Risk Assessment of Silicosis and Lung Cancer Mortality associated with Occupational Exposure to Crystalline Silica in Iran
Publish place: Journal of Research in Health Sciences، Vol: 22، Issue: 2
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JRHSU-22-2_005
تاریخ نمایه سازی: 28 تیر 1402
Abstract:
Background: Exposure to crystalline silica has long been identified to be associated with lung diseases.
Therefore, the present study aimed to assess the risk of silicosis and lung cancer associated with
occupational exposure to crystalline silica in Iran.
Study Design: It is a systematic review study.
Methods: Different databases were searched, and the Cochrane method was used for the systematic
review. Thereafter, cumulative exposure to crystalline silica (mg/m۳-y) was calculated in every industry.
The relative risk of death from silicosis was performed using Mannetje’s method. Based on the geometric
mean of exposure, the lung cancer risk of exposure to crystalline silica was also calculated.
Results: As evidenced by the results, worker’s exposure to silica ranged from a geometric mean of ۰.۰۲۱۲-
۰.۲۶۸۹ mg/m۳ (Recommended standard by the American Conference of Governmental Industrial Hygienists
(ACGIH) was ۰.۰۲۵ mg/m۳), which is generally higher than the occupational exposure limit recommended
by National Institute for Occupational Safety and Health (NIOSH), ACGIH, and occupational exposure
limits. The relative risk of silicosis was in the range of ۱ to ۱۴ per ۱۰۰۰ people, and the risk of lung cancer
in workers ranged from ۱۳-۱۳۷ per ۱۰۰۰ people.
Conclusion: Since workers are at considerable risk of cancer due to exposure to silica in Iran, exposure
control programs need to be implemented in workplaces to decrease the concentration of silica.
Keywords:
Authors
Nafiseh Nasirzadeh
PhD, Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Zahra Soltanpur
MSc, Department of Occupational Health Engineering, Faculty of Health, Tabriz University of Medical Science, Tabriz, Iran
Yousef Mohammadian
PhD, Department of Occupational Health Engineering, Faculty of Health, Tabriz University of Medical Science, Tabriz, Iran
Farough Mohammadian
PhD, Department of Occupational Health Engineering, Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran