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Respiratory disorders in agriculture
1Department of Medicine, University of Saskatchewan, Saskatoon, Canada.
Tubercle and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease
|April 1, 1993
Summary
Agricultural work exposes individuals to respiratory biohazards like grain dust and endotoxins. Further research is needed to assess exposures and develop preventive strategies for respiratory disorders in farm workers.
Area of Science:
- Environmental Health
- Occupational Medicine
- Pulmonology
Background:
- Agricultural work involves significant exposure to airborne biohazards.
- Key contaminants include grain dust, bacteria (endotoxin), fungi (glucan), and mites.
- Exposure levels and individual susceptibility influence the severity of respiratory effects.
Purpose of the Study:
- To review the associations between agricultural exposures and respiratory disorders.
- To understand the mechanisms underlying respiratory responses to organic dusts.
- To highlight the need for further research and preventive measures.
Main Methods:
- Review of epidemiological and clinical studies.
- Analysis of experimental research on immune and non-immune mechanisms.
- Synthesis of current knowledge on agricultural respiratory biohazards.
Main Results:
- Agricultural exposures are linked to chronic bronchitis, asthma, hypersensitivity pneumonitis, organic dust toxic syndrome, and chronic airflow limitation.
- Inhaled organic dusts trigger complex immunological and non-immunological responses in the lungs.
- Susceptible individuals, including minors, face unavoidable exposures in family-run operations.
Conclusions:
- Substantial insight exists into respiratory disorders in agriculture, but further investigation is crucial.
- Accurate assessment of exposures and their respiratory effects requires more research.
- Preventive programs focusing on exposure reduction are essential for agricultural worker health.