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Occupational lung disease

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https://www.readbyqxmd.com/read/28651405/-clinical-stages-and-outcomes-of-severe-cases-on-hand-foot-and-mouth-disease
#1
J Zhang, Y Jin, J L Sun, Y X Wang, X J Wang, X Q Fu, Z P Miao, J Lyu
Objective: To understand the characteristics and relation of clinical stage and outcome of severe cases on hand, foot and mouth disease (HFMD) and to establish the evaluation method for understanding severity of this disease. Methods: According to factors as geographical location, economic and epidemic levels, five provinces (Henan, Shandong, Yunnan, Zhejiang and Sichuan provinces) were selected. Reported severe cases of HFMD from the National Notifiable Diseases Reporting System were selected randomly in the five provinces...
May 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28642672/multifocal-osteonecrosis-secondary-to-occupational-exposure-to-aluminum
#2
Jorge Henrique Assunção, Eduardo Angeli Malavolta, Mauro Emilio Conforto Gracitelli, Renée Zon Filippi, Arnaldo Amado Ferreira
Multifocal osteonecrosis is a rare disease; chronic use of corticosteroids is considered the main risk factor. Patients with chronic renal failure can develop aluminum toxicity, which can lead to osteomalacia and encephalopathy. An association between osteonecrosis and aluminum toxicity has been reported among patients with dialytic renal insufficiency. Occupational exposure to aluminum rarely causes lung disease and no cases of bone lesions resulting from exposure to this metal have been reported. In this manuscript, we describe a novel case of a patient with multifocal osteonecrosis associated with chronic occupational exposure to aluminum...
May 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28638425/the-effect-of-wood-aerosols-and-bioaerosols-on-the-respiratory-systems-of-wood-manufacturing-industry-workers-in-golestan-province
#3
Phateme Badirdast, Mansour Rezazadeh Azari, Soussan Salehpour, Ali Ghadjari, Soheila Khodakarim, Davod Panahi, Moslem Fadaei, Abolfazl Rahimi
BACKGROUND: Occupational exposure to dust leads to acute and chronic respiratory diseases, occupational asthma, and depressed lung function. In the light of a lack of comprehensive studies on the exposure of Iranian workers to wood dusts, the objective of this study was to monitor the occupational exposure to wood dust and bioaerosol, and their correlation with the lung function parameters in chipboard manufacturing industry workers. MATERIALS AND METHODS: A cross-sectional study was conducted on chipboard workers in Golestan Province; a total of 150 men (100 exposed cases and 50 controls) were assessed...
2017: Tanaffos
https://www.readbyqxmd.com/read/28614923/-serum-levels-of-periostin-and-their-influencing-factors-in-the-beta-lactam-antibiotic-enterprise-workers
#4
S S Gao, Z S Song, Q Jia, X Li, C L Li, X W Chen, C B Zheng
Objective: To observe serum levels of periostin, ECP, IgE in the antibiotic enterprise workers, and study the role of periostin, ECP, IgE in the development of allergic inflammation. Methods: 90 cases with asthma or rhinitis were enrolled as disease group, another 117 workers exposed to 7-ACA、6-APA dust without suffering from allergic illness, are chosen as group of dust exposed, and 192 healthy workers who didn't contact dust were chosen as control group. Questionnaires were used to learn their basic information...
April 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28598931/distinct-clinical-phenotypes-of-occupational-asthma-due-to-diisocyanates
#5
Paola Mason, Maria Cristina Scarpa, Filippo Liviero, Gabriella Guarnieri, Piero Maestrelli
OBJECTIVE: To assess whether diisocyanate occupational asthma represents a unique phenotype. METHODS: We studied 187 patients with diagnosis of asthma due to diisocyanates confirmed by a positive specific inhalation challenge. The simplified algorithm from severe asthma research program (SARP) (Moore et al, 2010) was applied to classify patients into five clusters. RESULTS: Our patients were allocated in three of the five clusters described in common asthma, since the most severe Clusters (4 and 5) were not represented...
