Maryam Paknahad
No abstract text is available yet for this article.
January 19, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28103030/reactivity-of-cyclopentadienyl-molybdenum-compounds-towards-formic-acid-structural-characterization-of-cpmo-pme3-co-2h-cpmo-pme3-2-co-h-cpmo-%C3%AE-o-%C3%AE-o2ch-2-and-cp-mo-%C3%AE-o-%C3%AE-o2ch-2
#3
Michelle C Neary, Gerard Parkin
The molecular structures of CpMo(PMe3)(CO)2H and CpMo(PMe3)2(CO)H have been determined by X-ray diffraction, thereby revealing four-legged piano-stool structures in which the hydride ligand is trans to CO. However, in view of the different nature of the four basal ligands, the geometries of CpMo(PMe3)(CO)2H and CpMo(PMe3)2(CO)H deviate from that of an idealized four-legged piano stool, such that the two ligands that are orthogonal to the trans H-Mo-CO moiety are displaced towards the hydride ligand. While Cp(R)Mo(PMe3)3-x(CO)xH (Cp(R) = Cp, Cp*; x = 1, 2, 3) are catalysts for the release of H2 from formic acid, the carbonyl derivatives, Cp(R)Mo(CO)3H, are also observed to form dinuclear formate compounds, namely, [Cp(R)Mo(μ-O)(μ-O2CH)]2...
January 19, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28102918/medication-administration-errors-and-related-deviations-from-safe-practice-an-observational-study
#4
Alwiena J Blignaut, Siedine K Coetzee, Hester C Klopper, Suria M Ellis
AIMS AND OBJECTIVES: To determine the incidence of medication administration errors, medication administration related deviations from safe practice as well as factors associated with these errors in medical and surgical units of public hospitals in the Gauteng Province of South Africa. BACKGROUND: Several studies have been published on the incidence of medication administration errors, but only a few have studied the incidence of medication administration related deviations from safe practice...
January 19, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28102701/the-effect-of-pre-crash-velocity-reduction-on-occupant-response-using-a-human-body-finite-element-model
#5
B Guleyupoglu, J Schap, K D Kusano, F S Gayzik
OBJECTIVE: The objective of this study is to use a validated finite element model of the human body and a certified model of an ATD to evaluate the effect of simulated pre-crash braking on driver kinematics, restraint loads, body loads and computed injury criteria in four commonly-injured body regions. METHODS: The Global Human Body Models Consortium (GHBMC) 50th percentile male occupant (M50-O) and the Humanetics Hybrid-III 50(th) percentile models were gravity settled in the driver position of a generic interior equipped with an advanced three point belt and driver airbag...
January 19, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28102333/conserving-herbivorous-and-predatory-insects-in-urban-green-spaces
#6
Luis Mata, Caragh G Threlfall, Nicholas S G Williams, Amy K Hahs, Mallik Malipatil, Nigel E Stork, Stephen J Livesley
Insects are key components of urban ecological networks and are greatly impacted by anthropogenic activities. Yet, few studies have examined how insect functional groups respond to changes to urban vegetation associated with different management actions. We investigated the response of herbivorous and predatory heteropteran bugs to differences in vegetation structure and diversity in golf courses, gardens and parks. We assessed how the species richness of these groups varied amongst green space types, and the effect of vegetation volume and plant diversity on trophic- and species-specific occupancy...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102165/occupational-activity-in-patients-10-years-after-hip-replacement-surgery
#7
Teresa Pop, Ewelina Czenczek-Lewandowska, Bogumił Lewandowski, Justyna Leszczak, Justyna Podgórska-Bednarz, Joanna Baran
BACKGROUND: Advanced hip osteoarthritis requires total joint replacement surgery to improve daily activity, including occupational activity. The purpose of this study was to evaluate employment status among patients 10 years after hip replacement surgery. MATERIAL AND METHODS: A total of 63 patients who underwent total hip replacement surgery at the Department of Orthopedics and Traumatology between 2003 and 2005 were enrolled in the study. At the time of the study (2014), all patients from the study group were of working age...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28102107/occupational-dietary-and-other-risk-factors-for-myelodysplastic-syndromes-in-western-greece
#8
Christina Avgerinou, Ioanna Giannezi, Stela Theodoropoulou, Vasileios Lazaris, Georgia Kolliopoulou, Panagiotis Zikos, Yannis Alamanos, Michalis Leotsinidis, Argiris Symeonidis
PURPOSE: We have observed an increasing incidence of myelodysplastic syndromes (MDS) in the geographic area of Western Greece during the past two decades. The objective of this study was to investigate potential risk factors for the manifestation of MDS in this area of Greece. METHODS: A hospital-based case-control study was conducted in the public hospitals of the region. Participants were interviewed based on a questionnaire regarding demographics, occupational exposures, smoking, alcohol consumption, dietary, and domestic factors...
