Systemic Inflammation Clinical Trial
Official title:
Circulating Inflammatory Markers, Exhaled NO and Lung Function in Cement Production Workers; a Cross-shifts Study
The aim of the study is to examine possible changes in lung function, nitric oxide levels and systemic inflammatory markers in cement dust exposed workers, during one shift (6-8 hours).
OBJECTIVE:
Cement dust is suspected to be one of the main factors causing increased mortality among
workers not only in the cement production industry, but also in the construction industry
worldwide. Our aim is to examine possible changes in lung function, nitric oxide levels and
systemic inflammatory markers in cement dust exposed workers, during one shift (6-8 hours).
METHODS:
All employees from Norwegian cement plants, are invited to participate. The workers will
perform spirometry, single-breath determination of carbon monoxide uptake, blood samples
before and after a working shift of 6-8 hours, and again after 24 hours. Information on
respiratory symptoms, allergy and former respiratory disease as well as exposure information
will be given on a self-reported questionnaire. Changes in lung function indices, nitric
oxide levels and serum inflammatory markers will be calculated. Nitric oxide will only be
measured in non-smokers. We will compare cement dust exposed workers with low-level or
non-exposed workers (controls).
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Observational Model: Cohort, Time Perspective: Prospective
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