Methods: Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and personal histories, radiological findings, and pulmonary function test (PFT) results including slow vital capacity (SVC), forced vital capacity (FVC) and peak expiratory flow rate (PEFR).

ASgroup and patients with pulmonary fibrosis (38 patients with pleura plaques, 40 patients with silicosis on the basis of chest radiographs, and 33 stone crushers exposed to silicon dust but with normal chest radiographs).6 7 Results LUNG FUNCTION AND LUNG VOLUMES Variables reflecting lung volumes andfunctions are Pulmonary involvement in ...

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Jul 01, 2006· The aim of this study is to examine the effects of stone crushing in West Bengal, India, by comparing pulmonary functions of stone crushing workers with those of nonexposed agricultural workers.Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and personal histories, radiological findings, …

Mar 03, 2006· A cluster of 50 stone crushing units located at Pammal, in suburban Chennai, ... Pulmonary function tests performed on workers showed that the average values of pulmonary function in these workers are significantly lower than the average values reported for normal South Indian healthy males.

stone crusher diseases seaforthlodge co za. In Mahendergarh, crushers spread disease, dust, gloom . Oct 17, 2019 Stone crushers produce incessant clouds of dust and unabating noise while reducing huge boulders to gravel or crusher sand in the water deficient district, leading to a . Pulmonary Function Test in Stone Crusher Plant Workers. Get Price

May 06, 2008· Read "Comparison of pulmonary function test abnormalities between stone crushing dust exposed and nonexposed agricultural workers, Environmental Health and Preventive Medicine" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

stone crushing industries in Bangladesh Ehtesham Kabir ... There is significant relation between pulmonary function and duration of work. Table II ... value of lung function test increased (3.28 ±0.31 and 3.85 ±0.17) among the group of workers engaged in their work for more than 60 months. It is possible that those workers suffered from

Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and personal histories, radiological findings, and pulmonary function test (PFT) results including slow vital capacity (FVC), forced vital capacity (FVC) and peak expiratory flow rate (PEFR).

Silicosis is the most common occupational lung disease in Thailand. Determinants of pulmonary function impairment in Thai silicotic patients have not been mentioned before. The present study was conducted in silicotic patients who attended the

tribution, the Wilcoxon's signed rank test (paired samples) or the Mann-Whitney U test (unpaired samples). For some purposes multiple regression with the lung function test as dependent value was used. Table 3 Smoking habits in granite crushers and referents in 1988 Non-smokers Ex-smokers Smokers Stone crushers (all 45): No 11 22 12

Mar 05, 2018· Occupational exposure to dust is a major health and safety concern for workers in developing countries. Such laborers are often exposed to dust without being aware of its threat to their health. In the process of crushing stone, mineralogical materials are released into the environment. The material includes dust, fumes, ashes or other industrial waste which may …

Jan 23, 2014· Results were compared by unpaired student's 't' test, and correlation between duration of work and % difference in pulmonary function was done using Pearson correlation co efficient.The results showed a significant reduction in mean values of FVC, FEV1, FVC/FEV1 %, PEF, and FEF25-75% between quarry workers and their matched controls.

The diagnostic criteria for silicosis include chest radiography, Pulmonary Function Testing and Exposure history. The radiographs as per n0I111S were read by: P Dr. Arthur Frank, Chief of occupational health, Drexel University, Philadelphia. who is intemationally known for his work in occupational respiratory diseases.

Tuberculosis (AFB Test), Spirometry (Pulmonary Function Test), and Radiology was undertaken.Tuberculosis test was done by AFB (Acid Fast Bacillus) Test. Pulmonary Functiontest was carried out usingSpirometer. Radiology (X-ray) of workers was done. There are near about 41 stone crushers in Chitrakoot, 11

A decrease in pulmonary function has also been observed among stone crushers. Fifty workers engaged in stone crushing outside Chennai, India were assessed for pulmonary function. Tests revealed significant decreases in forced vital capacity (FVC), forced expira-tory volume in one second (FEV 1), and peak expiratory flow rate (PEF) for stone ...

The pulmonary function tests were performed in quarry workers and controls, Pulmonary functions were assessed by using computerized spi-rometer (Spirowin 2.0). Results were compared by unpaired student's 't' test, and correlation between duration of work and % difference in pulmon ary function was done using Pearson

Considerable pulmonary function impairments have been reported in quarry workers. 9,10 In a study by Ghotkar, et al, 11 the prevalence of respiratory morbidity among stone quarry workers was 32.5%, based on radiological study; the severity of pulmonary function impairment was significantly associated with increasing age, duration of exposure to ...

pulmonary function tests on the subjects were done comfortably in an upright position. During the test, the subject was adequately encouraged to perform their optimum level and also a nose clip was applied during the entire maneuver. Tests were repeated three times and the best matching results were considered for analysis.

