Prevention of Work-related Asthma: Study Search

Prevention LevelPrimary
Study Year1993
Molecular Weight of AgentLMW
Agent CategoryMetals
Specific AgentAluminum
Occupation Aluminum potroom workers
Outcome/DiagnosisOccupational asthma
Activity Intervention Pre-employment screening using bronchial reactivity (2-5 year follow-up)
Participation Rate10 of 35 eligible subjects (Participation rate: 29%)
Intervention EffectivenessZero of 10 randomly selected subjects (out of 35) with normal bronchial reactivity experienced significant respiratory symptoms at follow-up, and bronchial reactivity remained normal with one borderline finding. Only two had occasional cough. Limitation: no comparison group.
Page last reviewed: February 20, 2020