Saha Asim, Das Anirban, Chattopadhyay Bhaskar Prasad, Alam Jane, Dasgupta Tilak Kanti
Regional Occupational Health Centre (Eastern), Kolkata, West Bengal, India.
Indian J Occup Environ Med. 2018 Sep-Dec;22(3):170-176. doi: 10.4103/ijoem.IJOEM_117_18.
Byssinosis is an acute respiratory difficulty that is caused usually following exposure to cotton and hemp dust. Occurrence of such similar acute symptoms had been reported following exposure to jute dust/fiber also. With passage of time, Jute industries have modernized themselves for increased quality and productivity, which has lessened workforce and thereby provided more working space. However, occupational health benefit due to such changes has rarely been explored. This study was initiated to understand whether this modernization can protect the health of workers.
This study was carried out in two jute mills manufacturing jute clothes, jute bags, and so on. Interview of the workers for their occupational and morbidity details, medical examinations, as well as pre-shift and post-shift pulmonary function tests was carried out.
It was observed that chest tightness was significantly more in the industry with old technologies. Breathlessness was also more in this industry. As far as pulmonary function status is concerned, it was noted that greater than 5% cross-shift change in forced expiratory volume in one second was more common in the industry with old technology. Obstructive feature on lung function test was also observed in workers of both industries.
The study concluded that exposure to jute dust has contributed to both acute and chronic respiratory health effects in the jute industry workers. Modernized industry showed lesser prevalence of acute symptoms and changes related to byssinosis. Modernization of processes in jute industries may prove fruitful in lowering the respiratory problems of workers.
棉尘病是一种急性呼吸疾病,通常在接触棉花和麻粉尘后引发。接触黄麻粉尘/纤维后也有类似急性症状的报告。随着时间推移,黄麻产业为提高质量和生产力进行了现代化改造,这减少了劳动力,从而提供了更多工作空间。然而,此类变化对职业健康的益处鲜有探讨。开展本研究是为了了解这种现代化改造能否保护工人健康。
本研究在两家生产黄麻制品(如黄麻衣物、黄麻袋等)的麻纺厂进行。对工人进行职业和发病情况详细访谈、医学检查以及班前和班后肺功能测试。
观察发现,采用旧技术的工厂中胸部发紧症状明显更多。该工厂中呼吸急促情况也更多。就肺功能状况而言,注意到旧技术工厂中一秒用力呼气量跨班变化大于5%的情况更为常见。两个工厂的工人在肺功能测试中均出现阻塞性特征。
该研究得出结论,接触黄麻粉尘对黄麻产业工人的急性和慢性呼吸健康均有影响。现代化工厂中急性症状和与棉尘病相关变化的发生率较低。黄麻产业生产流程的现代化改造可能在降低工人呼吸问题方面卓有成效。