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https://www.readbyqxmd.com/read/29774711/-health-impact-of-asbestos-fibres-naturally-occurring-in-mount-pollino-area-basilicata-region-southern-italy
#1
Angelo Caputo, Marco De Santis, Valerio Manno, Gabriella Cauzillo, Biagio Maria Bruni, Lorenzo Palumbo, Susanna Conti, Pietro Comba
OBJECTIVES: to estimate the health impact of asbestos fibres naturally occurring in Mount Pollino area (Basilicata Region, Southern Italy). DESIGN: geographic mortality, hospitalization, and incidence study. Setting and participant s: population resident in 12 Municipalities of Mount Pollino area with naturally occurring asbestos fibres. MAIN OUTCOME MEASURES: standardized mortality ratio (SMR) and standardized hospitalization rate (SHR) for asbestos-related diseases; standardized incidence ratio (SIR) for mesotheliomas...
March 2018: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/29772681/global-asbestos-disaster
#2
Sugio Furuya, Odgerel Chimed-Ochir, Ken Takahashi, Annette David, Jukka Takala
Introduction : Asbestos has been used for thousands of years but only at a large industrial scale for about 100⁻150 years. The first identified disease was asbestosis, a type of incurable pneumoconiosis caused by asbestos dust and fibres. The latest estimate of global number of asbestosis deaths from the Global Burden of Disease estimate 2016 is 3495. Asbestos-caused cancer was identified in the late 1930's but despite today's overwhelming evidence of the strong carcinogenicity of all asbestos types, including chrysotile, it is still widely used globally...
May 16, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29738812/dosimetry-of-inhaled-elongate-mineral-particles-in-the-respiratory-tract-the-impact-of-shape-factor
#3
Bahman Asgharian, T Price Owen, Eileen D Kuempel, Annie M Jarabek
Inhalation exposure to some types of fibers (e.g., asbestos) is well known to be associated with respiratory diseases and conditions such as pleural plaques, fibrosis, asbestosis, lung cancer, and mesothelioma. In recent years, attention has expanded to other types of elongate mineral particles (EMPs) that may share similar geometry with asbestos fibers but which may differ in mineralogy. Inhalability, dimensions and orientation, and density are major determinants of the aerodynamic behavior for fibers and other EMPs; and the resultant internal dose is recognized as being the critical link between exposure and pathogenesis...
May 5, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29723551/evaluation-of-airborne-asbestos-exposure-from-routine-handling-of-asbestos-containing-wire-gauze-pads-in-the-research-laboratory
#4
Ediberto Garcia, Daniel Newfang, Jayme P Coyle, Charles L Blake, John W Spencer, Leonard G Burrelli, Giffe T Johnson, Raymond D Harbison
Three independently conducted asbestos exposure evaluations were conducted using wire gauze pads similar to standard practice in the laboratory setting. All testing occurred in a controlled atmosphere inside an enclosed chamber simulating a laboratory setting. Separate teams consisting of a laboratory technician, or technician and assistant simulated common tasks involving wire gauze pads, including heating and direct wire gauze manipulation. Area and personal air samples were collected and evaluated for asbestos consistent with the National Institute of Occupational Safety Health method 7400 and 7402, and the Asbestos Hazard Emergency Response Act (AHERA) method...
April 30, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29714657/on-the-diagnosis-of-malignant-pleural-mesothelioma-a-necropsy-based-study-of-171-cases-1997-2016
#5
Pietro Gino Barbieri, Dario Mirabelli, Corrado Magnani, Alessandro Brollo
BACKGROUND: Malignant pleural mesothelioma (MPM) diagnosis is known to be difficult. We report on the diagnostic elements available in life in an MPM necropsy case series and describe the frequency of non-neoplastic asbestos-related diseases as biological exposure indices. METHODS: We reviewed pathologic and clinical records of an unselected series of autopsies (1977-2016) in patients with MPM employed in the Monfalcone shipyards or living with shipyard workers...