January 19, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28101962/the-peopling-of-the-americas-and-the-origin-of-the-beringian-occupation-model
#9
Connie J Mulligan, Emőke J E Szathmáry
The current model for peopling of the Americas involves divergence from an ancestral Asian population followed by a period of population isolation and genetic diversification in Beringia, and finally, a rapid expansion into and throughout the Americas. Studies in the 1970s sought to characterize the biological relationships between different indigenous populations and first proposed an occupation of Beringia. More recent studies using molecular genetic markers often neglect to reference early works that laid the groundwork for current colonization models...
January 19, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28101951/rigidity-and-flexibility-in-the-tetrasaccharide-linker-of-proteoglycans-from-atomic-resolution-molecular-simulation
#10
Cathy Ng, Padmavathy Nandha Premnath, Olgun Guvench
Proteoglycans (PGs) are covalent conjugates between protein and carbohydrate (glycosaminoglycans). Certain classes of glycosaminoglycans such as chondroitin sulfate/dermatan sulfate and heparan sulfate utilize a specific tetrasaccharide linker for attachment to the protein component: GlcAβ1-3Galβ1-3Galβ1-4Xylβ1-O-Ser. Toward understanding the conformational preferences of this linker, the present work used all-atom explicit-solvent molecular dynamics (MD) simulations combined with Adaptive Biasing Force (ABF) sampling to determine high-resolution, high-precision conformational free energy maps ΔG(φ, ψ) for each glycosidic linkage between constituent disaccharides, including the variant where GlcA is substituted with IdoA...
January 19, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28101790/perspectives-of-people-with-a-chronic-disease-on-participating-in-work-a-focus-group-study
#11
Marloes Vooijs, Monique C J Leensen, Jan L Hoving, Haije Wind, Monique H W Frings-Dresen
Purpose To explore solutions that people with a chronic disease use to overcome difficulties they experience regarding participating in work, and the support they require to identify or implement these solutions. Methods Focus groups were held to explore solutions and support requirements of people with a chronic disease. Participants were recruited through a research institution's patient panel, a patient federation and personal networks. Analysis was conducted by means of open and selective coding, using the MAXQDA software package...
January 18, 2017: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/28101634/is-the-arthroscopic-suture-bridge-technique-suitable-for-full-thickness-rotator-cuff-tears-of-any-size
#12
Sung Hyun Lee, Jeong Woo Kim, Tae Kyun Kim, Seok Hyun Kweon, Hong Je Kang, Se Jin Kim, Jin Sung Park
PURPOSE: The purpose of this study was to compare functional outcomes and tendon integrity between the suture bridge and modified tension band techniques for arthroscopic rotator cuff repair. METHODS: A consecutive series of 128 patients who underwent the modified tension band (MTB group; 69 patients) and suture bridge (SB group; 59 patients) techniques were enrolled. The pain visual analogue scale (VAS), Constant, and American Shoulder and Elbow Surgeons (ASES) scores were determined preoperatively and at the final follow-up...
January 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28101366/weighting-criteria-and-prioritizing-of-heat-stress-indices-in-surface-mining-using-a-delphi-technique-and-fuzzy-ahp-topsis-method
#13
Mehdi Asghari, Parvin Nassiri, Mohammad Reza Monazzam, Farideh Golbabaei, Hossein Arabalibeik, Aliakbar Shamsipour, Armin Allahverdy
BACKGROUND: Heat stress as a physical harmful agent can increase the risk of health and safety problems in different workplaces such as mining. Although there are different indices to assess the heat stress imposed on workers, choosing the best index for a specific workplace is so important. Since various criteria affect an index applicability, extracting the most effective ones and determining their weights help to prioritize the existing indices and select the optimal index. METHODS: In order to achieve this aim, present study compared some heat stress indices using effective methods...
