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Archives of Environmental & Occupational Health

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https://www.readbyqxmd.com/read/29920170/effect-of-nano-sized-sio2-particles-in-rats-cognitive-function-and-biochemical-response
#1
Amara Salem, Amal Oudhabechi, Mohsen Sakly
Several in vitro studies have convincingly demonstrated that SiO2 NPs mediated cytotoxicity, which was dose-, time- and size-dependent. The data on in vivo toxicity of SiO2 NPs are even more contradictory. In the present study, we investigated the effects of sub-acute exposure to SiO2-NPs on spatial learning and memory, the biochemical parameters and the histology of organs. Rats were injected intravenously with a single dose of SiO2- NPs (20mg/kg) during five consecutive days. The analysis of spatial memory in the Morris water maze showed that SiO2-NPs disrupt the cognitive abilities of rats...
June 19, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29920162/the-relation-of-blood-lead-and-qrs-t-angle-in-american-adults
#2
Jin Jing, Susan Thapa, Leanna Delhey, Saly Abouelenein, Wesam Morad, Robert Delongchamp, Mohammed F Faramawi
The QRS-T angle is a key ECG predictor for ventricular arrhythmia. Lead has a strong relation with cardiovascular diseases; however, no study has been conducted to investigate the association between lead exposure and QRS-T angle. Thus, we explored this association in a population-based representative sample: NHANES III. We used the standard 12-lead ECGs to calculate Spatial QRS-T angles. Blood lead concentrations were measured using graphite furnace atomic absorption spectrophotometry method. We conducted multivariate weighted logistic regression to adjust for impaired fasting glucose, hypertension, poverty index, age, race, and smoking status...
June 19, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29727597/cardiovascular-health-profile-among-qu%C3%A3-bec-male-and-female-police-officers
#3
Philippe Gendron, Claude Lajoie, Louis Laurencelle, François Trudeau
PURPOSE: To document the cardiovascular health profile of Québec police officers (PO). METHODS: Participants answered an online questionnaire evaluating the presence of cardiovascular disease (CVD) risk factors and symptoms. RESULTS: Two thousand, ninety-nine (2,099) male (age: 40.8 ± 9.2 years) and 756 female (age: 37.9 ± 7.9 years) PO participated in this study. The prevalence of obesity (body mass index ≥ 30░kg/m2 ) and diagnosed hypertension was respectively 21...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29727587/aspergillus-prevalence-in-air-conditioning-filters-from-vehicles-taxis-for-patient-transportation-forklifts-and-personal-vehicles
#4
Carla Viegas, Ricardo Moreira, Tiago Faria, Liliana Aranha Caetano, Elisabete Carolino, Anita Quintal Gomes, Susana Viegas
The frequency and importance of Aspergillus infections is increasing worldwide. This study aimed to assess the occupational exposure of forklifts and taxi drivers to Aspergillus spp. Nineteen filters from air conditioning system of taxis, 17 from forklifts and 37 from personal vehicles were assessed. Filters extract were streaked onto MEA, DG18 and in azole-supplemented media. Real-time quantitative PCR amplification of selected Aspergillus species-complex was also performed. Forklifts filter samples presented higher median values...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29702035/occupational-tuberculosis-in-healthcare-workers-in-sub-saharan-africa-a-systematic-review
#5
Faith O Alele, Richard C Franklin, Theophilus I Emeto, Peter Leggat
This article investigates the incidence, prevalence and factors associated with occupational tuberculosis (TB) in healthcare workers (HCWs) in sub-Saharan Africa (SSA). Studies were extracted from MEDLINE, PsycINFO, CINAHL, Cochrane Library, and SCOPUS databases following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement from inception to the 2nd of June 2017. Twenty-one studies met the inclusion criteria. The median prevalence of latent TB infection in HCWS was 62% (IQR 22%) and the median incidence of TB disease was 3871/100,000 (IQR 9314/100,000)...
April 27, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29677460/association-of-environmental-exposure-to-heavy-metals-and-eczema-in-us-population-analysis-of-blood-cadmium-lead-and-mercury
#6
Jia Wei, Junfeng Jim Zhang, John S Ji
OBJECTIVES: We aim to explore the association between blood heavy metal concentrations of cadmium, lead, and mercury with ever-report of eczema in the US population. METHODS: We used NHANES cross-sectional data from 2005-2006. Eczema was measured among 4509 adults and 3898 non-adults. The association between eczema and tertiles of concentrations of cadmium, lead, mercury was estimated using multivariate logistic regression models adjusted for different confounding variables...
