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Risk Behaviour of lead-exposed Workers and Hearing Impairment

Author(s): Salma Galal | Gamal H El-Samra | Manal Mazhar | Fatma El-Kholy | Amel Hegazy

Journal: International Journal of Collaborative Research on Internal Medicine & Public Health
ISSN 1840-4529

Volume: 3;
Issue: 3;
Start page: 182;
Date: 2011;
Original page

Keywords: Blood lead | hearing impairment | masculinity | battery industry | print shop

Background: The widespread use of lead and its components has its hazards and causes health disordersto industrial workers. The hazards are determined by a number of factors e.g. work process, ventilation,general hygienic condition of the workroom and personnel 1, and preventive measures. No prevalence ofdeafness associate with lead exposed workers was found in Egypt. However, there is an increase in allcausemortality with high blood lead level.Aim and objectives: The aims of this study are:1. To determine the association between elevated blood lead levels and hearing impairment in leadexposedworkers.2. To investigate the use of preventive measuresMethods and study design: The study was conducted on a random sample of 61 lead-exposed (mean age40.4 years) and 50 non-exposed male workers (mean age 39.2 years) in printing presses and batteryindustries in Cairo. Blood lead levels were determined and an audiometric evaluation was done atdifferent frequencies (500-8000 Hz). The use of preventive measures for lead-exposed workers wasinvestigated and regular check-up.Results/ Findings: The mean blood lead level in the lead-exposed group was 52.5 μg/dl + 21.5, and inthe non-exposed was 18.2 μg/dl + 5.9 (t=10.9 (CI 28.1 – 40.5) p
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