asbestos exposure characterize

Occupational Exposure and the Risk of Barrett's Esophagus: …

Results. We examined 226 cases of definitive BE and 1,424 controls without BE. There was a greater proportion of patients with self-reported asbestos exposure in cases than controls (16.2 % vs. 12.0 %; p = 0.08) but no significant differences in metal dust, organic solvents, or pesticides. The multivariate model did not show an independent association …

(PDF) Residential proximity to naturally occurring asbestos …

Residential Proximity to Naturally Occurring Asbestos and Mesothelioma Risk in California Xue-lei Pan, Howard W. Day, Wei Wang, Laurel A. Beckett, and Marc B. Schenker Department of Public Health Sciences, Department of Geology, and Department of Statistics, University of California at Davis, Davis, California Rationale: Little is known …

Frequency of Asbestos Exposure and Histological Subtype …

The International Agency for Research on Cancer established a causal link between asbestos exposure and ovarian cancer. However, the exposure frequency and histological characteristics of asbestos-associated ovarian cancers remain to be investigated in detail. ... The aim of this multicenter study was to characterize exposure …

Desmoplastic Mesothelioma: Overview, …

Asbestos exposure is the primary cause. Symptoms include chest pain and fluid buildup in the lungs. Doctors use biopsies to diagnose desmoplastic mesothelioma. ... Dense fibrous tissue and reduced …

Characteristics of asbestos fibers in lung tissue from …

Introduction. Although smoking is the primary risk factor for lung cancer, asbestos exposure is also an acknowledged risk factor for this malignancy 1 – 3.There is adequate evidence supporting that all six types of asbestos are carcinogenic and can cause mesothelioma and lung cancer, laryngeal cancer, and ovarian cancer in humans …

What Respiratory Conditions Are Associated with Asbestos?

Asbestosis is characterized by the following radiographic changes: fine, irregular opacities in both lung fields (especially in the bases) and septal lines that progress to …

Asbestos and Fire Fighters July 2019

Asbestos exposure can also occur by drinking asbestos fibers if they are present in water, although these ... In an air monitoring study done to characterize exposures during the overhaul phase, area sampling for asbestos showed an average sample concentration of 0.073 fibers/cc across 46

Short-Term Asbestos Exposure | How Much Is …

Short-term asbestos exposure is categorized as lasting less than a few days. Learn whether there are risks involved with one-time exposure to asbestos.

Airborne asbestos exposure during light aircraft brake …

To characterize the asbestos exposure that results from the installation and maintenance of these components, an aircraft fitted with asbestos containing brake pads had brake changes performed while both area and personal air samples were taken. The brake changing process took place in a closed, unventilated aircraft hanger and all …

Evaluation of take home (para-occupational) exposure to asbestos …

The potential for para-occupational (or "take-home") exposure to a number of chemicals has been recognized for over 60 years. We conducted a literature review in order to characterize reported cases of asbestos-related disease among contacts of workers occupationally exposed to asbestos. O …

Asbestosis

Asbestosis is a form of interstitial pulmonary fibrosis caused by asbestos exposure. Asbestosis can cause progressive dyspnea on exertion, nonproductive cough, and fatigue. ... (International Classification of Radiographs of Pneumoconioses) is used to characterize the presence and severity of pneumoconioses based on size, shape, location, and ...

History of knowledge and evolution of …

The understanding by industrial hygienists of the hazards of asbestos and appropriate ways to characterize and control exposure has evolved over the years. ... These early developments set the stage for …

Efficiency of Sampling and Analysis of Asbestos Fibers on …

Many asbestos exposure risk models attribute health effects to fibers longer than 5 µm. In these models, both the 0.45 µm and 0.8 µm pore size MCE filter can produce suitable estimates of the airborne asbestos concentrations. ... More specifically, our division conducts research to characterize the movement of pollutants from the source …

Non-Malignant Respiratory Illnesses in Association with …

The association between asbestos exposure and COPD persisted in the multi-exposure model, although the magnitude of the estimate increased moderately in the multi-exposure model (PR: 1.55; 95%CI: 1.08, 2.22) compared to the single-exposure model. ... An immediate workplace surveillance program must be initiated to …

Occupational characterization of workers exposed to asbestos…

A relevant issue for the development of these diseases is the possible association between smoking and exposure to asbestos: the frequency of self-acknowledged smokers in a study was 79.5%, 31 corroborating another research that found 74.4% of smokers with lung cancer. 41 Therefore, smoking cessation is also necessary …