2017: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/28101329/association-between-sports-type-and-overuse-injuries-of-extremities-in-adults-a-systematic-review
#14
REVIEW
Charlène Chéron, Christine Le Scanff, Charlotte Leboeuf-Yde
BACKGROUND: Sports injuries are often described as overuse or traumatic. Little is known about the frequency of overuse injuries and, in particular, if they vary between different types of sporting activities. PURPOSE: To identify any differences between sports in relation to diagnoses of overuse injuries of the extremities (OIE) and anatomical areas most likely to be injured in adults and to compare these findings with those reported in youngsters, as identified in a previous review...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28100382/-epidemiological-pattern-of-abnormal-urinary-fluoride-rates-in-population-with-occupational-fluoride-exposure-in-shanghai
#15
M H Gu, J Su, C H Liu, Y Q Zhu, H Shen, Y H Huang, L Zhong, M H Zhang, Y H Li
Objective: To investigate the epidemiological features of abnormal urinary fluoride rates in population with occupational exposure, and its relationships with age, work years and gender in Shanghai. Methods: A questionnaire survey was conducted respectively in 4 999 exposed workers and 283 non-exposed people during 2012-2015. Their urine samples were collected in plastic bottles and the fluoride ion selective electrode method was used for urinary fluoride level analysis. Logistic regression model was used to estimate associations between the abnormal rates and demographic/socioeconomic status of the study subjects...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28100372/-research-on-potential-interaction-between-mitochondrial-dna-copy-number-and-related-factors-on-risk-of-hypertension-in-coal-miners
#16
J Y Guo, L J Lei, N Qiao, G Q Fan, C M Sun, J J Huang, T Wang
Objective: To investigate the effects of mitochondrial DNA (mtDNA) copy number in peripheral blood and related factors on the risk of hypertension in coal miners. Methods: A case-control study was conducted in 378 coal miners with hypertension and 325 healthy coal miners recruited from Datong Coal Mine Group. A standard questionnaire was used to collect their general information, such as demographic characteristics, habits and occupational history. Fluorescence quantitative PCR was performed to detect the copy number of mtDNA...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28100274/using-medical-specialty-and-selection-criteria-clusters-to-study-specialty-selection-by-israeli-medical-students
#17
Yoram G Weiss, Rachel Yaffa Zisk-Rony, Howard Tandeter, Uriel Elchalal, Alex Avidan, Josh E Schroeder, Charles Weissman
BACKGROUND: During their final year of medical school, Israeli students must consider which specialty to choose for residency. Based on the vocational counseling literature we presumed that choices are made by selecting from a cluster of related specialties while considering professional and socio-economic issues. METHODS: Questionnaires distributed to final-year medical students at two Israeli medical schools ascertained inclinations toward various medical specialties and the importance of various selection criteria...
January 18, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28100221/psychosocial-work-factors-and-social-inequalities-in-psychological-distress-a-population-based-study
#18
Caroline S Duchaine, Ruth Ndjaboué, Manon Levesque, Michel Vézina, Xavier Trudel, Mahée Gilbert-Ouimet, Clermont E Dionne, Benoît Mâsse, Neil Pearce, Chantal Brisson
BACKGROUND: Mental health problems (MHP) are the leading cause of disability worldwide. The inverse association between socioeconomic position (SEP) and MHP has been well documented. There is prospective evidence that factors from the work environment, including adverse psychosocial work factors, could contribute to the development of MHP including psychological distress. However, the contribution of psychosocial work factors to social inequalities in MHP remains unclear. This study evaluates the contribution of psychosocial work factors from two highly supported models, the Demand-Control-Support (DCS) and the Effort-Reward Imbalance (ERI) models to SEP inequalities of psychological distress in men and women from a population-based sample of Quebec workers...
January 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28100212/the-effects-of-breakfast-on-short-term-cognitive-function-among-chinese-white-collar-workers-protocol-for-a-three-phase-crossover-study
#19
Zhenchuang Tang, Na Zhang, Ailing Liu, Dechun Luan, Yong Zhao, Chao Song, Guansheng Ma
BACKGROUND: As the first meal of the day, breakfast plays an important role in supplying energy and nutrients, which are critical to working and learning activities. A three-phase crossover study was designed to investigate the effects of breakfast on cognitive function among Chinese white-collar workers. The planned study protocol is presented. METHODS: A total of 264 participants aged 25-45 years will be recruited from Shenyang and Chongqing. Self-administered questionnaires will be used to collect information on age, gender, marital status, education level, occupation, smoking habits, drinking habits, and breakfast behaviours...
January 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28100201/developing-a-practice-guideline-for-the-occupational-health-services-by-using-a-community-of-practice-approach-a-process-evaluation-of-the-development-process
#20
Lydia Kwak, Charlotte Wåhlin, Kjerstin Stigmar, Irene Jensen
BACKGROUND: One way to facilitate the translation of research into the occupational health service practice is through clinical practice guidelines. To increase the implementability of guidelines it is important to include the end-users in the development, for example by a community of practice approach. This paper describes the development of an occupational health practice guideline aimed at the management of non-specific low back pain (LBP) by using a community of practice approach...
January 18, 2017: BMC Public Health
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