Occupational Asthma Reference

Blanc PD, Annesi-Maesano I, Balmes JR, Cummings KJ, Fishwick D, Miedinger D, Murgia N, Naidoo RN, Reynolds CJ, Sigsgaard T, Torén K, Vinnikov D, and Redlich CA, The Occupational Burden of Nonmalignant Respiratory Diseases. An Official American Thoracic Society and European Respiratory Society Statement, Am J Respir Crit Care Med, 2019;199:1312-1334,doi.org/10.1164/rccm.201904-0717ST
(Plain text: Blanc PD, Annesi-Maesano I, Balmes JR, Cummings KJ, Fishwick D, Miedinger D, Murgia N, Naidoo RN, Reynolds CJ, Sigsgaard T, Toren K, Vinnikov D, and Redlich CA, The Occupational Burden of Nonmalignant Respiratory Diseases. An Official American Thoracic Society and European Respiratory Society Statement, Am J Respir Crit Care Med)

Keywords: ERS, ATS, review, OA, OR, IPF, HP, Pneumonia, occupation, epidemiology

Known Authors

David Fishwick, Royal Hallamshire Hospital, Sheffield, UK David Fishwick

Torben Sigsgaard, University of Aarhus Torben Sigsgaard

Kjell Toren, Sahlgrenska University Hospital. Goteborg Kjell Toren

Paul Blanc, University of California San Francisco Paul Blanc

David Miedinger, Lucern, Basel and Montreal David Miedinger

Carl Reynolds, Royal Brompton Hospital Carl Reynolds

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Abstract

Rationale:
Workplace inhalational hazards remain common worldwide, even though they are ameliorable. Previous American Thoracic Society documents have assessed the contribution of workplace exposures to asthma and chronic obstructive pulmonary disease on a population level, but not to other chronic respiratory diseases. The goal of this document is to report an in-depth literature review and data synthesis of the occupational contribution to the burden of the major nonmalignant respiratory diseases, including airway diseases; interstitial fibrosis; hypersensitivity pneumonitis; other noninfectious granulomatous lung diseases, including sarcoidosis; and selected respiratory infections.

Methods:
Relevant literature was identified for each respiratory condition. The occupational population attributable fraction (PAF) was estimated for those conditions for which there were sufficient population-based studies to allow pooled estimates. For the other conditions, the occupational burden of disease was estimated on the basis of attribution in case series, incidence rate ratios, or attributable fraction within an exposed group.

Results:
Workplace exposures contribute substantially to the burden of multiple chronic respiratory diseases, including asthma (PAF, 16%); chronic obstructive pulmonary disease (PAF, 14%); chronic bronchitis (PAF, 13%); idiopathic pulmonary fibrosis (PAF, 26%); hypersensitivity pneumonitis (occupational burden, 19%); other granulomatous diseases, including sarcoidosis (occupational burden, 30%); pulmonary alveolar proteinosis (occupational burden, 29%); tuberculosis (occupational burden, 2.3% in silica-exposed workers and 1% in healthcare workers); and community-acquired pneumonia in working-age adults (PAF, 10%).

Conclusions:
Workplace exposures contribute to the burden of disease across a range of nonmalignant lung conditions in adults (in addition to the 100% burden for the classic occupational pneumoconioses). This burden has important clinical, research, and policy implications. There is a pressing need to improve clinical recognition and public health awareness of the contribution of occupational factors across a range of nonmalignant respiratory diseases.

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Comments

Confirms population attributable risk of occupation as a cause of adult onset asthma, mostly in the under 44's, from population studies. estimated PAR 16%. Also provides data for hypersensitivity pneumonitis (occupational burden 19%), COPD (14%), Alveolar proteinosis (29%0, IPF (26%), Community acquired pneumonia (10%), sarcoid and other granulomatous diseases (30%).
6/14/2019

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