نتایج جستجو برای: hearing of extra
تعداد نتایج: 21176526 فیلتر نتایج به سال:
Background: Noise Induced Hearing Loss (NIHL) is one of the most common occupational diseases in the world. About 16% of hearing loss is associated with noise exposure in the workplaces. The aim of this research was investigation of the relationship between noise exposure and hearing loss. Methods: This cross-sectional study was conducted in 2010 on1062 workers in Tabriz Tractor Manufacturing ...
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 formatt...
Hearing loss is an important complication in chronic renal failure. The etiology of hearing loss is various in these patients, but uremia is the most important cause(uremic neuropathy). Other etiologies include electrolyte disorders (hyperkalemia-hyponatremia), vascular disorders, susceptibility to infections, antibiotics (e.g. aminoglycosides) and antihypertensive drugs. Studies on...
CONTEXT Congenital hearing loss affects between 1 and 3 out of every 1,000 children. Screening of all neonates has been made possible by the development of portable automated devices. Universal screening is a 2-stage screening process using automated transient-evoked otoacoustic emissions, followed when indicated by automated auditory brain response testing. Targeted screening reserves the 2-st...
Background : Hearing impairment affects all aspects of a personchr('39')s life, especially auditory perception, while the use of cochlear implantation or hearing aids has a positive effect on auditory function. The aim of this study was to compare the improvement of executive dysfunction in elderly people who are performing cochlear implantation with people who use hearing aids. Methods: The pr...
background: the possible role of cochlear function in tinnitus generation is still a matter of debate. to assess the role of outer hair cell dysfunction in tinnitus and its possible relationship with ultra-high frequency (uhf) hearing sensitivity, transient evoked otoacoustic emissions (teoae) and uhf hearing thresholds were investigated in normal hearing individuals with and without tinnitus. ...
conclusions the significant difference between groups 1 and 3 permits to establish a correlation between degree of nicotine addiction and hearing loss. however, further studies are needed to identify the mechanisms leading to hearing loss. patients and methods the study recruited smokers (100) and non-smokers as a reference group (100) aged 21 to 50 years living in noisy or quiet areas of beiru...
Background and aims: Exposure to excessive noise is a serious threat to the health of industrial workers' hearing. This is a study of hearing problems among workers in the sugar cane industry in Khoozestan Province. Methods: In this descriptive-analytical study, the hearing status of 265 employees, including workers in different sectors and administrative employees, was checked in terms o...
introduction: the prevalence of hearing loss in neonates is 2-5 out of every 1,000 live births. global health committee, american academy of otolaryngology, and american academy of pediatrics have recommended that hearing loss in infants be identified, and treated when possible, prior to 6 months of age. this study was designed with the aim to screen the hearing of neonates in mashhad, iran. me...
introduction: children learn to communicate by hearing sounds. if there is hearing loss, the cognitive and speaking abilities and language learning will deteriorate. early detection and intervention are important factors in the successful treatment of hearing loss in children. hearing loss (hl) is divided into two main groups: conductive hearing loss (chl) and sensorineural hearing loss (snhl),...
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