Abstract:
OBJECTIVES:Epidemological studies suggest that farmers are at an increased risk for chronic obstructive pulmonary disease because of exposure to organic dust. We assessed the proportion of farmers among patients with end stage lung disease and we measured the seasonal exposure of dairy farmers to organic dust in a rural alpine region in Switzerland. METHODS:Six dairy farms of different sizes and infrastructures were chosen for measurements of organic dust (PM10 = particles with a 50% cut-off aerodynamic diameter of 10 gm). Indoor measurements were performed during 3-5 days at each farm in late winter, summer and early winter of one year. RESULTS:17 measurements of organic dust were carried out on 6 different farms. The concentrations of PM10 ranged from 109-2207 microg/m3 for daily barn activities in winter months and from 76-4862 microg/m3 for hay storage in summertime. Exposure depended on farm infrastructure and season. It was higher in smaller and older cattle buildings and during the late winter months. The farmers were exposed to the measured amount of organic dust (PM10) for 5 to 6 hours per day during the winter (approximately 900-1260 hours/year). CONCLUSIONS:The study confirms a moderate to high exposure to organic dust (PM10) in these farmers, which, together with epidemiological data, suggests that such exposure over many years could be a major risk factor for the development of chronic obstructive pulmonary disease in dairy farmers.
journal_name
Swiss Med Wklyjournal_title
Swiss medical weeklyauthors
Cathomas RL,Brüesch H,Fehr R,Reinhart WH,Kuhn Mdoi
2002/13/smw-09892keywords:
subject
Has Abstractpub_date
2002-04-06 00:00:00pages
174-8issue
13-14eissn
1424-7860issn
1424-3997pii
smw-09892journal_volume
132pub_type
杂志文章abstract:AIMS OF THE STUDY:Premature discontinuation occurs in about 25% of randomised clinical trials in Switzerland; it mainly affects investigator-initiated trials and is mostly due to problems with recruitment of patients. The aim of this study was to qualitatively investigate reasons for trial discontinuation due to poor p...
journal_title:Swiss medical weekly
pub_type: 杂志文章
doi:10.4414/smw.2017.14556
更新日期:2017-11-16 00:00:00
abstract::Of the two million people estimated to be newly infected with human immunodeficiency virus (HIV) every year, 95% live in poorer regions of the world where effective HIV treatment is not universally available. Strategies to reduce the spread of HIV infection, which predominantly occurs via sexual contact, are urgently ...
journal_title:Swiss medical weekly
pub_type: 杂志文章
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abstract:UNLABELLED:In an earlier study in 2002 we showed that of 101 persons applying for a disability pension for psychiatric reasons, a psychiatric diagnosis that affected their ability to work, could only be confirmed in 83%. Furthermore, and even more importantly, only 64% of these cases were receiving any psychiatric trea...
journal_title:Swiss medical weekly
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journal_title:Swiss medical weekly
pub_type: 杂志文章
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journal_title:Swiss medical weekly
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journal_title:Swiss medical weekly
pub_type: 杂志文章,评审
doi:2005/11/smw-10926
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journal_title:Swiss medical weekly
pub_type: 杂志文章,评审
doi:2004/25/smw-10322
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journal_title:Swiss medical weekly
pub_type: 临床试验,杂志文章
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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journal_title:Swiss medical weekly
pub_type: 杂志文章
doi:10.4414/smw.2017.14529
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journal_title:Swiss medical weekly
pub_type: 杂志文章
doi:10.4414/smw.2012.13575
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journal_title:Swiss medical weekly
pub_type: 杂志文章
doi:smw-12494
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abstract:: ...
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journal_title:Swiss medical weekly
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pub_type: 杂志文章,评审
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pub_type: 杂志文章
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abstract::No abstract available (Letter to the editor). ...
journal_title:Swiss medical weekly
pub_type: 杂志文章
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pub_type: 杂志文章
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