Retrospective analysis and principles of occupational deafness formation nowadays

Abstract

The authors performed retrospective analysis of occupational deafness morbidity in some major enterprises of mining industry and machinery construction over 20 years (1991-2012). Analysis covered archives of Erisman Clinic over 1988 2012. Findings are considerable increase in occupational deafness occurrence in enterprises engaged into mining and ore processing. Disclosed features of occupational deafness formation and course nowadays are: prevalence of early and light forms of the disease (70-84%), longer terms of development by 3.7-6.5 years in average, older age of the patients by 4-7 years at primary diagnosis (in comparison with 1990s).