Evolution of occupational asthma: Does cessation of exposure really improve prognosis?

To assess the evolution of occupational asthma (OA) depending on whether the patient avoids or continues with exposure to the offending agent.Study in patients diagnosed with OA using a specific inhalation challenge. Patients underwent the following examinations on the same day: clinical interview, physical examination, forced spirometry, methacholine test and determination of total IgE. Clinical improvement, deterioration or no change were...