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https://www.readbyqxmd.com/read/28527286/-possible-oral-transmission-of-chagas-disease-among-hydrocarbons-sector-workers-in-casanare-colombia-2014
#1
Liliana Patricia Zuleta-Dueñas, Ángela Johana López-Quiroga, Fernando Torres-Torres, Oneida Castañeda-Porras
INTRODUCTION: Trypanosoma cruzi, the etiological agent for Chagas disease, can be transmitted by oral intake of contaminated food or drinks. During epidemiological week 14 of 2014, two cases of acute Chagas disease were notified among hydrocarbons sector workers in Paz de Ariporo, Casanare. OBJECTIVE: To characterize the affected population, to establish control and prevention measures and to confirm the outbreak. MATERIALS AND METHODS: We conducted an outbreak investigation that included the following components: a) Search for symptomatic people compatible with Chagas disease according to the case definition for their referral to medical services; b) entomological survey (192/197 houses); c) sanitary inspection and microbiological analysis of food samples; and d) study of reservoirs...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28526047/the-paradigm-of-eave-tubes-scaling-up-house-improvement-and-optimizing-insecticide-delivery-against-disease-transmitting-mosquitoes
#2
Fredros Okumu
Control of mosquito-borne diseases is greatly compromised by spread of insecticide resistance, high implementation costs and sub-optimal compliance among users. Improved housing has potential to reduce malaria transmission nearly as much as long-lasting insecticide-treated nets (LLINs), while also preventing other arthropod-borne diseases and improving overall well-being. Yet, it is hardly promoted as mainstream intervention, partly because of high costs, minimal communal benefits to people in non-improved houses, and low scalability...
May 19, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28525996/cancer-risks-in-a-population-based-study-of-70-570-agricultural-workers-results-from-the-canadian-census-health-and-environment-cohort-canchec
#3
Linda Kachuri, M Anne Harris, Jill S MacLeod, Michael Tjepkema, Paul A Peters, Paul A Demers
BACKGROUND: Agricultural workers may be exposed to potential carcinogens including pesticides, sensitizing agents and solar radiation. Previous studies indicate increased risks of hematopoietic cancers and decreased risks at other sites, possibly due to differences in lifestyle or risk behaviours. We present findings from CanCHEC (Canadian Census Health and Environment Cohort), the largest national population-based cohort of agricultural workers. METHODS: Statistics Canada created the cohort using deterministic and probabilistic linkage of the 1991 Canadian Long Form Census to National Cancer Registry records for 1992-2010...
May 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28525599/analytical-method-for-pyrethroid-metabolites-in-urine-of-the-non-occupationally-exposed-population-by-gas-chromatography-mass-spectrometry
#4
Toshiaki Yoshida
Pyrethroids are widely being used as household insecticides or mothproof repellents. An analytical method is described for determination of urinary metabolites as biomarkers for monitoring exposure to the pyrethroids. In total, 11 urinary metabolites, 3-(2-carboxyprop-1-enyl)-2,2-dimethylcyclopropanecarboxylic acid, 3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylic acid, 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylic acid, 4-fluoro-3-phenoxybenzoic acid, 4-methoxymethyl-2,3,5,6-tetrafluorobenzly alcohol, 2-methyl-3-phenylbenzoic acid, 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol, 3-phenoxybenzoic acid, 2,3,5,6-tetrafluorobenzoic acid and 2,2,3,3-tetramethylcyclopropanecarboxylic acid, were enzymatically hydrolyzed and extracted with toluene...
May 19, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28525588/diving-and-long-term-cardiovascular-health
#5
K Åsmul, Å Irgens, M Grønning, A Møllerløkken
Background: Short-term cardiovascular effects from ambient pressure exposure are known. However, long-term cardiovascular effects from diving in humans have been less studied. Aims: To examine possible long-term cardiovascular health effects from occupational diving. Methods: We compared the prevalence of cardiovascular disease in former divers to non-divers. We obtained data on male former divers with a certificate valid for professional diving after 1980, from the Norwegian Diver 2011 project, and matched data on the general male population from the HUNT3 Survey...
