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Year : 2007  |  Volume : 11  |  Issue : 1  |  Page : 21-25

A study on blood eosinophil level and ventilatory pulmonary function of the workers exposed to storage grain dust

1 Regional Occupational Health Centre (Eastern), Block-DP, Sector -V, Salt Lake City, Kolkata - 700 091, India
2 Peerless Hospital and B. K. Roy Research Centre, 360, Panchasayar, Kolkata - 700 094, India

Correspondence Address:
B P Chattopadhyay
Regional Occupational Health Centre (Eastern) Block-DP, Sector -V, Salt Lake City, Kolkata - 700 091
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5278.32460

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The workers engaged in storage grain handling are exposed to storage grain dust and suffer from different respiratory symptoms like, cough wheezing, chest tightness, eye and nasal irritations. It has been reported abroad and the present study results noted that the grain handlers have allergic symptoms like redness of eyes, itching, sneezing, skin rash, breathlessness and decrement of pulmonary function test values. According to their nature of job, the workers of storage grain godowns were divided into four categories i.e., load handling worker (LHW), ancillary, quality control and depot administration workers. The pulmonary function tests (PFT) and the differential count of leucocytes were carried out among the workers by standard technique. Decrement of pulmonary function test values was noted with the increment of blood eosinophil level. The PFT results were presented according to the blood eosinophil level. The decrement of mean PFT values were noticed as the blood level of eosinophil gradually increased from, up to -4%, >4-10% and above 10%. The maximum numbers of workers in different job categories are belonged to >4 -10% of eosinophil level. The percentage figure of workers in different departments were LHW 48.38%, (n=45), ancillary 38.88%, (n=7), quality control 54.54% (n=6) and depot administration workers 47.05% (n=16) are belonged to that range. Among the total workers the higher figure was found >4-10% ranges 47.43% (n=74) workers. The allergic manifestations like redness, itchiness and watering of eyes, sneezing, cough, breathless etc. are reported. These workers have blood eosinophil level and low pulmonary function test values. The respiratory impairments among the workers are restrictive, obstructive and combined restrictive and obstructive type.


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