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目的通过煤工尘肺流行病学调查,了解煤工尘肺发病规律,为预防煤工尘肺提供科学依据。方法搜集作业场所粉尘检测资料、煤工尘肺发病资料和作业工人健康监护资料,对1292例煤工尘肺病例进行流行病学调查。结果该市1974-2010年煤工尘肺年均发病率为3.07‰,平均发病年龄(41.2±4.3)岁,平均接尘工龄(22.9±7.4)年,2001年以来,尘肺发病有明显下降的趋势。结论粉尘依然是煤矿作业工人的主要职业危害,三级预防是控制煤工尘肺发生发展的有效措施。
Objective To understand the regularity of coal workers’ pneumoconiosis through epidemiological investigation of coal workers’ pneumoconiosis and provide a scientific basis for prevention of coal workers’ pneumoconiosis. Methods A total of 1292 coal worker’s pneumoconiosis cases were collected for epidemiological investigation of dust detection data, coal worker’s pneumoconiosis data and occupational health monitoring data. Results The average annual incidence of pneumoconiosis in coal mine workers from 1974 to 2010 was 3.07 ‰, with an average age of onset of 41.2 ± 4.3 years and an average dusting age of 22.9 ± 7.4 years. Since 2001, the incidence of pneumoconiosis decreased significantly . Conclusion Dust is still the major occupational hazard of coal miners. Three-level prevention is an effective measure to control the occurrence and development of coal workers’ pneumoconiosis.