Occupational asthma cases notified to OSH from 1996 to 1999

Aims. To update notifications to the Occupational Safety and Health Service of the Department of Labour (OSH) Notifiable Occupational Disease System ( NODS) from June 1996 to the beginning of 1999. Methods. All notifications received for non-asbestos related occupational r espiratory disease were reviewed to confirm the clinical diagnosis, occupat ional causation, and to identify the causative agent where possible. Results. 54 cases of asthma were notified, of which 21 (39%) were accepted as being occupationally caused. These cases arose from 'predictable' indust ries. Conclusions. NODS offers sentinel data from interested practitioners and wo rkplaces. Occupational asthma and other occupational respiratory diseases r emain poorly notified to this system. NODS confirms the presence of occupat ional asthma in New Zealand from predictable and preventable causes not dis similar to other countries. This data collection system needs supplementati on by other mechanisms.