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1.
China Occupational Medicine ; (6): 81-85, 2020.
Article in Chinese | WPRIM | ID: wpr-881870

ABSTRACT

OBJECTIVE: To explore the detection of small airway dysfunction in occupational populations and its influencing factors. METHODS: A convenient sampling method was adopted, and 15 490 occupational health workers who were tested for pulmonary ventilation function in 2018 were selected as study subjects. The results of pulmonary ventilation function examination and chest direct digital radiography(DR) were collected and analyzed. RESULTS: Among the study subjects, 2 083 were detected to have abnormal pulmonary ventilation function, the abnormal detection rate was 13.4%; 3 089 subjects were detected to have small airway dysfunction, and the abnormal detection rate was 19.9%. The two-class logistic regression analysis results suggested that female, exposure to organic dusts during work, exposure to asthmogenic during work, chest DR abnormalities and abnormal pulmonary ventilation function were risk factors for abnormal small airway function(P<0.05). CONCLUSION: The abnormal small airway function in occupational populations is related to various factors such as gender and occupational exposure to allergens. The screening of small airway function in this group may help advance the prevention and treatment of respiratory diseases.

2.
Article in Chinese | WPRIM | ID: wpr-804685

ABSTRACT

Objective@#To investigated the effect of long-term low-concentration mixed benzene exposure on peripheral blood of male workers.@*Methods@#A case-control study was conducted to select 452 male workers exposed to mixed benzene (benzene, toluene, xylene) for five consecutive years from January 2012 to December 2016 in an automobile manufacturer as case group, and 438 male administrative and logistic managers who underwent physical examination during the same period as control group. The peripheral blood of the two groups was tested and compared, and the occupational hazards in the workplace were detected.@*Results@#There were low dose exposure to mixed benzene in the enterprise, but the test results met the occupational exposure limit requirements. During the five years from 2010 to 2016, between the two groups of workers, the mean values of WBC, NEUT, RBC and Hb were statistically different (P<0.05). There was no statistical difference (P>0.05) in the mean value of PLT. The abnormal rate of main peripheral blood indexes in the control group was higher than that in the exposed group. There were significant differences in NEUT, RBC and Hb (P< 0.05), but no significant differences in WBC and PLT (P>0.05).@*Conclusion@#It can not be concluded that long-term low-concentration mixed benzene exposure can cause the change of peripheral blood index.

3.
Article in Chinese | WPRIM | ID: wpr-796413

ABSTRACT

Objective@#To understand the prevalence of gynecologic diseases among married female workers.@*Methods@#The data of married female workers who underwent occupational health examination in a physical examination center from January to December 2017 were collected. The relationship between the detection of common gynecological diseases, age and occupational types examined by gynecological routine, TCT, breast B-mode ultrasound, uterus and appendix B-mode ultrasound were analyzed.@*Results@#Among the 1142 female workers, the total detection rate of reproductive tract infections was 67.25% (768/1142), the total detection rate of breast-related diseases was 75.22% (859/1142) ; the total detection rate of gynecological tumors and benign lesions was 14.71% (168/1142). The detection rate of breast hyperplasia was the highest 67.08% (766/1142), followed by vaginitis 51.66% (590/1142). Among the abnormalities detected in breast-related diseases, gynecological tumors and benign lesions, the highest detection rate was found in public institutions (85.66% and 27.13%), and the lowest was found in factory workers (70.24% and 7.89%). With the increase of age, the detection rate of breastrelated diseases (breast hyperplasia, breast cyst), gynecological tumors, benign lesions (uterine myoma), and Nessler's cyst abnormalities in married female workers increased (χ2trend=7.647、21.653、107.411、53.802, P<0.05), while the detection rate of columnar epithelium of cervix decreased (χ2trend=7.404, P<0.05). There was no significant difference in the total detection rate of reproductive tract infectious diseases (vaginitis, cervical polyps, cervical hypertrophy) among married famale workers of different ages (P<0.05) .@*Conclusion@#The common gynecological diseases of married female workers are affected by many factors such as age and occupation. Health examination and health education should be carried out regularly to reduce the incidence of gynecological diseases among female workers according to different ages and occupations.

4.
China Occupational Medicine ; (6): 345-348, 2019.
Article in Chinese | WPRIM | ID: wpr-881803

ABSTRACT

OBJECTIVE: To explore the 2014 edition of the diagnostic criteria of occupational noise-induced deafness on the assessment of hearing loss in occupational health examination. METHODS: A total of 835 noise-exposed workers were selected as study subjects by cluster sampling method. The hearing threshold results were compared through two different editions of criteria: GBZ 49-2007 Diagnostic Criteria of Occupational Noise-induced Deafness( GBZ 49-2007) and GBZ 49-2014 Diagnosis of Occupational Boise-induced Deafness( GBZ 49-2014). RESULTS: The binaural high frequency threshold average calculated by GBZ 49-2007 was lower than that of GBZ 49-2014 [( 46. 8 ± 8. 1) vs( 49. 2 ± 8. 0) d B,P < 0. 01].The speech frequency threshold average of the good ear calculated by GBZ 49-2007 was lower than the monaural threshold of weighted value of the good ear of GBZ 49-2014 [( 18. 8 ± 3. 6) vs( 22. 0 ± 3. 3),P < 0. 01]. The speech frequency threshold average of the good ear and the monaural threshold of weighted value of the good ear calculated after age and sex correction using GBZ 49-2007 were lower than that calculated by using GBZ 49-2014 [( 18. 8 ± 3. 6) vs( 19. 4 ± 3. 6),( 21. 5 ±3. 4) vs( 22.0 ±3.3),P <0.05]. The detection rate of suspected occupational noise-induced deafness GBZ 49-2014 was higher than that of GBZ 49-2007( 6. 35% vs 2. 87%,P < 0. 01). CONCLUSION: In occupational health examination,the diagnostic criteria of GBZ 49-2014 can diagnose patients as suspected occupational noise-induced deafness easier than that of GBZ 49-2007.

5.
China Occupational Medicine ; (6): 329-334, 2018.
Article in Chinese | WPRIM | ID: wpr-881702

ABSTRACT

OBJECTIVE: To investigate the prevalence of chronic diseases and main influencing factors in workers under high-temperature in a port of Guangzhou City.METHODS: A total of 5 603 workers under high-temperature operation condition were selected by judgment sampling method.The occupational health examination results were collected to analyze the prevalence of chronic diseases and the related influencing factors.RESULTS: The prevalence of chronic diseases was 67.6%.The prevalence rates of hyperlipidemia,hyperuricemia,hypertension and diabetes were 51.8%,29.3%,14.0% and 10.2%,respectively.Multivariate logistic regression analysis indicated that the risks of hyperlipidemia,hyperuricemia and hypertension in male workers were higher than that of female workers( P < 0.05).The prevalence risk of hyperlipidemia,hypertension and diabetes increased with the increase age( P < 0.01).With the increase of the length of high-temperature operation,the risk of hyperlipidemia,hyperuricemia and hypertension increased( P < 0.01).The risk of hypertension in regular smokers was higher than that of non-smokers( P < 0.05).The less exercise,the higher risk of hypertension and diabetes( P < 0.01).CONCLUSION: The prevalence of chronic diseases is high in workers exposed to high-temperature.The gender,age,length of high-temperature operation,smoking and exercise were the major influencing factors of chronic diseases in the workers.

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