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Occupational asthma

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https://www.readbyqxmd.com/read/29147010/epithelial-folliculin-is-involved-in-airway-inflammation-in-workers-exposed-to-toluene-diisocyanate
#1
Duy L Pham, Tu Hk Trinh, Ga-Young Ban, Seung-Hyun Kim, Hae-Sim Park
Toluene diisocyanate (TDI) exposure can directly activate and damage airway epithelium. Folliculin (FLCN) is a protein expressed by human airway epithelial cells (HAECs) to maintain airway epithelial integrity and survival. This study investigated the involvement of FLCN in the pathogenesis of TDI-induced occupational asthma (OA). Enzyme-linked immunosorbent assay was used to measure serum levels of FLCN in TDI-exposed subjects (93 TDI-OA patients and 119 asymptomatic exposed controls (AEC)), 200 non-occupational asthma (NOA) patients and 71 unexposed healthy normal controls (NCs)...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29142570/assessment-of-work-related-asthma-cases-our-three-year-experience
#2
Ayse Coskun Beyan, Nur Safak Alici, Arif Cimrin
Objective: Work-related asthma (WRA) is one of the most common occupational diseases. In this study, we aimed to review diagnosing procedures and the characteristics of patients who were diagnosed with WRA. Methods: Between November 2013 and June 2016; 214 patients were referred to our clinic with WRA suspicion by an occupational health specialist, personal visit, chest disease specialists [61 (28%), 51 (23%), and 102 (47%) respectively]. Occupational history, functional and radiological assessment, skin prick test, PEF monitoring were done...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29133137/a-systematic-review-of-the-public-health-risks-of-bioaerosols-from-intensive-farming
#3
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/29129163/occupational-lung-diseases-in-australia
#4
Ryan F Hoy, Fraser Brims
Occupational exposures are an important determinant of respiratory health. International estimates note that about 15% of adult-onset asthma, 15% of chronic obstructive pulmonary disease and 10-30% of lung cancer may be attributable to hazardous occupational exposures. One-quarter of working asthmatics either have had their asthma caused by work or adversely affected by workplace conditions. Recently, cases of historical occupational lung diseases have been noted to occur with new exposures, such as cases of silicosis in workers fabricating kitchen benchtops from artificial stone products...
November 20, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/29118577/associations-between-occupational-inhalation-risks-and-feno-levels-in-airway-obstruction-patients-results-from-the-national-health-and-nutrition-examination-survey-2007-2012
#5
Yi-Chih Huang, Mei-Chen Yang
Purpose: To investigate associations between occupational inhalation risks and fractional exhaled nitric oxide (FeNO) levels in patients with chronic obstructive pulmonary disease (COPD). Patients and methods: Data of 16,486 subjects who had undergone spirometry with pre-bronchodilator and post-bronchodilator lung function assessment were retrieved from the National Health and Nutrition Examination Survey, 2007-2012 database. After excluding 2,638 subjects with missing spirometry values, data of 13,336 subjects were included for analysis...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29117440/the-utility-of-monitoring-trimellitic-anhydride-tma-specific-igg-to-predict-ige-mediated-sensitization-in-an-immunosurveillance-program
#6
Debajyoti Ghosh, Cory Clay, Jonathan A Bernstein
BACKGROUND: Workplace exposure to Trimellitic Anhydride (TMA) can elicit TMA-specific IgE (sIgE), which may lead to occupational asthma (OA). An occupational immunosurveillance program (OISP) has been implemented to monitor TMA exposure and immunologic outcomes. The purpose of this study was to determine whether TMA-specific IgG (sIgG) responses can discriminate between TMA-exposed workers with and without sIgE responses. METHODS: Serum TMA-specific antibody (IgG, IgG4 and IgE) levels were estimated longitudinally (years 2006 to 2014) in TMA-exposed workers recruited in low, medium and high exposure areas...
November 8, 2017: Allergy
https://www.readbyqxmd.com/read/29116992/enhancing-worker-health-through-clinical-decision-support-cds-an-introduction-to-a-compilation
#7
Margaret S Filios, Eileen Storey, Sherry Baron, Genevieve B Luensman, Richard N Shiffman
OBJECTIVE: This article outlines an approach to developing clinical decision support (CDS) for conditions related to work and health. When incorporated in electronic health records, such CDS will assist primary care providers (PCPs) care for working patients. METHODS: Three groups of Subject Matter Experts (SMEs) identified relevant clinical practice guidelines, best practices, and reviewed published literature concerning work-related asthma, return-to-work, and management of diabetes at work...
