Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Relationship between work in nitrogen-processing plants and chronic bronchitis including bronchial hypersensitivity]

K Gondorowicz, J Rozniecki

    Medycyna Pracy
    |January 1, 1981
    PubMed
    Summary

    Occupational exposure to nitrogen dioxide (NO2) and ammonia (NH3) may increase chronic bronchitis risk in smokers. However, this exposure did not significantly raise bronchial overreactivity in the studied male workers.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    [Cerebral adrenomyeloneuropathy as a late type of adrenoleukodystrophy: case report].

    Neurologia i neurochirurgia polska·2000
    Same author

    [The influence of multiple histamine inhalation on nonspecific airway hyperresponsiveness to histamine in patients with bronchial asthma].

    Pneumonologia i alergologia polska·1997
    Same author

    [An increase of nonspecific airway hyperreactivity after repeated challenge with subthreshold doses of allergen in asthma patients].

    Pneumonologia i alergologia polska·1997
    Same author

    [Complications after BCG vaccination in the urban section of Lodź in the years 1994-5].

    Pneumonologia i alergologia polska·1997
    Same author

    [The effect of nedocromil sodium on spontaneous production of histamine releasing factor (HRF) by mononuclear blood cells in patients with nonatopic bronchial asthma].

    Pneumonologia i alergologia polska·1997
    Same author

    Changes of serum concentration of lipid peroxidation products in patients with pneumonia.

    Monaldi archives for chest disease = Archivio Monaldi per le malattie del torace·1996

    Area of Science:

    • Occupational Medicine
    • Respiratory Health
    • Environmental Toxicology

    Background:

    • Industrial exposure to nitrogen dioxide (NO2) and ammonia (NH3) is common in certain occupations.
    • Chronic respiratory symptoms and bronchial hyperresponsiveness are potential health outcomes of workplace chemical exposure.
    • Smoking is a known risk factor for respiratory diseases, potentially interacting with occupational exposures.

    Purpose of the Study:

    • To investigate the association between occupational exposure to NO2 and NH3 and respiratory symptoms.
    • To assess the prevalence of bronchial overreactivity in workers exposed to these chemicals.
    • To determine if smoking status modifies the effects of NO2 and NH3 exposure on respiratory health.

    Main Methods:

    • Cross-sectional study involving male workers exposed to NH3, NO2 and NH3, and a control group.

    Related Experiment Videos

  • Data collection on symptoms of chronic cough and expectoration.
  • Assessment of bronchial overreactivity using standardized methods.
  • Statistical analysis comparing outcomes between exposed groups and controls, stratified by smoking status.

    • Main Results:

    • Chronic cough and/or expectoration were reported more frequently in exposed workers compared to controls, with significant differences observed primarily in smokers.
    • Bronchial overreactivity prevalence was similar between exposed workers (21.1%) and controls (23.5%).
    • Smokers exposed to NO2 and NH3 showed a greater prevalence of chronic bronchitis.

    Conclusions:

    • Occupational exposure to NO2 and NH3 is associated with a higher prevalence of chronic bronchitis in smokers.
    • Workplace exposure to NO2 and NH3 did not significantly increase the incidence of bronchial overreactivity in this cohort.
    • The findings highlight the importance of considering smoking status in occupational respiratory health assessments.