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  • Title: Biochemical and haematological assessment of workers exposed to some petroleum products in Rnugu Urban, Rnugu State, Nigeria.
    Author: Ukaejiofo EO, Nubila T, Ike SO.
    Journal: Niger J Med; 2006; 15(3):318-22. PubMed ID: 17111769.
    Abstract:
    BACKGROUND: Exposure to petroleum product(s) occurs during extraction, refining, transportation and utilisation. Surprisingly, this relatively common hazard has received little public recognition. We therefore studied the adverse effects of petroleum products among occupationally exposed liquefied petroleum gas and histochemical workers in Enugu Urban, Nigeria. METHODS: Eight industries/departments were surveyed. Sixty workers were tested for some biochemical and haematological parameters (phosphatases, transaminases, complete blood count, erythrocyte sedimentation rate), were analysed, using standard methods. Also, 30 age and sex-matched apparently healthy subjects served as the control group. RESULTS: When the test and control results were compared, there were statistically significant differences (p < 0.05) in: (1) haematocrit, reticulocytes, erythrocyte sedimentation rate, platelet, lymphocyte, monocyte, alkaline phosphatase, aspartate transaminase, alanine transaminase among liquefied petroleum gas workers and (2) haemoglobin, haematocrit, erythrocyte sedimentation rate, platelets, neutrophil, lymphocyte, monocytes, acid phosphatases and alkaline phosphatase among histochemical workers. Overall, there was statistically significant decrease (p < 0.05) in most of the parameters among the test subjects when compared with the control group. Blood films of the workers revealed mild to moderate hypochromia, anisocytosis and poikilocytosis while the controls were normocytic and normochromic. CONCLUSION: We conclude that exposure to petroleum products adversely affects biochemical and haematological parameters. Hence, improved working conditions are recommended.
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