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Occupational asthma

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https://www.readbyqxmd.com/read/28214136/japanese-guidelines-for-occupational-allergic-diseases-2017
#1
REVIEW
Kunio Dobashi, Kazuo Akiyama, Atsushi Usami, Hiroo Yokozeki, Zenro Ikezawa, Naomi Tsurikisawa, Yoichi Nakamura, Kazuhiro Sato, Jiro Okumura, Kaoru Takayama
In 2013, a guideline for occupational allergic diseases was published for the first time in Japan. Occupational allergic diseases are likely to worsen or become intractable as a result of continuous exposure to high concentrations of causative antigens, and are socioeconomically important diseases with which the patients might sometimes lose jobs due to work interruptions. Guidelines for occupational allergic diseases have been published in many countries. This guideline consists of six chapters about occupational asthma, occupational allergic rhinitis, occupational skin diseases, hypersensitivity pneumonitis and occupational anaphylaxis shock, and legal aspects of these diseases...
February 14, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28211347/occupational-asthma-to-detergent-protease-associated-with-a-late-phase-neutrophilic-cutaneous-response
#2
M Poussel, E Penven, L A Essari, F Chabot, A Barbaud, C Paris
No abstract text is available yet for this article.
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28177949/progress-with-structure-activity-relationship-modelling-of-occupational-chemical-respiratory-sensitizers
#3
Martin J Seed, Raymond M Agius
PURPOSE OF REVIEW: This appraises currently available computer-based ('in silico') models relating the molecular structure of low molecular weight compounds to their respiratory sensitization hazard. The present review places focus on the two main applications of such structure--activity relationship (SAR) models: hypotheses on disease mechanisms and toxicological prediction. RECENT FINDINGS: Analyses of the chemical structures of low molecular weight organic compounds known to have caused occupational asthma has led to the development of mechanistic alerts usually based on electrophilic reaction chemistry and protein cross-linking potential...
February 7, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28163029/airway-hyperresponsiveness-in-asthma-measurement-and-clinical-relevance
#4
REVIEW
Parameswaran Nair, James G Martin, Donald C Cockcroft, Myrna Dolovich, Catherine Lemiere, Louis-Philippe Boulet, Paul M O'Byrne
Airway hyperresponsiveness is a characteristic feature of asthma, and its measurement is an important tool in its diagnosis. With a few caveats, methacholine bronchial provocation by a 2-minute tidal breathing method is highly sensitive; a negative test result (PC20 > 16 mg/mL, PD20 > 400 μg) rules out current asthma with reasonable certainty. A PC20 value of less than 1 mg/mL/PD20 value of less than 25 μg is highly specific (ie, diagnostic) but quite insensitive for asthma. For accurate interpretation of the test results, it is important to control and standardize technical factors that have an impact on nebulizer performance...
February 2, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28159057/the-impact-of-parity-and-age-at-first-and-last-childbirth-on-the-prevalence-of-delayed-onset-asthma-in-women-the-korean-national-health-and-nutrition-examination-survey
#5
Ji Ho Choi, Bora Lee, Kyung Do Han, Se Hwan Hwang, Jae Hoon Cho
OBJECT: Asthma is a chronic inflammatory airway disease. The aim of this study was to investigate the relationships between asthma and reproductive factors, including age at first childbirth and parity, in a representative sample of Korean women. MAIN OUTCOME MEASURES: We analyzed data from the Korean National Health and Nutrition Examination Survey (2010-2012). A total of 7837 adults who completed a questionnaire and examination were evaluated. The presence of asthma was based on the Health Interview Survey...
March 2017: Maturitas
https://www.readbyqxmd.com/read/28153749/energy-landscape-of-a-gstp1-polymorph-linked-with-cytological-function-decay-in-response-to-chemical-stressors
#6
Zarrin Basharat, Azra Yasmin
Gene polymorphisms lead to varied structure and functional properties. A single nucleotide polymorphism (SNP) i.e. Ile105Val (rs1695) in glutathione S-transferase P1 (GSTP1) gene influences cytological toxicity and modulates the risk to occupational diseases. Apart from this, cancer, neuropathy, NOx, SOx and ozone mediated respiratory function decline including lung inflammation, asthma, allergy etc., have been reported in people with this missense mutation. Here, the functional properties of rs1695 polymorph are revisited through a computational approach...
April 20, 2017: Gene
https://www.readbyqxmd.com/read/28141626/update-on-asthma-and-cleaning-agents
#7
Ilenia Folletti, Andrea Siracusa, Giulia Paolocci
PURPOSE OF REVIEW: Asthma due to cleaning products has been known for 20 years, and the interest in this topic is still large because of the number of cleaning workers with respiratory problems. In this review, we sought to highlight the most recent findings on the relationship between exposure to cleaning products and asthma and to summarize the specific literature published between 2013 and 2016. RECENT FINDINGS: Women are confirmed as most of workers exposed to cleaning products and have a higher frequency than men of work-related respiratory symptoms and diseases...