June 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28592098/-the-effect-of-short-term-exposure-to-ambient-no-2-on-lung-function-and-fractional-exhaled-nitric-oxide-in-33-chronic-obstructive-pulmonary-disease-patients
#6
J Shan, Y Ni, W Dong, J H Xu, L Pan, H Y Li, X Yang, S W Wu, Y H Chen, F R Deng, X B Guo
Objectives: To investigate the effect of short-term exposure to ambient NO(2) has influence on lung function and fractional exhaled nitric oxide (FeNO) in chronic obstructive pulmonary disease (COPD) patients. Methods: A panel of doctor-diagnosed stable COPD patients (n=33) were recruited and repeatedly measured for lung function and FeNO from December 2013 to October 2014. The patients who lived in Beijing for more than one year and aged between 60 and 85 years old were included in the study. We excluded patients with asthma, bronchial tensor, lung cancer and other respiratory disorders other than chronic obstructive pulmonary disease and occupational exposure and chest trauma surgery patients...
June 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28588347/glycoprotein-ykl-40-levels-in-plasma-are-associated-with-fibrotic-changes-on-hrct-in-asbestos-exposed-subjects
#7
Tuija Väänänen, Lauri Lehtimäki, Katriina Vuolteenaho, Mari Hämäläinen, Panu Oksa, Tuula Vierikko, Ritva Järvenpää, Jukka Uitti, Hannu Kankaanranta, Eeva Moilanen
YKL-40 is a chitinase-like glycoprotein produced by alternatively activated macrophages that are associated with wound healing and fibrosis. Asbestosis is a chronic asbestos-induced lung disease, in which injury of epithelial cells and activation of alveolar macrophages lead to enhanced collagen production and fibrosis. We studied if YKL-40 is related to inflammation, fibrosis, and/or lung function in subjects exposed to asbestosis. Venous blood samples were collected from 85 men with moderate or heavy occupational asbestos exposure and from 28 healthy, age-matched controls...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28572155/elastin-receptor-s-gal-occupancy-by-elastin-peptides-modulates-t-cell-response-during-murine-emphysema
#8
Aïda Meghraoui-Kheddar, Alexandre Pierre, Mehdi Sellami, Sandra Audonnet, Flora Lemaire, Richard Le Naour
Chronic obstructive pulmonary disease and emphysema are associated with increased elastin peptides (EP) production due to excessive breakdown of lung connective tissue. We recently reported that exposure of mice to EP elicited hallmark features of emphysema. EP effects are largely mediated through a receptor complex which includes the elastin-binding protein S-gal. In previous studies, we established a correlation between cytokine production and S-gal protein expression in EP treated immune cells. In this study, we investigated the S-gal-dependent EP effects on T helper (Th) and T cytotoxic (Tc) responses during murine EP-triggered pulmonary inflammation...
June 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28553720/cognitive-impairment-and-clinical-characteristics-in-patients-with-chronic-obstructive-pulmonary-disease
#9
Fiona A H M Cleutjens, Martijn A Spruit, Rudolf W H M Ponds, Lowie E G W Vanfleteren, Frits M E Franssen, Candy Gijsen, Jeanette B Dijkstra, Emiel F M Wouters, Daisy J A Janssen
We aimed to investigate (1) the relationship between cognitive impairment (CI) and disease severity and (2) the potential differences in exercise performance, daily activities, health status, and psychological well-being between patients with and without CI. Clinically stable chronic obstructive pulmonary disease (COPD) patients, referred for pulmonary rehabilitation, underwent a neuropsychological examination. Functional exercise capacity (6-minute walk test [6MWT]), daily activities (Canadian Occupational Performance Measure [COPM]), health status (COPD Assessment Test [CAT]) and St George's Respiratory Questionnaire-COPD specific [SGRQ-C]), and psychological well-being (Hospital Anxiety and Depression Scale [HADS], Beck Depression Inventory [BDI], and Symptom Checklist 90 [SCL-90]) were compared between patients with and without CI...