November 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29102311/environmental-and-molecular-study-of-fungal-flora-in-asthmatic-patients
#8
H Trablesi, I Hadrich, S Neji, N Fendri, D Ghorbel, F Makni, H Ayadi, S Kammoun, A Ayadi
The aim of the present study was to investigate the epidemiological and fungal environmental profile in asthmatic patients. We conducted a prospective study involving 49 patients with allergic asthma. One hundred and forty-five clinical samples and 289 environmental samples were performed. Only 30 patients accepted to participate to the environmental study at their home. For specific IgE antibodies, ELISA assay was conducted for 21 patients. Molecular ITS sequencing was performed for 37 isolates. The frequency of attacks was significantly associated with the seasonality, which was closely related to climate (P=0...
October 25, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29083017/pulmonary-prevention-program-in-the-proszowice-county-description-and-results
#9
Wojciech Skucha, Filip Mejza, Pawel Nastalek, Zbigniew Doniec
INTRODUCTION: In the Proszowice county, both lung cancer and chronic obstructive pulmonary disease (COPD) are more common in comparison with other regions of Poland. The purpose of this study was to provide a report on a prevention program carried out in the area to reduce the burden of COPD and lung cancer in the region. MATERIAL AND METHODS: The program consisted of the following: active prevention - questionnaire survey offered to every county inhabitant aged at least 40 and chest X-ray and spirometry performed in selected subjects; and passive prevention - covering multiple educational activities promoting healthy lifestyle...
October 30, 2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29074549/occupational-exposure-and-asthma-control
#10
EDITORIAL
Dick Heederik
No abstract text is available yet for this article.
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29061601/the-prevalence-of-non-communicable-diseases-in-northwest-ethiopia-survey-of-dabat-health-and-demographic-surveillance-system
#11
Solomon Mekonnen Abebe, Gashaw Andargie, Alemayehu Shimeka, Kassahun Alemu, Yigzaw Kebede, Mamo Wubeshet, Amare Tariku, Abebaw Gebeyehu, Mulugeta Bayisa, Mezgebu Yitayal, Tadesse Awoke, Temesgen Azmeraw, Melkamu Birku
OBJECTIVE: The main objective of this study was to investigate the magnitude and associated factors of non-communicable chronic diseases (NCDs) at the Dabat Health and Demographic Surveillance System (DHDSS) site in the northwestern part of Ethiopia. DESIGN: A population-based cross-sectional study was conducted from October to December 2014. SETTING: HDSS site, Ethiopia. PARTICIPANTS: A total population of 67 397 living in 16 053 households was included in the study...
October 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/29040709/occupational-asthma-caused-by-an-epoxy-amine-hardener
#12
O Vandenplas, C Rifflart, G Evrard, J Thimpont, M Seed, R Agius
We describe a 43-year-old epoxy floor layer who developed work-related asthma while exposed to an epoxy hardener based on isophorone diamine (IPDA). Challenge exposures to the curing of the epoxy resin system and subsequently to the polyfunctional amine hardener containing IPDA both elicited delayed asthmatic reactions. This report further indicates that exposure to epoxy hardeners containing polyfunctional amines should be considered as a potential cause of occupational asthma. Appropriate work hygiene measures should be implemented to minimize airborne exposure to these volatile compounds...
October 12, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/29037302/feno-levels-increase-with-degree-of-sensitisation-in-apprentices-at-risk-of-occupational-asthma
#13
P Wild, H Mével, E Penven, D Zmirou-Navier, A Barbaud, A Bohadana, C Paris
BACKGROUND: Atopy has emerged as a major determinant of airway inflammation. OBJECTIVE: To examine whether early markers of occupational asthma increase with degree of sensitisation. METHOD: This study was a prospective follow-up study of apprentices in baking, pastry-cooking and hairdressing during their 2-year apprenticeship. Four visits were conducted to administer a standardised questionnaire, a methacholine challenge test to assess bronchial hyperresponsiveness (BHR) and to measure fractional exhaled nitric oxide (FeNO)...
