A study of dynamic lung functions in textile workers.

The current study was done to determine the normal ventilatory dynamic indices in healthy male textile workers and to observe the influence of exposure to cotton dust. Toshiniwal's Expirograph is used to record the Forced Vital Capacity tracing and from this tracing, other Forced Expiratory Volumes like FEVO.5, FEVO.75 and FEV1.0 are calculated. The data was statistically analysed and compared with the values reported by various other workers. It was observed that all functional parameters showed a decline with age, both in the control as well as the exposed group. The mean values in the exposed group were generally lower than the controls, and the difference was larger and statistically significant in the subjects of 40-49 year age-group, may be because they were exposed to cotton dust for a long duration.