Abstract:
OBJECTIVES:A medical surveillance programme was introduced into Ontario for workers exposed to diisocyanates in 1983, but no mandated surveillance programme is in effect in this province for other occupational respiratory sensitisers. This study assesses changes in incidence and severity of compensated claims for occupational asthma (OA) due to diisocyanates compared with other causes, which have occurred since the introduction of this surveillance programme. METHODS:New claims for OA compensated by the Ontario Workers' Compensation Board (WCB) between 1980 and 1993 were retrospectively reviewed. Linkage was made between these data and an Ontario Ministry of Health database to assess hospital admissions for asthma from the date of onset of OA until the end of 1996. RESULTS:Numbers of claims for OA induced by diisocyanates ranged from 9-15/year in 1980-83, increased up to 55-58 claims/year in 1988-90, then fell to 19-20 claims/year by 1992-93. By contrast yearly numbers of claims for OA due to other causes increased up to 1985-87 then remained relatively stable. Duration of symptoms for OA induced by diisocyanates was shorter than for other claims and there were fewer hospital admissions among those with OA induced by diisocyanates than among those with OA induced by other causes. Occupational asthma from all causes was diagnosed earlier in claims for 1987-93 compared with 1980-86, and indicators of severity of asthma were also milder in accepted claims during 1987-93 than in earlier claims. CONCLUSIONS:Although engineering and industrial hygiene measures may have contributed to these changes, our findings are also consistent with a beneficial contribution from the medical surveillance programme for workers exposed to diisocyanates.
journal_name
Occup Environ Medjournal_title
Occupational and environmental medicineauthors
Tarlo SM,Liss GM,Yeung KSdoi
10.1136/oem.59.1.58subject
Has Abstractpub_date
2002-01-01 00:00:00pages
58-62issue
1eissn
1351-0711issn
1470-7926journal_volume
59pub_type
杂志文章abstract:INTRODUCTION:The current definition of chronic obstructive pulmonary disease (COPD) associates persistent airflow limitation and chronic respiratory symptoms. Agricultural work has been associated with an increased risk of developing COPD, but the prevalence and definition of the disease vary greatly between studies. T...
journal_title:Occupational and environmental medicine
pub_type: 杂志文章,meta分析
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.60.8.590
更新日期:2003-08-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2020-106413
更新日期:2020-07-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,评审
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.55.10.684
更新日期:1998-10-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2009.052506
更新日期:2011-06-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.51.11.739
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doi:10.1136/oem.2008.041582
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pub_type: 杂志文章
doi:10.1136/oem.2004.019570
更新日期:2005-12-01 00:00:00
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doi:10.1136/oem.2004.013219
更新日期:2004-12-01 00:00:00
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pub_type: 杂志文章
doi:10.1136/oem.2006.026716
更新日期:2006-07-01 00:00:00
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doi:10.1136/oemed-2013-101693
更新日期:2014-08-01 00:00:00
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pub_type: 杂志文章
doi:10.1136/oem.54.10.729
更新日期:1997-10-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2002-09-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2016-103808
更新日期:2017-03-01 00:00:00
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更新日期:2006-08-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.58.5.315
更新日期:2001-05-01 00:00:00
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doi:10.1136/oemed-2018-105604
更新日期:2019-07-01 00:00:00
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pub_type: 杂志文章
doi:10.1136/oem.51.5.308
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,多中心研究
doi:10.1136/oem.2005.026245
更新日期:2006-12-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2008.045500
更新日期:2010-02-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2020-106794
更新日期:2021-01-12 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2009.048611
更新日期:2010-10-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2016-103943
更新日期:2017-05-01 00:00:00
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pub_type: 杂志文章
doi:10.1136/oem.52.11.715
更新日期:1995-11-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2020-106905
更新日期:2020-11-03 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,多中心研究
doi:10.1136/oem.60.suppl_1.i71
更新日期:2003-06-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,随机对照试验
doi:10.1136/oemed-2014-102696
更新日期:2015-06-01 00:00:00