November 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29032572/effect-of-enterovirus-infections-on-asthma-in-young-children-a-national-cohort-study
#14
Jun-Jun Yeh, Cheng-Li Lin, Wu-Huei Hsu
BACKGROUND: We conducted a cohort study to determine the relationship between enterovirus (EV) infection and asthma. MATERIALS AND METHODS: From the National Health Insurance Research Database of Taiwan, we identified patients who received a new diagnosis of asthma and concurrent treatment between January 2000 and December 2011 (EV cohort: n = 208,213; non-EV cohort: n = 208,213). Cox proportional hazards regression analysis was performed to determine and compare the adjusted hazard ratios (aHRs) of asthma between these 2 cohorts...
October 15, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29030000/occupational-asthma-from-biological-pest-control-in-greenhouses
#15
Irmeli Lindström, Heidi Karvonen, Katri Suuronen, Hille Suojalehto
No abstract text is available yet for this article.
October 10, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29028250/comprehensive-biological-monitoring-to-assess-isocyanates-and-solvents-exposure-in-the-nsw-australia-motor-vehicle-repair-industry
#16
Jimmy Hu, Phillip Cantrell, Aklesh Nand
Urethane products that contain isocyanates are extensively used in the motor vehicle repair (MVR) industry and other industries such as furniture and cabinet-making as two-pack spray paints, clears, and adhesives. Attention has recently been refocussed on isocyanate-containing chemicals, particularly in paints. The spray painters in the MVR industry had a propensity to develop industrial asthma at a rate 80 times higher than the general public, which was previously reported in the UK. To track workers exposure to isocyanates, urine samples were collected from 196 spray painters who worked mainly in 78 MVR shops across 54 New South Wales (NSW) towns and suburbs...
October 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28983782/electronic-cigarettes-their-constituents-and-potential-links-to-asthma
#17
REVIEW
Phillip W Clapp, Ilona Jaspers
PURPOSE OF REVIEW: Vaping is gaining popularity in the USA, particularly among teens and young adults. While e-cigs are commonly represented as safer alternatives to tobacco cigarettes, little is known regarding the health effects of their short- or long-term use, especially in individuals with pre-existing respiratory diseases such as asthma. Flavored e-cig liquids (e-liquids) and e-cig aerosols contain airway irritants and toxicants that have been implicated in the pathogenesis and worsening of lung diseases...
October 5, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28982772/occupational-exposure-to-disinfectants-and-asthma-control-in-us-nurses
#18
Orianne Dumas, Aleta S Wiley, Catherine Quinot, Raphaëlle Varraso, Jan-Paul Zock, Paul K Henneberger, Frank E Speizer, Nicole Le Moual, Carlos A Camargo
Disinfectant use has been associated with adverse respiratory effects among healthcare workers. However, the specific harmful agents have not been elucidated. We examined the association between occupational exposure to disinfectants and asthma control in the Nurses' Health Study II, a large cohort of female nurses.Nurses with asthma were invited in 2014 to complete two questionnaires on their current occupation and asthma (response rate 80%). Asthma control was defined by the Asthma Control Test (ACT). Exposure to major disinfectants was evaluated by a job-task-exposure matrix (JTEM)...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28964679/reactive-indoor-air-chemistry-and-health-a-workshop-summary
#19
REVIEW
J R Wells, C Schoemaecker, N Carslaw, M S Waring, J E Ham, I Nelissen, P Wolkoff
The chemical composition of indoor air changes due to the reactive nature of the indoor environment. Historically, only the stable parent compounds were investigated due to their ease of measurement by conventional methods. Today, however, scientists can better characterize oxidation products (gas and particulate-phase) formed by indoor chemistry. An understanding of occupant exposure can be developed through the investigation of indoor oxidants, the use of derivatization techniques, atmospheric pressure detection, the development of real-time technologies, and improved complex modeling techniques...
November 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28955434/the-epidemiology-of-noncommunicable-respiratory-disease-in-sub-saharan-africa-the-middle-east-and-north-africa
#20
REVIEW
Rana Ahmed, Ryan Robinson, Kevin Mortimer
Noncommunicable diseases (NCDs) are a major and increasing global health issue. The World Health Organization (WHO) estimates that NCDs represent 63% of all global deaths of which 3.9 million are due to chronic respiratory diseases (CRDs) and Chronic Obstructive Pulmonary Disease (COPD) in particular. COPD is now the third most common cause of death globally; 90% of these deaths occur in Low and Middle Income Countries (LMICs). COPD affects 329 million people, almost 5% of the world's population. In addition, asthma affects 334 million people, again representing almost 5% of the world's population...
June 2017: Malawi Medical Journal: the Journal of Medical Association of Malawi
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