May 19, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28524802/effects-of-occupational-silica-exposure-on-oxidative-stress-and-immune-system-parameters-in-ceramic-workers-in-turkey
#6
Hatice Gul Anlar, Merve Bacanli, Servet İritaş, Ceylan Bal, Türker Kurt, Engin Tutkun, O Hinc Yilmaz, Nursen Basaran
Silica is the second most common element after oxygen, and therefore, exposures to crystalline silica dust occur in a large variety of occupations such as metal foundries, constructions, and ceramic, quarry, and pottery industries. Since crystalline silica exposure has been linked with silicosis, lung cancer, and other pulmonary diseases, adverse effect attributed to this element has be a cause for concern worldwide. Silica dust exposure in workers is still considered to be important health problem especially in developing countries...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524757/wood-smoke-exposure-of-portuguese-wildland-firefighters-dna-and-oxidative-damage-evaluation
#7
Ana Abreu, Carla Costa, Susana Pinho E Silva, Simone Morais, Maria do Carmo Pereira, Adília Fernandes, Vanessa Moraes de Andrade, João Paulo Teixeira, Solange Costa
Portugal is among the European Union countries most devastated by forest fires each year. In the last three decades, more than 3.8 million hectares of forest were burned. Wildland firefighters are exposed to a variety of hazards, including many toxic combustion products that may lead to deleterious health effects. Epidemiological studies showed a positive association between firefighting and several chronic diseases, including cancer. Results from biomonitoring studies in firefighters, particularly concerning genotoxicity evaluation, constitute a valuable tool for investigating important occupational hazards...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524743/nanoparticle-exposures-from-nano-enabled-toner-based-printing-equipment-and-human-health-state-of-science-and-future-research-needs
#8
Sandra Vanessa Pirela, John Martin, Dhimiter Bello, Philip Demokritou
Toner formulations used by laser printers (LP) and photocopiers (PC), collectively called "toner-based printing equipment" (TPE), are nano-enabled products (NEP) because they contain several engineered nanomaterials (ENM) that improve toner performance. It has been shown that during consumer use (printing), these ENM are released in the air, together with other semi-volatile organic nanoparticles, and newly formed gaseous co-pollutants such as volatile organic compounds (VOC). The aim of this review is to detail and analyze physico-chemical and morphological (PCM), as well as the toxicological properties of particulate matter (PM) emissions from TPE...
May 19, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28524264/maternal-occupational-physical-activity-and-risk-for-orofacial-clefts
#9
A J Agopian, Jihye Kim, Peter H Langlois, Laura Lee, Lawrence W Whitehead, Elaine Symanski, Michele L Herdt, George L Delclos
OBJECTIVES: To perform a case-control study of maternal occupational physical activity and risk for orofacial clefts in Texas during 1999-2009. METHODS: We used logistic regression to assess 14 measures of physical activity estimated from a job exposure matrix, using the maternal occupation reported on the birth certificate, among 887 children with cleft lip with or without cleft palate (CLP), 436 children with cleft palate only (CP), and 1932 controls. RESULTS: After adjusting for several potential confounders, seven measures of physical activity (as a categorical and/or continuous variable) were significantly associated with CLP, CP, or both...