April 20, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29677456/a-review-of-the-cohorts-with-environmental-and-occupational-mineral-fiber-exposure
#7
Selma Metintas, Guntulu Ak, Muzaffer Metintas
The aim of the study was to examine factors associated with Malignant Mesothelioma (MM) incidence rate of the groups with occupational asbestos and environmental asbestos or erionite exposure in rural area. In this ecological study, a total of 21 cohort datasets (8 environmental and 13 occupational) were evaluated. Data were analyzed using a multiple linear regression analysis model. In environmental cohorts, the risk of MM incidence was higher in women and people exposed to erionite. In this cohort, the incidence rate of MM increased as the median exposure time increased, while the incidence decreased as the median cumulative exposure dose increased...
April 20, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29621422/fire-service-instructors-working-practices-a-uk-survey
#8
Emily R Watkins, Mark Hayes, Peter Watt, Alan J Richardson
Analysis of Fire Service Instructors (FSI) working practices and health is needed to minimise health risks related to heat illness, cardiovascular events and immunological stress. Online surveys were distributed to UK FSI and Firefighters (FF). One hundred and thirty FSI (age: 43 ± 7yrs) and 232 FF (age: 41 ± 8yrs) responded. FSI experienced 2-10 live fires per week, with 45% of FSI reporting management does not set a limit on the number of exposures. Few FSI followed hydration guidelines, or cooling methods...
April 5, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29877782/environmental-health-sciences-and-empowering-people-to-use-science
#9
Tee L Guidotti
No abstract text is available yet for this article.
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29652632/lessons-for-environmental-health-sciences-from-perceptions-of-science-in-america
#10
Tee L Guidotti
No abstract text is available yet for this article.
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29116891/measurements-and-health-impacts-of-carbon-black-and-btexs-in-photocopy-centers
#11
Pattama Senthong, Sivasit Wittayasilp
The purpose of this study was to measure the concentration of carbon black and BTEXs at three photocopy centers and to assess the health risk following exposure. Air samples were collected by sampling in the breathing zone of workers during the class and examination periods. The results found that the concentration of carbon black before operation was higher than morning and afternoon in both class and examination periods. These levels are considerably lower than the suggested limited value set by OSHA. Toluene had the highest concentration but did not exceed of recommended exposure limit by NIOSH...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28686522/asbestos-related-disease-in-upholsterers
#12
M J Cruz, J Sampol, M Pallero, E Rodríguez, J Ferrer
Before its use was banned in developed countries, asbestos was widely applied in upholstery. However, the risk of asbestos diseases among upholsterers has only rarely been reported. In this case series, we present a first series of 6 workers employed in small workshops who developed several asbestos-related diseases, including pleural plaques, pleural fibrosis, and asbestosis. Exposures were intermittent and difficult to quantify, but lung asbestos content assessed by bronchoalveolar lavage was high in the 3 patients evaluated...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28443719/influence-of-quartz-exposure-on-lung-cancer-types-in-cases-of-lymph-node-only-silicosis-and-lung-silicosis-in-german-uranium-miners
#13
Stefan Mielke, Dirk Taeger, Kerstin Weitmann, Thomas Brüning, Wolfgang Hoffmann
Inhaled crystalline quartz is a carcinogen. Analyses show differences in the distribution of lung cancer types depending on the status of silicosis. Using 2,524 lung tumor cases from the WISMUT autopsy repository database, silicosis was differentiated into cases without silicosis in lung parenchyma and its lymph nodes, with lymph node-only silicosis, or with lung silicosis including lymph node silicosis. The proportions of adenocarcinoma, squamous cell carcinoma, and small-cell lung carcinoma mortality for increasing quartz exposures were estimated in a multinomial logistic regression model...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28418790/distortion-product-otoacoustic-emissions-in-workers-exposed-to-urban-stressors
#14
Maria Valeria Rosati, Francesco Tomei, Beatrice Loreti, Teodorico Casale, Giancarlo Cianfrone, Giancarlo Altissimi, Gianfranco Tomei, Andrea Bernardini, Alessandra Di Marzio, Carmina Sacco, Barbara Scala, Serafino Ricci, Angela Sancini
The study aimed to compare the distortion-product otoacoustic emissions (DPOAEs) with the pure-tone audiometry and to analyze the changes in participants exposed to noise. The results show a prevalence of participants with impaired DPOAEs higher than the prevalence of participants with impaired audiometries in the total sample, in men, and in outdoor workers and a prevalence of impaired DPOAEs and of impaired audiometries in men higher than in women and in outdoor workers higher than in indoor workers. The comparison of mean values between outdoor and indoor workers shows a significant difference only on some frequencies, in the DP-gram...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28375782/the-potential-hazardous-effect-of-exposure-to-iron-dust-in-egyptian-smoking-and-nonsmoking-welders