April 1, 2018: Tumori
https://www.readbyqxmd.com/read/29650903/-diffuse-malignant-peritoneal-mesothelioma-with-secondary-liver-invasion-diagnosed-using-laparoscopy-a-case-report
#6
Hiroshi Yasuda, Satoshi Okumura, Shou Toyoda, Kansuke Yamamoto, Naoto Mizumura, Aya Itou, Masao Ogawa, Masayasu Kawasaki, Masao Kameyama
A 69-year-old man with right upper quadrant abdominal pain and fever was referred to our hospital. He had a history of asbestosis exposure. Computed tomography(CT)revealed a mass at the right subhepatic space, and an antibiotic was administered after a diagnosis of an abdominal abscess. However, the patient did not respond to the treatment, and finally, exploratory laparoscopy was performed. A sheet of combined white nodules surrounding the right lobe of the liver was found, and the mass was continuous with the covering particles...
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29615629/asbestosis-is-prevalent-in-a-variety-of-construction-industry-trades
#7
G I Walters, A S Robertson, P S Bhomra, P S Burge
A diagnosis of asbestosis, which is a long-latency, fibrotic lung disease, has implications for the patient in terms of prognosis, treatment and compensation. Identifying and quantifying asbestos exposure is difficult without a detailed occupational history, and the threshold dose of asbestos required to cause asbestosis is not well understood. We reviewed all cases of asbestosis diagnosed between 2001 and 2016 at the Birmingham Regional NHS Occupational Lung Disease Service to determine the industries and occupations most frequently implicated in causation, in order to help clinicians identify where asbestosis might enter the differential diagnosis for a patient with chronic respiratory symptoms...
April 3, 2018: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/29479016/asbestos-exposure-biomarkers-in-the-follow-up-of-asbestos-exposed-workers
#8
Valentina Paolucci, Riccardo Romeo, Antonietta Gerardina Sisinni, Giuseppina Scancarello, Luca Volterrani, Maria Antonietta Mazzei, Lucio Barabesi, Pietro Sartorelli
Health surveillance of asbestos exposed workers should be stratified according to the exposure level. Unfortunately there is a lack of information regarding asbestos exposure in many working places and markers of asbestos exposure are often needed. The aim of the study was to assess the reliability of different dose and effect biomarkers in the follow up of asbestos-exposed workers.Mineralogical analysis of bronchoalveolar lavage fluid (BALF) as a biomarker of asbestos fibre burden was performed in a population of 307 male subjects occupationally exposed to asbestos...
February 26, 2018: Industrial Health
https://www.readbyqxmd.com/read/29464753/grade-4-asbestosis-does-not-extend-directly-from-the-respiratory-bronchiole-to-the-peripheral-lung
#9
Yoshinori Kawabata, Takahiko Kasai, Yoichiro Kobashi, Kunimitsu Kawahara, Toshimasa Uekusa, Kazuyoshi Kurashima, Yoshihiko Shimizu
AIMS: To confirm whether or not grade 4 asbestosis progresses from the respiratory bronchiole to the peripheral lung. METHODS AND RESULTS: We examined retrospectively the autopsy or lobectomy specimens from 31 cases (29 males; mean age 64 years) satisfying the pathological criteria of grade 4 asbestosis. Asbestos bodies (ABs) were quantified in samples of dissolved lung and in tissue preparations on glass slides. Respiratory bronchiolar lesions were graded as 0, 1 and ≥2...
February 21, 2018: Histopathology
https://www.readbyqxmd.com/read/29334525/temporal-patterns-of-exposure-to-asbestos-and-risk-of-asbestosis-an-analysis-of-a-cohort-of-asbestos-textile-workers
#10
Andrea Farioli, Francesco S Violante, Carlo La Vecchia, Eva Negri, Claudio Pelucchi, Giovanna Spatari, Paolo Boffetta, Enrico Pira
OBJECTIVE: The aim of the study was to assess the risk of asbestosis death based on the temporal pattern of exposure to asbestos. METHODS: We followed up a cohort of asbestos textile workers, employed in 1946 to 1984, until November 2013. We measured the duration of the employment, the time since last employment (TSLE), the age, and the year of first employment. Hazard ratios (HR) were estimated through multivariable Cox regression models. RESULTS: We observed 51 asbestosis deaths among 1823 workers...