Asbestosis

Asbestos: elimination of asbestos-related diseases

Exposure to asbestos, including chrysotile, causes cancer of the lung, larynx, and ovaries, and also mesothelioma (a cancer of the pleural and peritoneal linings). Asbestos exposure is also responsible …

Workplace exposure to asbestos and the risk of kidney …

Preliminary evidence linking asbestos exposure to increased risk of kidney cancer emerged in the late 1970s; however, ... Using these exposure estimates for each job, we constructed three metrics to characterize occupational exposure to asbestos: (1) ever/never exposed, (2) highest attained intensity of exposure (high, medium, low), and …

Asbestos Exposure and Cancer Risk Fact Sheet

A fact sheet about asbestos, the health hazards of asbestos exposure (including mesothelioma), and who's at risk for an asbestos-related disease. Also presented are resources for information related to asbestos exposure and programs to help exposed …

Occupational Asbestos Exposure and Incidence of Colon …

Two variables were used to characterize asbestos exposure: CEI modeled as a natural log–transformed continuous variable [expressed as ln(CEI + 1)] or categorized according to quartiles of exposure; and TSFE to asbestos, modeled as a time-varying continuous variable or as a categorical variable (0–20, > 20–40, ≥ 40–60, and ≥ …

Radiographic Evidence of Nonoccupational Asbestos Exposure …

Background: Community exposure to asbestos from contaminated vermiculite ore from Libby, Montana, occurred in many processing sites in the United States, including a densely populated urban residential neighborhood of Minneapolis, Minnesota.Objective: We examined exposed community residents who never worked at …

Asbestos Contamination in Talc-Based Cosmetics: An …

Further, talc-based cosmetics may be an overlooked and difficult to characterize source of exposure to asbestos, a known carcinogen. Keywords: Asbestos, talc, personal care products, cancer risk. Talc is a mineral ingredient that has been used in personal care products for decades. The mineral can be used to improve the texture and …

Occupational exposure to asbestos and lung cancer in men: …

The corresponding p-values for the smoking interaction terms with 'ever', 'highest attained' and 'duration' asbestos exposure were 0.33, 0.77, and 0.88, respectively. Stratified analyses of highest attained asbestos exposure across cigarette pack years categories are presented in Table 3. There was an approximate two-fold …

Draft Risk Evaluation of Asbestos Addresses Legacy Uses, …

A comment period for the public to provide input on the draft of part two of EPA's asbestos risk evaluation is open until June 17, 2024. The agency specifically encourages feedback related to take-home exposure scenarios, non-cancer endpoints used to characterize risk, and its draft single risk determination for asbestos.

Asbestos and Cancer Risk

People can be exposed to asbestos mainly by: Inhaling asbestos: Most exposures come from inhaling asbestos fibers in the air. This can occur in people mining or processing …

Case series: rheumatological manifestations attributed to exposure …

In view of recent discoveries of widespread exposure to fibrous minerals in several areas of the U.S. and globally, it is critical to evaluate rheumatologic manifestations in other cohorts so that screening, surveillance, and diagnostic procedures are able to detect and recognize potential autoimmune outcomes of asbestos exposure.

New Study: Asbestos Related to Most Common Kidney Cancer

Exposure to asbestos may lead to renal cell carcinoma, the most common type of kidney cancer, an Italian study shows. The link to kidney cancer adds to the horrific history of asbestos, a substance definitively recognized as a cause of mesothelioma, lung cancer and a variety of other respiratory illnesses.. In the past, a …

Asbestos: Worker and Employer Guide to Hazards And …

WHAT ARE THE HAZARDS OF ASBESTOS? Exposure to asbestos is a risk factor for developing disabling and deadly lung diseases years after the exposure. Inhaling …

History of knowledge and evolution of occupational health …

The understanding by industrial hygienists of the hazards of asbestos and appropriate ways to characterize and control exposure has evolved over the years.

Asbestos in Public and Commercial Buildings

The main research questions were: (1) to determine actual airborne asbestos fiber levels prevalent in buildings, (2) to characterize peak exposure levels and their significance, and (3) to evaluate the effectiveness of asbestos management and abatement strategies in a scientifically meaningful manner.