January 1, 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/28552777/comparison-of-the-toxicity-of-sintered-and-unsintered-indium-tin-oxide-particles-in-murine-macrophage-and-epidermal-cells
#10
Nicole S Olgun, Anna M Morris, Tabatha Lynn Barber, Aleksandr B Stefaniak, Michael L Kashon, Diane Schwegler-Berry, Kristin J Cummings, Stephen S Leonard
Indium-tin oxide (ITO) is used to produce flat panel displays and several other technology products. Composed of 90% indium oxide (In2O3) and 10% tin oxide (SnO2) by weight, ITO is synthesized under conditions of high heat via a process known as sintering. Indium lung disease, a recently recognized occupational illness, is characterized by pulmonary alveolar proteinosis, fibrosis, and emphysema. Murine macrophage (RAW 264.7) and epidermal (JB6) cells stably transfected with AP-1 to study tumor promoting potential, were used to differentiate between the toxicological profiles of sintered ITO (SITO) and unsintered mixture (UITO)...
May 25, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28551075/diagnostic-accuracy-of-post-mortem-ct-with-targeted-coronary-angiography-versus-autopsy-for-coroner-requested-post-mortem-investigations-a-prospective-masked-comparison-study
#11
Guy N Rutty, Bruno Morgan, Claire Robinson, Vimal Raj, Mini Pakkal, Jasmin Amoroso, Theresa Visser, Sarah Saunders, Mike Biggs, Frances Hollingbury, Angus McGregor, Kevin West, Cathy Richards, Laurence Brown, Rebecca Harrison, Roger Hew
BACKGROUND: England and Wales have one of the highest frequencies of autopsy in the world. Implementation of post-mortem CT (PMCT), enhanced with targeted coronary angiography (PMCTA), in adults to avoid invasive autopsy would have cultural, religious, and potential economic benefits. We aimed to assess the diagnostic accuracy of PMCTA as a first-line technique in post-mortem investigations. METHODS: In this single-centre (Leicester, UK), prospective, controlled study, we selected cases of natural and non-suspicious unnatural death referred to Her Majesty's (HM) Coroners...
May 24, 2017: Lancet
https://www.readbyqxmd.com/read/28524802/effects-of-occupational-silica-exposure-on-oxidative-stress-and-immune-system-parameters-in-ceramic-workers-in-turkey
#12
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/28513256/do-current-oels-for-silica-protect-from-obstructive-lung-impairment-a-critical-review-of-epidemiological-data
#13
Perrine Hoet, Laure Desvallées, Dominique Lison
Inhalation of respirable crystalline silica (RCS) can lead to serious health effects such as silicosis and lung cancer. There also seems to be a general consensus to consider that RCS exposure is associated with obstructive lung impairment or chronic obstructive pulmonary disease (COPD), a leading cause of mortality, morbidity, and disability worldwide. It is, however, not clear whether occupational exposure levels (OELs), generally set to prevent silicosis, also protect workers from developing an obstructive impairment...
May 17, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28481981/socioeconomic-position-and-mortality-risk-of-smoking-evidence-from-the-english-longitudinal-study-of-ageing-elsa
#14
Dan Lewer, Martin McKee, Antonio Gasparrini, Aaron Reeves, Cesar de Oliveira
: It is not clear whether the harm associated with smoking differs by socioeconomic status. This study tests the hypothesis that smoking confers a greater mortality risk for individuals in low socioeconomic groups, using a cohort of 18 479 adults drawn from the English Longitudinal Study of Ageing. Additive hazards models were used to estimate the absolute smoking-related risk of death due to lung cancer or Chronic Obstructive Pulmonary Disease (COPD). Smoking was measured using a continuous index that incorporated the duration of smoking, intensity of smoking and the time since cessation...
