Secondary |
Lozewicz |
1987 |
UK |
LMW |
Diisocyanates |
Toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethlyene diisocyanate (HDI), naphthylene diisocyanate (NDI) |
Workers in general population |
Occupational asthma |
Removal from exposure (> 4 years) |
50 of 59 eligible subjects: (Participation rate: 89%) |
Forty-one of 50 subjects continued to have respiratory symptoms, with approximately half of those (n=22) requiring treatment at least once a week. Pulmonary function was similar at follow-up. Limitation: no comparison group. |