[Analysis on occupational health monitoring to workers in Zhoushan City]

Objective: To analyze the occupational health monitoring data of workers in Zhoushan City, and provide scientific basis for health monitoring and the formulation of occupational disease prevention measures. Methods: From January 2016 to November 2019, the occupational health examination data of 37826 workers in Zhoushan City were collected to analyze the change trend of the detection rate of suspected occupational diseases and occupational contraindications, and to compare the health monitoring status of workers with different social characteristics such as enterprise scale and economic type. Results: From 2016 to 2019, the detection rate of suspected occupational diseases showed a downward trend (χ(2)(trend)=21.09, P<0.05) . The occupational health examination of on-the-job workers in Zhoushan were mainly small enterprises (59.72%, 22591/37826) , private economic enterprises (65.32%, 24707/37826) , male (82.03%, 31028/37826) , 30-49 years old (59.11%, 22359/37826) , and exposed to noise (67.06%, 25365/37826) . The detection rates of occupational contraindications and suspected occupational diseases were higher in micro enterprise, male, over 60 years old, exposed to occupational hazards for more than 49 months, and exposed to chemical and physical hazards at the same time. The detection rates of occupational contraindications and suspected occupational diseases were significantly different among different enterprise scale, economic type, gender, age and occupational hazard factors (P<0.05) . Among benzene workers with occupational contraindications and suspected occupational diseases, the detection rate of A/G abnormality in female workers was higher than that in male workers (P=0.04) , and there was no significant difference in other genders (P>0.05) . Conclusion: It is necessary to pay more attention to the workers working in small and private enterprises in Zhoushan City, strengthen the occupational health supervision of male workers who are over 60 years old who are exposed to benzene, noise and other occupational hazards, standardize the occupational health inspection, and effectively protect the health of the occupational population.

[Analysis of silicosis surveillance data in Tianjin in 2017]

Objective: Analyzes of the monitoring results of silicosis in key occupational disease monitoring in Tianjin in 2017, providing reference for continuous monitoring, and prevention and control work of silicosis. Methods: Monitor and analyze the current state of silica dust hazard enterprises, the health status of silica dust workers, and the characteristics of newly developed silicosis cases in accordance with the national 2017 work plan for key occupational disease monitoring and occupational health risk assessment. Results: In 2017, 210 enterprises have silica dust hazard in Tianjin, silica dust workplaces exceed the standard rate is 34.73%, 5 695 workers' health examination who contact with silica dust were collected. 2 were detected occupational contraindication, the abnormal detection rate of chest examination is 3.60%, the abnormal index of lung function mainly is FVC, the abnormal rate is 15.8%. The abnormal rate increases with working years. In 2017, 193 new cases of silicosis were reported most cases were developed after years of decontamination. Most enterprises with cases had already out of market, only 7 were still producing. Conclusion: The key prevention and control in Tianjin was enterprises with silica dust excess of standard, as well as older and longer working years workers, adopting effective measures to reduce the concentration of silica dust in workplace is a fundamental measure to reduce the risk of silicosis.

[Analysis of occupational health surveillance for workers on offshore platforms]

Objective: To understand the status of occupational health surveillance for workers on offshore platforms. Methods: The research period was from 2014 to 2016. From 2014 to 2016, a cross-sectional survey method was adopted to select 429 people for offshore oil production, drilling and operation platforms and their first-line workers to conduct workplace occupational hygiene. Investigation, occupational hazard factor testing, occupational health check of workers, collation and statistical analysis of surveys and test data, and comparison of occupational health surveillance among workers of different types of offshore platforms. Results: From 2014 to 2016, the results of chemical harmful factors detection of occupational diseases in the offshore platform were in line with the national occupational health exposure limit requirements. The noise of some platform posts exceeded the standard, such as: oil platform oil, oil and oil and gas processing workers, diesel engines for drilling and working platforms. Worker noise exceeds national occupational health limits p[L(ex, 8 h)>85 dB(A)].There was a statistically significant difference in the occupational health of workers on the same platform with the age and length of service (P<0.05). Conclusion: Workers on different platforms at sea may be subject to different levels of occupational health damage, and the occupational hazards brought by noise to platform workers are particularly prominent.

[Analysis on Guangzhou occuptional health re-examation result from 2012 to 2016]

Objective: This study aims at the review result of Guangzhou occupational health examination from 2012-2016 to analyze the distribution of crowd and to discover the occupational health hazard factors and key Protection object by finding the situation of the goal of occupational hazard factor diseases through review examination. Methods: By using retrospective study method, to choose those people who have accepted occupational health review examination handled by the review examination group of Guangzhou Occupational Prevention and Treatment Hospital from 2012 to 2016. And comprehensively analyze the review result of occupational health examination in 5 years. Results: There are 8618 cases of occupational health review examination handled by Guangzhou Occupational Prevent and Treatment Hospital and with complete data. From the Personnel structure, it refers that they are Predominantly male and their ages are mainly distributed under 40-year-old. Most of them work under the occupational disease inductive factors less than 5 years and most of the factor is contacting with noise. In the recent 5 years, we found out 1906 cases of occupational contraindications through total review, which takes 22.12% of total number of review People, including noise occupational contraindication in 61.59%. And we found 435 cases of suspected occupational disease which takes 5.05% of total number of review People, including suspected occupational noise deafness which takes the property of 60.23% and appears the most common disease. Suspected occupational diseases and occupational taboos are mainly male patients, and the age is mainly in the 30-49 age group, the working age is mainly less than 5 years. Conclusion: Occupational health examination is an important Part in occupational health, occupational health examination review is the most Prior Part in the occupational health examination, which Plays a key role to discover the target disease of the occupational hazard factors in time, Prevent the development of occupational diseases and protect laborer occupational health.