Prevention of Work-related Asthma: Study Search Results

Study Details

Prevention Level	Secondary
Author	O'Donnell
Study Year	1989
Country	New Zealand
Molecular Weight of Agent	LMW
Category	Metals
Agent	Aluminum
Occupation	Aluminum potroom workers
Outcome/Diagnosis	Occupational asthma
Activity Intervention	Medical surveillance (1977), transfer to exposure free area (Follow-up (FU): 5 years)
Participation Rate	57 subjects presenting or detected at the biennial medical examination (Participation rate: 100%)
Intervention Effectiveness	The majority of 57 subjects improved in symptoms after 1 to 2 years, with bronchial hyperreactivity returning to normal. Deterioration occurred in some subjects over the subsequent 3 years, not limited to smoking or atopy. Limitation: no comparison group.