Objective To investigation the situation of occupational failing bioprosthesis noise exposure and hearing loss among workers in vehicle manufacturing enterprise during 2017-2019 in Wuhan. Practices Workers in vehicle manufacturing who underwent physical examination in Wuhan Hospital for the Prevention and Treatment of Occupational Diseases from 2017 to 2019 were included as subjects into the cross-sectional survey. Questionnaire survey, sound detection and pure tone threshold test were utilized. Excluding individuals with working time less than 3 years and information deficiency, 3 948 individuals had been finally included in the study. Results Among 3 948 employees, 128 employees had hearing loss as well as the rate of hearing reduction ended up being 3.24%, among which 101 workers had high-frequency hearing loss and 27 employees were diagnosed as occupational sound deafness. The prevalence of reading loss among employees formerly confronted with sound was somewhat higher than that without prior visibility (12.10%, 0.96%, P0.05) . There were statistically significant variations in the prevalence of hearing reduction sandwich type immunosensor (2.88%, 4.45%) and occupational noise deafness (0.46%, 1.41%) between people who used protective gear and those whom would not (P less then 0.05) . Compared with employees revealed to occupational noise less then 80 dB (A) , workers exposed to occupational noise ≥85 dB (A) had A 3.16-fold increased risk of hearing loss (OR=3.16, 95%CWe 1.44~6.95, P less then 0.05) . When compared with workers using hearing defensive equipment, the risk of hearing loss (OR=1.96, 95%CI 1.25~3.06, P less then 0.05) and work-related sound deafness (OR=3.46, 95%CI 1.51-7.96, P less then 0.05) significantly enhanced those types of without needing hearing defensive equipment. Conclusion the chance of hearing reduction in automobile manufacturing workers is dramatically related to work-related noise exposure additionally the utilization of hearing protective equipment. Great hearing protection may reduce the chance of occupational noise-induced hearing reduction and work-related sound deafness.Objective To explore the relevant risk factors of silicosis difficult with persistent obstructive pulmonary disease (COPD) , in order to provide tips for formulating appropriate prevention and treatment steps. Techniques In August 2020, 135 silicosis clients hospitalized when you look at the pneumoconiosis division of Beidaihe rehabilitation hospital for the disaster management department from August 2019 to July 2020 were chosen due to the fact study item. The medical information of this clients had been gathered. In accordance with whether or not they had been complicated with COPD, they certainly were split into Silicosis group (74 situations) and silicosis complicated with COPD group (61 cases) . The physical activity degree of the customers was investigated using the international physical activity scale (IPAQ) . Results weighed against Silicosis team, silicosis complicated with COPD group had higher human body size index (BMI) , current smoking cigarettes, earlier smoking cigarettes, pneumoconiosis grade Ⅱ, pneumoconiosis level Ⅲ, insufficient physical working out, family history of respiratory conditions and unusual C-reactive protein (CRP) (P0.05) . Multivariate logistic regression evaluation indicated that smoking, family history of breathing conditions and irregular CRP were the risk factors of silicosis complicated with COPD (OR=4.704, 2.516, 4.445, P less then 0.05) . Conclusion Now smoking, genealogy and family history of respiratory conditions and unusual CRP are the possible influencing factors of silicosis complicated with COPD.Objective to gauge the changes of right ventricular function in clients with pneumoconiosis in numerous stages making use of three-dimensional speckle-tracking imaging (3D-STI) . Techniques In Summer 2020, 114 pneumoconiosis customers were chosen as subjects, including 45 patients in stage Ⅰ pneumoconiosis team, 36 customers in stage Ⅱ pneumoconiosis group and 33 patients in stage Ⅲ pneumoconiosis team. Fifty healthier topics were enrolled and offered as control group. The longitudinal strain (LS) , radial stress (RS) and circumferential strain (CS) of no-cost wall middle and basal part of right ventricular had been collected and contrasted. Just the right ventricular worldwide longitudinal strain (GLS) , correct ventricular global circumferential strain (GCS) , right ventricular ejection fraction (RVEF) , correct ventricular international radial strain (GRS) , the rate of fractional area change (FAC) , the tricuspid valve systolic maximum velocity (TVSPV) and also the pulmonary artery systolic pressure (PASP) of each and every subject within the teams had been colsis.Objective To analyze the use of Chronic Obstructive Pulmonary disorder (COPD) Screening Questionnaire and pulmonary function test in dust-exposed migrant workers. Practices In May 2019, 149 situations of dust exposed migrant employees had been chosen while the analysis topics through the free hospital when you look at the country. COPD Screening Questionnaire and lung function test were carried out to evaluate the high-risk groups additionally the influencing elements of positive pulmonary function test outcomes. Results Among 149 cases of dust-exposed migrant employees, 107 (71.8%) had been positive for questionnaire assessment, 73 (49.0%) had been positive for pulmonary purpose test, 75 (50.3%) had been clinically determined to have coal employee’s pneumoconiosis, and 101 (67.8%) were clinically determined to have lung purpose injury. The positive rate of pulmonary function of migrant workers with positive questionnaire testing results ended up being significantly more than compared to individuals with unfavorable results (P20 bundle years had been higher (OR=19.814, 95%CI 3.854-101.883; OR=9.733, 95%CI 2.310-41.008; P less then 0.01) . Conclusion The risk of COPD in dust-exposed migrant employees is high, so we should fortify the early examination of the large pneumoconiosis stage and smoking population. The assessment read more survey can better monitor out the risky sets of COPD, and it will be utilized as a simple screening device.