All these subjects were subjected to chest radiography and pulmonary function tests. Results: For 134 ex-workers, the mean age was 31.77 ± 9.99 years and the mean duration of exposure was found to be 2.74 ± 1.65 years while for the present workers, the mean age was 26.74± 7.12 years while the mean duration of exposure was 1.36 ± 2.68 years.

The aim of this study is to examine the effects of stone crushing in West Bengal, India, by comparing pulmonary functions of stone crushing workers with those of nonexposed agricultural workers. Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and personal histories, radiological findings, …

Sep 17, 2021· Sheikh JA, Khan ZA, Khan T, et al.: Pulmonary function among stone quarry workers in India: The effect of duration of exposure, smoking status and job profile on pulmonary function tests. J. Health Social Sci. 2018; 3(2): 137–146. Publisher Full Text ; 52.

Comparison of pulmonary function test abnormalities. Objectives The aim of this study is to examine the effects of stone crushing in West Bengal, India, by comparing pulmonary functions of stone crushing workers with those of nonexposed agricultural workers. Methods Two hundred seventy two stone crushing workers and 123 nonexposed workers were ...

Particulate matter from stone crushing industry: size distribution and health effects. Kalpana Balakrishnan. Related Papers. Modeling of fugitive dust emission and control measures in stone crushing industry. By Mohan Raj. Exposure to Respirable Particulates and Silica in and around the Stone Crushing Units in Central India.

OBJECTIVE: To elucidate the effect of age, gender, duration of exposure to silica dust, smoking habit, and pulmonary function status on the serum ACE activity among quartz stone workers without disease. METHODS: A cross-sectional study was carried out on 134 (111 men and 14 women) workers of quartz stone crushing units were studied.

May 12, 2016· Workers involved in hydraulic fracking processes are exposed to various types of chemicals and dusts in their workplaces, such as proppants, which hold open the fissures created in the fracking process. Recently, ceramic proppants have been developed that may be less hazardous to workers than traditional proppants. Pulmonary function testing of workers …

Background: Thousands of artisanal workers are exposed to mineral dusts from various origins in the African Copperbelt. We determined the prevalence of respiratory symptoms, pulmonary function, and urinary metals among artisanal stone-crushers in Lubumbashi. Methods: We conducted a cross-sectional study of 48 male artisanal stone-crushers and 50 male taxi …

Jul 01, 2006· Comparison of Pulmonary Function Test Abnormalities between Stone Crushing Dust Exposed and Nonexposed Agricultural Workers CHATTOPADHYAY B. P., GANGOPADHYAY P. K., BANDOPADHYAY T. S., ALAM Jane Environmental health and preventive medicine 11(4), 191-198,

Pulmonary function tests were recorded in 120 male stone crusher workers. Intergroup statistical analysis amongst the workers depending on duration of exposure was carried out by Analysis of Variance (ANNOVA). We found that pulmonary function test bears relationship with duration of exposure, as the duration of exposure increases the pulmonary ...

Keywords: Stone crusher workers; Obstructive pulmonary disease; FEV1; Pulmonary function test; Respiratory illness Introduction As a consequence of rapid urbanization and mega constructions such as road, highways, bridges, building, canals, and dam occurring rapidly each year in Nepal, a parallel increase in numbers of stone crushing industries ...

Considerable pulmonary function im-pairments have been reported in quarry workers.9,10 In a study by Ghotkar, et al,11 the prevalence of respiratory morbidity among stone quarry workers was 32.5%, based on radiological study; the severity of pulmonary function impairment was significantly associated with increasing

Fine inhalable particulate matter (PM2.5) which has more associated human health problems was found high in the work place of stone crushers. Health survey viz., Pulmonary function test, blood sample test, general clinical evaluation was conducted to assess the extent of the damage caused to the workers. This study indicates that most of the ...

Pulmonary function test in stone crushers sand making the pulmonary function tests were performed in quarry workers and controls of quarry dust on pulmonary function among quarry workers of stone crushing concentration on peak expiratory flow rate of lungs of sand stone quarry workers.

All these subjects were subjected to chest radiography and pulmonary function tests. RESULTS: For 134 ex-workers, the mean age was 31.77 ± 9.99 years and the mean duration of exposure was found to be 2.74 ± 1.65 years while for the present workers, the mean age was 26.74± 7.12 years while the mean duration of exposure was 1.36 ± 2.68 years.

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Methods: A cross-sectional study was carried out among 100 male stone crusher workers, selected through multi-stage random sampling technique. Effect of risk factors on the pulmonary function tests of the workers was analysed by 'Students independent t-test', one-way ANOVA and simple linear regression. The