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Occupational asthma in Finland

H Keskinen, K Alanko, L Saarinen

    Clinical Allergy
    |November 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Occupational asthma from workplace allergens and chemicals is rising in Finland. Early diagnosis and removing workers from exposure are crucial for managing this condition.

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    Area of Science:

    • Occupational Medicine
    • Pulmonology
    • Environmental Health

    Background:

    • Occupational asthma is an increasing concern in Finland.
    • Protein allergens and reactive chemicals in the workplace air are primary causes.
    • This condition affects workers across various industries.

    Purpose of the Study:

    • To describe diagnostic methods for occupational asthma.
    • To outline exposure measurement techniques under simulated work conditions.
    • To emphasize the importance of accurate assessment of lung function changes.

    Main Methods:

    • Provocative challenge tests were employed for diagnosis.
    • Exposure levels were measured under simulated occupational conditions.
    • Lung function measurements were conducted during non-exposure and placebo periods to account for circadian variations.

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    Main Results:

    • A positive challenge test requires at least a 15% decrease in peak flow values.
    • A clear deviation from normal circadian variation and placebo responses indicates occupational asthma.
    • Allergens of vegetable or animal origin predominantly affect atopic individuals, while chemical allergens affect all exposed workers.

    Conclusions:

    • Early diagnosis and removal from exposure are vital for managing occupational asthma.
    • Improving workplace hygiene is essential to reduce asthma incidence.
    • Bakers represent a high-risk occupation for developing occupational asthma.