January 12, 2018: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29306869/biological-responses-to-asbestos-inhalation-and-pathogenesis-of-asbestos-related-benign-and-malignant-disease
#11
Eduardo Solbes, Richart W Harper
Asbestos comprises a group of fibrous minerals that are naturally occurring in the environment. Because of its natural properties, asbestos gained popularity for commercial applications in the late 19th century and was used throughout the majority of the 20th century, with predominant use in the construction, automotive, and shipbuilding industries. Asbestos has been linked to a spectrum of pulmonary diseases, such as pleural fibrosis and plaques, asbestosis, benign asbestos pleural effusion, small cell lung carcinoma, non-small cell lung carcinoma, and malignant mesothelioma...
April 2018: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/29302253/polyvinylidene-fluoride-alters-inflammatory-responses-by-activation-induced-cell-death-in-macrophages
#12
Hyun Gyung Kim, Sang Hoon Kim, Taek-Seung Kim, Tae Won Park, Ran Won, Hee-Deung Park, Soo An Choi, Yong Woo Jung
Carbon nanotubes (CNTs) are nanomaterials that have been employed in generating diverse materials. We previously reported that CNTs induce cell death in macrophages, possibly via asbestosis. Therefore, we generated CNT-attached polyvinylidene fluoride (PVDF), which is an established polymer in membrane technology, and then examined whether CNT-attached PVDF is immunologically safe for medical purposes compared to CNT alone. To test this, we treated RAW 264.7 murine macrophages (RAW cells) with CNT-attached PVDF and analyzed the production of nitric oxide (NO), a potent proinflammatory mediator, in these cells...
December 2017: Immune Network
https://www.readbyqxmd.com/read/29284684/chest-physician-reported-work-related-long-latency-respiratory-disease-in-great-britain
#13
Melanie Carder, Andrew Darnton, Matthew Gittins, S Jill Stocks, David Ross, Chris M Barber, Raymond M Agius
Much of the current burden of long-latency respiratory disease (LLRD) in Great Britain is attributed to historical asbestos exposure. However, continuing exposure to other agents, notably silica, also contributes to disease burden. The aim of this study was to investigate the incidence of work-related LLRD reported by chest physicians in Great Britain, including variations by age, gender, occupation and suspected agent.LLRD incidence and incidence rate ratios by occupation were estimated (1996-2014). Mesothelioma cases by occupation were compared with proportional mortality ratios...
December 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29279043/characterization-of-pulmonary-responses-in-mice-to-asbestos-asbestiform-fibers-using-gene-expression-profiles
#14
Naveena Yanamala, Elena R Kisin, Dmitriy W Gutkin, Michael R Shurin, Martin Harper, Anna A Shvedova
Humans exposed to asbestos and/or asbestiform fibers are at high risk of developing many lung diseases including asbestosis, lung cancer, and malignant mesothelioma. However, the disease-causing potential and specific metabolic mechanisms and pathways associated with various asbestos/asbestiform fiber exposures triggering different carcinogenic and non-carcinogenic outcomes are still largely unknown. The aim of this this study was to investigate gene expression profiles and inflammatory responses to different asbestos/asbestiform fibers at the acute/sub-acute phase that may be related to delayed pathological outcomes observed at later time points...
2018: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29243467/high-resolution-ct-of-the-lungs-indications-and-diagnosis
#15
REVIEW
Helena Lauri
High-resolution computed tomography (HRCT) is a method of examination which is more precise than chest 2-rat in the diagnosis and monitoring of diseases of the lung tissue and the airways. Modern CT equipment enables a volume HRCT scan covering the whole lung tissue. HRCT slices can also be constructed from contrast-enhanced CT scans of the chest of the whole body. HRCT of the lungs can be applied to the diagnosis of both acute and more chronic diffuse diseases of the lung tissue and the airways. The best-known indications for HRCT include idiopathic interstitial pneumonias, such as idiopathic pulmonary fibrosis...
