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Archives of Environmental & Occupational Health

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https://www.readbyqxmd.com/read/29989495/how-to-be-a-great-occupational-physician-lessons-from-tar-ching-aw
#1
David Koh
No abstract text is available yet for this article.
July 10, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29920170/effect-of-nano-sized-sio2-particles-in-rats-cognitive-function-and-biochemical-response
#2
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
#3
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/29877782/environmental-health-sciences-and-empowering-people-to-use-science
#4
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/28901838/investigation-of-associations-between-exposures-to-pesticides-and-testosterone-levels-in-thai-farmers
#5
Parinya Panuwet, Chandresh Ladva, Dana Boyd Barr, Tippawan Prapamontol, John D Meeker, Priya Esilda D'Souza, Héctor Maldonado, P Barry Ryan, Mark G Robson
We conducted a cross-sectional study to assess the relationship between pesticide exposures and testosterone levels in 133 male Thai farmers. Urine and serum samples were collected concurrently from participants. Urine was analyzed for levels of specific and nonspecific metabolites of organophosphates (OPs), pyrethroids, select herbicides, and fungicides. Serum was analyzed for total and free testosterone. Linear regression analyses revealed significant negative relationships between total testosterone and the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) after controlling for covariates (eg, age, BMI, smoking status)...
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28622109/farmworker-and-nonfarmworker-latino-immigrant-men-in-north-carolina-have-high-levels-of-specific-pesticide-urinary-metabolites
#6
Thomas A Arcury, Haiying Chen, Paul J Laurienti, Timothy D Howard, Dana Boyd Barr, Dana C Mora, Sara A Quandt
This article compares detections and concentrations of specific organophosphate (OP), bis-dithiocarbamate, and pyrethroid pesticide urinary metabolites among Latino male farmworkers and nonfarmworkers in North Carolina. Data are from interviews and urine samples collected in 2012 and 2013. Farmworkers and nonfarmworkers frequently had detections for OP and pyrethroid pesticide urinary metabolites. Detection of bis-dithiocarbamate urinary metabolites was less frequent, but substantial among the nonfarmworkers...
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28622105/physically-strenuous-work-during-pregnancy-and-risk-of-preterm-birth
#7
Iben Risager Knudsen, Jens Peter Bonde, Sesilje Bondo Petersen
The aim of the study was to examine the risk of preterm birth following physically strenuous work during pregnancy. We included 343 pregnant women referred to an occupational medical clinic. Data on preterm birth and covariates were retrieved from the Danish Birth Registry. Risk estimates were computed by logistic regression using a population sample of gainfully employed women as reference (n = 345,915). The risk of preterm birth was increased in women lifting heavy loads during pregnancy (OR 1.40, 95% CI [0...
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28605270/characteristics-of-acute-occupational-pesticide-exposures-reported-to-poison-control-centers-in-texas-2000-2015
#8
Amber B Trueblood, Eva M Shipp
In the United States, there is limited literature on occupational pesticide exposures despite being associated with adverse health outcomes, including in large states such as Texas. The purpose of this article is to characterize occupational pesticide poison center exposures in Texas. Descriptive statistics were used to describe exposures (eg, exposure routes, type of pesticide, medical outcome, clinical effects, and temporal/seasonal patterns). From 2000 to 2015, there were 2,303 occupational pesticide poison center exposures...
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28489519/validity-and-reliability-of-the-disabilities-of-arm-shoulder-and-hand-scale-in-dental-students-a-transnational-study
#9
Danielle Wajngarten, Juliana Alvares Duarte Bonini Campos, Ana Carolina Botta, Patrícia Petromilli Nordi Sasso Garcia
This study aimed to evaluate the validity and reliability of the Disabilities of Arm, Shoulder, and Hand (DASH) scale in Brazilian and American dental students and assess the influence of demographic variables on disability in them. A cross-sectional observational study was conducted with a nonprobabilistic sample. The sample was composed of students of both genders from the School of Dentistry of Araraquara, State University of São Paulo (UNESP) (n = 288), and students from Stony Brook University, New York, NY, USA (n = 149)...
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28379067/mercury-omega-3-fatty-acids-and-seafood-intake-are-not-associated-with-heart-rate-variability-or-qt-interval
#10
Charles Miller, Roxanne Karimi, Susan Silbernagel, Danielle Kostrubiak, Frederick Schiavone, Qiao Zhang, Jie Yang, Eric Rashba, Jaymie R Meliker
Mercury (Hg), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) concentrations differ across seafood types. Our aim was to investigate the association of Hg, EPA, and DHA, as well as avid consumption of diverse seafood types, with cardiovascular variables heart rate variability (HRV) and QT interval duration (QTc) in a contemporary population. We measured HRV and QTc by Holter monitor, EPA and DHA in plasma, total Hg in whole blood, and possible confounders in 94 avid seafood consumers from Long Island, NY...
July 4, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28318430/factors-contributing-to-intercity-commercial-bus-drivers-crash-involvement-risk
#11
Mohammad Mehdi Besharati, Ali Tavakoli Kashani
The aim of this study was to examine the influence of demographic, environmental, and occupational factors as well as behavioral characteristics of intercity bus drivers on their crash involvement risk. A total of 107 intercity bus drivers from Tehran, Iran, participated in the study. Logistic regression model suggested that smokers, those who drive during night to morning, less experienced drivers, and those who operate older buses are more likely to be involved in crashes. In addition, a 1-unit increase in the weekly driving hours might significantly increase the drivers' crash involvement risk...
July 4, 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
#12
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
#13
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/29652632/lessons-for-environmental-health-sciences-from-perceptions-of-science-in-america
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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