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HERO ID
783706
Reference Type
Journal Article
Title
Surface of localized pleural plaques quantitated by computed tomography scanning: No relation with cumulative asbestos exposure and no effect on lung function
Author(s)
van Cleemput, J; de Raeve, H; Verschakelen, JA; Rombouts, J; Lacquet, LM; Nemery, B
Year
2001
Is Peer Reviewed?
Yes
Journal
American Journal of Respiratory and Critical Care Medicine
ISSN:
1073-449X
EISSN:
1535-4970
Volume
163
Issue
3 Pt 1
Page Numbers
705-710
Language
English
PMID
11254528
DOI
10.1164/ajrccm.163.3.2006017
Web of Science Id
WOS:000167944100023
Abstract
To evaluate if there is a relation between the size of asbestos plaques and the level of past exposure and pulmonary function, we measured the surface of localized pleural plaques found on high-resolution (HR) CT scan, using a computerized video display unit-imaging system, in 73 workers (mean age, 43.5 yr) who had worked from 23 to 27 yr in an asbestos-cement factory. Their estimated cumulative exposure to asbestos ranged from 16.4 to 98.7 fiber-years/ ml (mean, 26.3 fiber-years/ml). Lung function measurements included lung volumes, maximal expiratory flows, and diffusing capacity. A control group of 21 workers was examined by the same procedures. Plaques were detected by CT in 51 (70%) asbestos-exposed subjects and in none of the control subjects. The average calculated plaque surface was 47.9 +/- 61.7 cm2 (median, 22.1 cm2; range, 0 to 278.4 cm2). There was no relation between plaque surface and cumulative asbestos exposure (p = 0.24). In the 51 subjects with pleural plaques, the surface of the pleural lesions was not related to cumulative asbestos exposure, or to smoking history or time since first exposure. Neither the presence nor the extent of the plaques was correlated with lung function parameters.
Keywords
Abridged Index Medicus; Index Medicus; Middle Aged; Pleura -- diagnostic imaging; Pleura -- pathology; Asbestosis -- pathology; Occupational Exposure; Lung -- pathology; Lung -- physiopathology; Tomography, X-Ray Computed
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IRIS
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Asbestos
•
Libby Amphibole Asbestos (Draft, 2011)
Pulmonary Function Search, Sept 2013
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OPPT_Asbestos, Part I: Chrysotile_F. Human Health
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OPPT_Asbestos, Part I: Chrysotile_Supplemental Search
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