Outcome of Occupational Asthma after Removal from Exposure: A Follow-Up Study

BACKGROUND: Despite being removed from their workplace, the majority of workers with occupational asthma (OA) remain afflicted with asthma. OBJECTIVES: To assess the time course of clinical, functional and inflammatory parameters in subjects with OA over a four-year period, and whether the airway inflammation observed at the time of the diagnosis predicts the outcome of OA. METHODS: The present study was a four-year, prospective, longitudinal...