Prevention of Work-related Asthma: Study Search Results

Study Details
Prevention LevelSecondary
AuthorCote
Study Year1990
CountryCanada
Molecular Weight of AgentLMW
CategoryWood dust or bark
AgentWestern red cedar
OccupationWestern red cedar workers (Includes cohort reported by Chan-Yeung, 1987)
Outcome/DiagnosisOccupational asthma
Activity InterventionTransfer to low exposure area, use of respiratory equipment (mean:6.5 years)
Participation Rate48 of 68 eligible subjects (Participation rate: 71%)
Intervention EffectivenessFor 48 subjects, the transfer to a less dusty job and the use of airstream helmet did not prevent deterioration of asthma. However, the use of the twin-cartridge respirator was associated with favorable outcome (p<0.05).
Page last reviewed: May 25, 2022