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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/1306

Title: Evaluation of immittance testing for the identification of middle ear pathology in South African mineworkers.
Authors: Habig, A
De Koker, E
Keywords: SIMRAC
SIM 020701
Immittance testing
Middle ear pathology
Tympanometry
Issue Date: Apr-2004
Citation: Habig, A and De Koker, E. 2004. Evaluation of immittance testing for the identification of middle ear pathology in South African mineworkers. Safety in Mines Research Advisory Committee, SIM 020701, April, 2004, pp 1-67
Abstract: The study evaluated immittance measures, specifically tympanometry and acoustic reflex testing, for the identification of middle ear pathology among South African mineworkers. The outcomes of medical history reviews, otoscopy, tympanometry, acoustic reflex testing and pure-tone screening audiometry were considered for 181 gold mine workers, within the context of the employer’s medical surveillance programme for noise-induced hearing loss (NIHL). Different screening procedures were compared with regards to the ability to identify middle ear problems Acoustic reflexes were found to be too sensitive for use in this population. Otoscopy identified 49.7 per cent of workers as having active or previous middle ear problems while tympanometry identified 27.1 percent of workers. The workers all had normal hearing and would not have been identified by normal audiometric screening procedures.
Description: This report consists of 2 papers: report summary & Main Content
URI: http://hdl.handle.net/10204/1306
Appears in Collections:Safety in mines research advisory committee
General science, engineering & technology

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