Authors: Kotseva, Komelia; Braeckman, Lutgart; De Bacquer, Dirk; Bulat, Petar; Vanhoorne, Michel

Source: International Journal of Occupational and Environmental Health, Number 1, January/March 2001 , pp. 7-13(7)

Publisher: Maney Publishing

Abstract:

The objectives of this study were to investigate the cardiovascular effects in workers currently exposed to carbon disulfide (CS₂) below the threshold limit value (TLV) of 31 mg/m₃ and to determine the prevalence of coronary heart disease (CHD) after long term exposure. 172 men (91 workers exposed to CS₂ in a viscose rayon factory and 81 referent workers) were examined using a medical and job history questionnaire, Rose's questionnaire, and electrocardiography at rest, and by measuring blood pressure and serum lipids and lipoproteins. Personal exposures were monitored simultaneously with active sampling and findings were analyzed according to the NIOSH 1600 method. As a result of technical and organizational improvements, personal CS₂ exposures were well below the TLV (5.4–13.02 mg/m³). No significant effect of CS₂ on blood pressure or lipids (total cholesterol, HDL and LDL cholesterol, triglycerides, and apolipoproteins AI and B) was found, even after allowance for confounding factors. The prevalence of CHD (ECG abnormalities and chest pain) was higher in the viscose rayon workers than in the workers with no exposure but reached statistical significance for men with exposure histories often years and more only (cumulative CS₂ index ≥ 150 mg/m₃, the most highly exposed group). The findings suggest that the coronary risk is increased in workers previously exposed to high CS₂ concentrations but not in those exposed to CS₂ levels below the current TLV.

Keywords: blood pressure; lipid metabolism; cardiovascular system; carbon disulfide

Document Type: Research Article

Publication date: 2001-01-01

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