May 7, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28481622/cardiomyocytes-of-the-heart-and-pulmonary-veins-novel-contributors-to-asthma
#15
Stephen Sai Folmsbee, Cara J Gottardi
Recent genome-wide association studies have implicated both cardiac and pulmonary vein-related genes in the pathogenesis of asthma. Since cardiac cells are not present in lung airways or viewed to affect the immune system, interpretation of these findings in the context of more well-established contributors to asthma has remained challenging. However, cardiomyocytes are present in the lung, specifically along pulmonary veins, and recent murine models suggest that cardiac cells lining pulmonary veins may contribute to allergic airway disease...
May 8, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28444932/the-association-of-lamb1-polymorphism-and-expression-changes-with-the-risk-of-coal-workers-pneumoconiosis
#16
Xiaoming Ji, Baiqun Wu, Ruhui Han, Jingjin Yang, Esther Ayaaba, Ting Wang, Lei Han, Chunhui Ni
BACKGROUND: Pneumoconiosis is a serious occupational disease worldwide, which is characterized by irreversible and diffuse lung fibrotic lesions. Laminin beta 1(LAMB1) is widely expressed in tissues and it is crucial for both lung morphogenesis and physiological function. In this study, we explored the association between LAMB1 rs4320486 and risk of pneumoconiosis in a Chinese population, as well as its mechanisms. METHODS: In this case-control study, 600 CWP patients and 605 controls were genotyped for the LAMB1 rs4320486 polymorphism using TaqMan methods...
April 26, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28443582/high-resolution-computed-tomography-and-pulmonary-function-findings-of-occupational-arsenic-exposure-in-workers
#17
Recai Ergün, Ender Evcik, Dilek Ergün, Begüm Ergan, Esin Özkan, Özge Gündüz
BACKGROUND: The number of studies where non-malignant pulmonary diseases are evaluated after occupational arsenic exposure is very few. AIMS: To investigate the effects of occupational arsenic exposure on the lung by high-resolution computed tomography and pulmonary function tests. STUDY DESIGN: Retrospective cross-sectional study. METHODS: In this study, 256 workers with suspected respiratory occupational arsenic exposure were included, with an average age of 32...
May 5, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28440535/socioeconomic-status-and-its-relationship-to-chronic-respiratory-disease
#18
Sonu Sahni, Ankoor Talwar, Sameer Khanijo, Arunabh Talwar
Socioeconomic status (SES) is defined as an individual's social or economic standing, and is a measure of an individual's or family's social or economic position or rank in a social group. It is a composite of several measures including income, education, occupation, location of residence or housing. Studies have found a lower SES has been linked to disproportionate access to health care in many diseases. There is emerging data in pulmonary diseases such as COPD, asthma, cystic fibrosis, pulmonary hypertension and other chronic respiratory conditions that allude to a similar observation noted in other chronic diseases...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28434983/future-perspective-of-butter-flavorings-related-occupational-lung-disease
#19
EDITORIAL
Kendall B Wallace
No abstract text is available yet for this article.
April 20, 2017: Toxicology
https://www.readbyqxmd.com/read/28431523/the-utility-of-electron-microscopy-in-detecting-asbestos-fibers-and-particles-in-balf-in-diffuse-lung-diseases
#20
Takashi Kido, Yasuo Morimoto, Kazuhiro Yatera, Hiroshi Ishimoto, Takaaki Ogoshi, Keishi Oda, Kei Yamasaki, Toshinori Kawanami, Shohei Shimajiri, Hiroshi Mukae
BACKGROUND: In patients with diffuse lung diseases, differentiating occupational lung diseases from other diseases is clinically important. However, the value of assessing asbestos and particles in bronchoalveolar lavage fluid (BALF) in diffuse lung diseases by electron microscopy (EM) remains unclear. We evaluated the utility of EM in detecting asbestos fibers and particles in patients with diffuse lung diseases. METHODS: The BALF specimens of 107 patients with diffuse lung diseases were evaluated...
April 21, 2017: BMC Pulmonary Medicine
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