[Quantitative skin test and inhalation provocation test in asthma using platinum salts].

Area of Science:

• Occupational health
• Immunology
• Environmental science

Context:

• Workers in platinum-separating plants are exposed to platinum compounds.
• Occupational exposure to platinum can lead to respiratory and skin sensitization.
• Assessing the diagnostic accuracy of immunological tests is crucial for worker health.

Purpose:

• To evaluate the diagnostic efficacy of skin and bronchial provocation tests for platinum allergy in occupationally exposed individuals.
• To determine the specificity and sensitivity of these tests in a real-world industrial setting.
• To identify potential cases of platinum allergy missed by skin testing alone.

Summary:

• In vivo testing was conducted on 102 workers from platinum-separating plants and 40 control subjects.
• A significant proportion of workers (30/102) exhibited positive skin reactions to platinum compounds, compared to none in the control group.
• Bronchial provocation tests revealed positive reactions in 12/15 workers, demonstrating high specificity. Notably, three workers with negative skin tests showed positive bronchial reactions.

Impact:

• The findings highlight the utility of both skin and bronchial provocation tests in diagnosing occupational platinum allergy.
• Bronchial provocation testing may identify sensitized individuals who do not react to skin tests, underscoring its importance in comprehensive occupational health surveillance.
• This research contributes to understanding the immunological responses to platinum exposure and informs preventative strategies in the platinum industry.