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International Journal of Hygiene and Environmental Health

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https://www.readbyqxmd.com/read/29339022/exposure-assessments-for-a-cross-sectional-epidemiologic-study-of-us-carbon-nanotube-and-nanofiber-workers
#1
Matthew M Dahm, Mary K Schubauer-Berigan, Douglas E Evans, M Eileen Birch, Stephen Bertke, John D Beard, Aaron Erdely, Joseph E Fernback, Robert R Mercer, Sergey A Grinshpun
BACKGROUND: Recent animal studies have suggested the potential for wide-ranging health effects resulting from exposure to carbon nanotubes and nanofibers (CNT/F). To date, no studies in the US have directly examined the relationship between occupational exposure and potential human health effects. OBJECTIVES: Our goal was to measure CNT/F exposures among US workers with representative job types, from non-exposed to highly exposed, for an epidemiologic study relating exposure to early biologic effects...
January 11, 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29325698/what-causes-childhood-stunting-among-children-of-san-vicente-guatemala-employing-complimentary-system-analysis-approaches
#2
Lee E Voth-Gaeddert, Matthew Stoker, Devin Cornell, Daniel B Oerther
Guatemala has the sixth worst stunting rate with 48% of children under five years of age classified as stunted according to World Health Organization standards. This study utilizes two different yet complimentary system-analysis approaches to analyze correlations among environmental and demographic variables, environmental enteric dysfunction (EED), and child height-for-age (stunting metric) in Guatemala. Two descriptive models constructed around applicable environmental and demographic factors on child height-for-age and EED were analyzed using Network Analysis (NA) and Structural Equation Modeling (SEM)...
January 5, 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29307571/mixing-of-shiga-toxin-producing-and-enteropathogenic-escherichia-coli-in-a-wastewater-treatment-plant-receiving-city-and-slaughterhouse-wastewater
#3
Delphine Bibbal, Maryse Michèle Um, Alpha Amadou Diallo, Monique Kérourédan, Véronique Dupouy, Pierre-Louis Toutain, Alain Bousquet-Mélou, Eric Oswald, Hubert Brugère
Wastewater of human and animal may contain Shiga toxin-producing (STEC) and enteropathogenic (EPEC) Escherichia coli. We evaluated the prevalence of such strains in a wastewater treatment plant (WWTP) receiving both city and slaughterhouse wastewater. PCR screenings were performed on 12,248 E. coli isolates. The prevalence of STEC in city wastewater, slaughterhouse wastewater and treated effluent was 0.22%, 0.07% and 0.22%, respectively. The prevalence of EPEC at the same sampling sites was 0.63%, 0.90% and 0...
December 29, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29290573/corrigendum-to-environmental-health-risk-assessment-of-dioxin-in-foods-at-the-two-most-severe-dioxin-hot-spots-in-vietnam-int-j-hyg-environ-health-218-2015-471-478
#4
Tran Thi Tuyet-Hanh, Nguyen Hung Minh, Le Vu-Anh, Michael Dunne, Leisa-Maree Toms, Thomas Tenkate, Minh-Hue Nguyen Thi, Fiona Harden
No abstract text is available yet for this article.
December 28, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29331275/low-level-cadmium-exposure-and-cardiovascular-outcomes-in-elderly-australian-women-a-cohort-study
#5
Kane E Deering, Anna C Callan, Richard L Prince, Wai H Lim, Peter L Thompson, Joshua R Lewis, Andrea L Hinwood, Amanda Devine
BACKGROUND: Cadmium has been associated with increased risk of cardiovascular disease (CVD) in observational studies, however there has been a limited focus on this relationship in women. OBJECTIVES: This study investigated the association of urinary cadmium (UCd) concentrations with CVD outcomes and all-cause mortality in elderly Western Australian (WA) women. METHODS: UCd excretion was measured at baseline in 1359 women, mean age 75.2 ± 2...