February 2, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28139761/genome-wide-association-study-of-polymorphisms-predisposing-to-bronchiolitis
#8
Anu Pasanen, Minna K Karjalainen, Louis Bont, Eija Piippo-Savolainen, Marja Ruotsalainen, Emma Goksör, Kuldeep Kumawat, Hennie Hodemaekers, Kirsi Nuolivirta, Tuomas Jartti, Göran Wennergren, Mikko Hallman, Mika Rämet, Matti Korppi
Bronchiolitis is a major cause of hospitalization among infants. Severe bronchiolitis is associated with later asthma, suggesting a common genetic predisposition. Genetic background of bronchiolitis is not well characterized. To identify polymorphisms associated with bronchiolitis, we conducted a genome-wide association study (GWAS) in which 5,300,000 single nucleotide polymorphisms (SNPs) were tested for association in a Finnish-Swedish population of 217 children hospitalized for bronchiolitis and 778 controls...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093530/what-causes-occupational-asthma-in-cleaners
#9
Vicky C Moore, P Sherwood Burge, Alastair S Robertson, Gareth I Walters
No abstract text is available yet for this article.
January 16, 2017: Thorax
https://www.readbyqxmd.com/read/28093332/chitin-and-chitinase-role-in-pathogenicity-allergenicity-and-health
#10
REVIEW
Seema Patel, Arun Goyal
Chitin, a polysaccharide with particular abundance in fungi, nematodes and arthropods is immunogenic. It acts as a threat to other organisms, to tackle which they have been endowed with chitinase enzyme. Even if this enzyme is not present in all organisms, they possess proteins having chitin-binding domain(s) (ChtBD). Many lethal viruses like Ebola, and HCV (Hepatitis C virus) have these domains to manipulate their carriers and target organisms. In keeping with the basic rule of survival, the self-origin (own body component) chitins and chitinases are protective, but that of non-self origin (from other organisms) are detrimental to health...
April 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28091866/review-of-diagnostic-challenges-in-occupational-asthma
#11
REVIEW
Jacques A Pralong, Andre Cartier
PURPOSE OF REVIEW: Occupational asthma (OA) is one of the most frequent occupational diseases and its diagnosis is often difficult. This review summarizes its current diagnostic challenges. RECENT FINDINGS: OA is associated with significant health and socio-economic burden. It is underdiagnosed and physicians need to adopt a stepwise approach to confirm the diagnosis. Although early removal from exposure to the offending agent is associated with a better prognosis, physicians should try to confirm the diagnosis of work-related asthma before taking a worker off work...
January 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28089118/occupational-lung-diseases-from-old-and-novel-exposures-to-effective-preventive-strategies
#12
REVIEW
Paul Cullinan, Xavier Muñoz, Hille Suojalehto, Raymond Agius, Surinder Jindal, Torben Sigsgaard, Anders Blomberg, Denis Charpin, Isabella Annesi-Maesano, Mridu Gulati, Yangho Kim, Arthur L Frank, Metin Akgün, David Fishwick, Rafael E de la Hoz, Subhabrata Moitra
Occupational exposure is an important, global cause of respiratory disease. Unlike many other non-communicable lung diseases, the proximal causes of many occupational lung diseases are well understood and they should be amenable to control with use of established and effective approaches. Therefore, the risks arising from exposure to silica and asbestos are well known, as are the means of their prevention. Although the incidence of occupational lung disease has decreased in many countries, in parts of the world undergoing rapid economic transition and population growth-often with large informal and unregulated workforces-occupational exposures continue to impose a heavy burden of disease...
January 6, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28065800/occupational-asthma-caused-by-sensitization-to-a-cleaning-product-containing-triclosan
#13
Gareth I Walters, Alastair S Robertson, Vicky C Moore, P Sherwood Burge
No abstract text is available yet for this article.
January 5, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28055274/does-the-medical-diagnosis-of-occupational-asthma-coincide-with-the-legal-diagnosis
#14
Zeynep Çelebi Sözener, Ömür Aydın, Yavuz Selim Demirel, Şadan Soyyiğit, Pamir Çerçi, Reşat Kendirlinan, Sevim Bavbek, Gülfem Elif Çelik, Zeynep Mısırlıgil, Betül Ayşe Sin, Arif Keleşoğlu, Dilşad Mungan
Objective The incidence of occupational asthma(OA) is increasing worldwide. In this study, we first aimed to document the rate of diagnosis of OAamong patients who were referred to our clinic from Social Security Institution and factors that affected diagnosis, and secondly, we aimed to assess the consistency of the medical diagnosis and the legal diagnosis. Methods The study involved 132 consecutive patients who were referred to our clinic for evaluation of OA between 2010 and 2015. Detailed workplace history,the tools used in the diagnosis such as peak expiratory flow(PEF) monitoring and bronchial provocation tests and final medical diagnosis were recorded from case files...
