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[Gastrointestinal symptoms in lead workers]

K Yoshida, H Sakurai, T Toyama

    Sangyo Igaku. Japanese Journal of Industrial Health
    |May 1, 1982
    PubMed
    Summary

    Lead exposure in battery factory workers was linked to gastrointestinal issues, particularly loss of appetite. Shift work also contributed significantly to these symptoms, suggesting multifactorial causes in occupational health.

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    Area of Science:

    • Occupational Medicine
    • Toxicology
    • Gastroenterology

    Context:

    • A study investigated gastrointestinal symptoms in 109 male lead workers at a battery manufacturing plant.
    • The survey occurred six months post-operation, analyzing symptom prevalence against lead absorption and lifestyle factors.
    • Workers with prior gastrointestinal diseases were excluded to ensure focus on occupation-related effects.

    Purpose:

    • To assess the prevalence of gastrointestinal symptoms among lead-exposed workers.
    • To determine the relationship between lead absorption levels (blood lead, urinary delta-ALA) and specific gastrointestinal complaints.
    • To explore the influence of occupational factors like shift work and job changes on symptom development.

    Summary:

    • Loss of appetite showed a significant correlation with higher blood lead and urinary delta-ALA levels.
    • Forty-five percent of workers reported symptoms like nausea, abdominal discomfort, belching, heartburn, and hunger pain.
    • These symptoms, excluding loss of appetite, were not directly linked to lead levels but were associated with shift work and job changes.

    Impact:

    • Suggests that while loss of appetite may be a direct indicator of lead exposure, other gastrointestinal symptoms are likely influenced by occupational stressors like shift work.
    • Highlights the need for comprehensive occupational health strategies addressing both toxic exposure and work-related lifestyle factors.
    • Provides insights for preventative measures in industries with lead exposure and shift work schedules.

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