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  1. Erythrocyte cholinesterase activity levels in desert farm workers.

    Article - En anglais

    In this study we have examined 532 migrant farm workers engaged mainly in the cultivation of vegetable crops, in both greenhouses and openfarms, and an equal number of controls.

    Erythrocyte acetylcholinesterase activity (AChE) was measured to determine the degree of toxicity due to exposure to organophosphate and carbamate pesticides in the farm workers employed either as foremen (41.5%) or farmers (58.5%). The mean ages of the farm workers and controls were 35.2 ± 7.4 (mean ± SD) years and 34.6 ± 7.1 years.

    AChE activity of the farm workers and controls was 3.89 ± 0.64 Ul/ml (mean ± SD) and 4.15 ± 0.29 Ul/ml.

    The haemoglobin adjusted erythrocyte cholinesterase activity (HAChE) was 29.96±4.14 (mean±SD) for farm workers and 32.10 ± 2.26 for controls.

    AChE activity was very highly significantly lower for the foremen (3.76 ± 0.69) compared to farmers (3.98 ± 0.59) (Student's t-test=4.13, p=0.0001).

    HAChE was also very highly significantly lower for foremen (29.24 ± 4.37) compared to farmers (30.46 ± 3.88) (Student's t-test=3.64, p=0.0001).

    The poorly controlled use of pesticides in the farms appeared to have caused sub-clinical intoxication in the farm workers and indicated the need for training and implementation of hygiene practices.

    Mots-clés Pascal : Pesticide, Organophosphoré, Carbamate, Toxicité, Exposition professionnelle, Médecine travail, Agriculteur, Homme, Erythrocyte, Acetylcholinesterase, Carboxylic ester hydrolases, Esterases, Hydrolases, Enzyme, Serre, Hémoglobine, Epidémiologie, Emirats Arabes Unis, Asie, Surveillance biologique, Marqueur biologique

    Mots-clés Pascal anglais : Pesticides, Organophosphorus compounds, Carbamate, Toxicity, Occupational exposure, Occupational medicine, Farmer, Human, Red blood cell, Acetylcholinesterase, Carboxylic ester hydrolases, Esterases, Hydrolases, Enzyme, Greenhouse, Hemoglobin, Epidemiology, United Emirates, Asia, Biological monitoring, Biological marker

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0232163

    Code Inist : 002B03G. Création : 11/06/1997.