Background: Previous studies showed that one of the complications of rheumatoid arthritis disease was auditory disorder. The goal of the present study was to compare the auditory status in patients with rheumatoid arthritis and healthy individuals. Methods: In the present case-control study, 30 normal persons and 60 persons with rheumatoid arthritis with mean age of 46.72 and standard deviatio...

background: taxi drivers have the most important role in the public transport services. they are exposed to various harmful agents and occupational hazards. noise is a harmful occupational factors and hearing loss is its most important effect. protection of drivers against hearing loss is essential. this study was performed to determine the prevalence of hearing loss among taxi and agency drive...

BACKGROUND The objective of the study was the evaluation and comparison of hearing threshold values extrapolated from Auditory Steady State Responses, using 2 commercial systems and the estimation of correction factors applicable to the ASSR data. MATERIAL/METHODS One hundred ten subjects participated to the study. All subjects were initially examined with otoscopy, pure-tone audiometry and a...

Background: Taxi drivers have the most important role in the public transport services. They are exposed to various harmful agents and occupational hazards. Noise is a harmful occupational factors and hearing loss is its most important effect. Protection of drivers against hearing loss is essential. This study was performed to determine the prevalence of hearing loss among taxi and agency drive...

Sea turtles reside in different acoustic environments with each life history stage and may have different hearing capacity throughout ontogeny. For this study, two independent yet complementary techniques for hearing assessment, i.e. behavioral and electrophysiological audiometry, were employed to (1) measure hearing in post-hatchling and juvenile loggerhead sea turtles Caretta caretta (19-62 c...

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introduction: occupational exposure to excessive noise is commonly encountered in a large number of industries in iran. this study evaluated the hearing threshold and hearing loss in meybod tile factory workers. methods: this cross-sectional study included 371 tile factoryworkers during summer and autumn of 2005. current noise exposure was estimated using sound level meter .a specially formatte...

The behavioral audiograms of slow loris and potto were determined by the technique of conditioned suppression, and the auditory characteristics of Prosimians then estimated by combining the data with that of bushbaby. It is concluded that high-frequency hearing, low-frequency sensitivity, and total area of the audible field are well correlated with phyletic level, while lowest threshold and bes...