May 19, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28523158/pleural-and-peritoneal-mesotheliomas-in-the-friuli-venezia-giulia-register-data-analysis-from-1995-to-2015-in-northeastern-italy
#10
Flavia D'Agostin, Paola De Michieli, Carolin Chermaz, Corrado Negro
BACKGROUND: The Friuli Venezia Giulia Mesothelioma Register contains a case-list of 1,109 mesotheliomas (1,034 pleural, 75 peritoneal) during 1995-2015. Exposure data are available for almost all cases. The aim was to assess mesothelioma incidence in the Region, an area with several shipyards, and to investigate determinants of mesothelioma latency among occupational cases. METHODS: Incidence rates were calculated. Univariate and multivariate analyses were performed to estimate latency time by anatomical site, gender, diagnostic period and industry sector...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28521771/cancer-incidence-among-finnish-male-cobalt-production-workers-in-1969-2013-a-cohort-study
#11
Riitta Sauni, Panu Oksa, Jukka Uitti, Asko Linna, Raimo Kerttula, Eero Pukkala
BACKGROUND: There is inadequate evidence for the carcinogenicity of cobalt and cobalt compounds in humans. Consequently, the International Agency for Research on Cancer (IARC) has evaluated cobalt metal without tungsten carbide as possibly carcinogenic to humans (Group 2B). The aim of the study was to assess the risk of cancer among workers employed in a Finnish cobalt plant since the beginning of production in 1968. METHODS: The study cohort consisted of all males employed by the Finnish cobalt plant for at least a year during 1968-2004...
May 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28521760/avian-influenza-a-h7n9-risk-perception-information-trust-and-adoption-of-protective-behaviours-among-poultry-farmers-in-jiangsu-province-china
#12
Bin Cui, Qiuyan Liao, Wendy Wing Tak Lam, Zong Ping Liu, Richard Fielding
BACKGROUND: Poultry farmers are at high-risk from avian influenza A/H7N9 infection due to sustained occupational exposures to live poultry. This study examined factors associated with poultry farmers' adoption of personal protective behaviours (PPBs) based on Protection Motivation Theory (PMT). METHODS: Totally, 297 poultry farmers in three cities of Jiangsu Province, China were interviewed during November 2013-January 2014. Data on PMT constructs, perceived trustworthiness of A/H7N9 information from mass media (formal sources), friends and family (informal sources), intention to adopt and actual adoption of PPBs and respondents' demographics were collected...
May 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28520953/evolving-insights-into-the-epidemiology-and-control-of-clostridium-difficile-in-hospitals
#13
Daniel A Caroff, Deborah S Yokoe, Michael Klompas
Typing studies suggest most cases of hospital-onset Clostridium difficile infection are unrelated to other cases of active disease in the hospital. New cases may instead be due to transmissions from asymptomatic carriers or progression of latent C.difficile present-on-admission to active infection. Direct exposure to antibiotics remains the primary risk factor for C.difficile infection but ward-level antibiotic use, antibiotic exposure of the prior room occupant, and C.difficile status of the prior room occupant increase risk for C...
May 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28516892/current-situations-and-discussions-in-japan-in-relation-to-the-new-occupational-equivalent-dose-limit-for-the-lens-of-the-eye
#14
Sumi Yokoyama, Nobuyuki Hamada, Toshiyuki Hayashida, Norio Tsujimura, Hideo Tatsuzaki, Tadahiro Kurosawa, Kuniaki Nabatame, Hiroyuki Ohguchi, Kazuko Ohno, Chiyo Yamauchi-Kawaura, Takeshi Iimoto, Takeshi Ichiji, Yutaka Hotta, Satoshi Iwai, Keiichi Akahane
Since the International Commission on Radiological Protection recommended reducing the occupational equivalent dose limit for the lens of the eye in 2011, extensive discussions have been made in various countries. This paper reviews current situations in radiation protection of the ocular lens and discussions on the potential impact of the new lens dose limit in Japan. Topics include historical changes in the lens dose limit, current situations in occupational lens exposures (e.g., in medical workers, nuclear workers, and Fukushima nuclear power plant workers) and measurements, current status of biological studies and epidemiological studies on radiation cataracts...