#15
Naglaa Abd El Khalik Gobba, Abdelmaksoud Hussein Ali, Dalia E El Sharawy, Mohammed Abdalla Hussein
Exposure to iron dust and welding fumes is widespread and may increase the risk of lung inflammation. The aim of this study was to identify associations between exposure to iron/welding fumes and the levels of inflammatory parameters and allergic mediators among 120 Egyptian men. Forty nonsmoking and 40 smoking Egyptian welders as well as 40 healthy volunteers who were never exposed to welding fumes and were nonsmoking were enrolled in the study. Peak expiratory flow rates (PEFR) assessed at the end of the shift of work on working days revealed an impairment in lung function, with the smoking workers showing the worse results, followed by nonsmoking workers, as compared to healthy volunteers...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28287924/individual-and-work-related-risk-factors-for-musculoskeletal-pain-among-computer-workers-in-nigeria
#16
Ukachukwu Okoroafor Abaraogu, Paschal Nzubechukwu Okorie, Deborah Onyinyechukwu Duru, Elochukwu Fortune Ezenwankwo
We investigated the prevalence of musculoskeletal pain (MSP) and the association of 1-month prevalence with individual and work-related factors among commercial typists in Enugu. Participants responded to a questionnaire about occurrences of MSP and a 75.6% (242/320) response rate was achieved. Prevalence was summarized in frequencies and percentages while associations between MSPs and risk factors were explored using chi-square. MSP was most common in the low back (58.3%), and low back pain limited 51.7% from activities between 1 and 30 days...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28272999/socioeconomic-factors-and-heavy-drinking-over-the-course-of-the-week-among-job-seekers-with-at-risk-alcohol-use
#17
Katja Haberecht, Sophie Baumann, Beate Gaertner, Ulrich John, Jennis Freyer-Adam
This article investigates the influence of socioeconomic factors on heavy drinking over the course of the week. As part of a randomized controlled trial, 1,282 job seekers with at-risk alcohol use were systematically recruited at 3 job agencies and reported number of drinks consumed on each day in the past week. Latent growth curve models were calculated to represent variations of alcohol use. School education and duration of lifetime unemployment were tested as predictors; sociodemographic variables were integrated as covariates...
May 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29558258/environmental-factors-and-suicide-in-australian-farmers-a-qualitative-study
#18
Meg Perceval, Kairi Kõlves, Victoria Ross, Prasuna Reddy, Diego De Leo
Farmers and farm workers have been recognized as a group at high risk of suicide in Australia. This study aims to identify and better understand environmental factors associated with suicide among Australian farmers and farm workers. Qualitative analysis was undertaken in accordance with the Consolidated Criteria for Reporting Qualitative Research. Male and female focus groups were conducted separately with people who lived or worked on a farm in six farming communities. Qualitative analyses showed that a number of environmental influences may contribute to the increased risk of suicide: extreme climatic events; isolation; service availability; access to, and frequent use of firearms; death and suffering of animals; government and legislation; technology; and property values...
March 20, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29543564/chest-ct-scan-findings-in-world-trade-center-workers
#19
Rafael E de la Hoz, Jonathan Weber, Dongming Xu, John T Doucette, Xiaoyu Liu, Deborah A Carson, Juan C Celedón
We examined the chest CT scans of 1,453 WTC responders using the International Classification of High-resolution CT for Occupational and Environmental Respiratory Diseases. Univariate and bivariate analyses of potential work-related pleural abnormalities were performed with pre-WTC and WTC-related occupational exposure data, spirometry, demographics and quantitative CT measurements. Logistic regression was used to evaluate occupational predictors of those abnormalities. Chest CT scans were performed first at a median of 6...
March 15, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29522380/medical-specialty-choice-and-well-being-at-work-physician-s-personality-as-a-moderator
#20
Sari Mullola, Christian Hakulinen, David Gimeno Ruiz de Porras, Justin Presseau, Markus Jokela, Jukka Vänskä, Tiina Paunio, Marko Elovainio
We examined whether physicians' personality traits moderate the association between medical specialty and well-being at work. Nationally representative sample of Finnish physicians (n = 2,815; 65% women; aged 25-72 years in 2015) was used. Personality was assessed with the shortened Big Five Inventory. Indicators of well-being at work were measured with scales from Work Ability Index, General Health Questionnaire, Jenkins' Sleep Problems Scale and Suicidal Ideation. Higher extraversion, openness to experience and agreeableness showed as personality traits beneficial for higher well-being at work among person-oriented specialties whereas higher conscientiousness but lower openness and agreeableness showed as personality traits beneficial for higher well-being at work among technique-oriented specialties...
March 9, 2018: Archives of Environmental & Occupational Health
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