2017: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/29200597/plasma-fibulin-3-as-a-potential-biomarker-for-patients-with-asbestos-related-diseases-in-the-han-population
#16
Zhaoqiang Jiang, Shibo Ying, Wei Shen, Xianglei He, Junqiang Chen, Hailing Xia, Min Yu, Yun Xiao, Lingfang Feng, Lijin Zhu, Li Ju, Xinnian Guo, Yixiao Zhang, Jia-Wei Shen, Yan Tong, Xing Zhang, Jianlin Lou
Fibulin-3 has been reported as a potential biomarker for mesothelioma. However, little is known about the diagnostic efficacies of fibulin-3 for asbestos-related diseases (ARDs) in China. This study was to investigate the utility of fibulin-3 for asbestos exposure and ARDs. A total of 430 subjects were recruited from Southeast China, including healthy individuals, asbestos-exposed (AE) individuals, and patients with pleural plaques (PP), asbestosis, and malignant pleural mesothelioma (MPM). Plasma fibulin-3 was measured using the enzyme-linked immunosorbent assay...
2017: Disease Markers
https://www.readbyqxmd.com/read/29172825/metal-load-assessment-in-patient-pulmonary-lavages-towards-a-comprehensive-mineralogical-analysis-including-the-nano-sized-fraction
#17
Valérie Forest, Jean-Michel Vergnon, Cyril Guibert, Dimitrios Bitounis, Lara Leclerc, Gwendoline Sarry, Jérémie Pourchez
Mineralogical analyses of clinical samples have been proved useful to identify causal relationship between exposure to airborne particles and pulmonary diseases. The most striking example is asbestosis where the assessment of asbestos bodies in patient lung samples has allowed defining values specific of pathologies. However, this type of analyses only considers the micro-sized fraction of the particles, neglecting the specific impact of nano-sized particles which have been otherwise shown to be reactive and able to induce biological effects...
November 2017: Nanotoxicology
https://www.readbyqxmd.com/read/29160385/usual-interstitial-pneumonia-typical-possible-and-inconsistent-patterns
#18
Pedro Paulo Teixeira E Silva Torres, Marcelo Fouad Rabahi, Maria Auxiliadora Carmo Moreira, Gustavo de Souza Portes Meirelles, Edson Marchiori
Idiopathic pulmonary fibrosis is a severe and progressive chronic fibrosing interstitial lung disease, a definitive diagnosis being established by specific combinations of clinical, radiological, and pathological findings. According to current international guidelines, HRCT plays a key role in establishing a diagnosis of usual interstitial pneumonia (UIP). Current guidelines describe three UIP patterns based on HRCT findings: a typical UIP pattern; a pattern designated "possible UIP"; and a pattern designated "inconsistent with UIP", each pattern having important diagnostic implications...
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29149883/serum-concentrations-of-krebs-von-den-lungen-6-surfactant-protein-d-and-matrix-metalloproteinase-2-as-diagnostic-biomarkers-in-patients-with-asbestosis-and-silicosis-a-case-control-study
#19
Changjiang Xue, Na Wu, Xue Li, Meihua Qiu, Xuqin Du, Qiao Ye
BACKGROUND: Asbestosis and silicosis are progressive pneumoconioses characterized by interstitial fibrosis following exposure to asbestos or silica dust. We evaluated the potential diagnostic biomarkers for these diseases. METHODS: The serum concentrations of Krebs von den Lungen-6 (KL-6), surfactant protein D (SP-D), and matrix metalloproteinase-2 (MMP-2), MMP-7, and MMP-9 were measured in 43 patients with asbestosis, 45 patients with silicosis, 40 dust-exposed workers (DEWs) without pneumoconiosis, and 45 healthy controls (HCs)...
November 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29111984/asbestos-exposures-mesothelioma-incidence-and-mortality-and-awareness-by-general-practitioners-in-the-molise-region-central-italy
#20
Giancarlo Ripabelli, Manuela Tamburro, Domiziana Di Tella, Francesco Carrozza, Michela Lucia Sammarco
OBJECTIVE: The aim of this study was to evaluate environmental asbestos sources, mesothelioma incidence and mortality, and awareness on asbestos-related diseases (ARDs) by general practitioners (GPs) in Molise Region. METHODS: The contaminated sites in three towns were identified by census; mesothelioma incidence (2000 to 2012) and mortality (2003 to 2013) was achieved from local registries; GPs were interviewed on practiced population's exposures and ARDs diagnosis...
February 2018: Journal of Occupational and Environmental Medicine
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