December 26, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29330038/asthmatic-wheezing-phenotypes-in-preschool-children-influential-factors-health-care-and-urban-rural-differences
#6
Susanne Kutzora, Alisa Weber, Stefanie Heinze, Lana Hendrowarsito, Uta Nennstiel-Ratzel, Erika von Mutius, Nina Fuchs, Caroline Herr
BACKGROUND: Different wheezing and asthmatic phenotypes turned out to indicate differences in etiology, risk factors and health care. We examined influential factors and urban-rural differences for different phenotypes. METHODS: Parents of 4732 children filled out a questionnaire concerning children's health and environmental factors administered within the Health Monitoring Units (GME) in a cross-sectional study in Bavaria, Germany (2014/2015). To classify respiratory symptoms, five phenotype groups were built: episodic, unremitting and frequent wheeze, ISAAC (International Study of Asthma and Allergies in Children) - asthma and physician-diagnosed asthma (neither of the groups are mutually exclusive)...
December 24, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29268955/residential-proximity-to-high-density-poultry-operations-associated-with-campylobacteriosis-and-infectious-diarrhea
#7
Melissa N Poulsen, Jonathan Pollak, Deborah L Sills, Joan A Casey, Sara G Rasmussen, Keeve E Nachman, Sara E Cosgrove, Dalton Stewart, Brian S Schwartz
Poultry carry zoonotic bacteria that can cause gastroenteritis in humans. Environmental transmission of pathogens from poultry operations may increase gastrointestinal infection risk in surrounding communities. To evaluate associations between residential proximity to high-density poultry operations and individual-level diarrheal illnesses, we conducted a nested case-control study among 514,488 patients in Pennsylvania (2006-2015). Using electronic health records, we identified cases of five gastrointestinal outcomes: three pathogen-specific infections, including Escherichia coli (n = 1425), Campylobacter (n = 567), and Salmonella (n = 781); infectious diarrhea (n = 781); and non-specific diarrhea (2012-2015; n = 28,201)...
December 15, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29287935/increased-cancers-among-residents-living-in-the-neighborhood-of-a-petrochemical-complex-a-12-year-retrospective-cohort-study
#8
Tzu-Hsuen Yuan, Yu-Cheng Shen, Ruei-Hao Shie, Shou-Hung Hung, Chen-Fang Chen, Chang-Chuan Chan
This study investigates whether cancers are increased for residents living in the vicinity of a petrochemical complex with coal power plants and refineries. We recruited a residential cohort of 2388 long-term residents aged above 35 years in 2009-2012 who lived within a 40 km radius of the complex. We measured their internal exposure biomarkers of urinary carcinogenic metals and retrospectively compared cancer incidences between those who lived fewer than 10 km from the complex (high exposure, HE) and those who lived more than 10 km from the complex (low exposure, LE)...
December 14, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29279237/temperature-driven-growth-of-legionella-in-lab-scale-activated-sludge-systems-and-interaction-with-protozoa
#9
C Caicedo, K-H Rosenwinkel, R Nogueira
The occurrence of Legionella pneumophila in activated sludge systems has been reported in the literature. However, the factors triggering its growth are not yet well understood. This knowledge is needed to develop strategies to minimize the risk of the spread of Legionnaires' disease that originates in these systems. In the present study, L. pneumophila multiplied exponentially at 35 °C in activated sludge, but lower temperatures (24 °C and 15 °C) did not favour the growth of the pathogen despite the presence of its protozoan hosts (free-living amoeba and ciliates)...
December 14, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29254843/presence-of-stenotrophomonas-maltophilia-exhibiting-high-genetic-similarity-to-clinical-isolates-in-final-effluents-of-pig-farm-wastewater-treatment-plants
#10
Young-Ji Kim, Jin-Hyeong Park, Kun-Ho Seo
Although the prevalence of community-acquired Stenotrophomonas maltophilia infections is sharply increasing, the sources and likely transmission routes of this bacterium are poorly understood. We studied the significance of the presence of S. maltophilia in final effluents and receiving rivers of pig farm wastewater treatment plants (WWTPs). The loads and antibiotic resistance profiles of S. maltophilia in final effluents were assessed. Antibiotic resistance determinants and biofilm formation genes were detected by PCR, and genetic similarity to clinical isolates was investigated using multilocus sequence typing (MLST)...