May 18, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28516353/physical-hazard-safety-awareness-among-healthcare-workers-in-tanta-university-hospitals-egypt
#15
Rania M El-Sallamy, Ibrahim Ali Kabbash, Sanaa Abd El-Fatah, Asmaa El-Feky
Hospital workers are exposed to many occupational hazards that may threaten their health and safety. Physical hazards encountered in hospital working environment include temperature, illumination, noise, electrical injuries, and radiation. To assess the awareness of healthcare workers (HCWs) about physical hazards in Tanta university hospitals, this cross-sectional study included 401 HCWs (physicians, nurses, technicians, and workers) from seven departments (general surgery, orthopedics, radiology, ophthalmology, kitchen, incinerator, and laundry)...
May 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28516258/-biomarkers-of-internal-exposure-to-toxicologically-relevant-contaminants-in-food
#16
REVIEW
Klaus Abraham, Bernhard Monien, Alfonso Lampen
The assessment of health risks resulting from the intake of genotoxic carcinogens in food depends essentially on a valid exposure assessment. The reliability of the external exposure estimation is restricted by various factors, e. g. inaccurate data from dietary protocols and variations of food contaminant contents. As an alternative, the individual internal exposure to genotoxic substances may be described by specific biomarkers in different matrices. For example, mercapturic acids formed after glutathione conjugation of electrophilic metabolites can be detected in the urine...
May 17, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28516256/-skin-diseases-associated-with-environmental-factors
#17
REVIEW
Vera Mahler
BACKGROUND: Multiple environmental exposures may derange the regulatory and repair mechanisms of the skin and lead to dermatological disease. OBJECTIVES: Provide an overview of non-allergic skin diseases associated with environmental factors. MATERIALS AND METHODS: Review of current scientific evidence for associations of non-allergic skin diseases with environmental exposures: irritation, chemicals, infection, UV-radiation, temperature. RESULTS: Predisposition (constitution e...
May 17, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28516187/-the-aged-scalp-a-dermato-oncological-focus-point
#18
REVIEW
N Wroblewski, K Wylon, C Ulrich
Non-melanoma skin cancer and its precursor lesions are common diagnoses in dermatological practice, due to rising incidence and prevalence. Diagnosis is often clinical with subsequent histological confirmation. First-choice treatment for invasive carcinomas is complete surgical excision. Other therapeutic options, such as radiation or systemic therapies, should only be considered when excision is impossible. Mostly located on parts of the scalp that are poorly visible and accessible, particularly for elderly patients, these lesions are a challenge for physicians and patients alike...
May 17, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28515945/exposure-to-occupational-hazards-for-pregnancy-and-sick-leave-in-pregnant-workers-a-cross-sectional-study
#19
Jean-Bernard Henrotin, Monique Vaissière, Maryline Etaix, Mathieu Dziurla, Stéphane Malard, Dominique Lafon
BACKGROUND: This study aimed to investigate the association between exposure to occupational hazards for pregnancy and sick leave (SL) in pregnant workers. METHODS: A cross-sectional study was performed in French occupational health services in 2014. Occupational hazards for pregnancy were assessed by occupational health physicians (OHPs). After delivery and at the time of returning to work, 1,495 eligible workers were interviewed by OHPs. Information on SL was self-reported...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28515300/a-novel-a-h7n2-influenza-virus-isolated-from-a-veterinarian-caring-for-cats-in-a-new-york-city-animal-shelter-causes-mild-disease-and-transmits-poorly-in-the-ferret-model
#20
Jessica A Belser, Joanna A Pulit-Penaloza, Xiangjie Sun, Nicole Brock, Claudia Pappas, Hannah M Creager, Hui Zeng, Terrence M Tumpey, Taronna R Maines
In December 2016, a low pathogenic avian influenza (LPAI) A(H7N2) virus was identified as the causative source of an outbreak in a cat shelter in New York City, which subsequently spread to multiple shelters in New York and Pennsylvania. One person with occupational exposure to infected cats became infected with the virus, representing the first LPAI H7N2 human infection in North America since 2003. Considering the close contact that frequently occurs between companion animals and humans, it was critical to assess the relative risk of this novel virus to public health...
May 17, 2017: Journal of Virology
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