January 5, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28035981/potential-inhibitory-influence-of-mirna-210-on-regulatory-t-cells-during-epicutaneous-chemical-sensitization
#15
Carrie Mae Long, Ewa Lukomska, Nikki B Marshall, Ajay Nayak, Stacey E Anderson
Toluene diisocyanate (TDI) is a potent low molecular weight chemical sensitizer and a leading cause of chemical-induced occupational asthma. The regulatory potential of microRNAs (miRNAs) has been recognized in a variety of disease states, including allergic disease; however, the roles of miRNAs in chemical sensitization are largely unknown. In a previous work, increased expression of multiple miRNAs during TDI sensitization was observed and several putative mRNA targets identified for these miRNAs were directly related to regulatory T-cell (Treg) differentiation and function including Foxp3 and Runx3...
December 27, 2016: Genes
https://www.readbyqxmd.com/read/28003835/a-citizen-science-study-documents-environmental-exposures-and-asthma-prevalence-in-two-communities
#16
Samantha Eiffert, Yomi Noibi, Stephen Vesper, Jonathan Downs, Florence Fulk, Juanita Wallace, Melanie Pearson, Andrea Winquist
A citizen-science study was conducted in two low-income, flood-prone communities in Atlanta, Georgia, in order to document environmental exposures and the prevalence of occupant asthma. Teams consisting of a public-health graduate student and a resident from one of the two communities administered a questionnaire, inspected residences for mold growth, and collected a dust sample for quantifying mold contamination. The dust samples were analyzed for the 36 molds that make up the Environmental Relative Moldiness Index (ERMI)...
2016: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28001013/management-and-prevention-of-occupational-asthma
#17
Susan M Tarlo
Occupational asthma is a potential preventable form of asthma. This review of diagnosis, management and prevention focuses mainly on publications from the past three years. Early suspicion of the diagnosis is essential for a timely diagnosis and management and the possibility may first be raised by the patient or may need to be elicited by careful history from the health care provider. Objective diagnostic steps are needed, as have been detailed in consensus statements and guidelines. A combination of tests is often needed for diagnosis and these are most easily obtained while the patient is still employed...
December 20, 2016: Minerva Medica
https://www.readbyqxmd.com/read/27988995/socio-economic-status-and-quality-of-life-in-children-with-chronic-disease-a-systematic-review
#18
REVIEW
Madeleine S Didsbury, Siah Kim, Meredith M Medway, Allison Tong, Steven J McTaggart, Amanda M Walker, Sarah White, Fiona E Mackie, Tonya Kara, Jonathan C Craig, Germaine Wong
Reduced quality of life (QoL) is a known consequence of chronic disease in children, and this association may be more evident in those who are socio-economically disadvantaged. The aims of this systematic review were to assess the association between socio-economic disadvantage and QoL among children with chronic disease, and to identify the specific socio-economic factors that are most influential. MEDLINE, Embase and PsycINFO were searched to March 2015. Observational studies that reported the association between at least one measure of social disadvantage in caregivers and at least one QoL measure in children and young people (age 2-21 years) with a debilitating non-communicable childhood disease (asthma, chronic kidney disease, type 1 diabetes mellitus and epilepsy) were eligible...
December 2016: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/27965314/how-voter-turnout-varies-between-different-chronic-conditions-a-population-based-register-study
#19
Reijo Sund, Hannu Lahtinen, Hanna Wass, Mikko Mattila, Pekka Martikainen
BACKGROUND: While poor self-rated health is known to decrease an individual's propensity to vote, disaggregation of the components of health on turnout has thus far received only little attention. This study deepens on the understanding of such relationships by examining the association between chronic diseases and voting. METHODS: The study uses an individual-level register-based data set that contains an 11% random sample of the entire electorate in the 1999 Finnish parliamentary elections...
December 13, 2016: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/27930478/prospective-impact-of-psychiatric-disorders-on-employment-status-and-health-care-use-in-patients-investigated-for-occupational-asthma
#20
Kim L Lavoie, Helene Favreau, Nicola J Paine, Catherine Lemière, Maryann Joseph, Avril Gagnon-Chauvin, André Cartier, Simon L Bacon
OBJECTIVE: We previously reported high rates (34%) of psychiatric disorders (PSY) in patients evaluated for occupational asthma (OA). We determined the impact of PSY on employment status and health care use 12 to 18 months later. METHODS: One hundred ninety-six patients underwent clinical and psychiatric interviews on the day of their OA evaluation. Patients were re-contacted 12to 18 months later to assess employment status and health care use. RESULTS: Results indicated that patients with a PSY at baseline were less likely to be employed (adjusted odds ratio = 2...
December 2016: Journal of Occupational and Environmental Medicine
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