December 8, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29217424/modelling-the-impact-of-future-socio-economic-and-climate-change-scenarios-on-river-microbial-water-quality
#11
M M Majedul Islam, Muhammad Shahid Iqbal, Rik Leemans, Nynke Hofstra
Microbial surface water quality is important, as it is related to health risk when the population is exposed through drinking, recreation or consumption of irrigated vegetables. The microbial surface water quality is expected to change with socio-economic development and climate change. This study explores the combined impacts of future socio-economic and climate change scenarios on microbial water quality using a coupled hydrodynamic and water quality model (MIKE21FM-ECOLab). The model was applied to simulate the baseline (2014-2015) and future (2040s and 2090s) faecal indicator bacteria (FIB: E...
December 4, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29233481/road-traffic-noise-and-determinants-of-saliva-cortisol-levels-among-adolescents
#12
Alva Wallas, Charlotta Eriksson, Olena Gruzieva, Tomas Lind, Andrei Pyko, Mattias Sjöström, Mikael Ögren, Göran Pershagen
OBJECTIVES: The understanding of determinants for saliva cortisol levels in adolescents is limited. This study investigated the role of road traffic noise exposure, noise annoyance and various other factors for saliva cortisol levels. METHODS: We collected morning and evening saliva samples from 1751 adolescents from the BAMSE birth cohort based in Stockholm County. Façade noise levels from road traffic were estimated at the residences of the study subjects and repeated questionnaires and medical examinations provided extensive information on various exposures and conditions, including annoyance to noise from different sources...
November 22, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29175300/perfluorooctanoic-acid-and-low-birth-weight-estimates-of-us-attributable-burden-and-economic-costs-from-2003-through-2014
#13
Julia Malits, Jan Blustein, Leonardo Trasande, Teresa M Attina
BACKGROUND AND OBJECTIVE: In utero exposure to perfluorooctanoic acid (PFOA) has been associated with decreases in birth weight. We aimed to estimate the proportion of PFOA-attributable low birth weight (LBW) births and associated costs in the US from 2003 to 2014, a period during which there were industry-initiated and regulatory activities aimed at reducing exposure. METHODS: Serum PFOA levels among women 18-49 years were obtained from the National Health and Nutrition Examination Survey (NHANES) for 2003-2014; birth weight distributions were obtained from the Vital Statistics Natality Birth Data...
November 22, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29174975/consumers-perceptions-of-biocidal-products-in-households
#14
Stefanie Wieck, Oliver Olsson, Klaus Kümmerer
Biocidal products are commonly used in households and can pose a risk to human health and the environment. The aim of this study was to evaluate consumers' use and understanding of biocidal products in order to identify starting points for minimising their exposure to these products and reducing possible emissions to the environment. In a case study, standardised questionnaires were used to interview consumers in 133 households in three neighbourhoods in Northern Germany, representing the urban-rural typologies in Europe: predominantly urban, intermediate and predominantly rural regions...
November 22, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29174976/deposition-pattern-of-aerosolized-legionella-using-an-ex-vivo-human-porcine-respiratory-model
#15
Sophie Perinel, Valérie Forest, Mathilde Landraud, Jérémie Pourchez, Françoise Girardot, Serge Riffard, Magalie Stauffert, Jean-Michel Vergnon, Séverine Allegra
Legionella are bacteria responsible for severe lung pathologies. However how they enter and are deposited within the respiratory tract remains poorly documented. Data using animal testing led to the establishment of mathematical models allowing the estimation of aerosol dispersion risks. But direct extrapolation to humans is questionable and experimental models more physiologically representative of the inhalation route are welcome. The aim of this study was to develop a model as close as possible to the human anatomy and physiology allowing determining the deposition pattern of aerosolized Legionella while limiting in vivo experiments...
November 20, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29162486/cadmium-body-burden-and-pregnancy-induced-hypertension
#16
Hongxiu Liu, Wei Xia, Shunqing Xu, Bin Zhang, Bin Lu, Zheng Huang, Hongling Zhang, Yangqian Jiang, Wenyu Liu, Yang Peng, Xiaojie Sun, Yuanyuan Li
Previous studies provided a strong evidence of the association between environmental exposure to cadmium (Cd) and hypertension in the general population. However, the role of Cd in pregnancy-induced hypertension (PIH) remains unclear. A total of 5429 pregnant women was selected from a birth cohort in Wuhan, China to investigate the association between Cd exposure and risk of PIH. Among them, 199 (3.7%) women were diagnosed with PIH. The Cd concentrations in maternal urine collected at delivery were measured by inductively coupled plasma mass spectrometry...
November 18, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29133137/a-systematic-review-of-the-public-health-risks-of-bioaerosols-from-intensive-farming
#17
REVIEW
Philippa Douglas, Sarah Robertson, Rebecca Gay, Anna L Hansell, Timothy W Gant
BACKGROUND: Population growth, increasing food demands, and economic efficiency have been major driving forces behind farming intensification over recent decades. However, biological emissions (bioaerosols) from intensified livestock farming may have the potential to impact human health. Bioaerosols from intensive livestock farming have been reported to cause symptoms and/or illnesses in occupational-settings and there is concern about the potential health effects on people who live near the intensive farms...
November 7, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29133138/contextual-factors-and-motivations-affecting-rural-community-sanitation-in-low-and-middle-income-countries-a-systematic-review
#18
REVIEW
Josef Novotný, Jiří Hasman, Martin Lepič
BACKGROUND: Unsafe management of human faecal waste represents a major risk for public health, particularly in low- and middle-income countries. Efforts to improve sanitation conditions are considerably sensitive to contextual specifics of natural and social environments. This review operationalises, analyses, and synthesises evidence of how contextual factors and motivations affect different sanitation outcomes with a specific focus on community approaches to rural sanitation. METHODS AND FINDINGS: We operationalised contextual factors and motivations as determinants that influence sanitation conditions independently of the examined intervention...
November 6, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29108681/legionella-contamination-in-warm-water-systems-a-species-level-survey
#19
Thorsten Dilger, Holger Melzl, André Gessner
Legionellae constitute a frequent contamination of warm water systems and can lead to serious infections. Therefore, in many countries it is mandatory to monitor warm water systems for their presence. The method of examination in Germany is regulated by guideline ISO 11731 and DIN EN ISO 11731-2, and the results are reported as concentration of Legionella spp. Only limited information is available on the presence of individual species of Legionellae in the examined systems, since most investigations and research focus solely on Legionella pneumophila as the most important human pathogen...
November 3, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29126886/platinum-palladium-rhodium-molybdenum-and-strontium-in-blood-of-urban-women-in-nine-countries
#20
Gerda Rentschler, Ilia Rodushkin, Milena Cerna, Chunying Chen, Florencia Harari, Raúl Harari, Milena Horvat, Frantiska Hruba, Lucie Kasparova, Kvetoslava Koppova, Andrea Krskova, Mladen Krsnik, Jawhar Laamech, Yu-Feng Li, Lina Löfmark, Thomas Lundh, Nils-Göran Lundström, Badiaa Lyoussi, Darja Mazej, Josko Osredkar, Krystyna Pawlas, Natalia Pawlas, Adam Prokopowicz, Staffan Skerfving, Janja Snoj Tratnik, Vera Spevackova, Zdravko Spiric, Anneli Sundkvist, Ulf Strömberg, Drazenka Vadla, Katerina Wranova, Soumia Zizi, Ingvar A Bergdahl
BACKGROUND: There is little reliable information on human exposure to the metals platinum (Pt), palladium (Pd) and rhodium (Rh), despite their use in enormous quantities in catalytic converters for automobile exhaust systems. OBJECTIVES: To evaluate blood concentrations of Pt (B-Pt), Pd (B-Pd) and Rh (B-Rh) in women from six European and three non-European countries, and to identify potentially influential factors. In addition, molybdenum (Mo) and strontium (Sr) were analysed...
November 2, 2017: International Journal of Hygiene and Environmental Health
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