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de la Hoz RE, Weber J, Xu D, Doucette JT, Liu X, Carson DA, Celedón JC. Chest CT scan findings in World Trade Center workers. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2018; 74:263-270. [PMID: 29543564 PMCID: PMC6474817 DOI: 10.1080/19338244.2018.1452712] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 03/10/2018] [Indexed: 06/17/2023]
Abstract
We examined the chest CT scans of 1,453 WTC responders using the International Classification of High-resolution CT for Occupational and Environmental Respiratory Diseases. Univariate and bivariate analyses of potential work-related pleural abnormalities were performed with pre-WTC and WTC-related occupational exposure data, spirometry, demographics and quantitative CT measurements. Logistic regression was used to evaluate occupational predictors of those abnormalities. Chest CT scans were performed first at a median of 6.8 years after 9/11/2001. Pleural abnormalities were the most frequent (21.1%) across all occupational groups In multivariable analyses, significant pre-WTC occupational asbestos exposure, and work as laborer/cleaner were predictive of pleural abnormalities, with prevalence being highest for the Polish subgroup (n = 237) of our population. Continued occupational lung disease surveillance is warranted in this cohort.
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Affiliation(s)
- Rafael E. de la Hoz
- Department of Environmental Medicine and Public Health,Icahn School of Medicine at Mount Sinai, New York, NY
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Jonathan Weber
- Department of Environmental Medicine and Public Health,Icahn School of Medicine at Mount Sinai, New York, NY
| | - Dongming Xu
- Radiology, and Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY
| | - John T. Doucette
- Department of Environmental Medicine and Public Health,Icahn School of Medicine at Mount Sinai, New York, NY
| | - Xiaoyu Liu
- Radiology, and Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Deborah A. Carson
- Department of Environmental Medicine and Public Health,Icahn School of Medicine at Mount Sinai, New York, NY
| | - Juan C. Celedón
- Division of Pediatric Pulmonary Medicine, Allergy and Immunology, Children’s Hospital of Pittsburgh of the University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA
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Halldin CN, Blackley DJ, Petsonk EL, Laney AS. Pneumoconioses Radiographs in a Large Population of U.S. Coal Workers: Variability in A Reader and B Reader Classifications by Using the International Labour Office Classification. Radiology 2017; 284:870-876. [PMID: 28430556 DOI: 10.1148/radiol.2017162437] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Purpose To assess the level of concordance between chest radiographic classifications of A and B Readers in a national surveillance program offered to U.S. coal miners over an approximate 36-year period. Materials and Methods The National Institute for Occupational Safety and Health (NIOSH) Coal Workers' Health Surveillance Program (CWHSP) is a surveillance program with nonresearch designation and is exempt from Human Subjects Review Board approval (11-DRDS-NR03). Thirty-six years of data (1979-2015) from the CWHSP were analyzed, which included all conventional screen-film radiographs with a classification by at least one A Reader and one B Reader. Agreement was assessed by using κ statistics; prevalence ratios were used to describe differences between A and B Reader determinations of image technical quality, small opacity profusion, and presence of large opacities and pleural abnormalities. Results The analysis included 79 185 matched A and B Reader chest radiograph classifications. A majority of both A and B Readers were radiologists (74.2% [213 of 287] vs 64.7% [22 of 34]; P = .04). A and B Readers had minimal agreement on technical image quality (κ = 0.0796; 95% confidence interval [CI]: 0.07, 0.08) and the distribution of small opacity profusion (subcategory κ, 0.2352; 95% CI: 0.22, 0.25). A Readers classified more images as "good" quality (prevalence ratio, 1.38; 95% CI: 1.35, 1.41) and identified more pneumoconiosis (prevalence ratio, 1.22; 95% CI: 1.20, 1.23). Conclusion A Readers classified substantially more radiographs with evidence of pneumoconiosis and classified higher small opacity profusion compared with B Readers. These observations reinforce the importance of multiple classifications by readers who have demonstrated ongoing competence in the International Labour Office classification system to ensure accurate radiographic classifications. © RSNA, 2017.
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Affiliation(s)
- Cara N Halldin
- From the Surveillance Branch, Respiratory Health Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Rd, Mail Stop HG900.2, Morgantown, WV 26505-2888
| | - David J Blackley
- From the Surveillance Branch, Respiratory Health Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Rd, Mail Stop HG900.2, Morgantown, WV 26505-2888
| | - Edward L Petsonk
- From the Surveillance Branch, Respiratory Health Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Rd, Mail Stop HG900.2, Morgantown, WV 26505-2888
| | - A Scott Laney
- From the Surveillance Branch, Respiratory Health Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Rd, Mail Stop HG900.2, Morgantown, WV 26505-2888
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Abstract
Occupational lung diseases span a variety of pulmonary disorders caused by inhalation of dusts or chemical antigens in a vocational setting. Included in these are the classic mineral pneumoconioses of silicosis, coal worker's pneumoconiosis, and asbestos-related diseases as well as many immune-mediated and airway-centric diseases, and new and emerging disorders. Although some of these have characteristic imaging appearances, a multidisciplinary approach with focus on occupational exposure history is essential to proper diagnosis.
