High-Resolution Computed Tomography and Pulmonary Function Findings of Occupational Arsenic Exposure in Workers

Year 2017, Volume: 34 Issue: 3, 263 - 268, 01.05.2017

Recai Ergün Ender Evcik Dilek Ergün Begüm Ergan Esin Özkan Özge Gündüz

Abstract

Background: The number of studies where non-malignant pulmonary diseases are evaluated after occupational arsenic exposure is very few. Aims: To investigate the effects of occupational arsenic exposure on the lung by high-resolution computed tomography and pulmonary function tests. Study Design: Retrospective cross-sectional study. Methods: In this study, 256 workers with suspected respiratory occupational arsenic exposure were included, with an average age of 32.9±7.8 years and an average of 3.5±2.7 working years. Hair and urinary arsenic levels were analysed. High-resolution computed tomography and pulmonary function tests were done. Results: In workers with occupational arsenic exposure, high-resolution computed tomography showed 18.8% pulmonary involvement. In pulmonary involvement, pulmonary nodule was the most frequently seen lesion (64.5%). The other findings of pulmonary involvement were 18.8% diffuse interstitial lung disease, 12.5% bronchiectasis, and 27.1% bullae-emphysema. The mean age of patients with pulmonary involvement was higher and as they smoked more. The pulmonary involvement was 5.2 times higher in patients with skin lesions because of arsenic. Diffusing capacity of lung for carbon monoxide was significantly lower in patients with pulmonary involvement. Conclusion: Besides lung cancer, chronic occupational inhalation of arsenic exposure may cause non-malignant pulmonary findings such as bronchiectasis, pulmonary nodules and diffuse interstitial lung disease. So, in order to detect pulmonary involvement in the early stages, workers who experience occupational arsenic exposure should be followed by diffusion test and high-resolution computed tomography.

Keywords

Arsenic, occupational disease, pulmonary function

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