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Affiliation(s)
- Jay Champlin
- Department of Radiology, 1959 Northeast Pacific Street, RR 215, Box 357115, Seattle, WA 98195, USA.
| | - Rachael Edwards
- Department of Radiology, 1959 Northeast Pacific Street, RR 215, Box 357115, Seattle, WA 98195, USA
| | - Sudhakar Pipavath
- Department of Radiology, 1959 Northeast Pacific Street, RR 215, Box 357115, Seattle, WA 98195, USA
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Cox CW, Rose CS, Lynch DA. State of the Art: Imaging of Occupational Lung Disease. Radiology 2014; 270:681-96. [DOI: 10.1148/radiol.13121415] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Donroe JA, Maurtua-Neumann PJ, Gilman R, Acosta AT, Cain G, Parker JE, Alvarez Carhuaricra JC, Padilla JJR, Mendoza D, Zimic M, Moore DAJ. Surveillance for Early Silicosis in High Altitude Miners Using Pulse Oximetry. INTERNATIONAL JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH 2013; 14:187-92. [DOI: 10.1179/oeh.2008.14.3.187] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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The Journal of Thoracic Imaging. J Thorac Imaging 2010; 25:8-13. [DOI: 10.1097/rti.0b013e3181cbc262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Suganuma N, Kusaka Y, Hering KG, Vehmas T, Kraus T, Arakawa H, Parker JE, Kivisaari L, Letourneux M, Gevenois PA, Tuengerthal S, Crane MD, Shida H, Akira M, Henry DA, Nakajima Y, Hiraga Y, Itoh H, Hosoda Y. Reliability of the Proposed International Classification of High‐Resolution Computed Tomography for Occupational and Environmental Respiratory Diseases. J Occup Health 2009; 51:210-22. [DOI: 10.1539/joh.l8030] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Narufumi Suganuma
- Department of Environmental MedicineKochi Medical School, University of FukuiJapan
| | - Yukinori Kusaka
- Division of Environmental Health, Department of International and Social MedicineSchool of Medicine, University of FukuiJapan
| | - Kurt G. Hering
- Department of Diagnostic RadiologyRadiooncology and Nuclear Medicine, KnappschaftskrankenhausGermany
| | - Tapio Vehmas
- Department of RadiologyFinnish Institute of Occupational HealthFinland
| | - Thomas Kraus
- Institute and Outpatient Clinic for Occupational Medicine, Aachen University of TechnologyGermany
| | | | | | - Leena Kivisaari
- Department of RadiologyHelsinki University School of MedicineFinland
| | - Marc Letourneux
- Service de Médicine du Travail et Pathologie ProfessionnelleFrance
| | - Pierre A. Gevenois
- Department of RadiologyHospital Erasme‐Universite Libre de BruxellesBelgium
| | | | | | | | - Masanori Akira
- Department of Radiology, NHO‐Kinki Chuo Chest Medical CenterJapan
| | - Daniel A. Henry
- Department of RadiologyMedical College of Virginia Hospitals, School of Medicine, Virginia Commonwealth UniversityUSA
| | - Yasuo Nakajima
- Department of RadiologySt. Marianna University School of MedicineJapan
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Meirelles GSP, Kavakama JI, Jasinowodolinski D, Nery LE, Terra-Filho M, Rodrigues RT, Neder JA, Bagatin E, D'ippolito G. Placas pleurais relacionadas com o asbesto: Revisão da literatura. REVISTA PORTUGUESA DE PNEUMOLOGIA 2005; 11:487-97. [PMID: 16288347 DOI: 10.1016/s0873-2159(15)30521-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Pleural plaques (PP) are considered to be hallmarks of asbestos exposure. They constitute focal thickenings of the pleura and are commonly seen in patients without lung disease. They can involve parietal, diaphragmatic and mediastinal pleura. Chest x-ray is frequently used for PP diagnosis, but computed tomography, especially when used the high-resolution technique, is the imaging exam with the greatest sensibility and specificity. PP are almost always asymptomatic, but there are some controversial about their relationship with asbestos exposure indexes, pulmonary functional alterations and risk of neoplasias.
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Affiliation(s)
- G S P Meirelles
- Universidade Federal de São Paulo, Escola Paulista de Medicina, São Paulo, SP, Brazil.
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Huang X, Li W, Attfield MD, Nádas A, Frenkel K, Finkelman RB. Mapping and prediction of coal workers' pneumoconiosis with bioavailable iron content in the bituminous coals. ENVIRONMENTAL HEALTH PERSPECTIVES 2005; 113:964-8. [PMID: 16079064 PMCID: PMC1280334 DOI: 10.1289/ehp.7679] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Based on the first National Study of Coal Workers' Pneumoconiosis (CWP) and the U.S. Geological Survey database of coal quality, we show that the prevalence of CWP in seven coal mine regions correlates with levels of bioavailable iron (BAI) in the coals from that particular region (correlation coefficient r = 0.94, p < 0.0015). CWP prevalence is also correlated with contents of pyritic sulfur (r = 0.91, p < 0.0048) or total iron (r = 0.85, p < 0.016) but not with coal rank (r = 0.59, p < 0.16) or silica (r = 0.28, p < 0.54). BAI was calculated using our model, taking into account chemical interactions of pyrite, sulfuric acid, calcite, and total iron. That is, iron present in coals can become bioavailable by pyrite oxidation, which produces ferrous sulfate and sulfuric acid. Calcite is the major component in coals that neutralizes the available acid and inhibits iron's bioavailability. Therefore, levels of BAI in the coals are determined by the available amounts of acid after neutralization of calcite and the amount of total iron in the coals. Using the linear fit of CWP prevalence and the calculated BAI in the seven coal mine regions, we have derived and mapped the pneumoconiotic potencies of 7,000 coal samples. Our studies indicate that levels of BAI in the coals may be used to predict coal's toxicity, even before large-scale mining.
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Affiliation(s)
- Xi Huang
- Department of Environmental Medicine and NYU Cancer Institute, New York University School of Medicine, New York, New York 10016, USA.
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