نتایج جستجو برای: hearing threshold

تعداد نتایج: 234179  

Journal: :iranian journal of otorhinolaryngology 0
rasool panahi department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran. jafari zahra department of basic sciences in rehabilitation, faculty of rehabilitation, rehabilitation research center, tehran sheibanizade abdoreza department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran. salehi masoud department of biostatistics, faculty of management and medical information, university of medical sciences, tehran, iran. esteghamati abdoreza children's hospital, martyr akbar-abadi, tehran university of medical sciences, tehran, iran. hasani sara department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran.

introduction: neonatal hyperbilirubinemia is one of the most important factors affecting the auditory system and can cause sensorineural hearing loss. this study investigated the relationship between behavioral hearing thresholds in children with a history of jaundice and the maximum level of bilirubin concentration in the blood.   materials and methods: this study was performed on 18 children ...

علی اصغر پیوندی, , محمد ابراهیم مهدوی, ,

Background: Cortical Evoked Response Audiometry (CERA) refers to prediction of behavioral pure-tone thresholds (500-4000 Hz) obtained by recording the N1-P2 complex of auditory long latency responses. CERA is the preferred method for frequency–specific estimation of audiogram in conscious adults and older children. CERA has an increased accuracy of determination of the hearing thresholds of ale...

A Shahidi M Khodarahmi M.A Damghani

Introduction: Sensorineural hearing loss (SNHL) is a probable complication of coronary artery bypass graft (CABG) Surgery, that may be due to embolism, perfusion failure and consumption of ototoxic drugs. Since the incidence of SNHL after CABG is different according to the various reports, the present study was designed to study hearing threshold change after CABG surgery. Method: In this cross...

Journal: :international journal of occupational hygiene 0
fatemeh khaldari msc student, department of biostatistics and epidemiology, faculty of health, kerman university of medical sciences, kerman, iran; narges khanjani associate professor, environmental health engineering research center, kerman university of medical sciences, kerman, iran abbas bahrampour professor, department of biostatistics and epidemiology, faculty of health, kerman university of medical sciences, kerman, iran mohammad reza ghotbi ravandi assistant professor, department of occupational health, faculty of health, kerman university of medical sciences, kerman, iran ali ali asghar arabi mianroodi assistant professor, department of ear, nose and throat, faculty of medicine, kerman university of medical sciences, kerman, iran

original article   extended exposure to noise can cause permanent hearing damage. this study aimed to determine the incidence time of hearing loss and its effective factors in workers exposed to noise. this retrospective cohort study, was conducted on a total of 273 workers in various sectors of kerman copper by-industries co. their hearing status and the incidence of hearing loss (hearing thre...

K Mozafarinia M Ghazvini Z Farahmand

The aim of this study was the evaluation of hearing threshold in patients with beta thalasemia major. For this purpose, 178 patients who were under regular chelation therapy with desferrioxamine (DFO) were selected and underwent ear, nose, throat examinations and audiological evaluations. Patients were between 4 to 25 years old and 54.9% were male and 45.1% were female. Three patients were excl...

برادران فر, محمدحسین, افخمی اردکانی, محمد , محمودی, علی ,

Background and Aim: It seems that diabetes mellitus affects hearing system by several mechanisms including microangiopathy ,sorbitol deposition and glycosilation ,dealing to progressive bilateral sensorineural hearing loss which is related duration of diabetes. Materials and Methods: This is a descriptive cross-sectional study performed on 300 patients with type 2 diabetes mellitus aged 30 to 5...

Journal: :journal of research in rehabilitation sciences 0
محیا شریفی نیک سیما تاجیک قاسم محمدخانی شهره جلایی mahya sharifinik sima tajik

abstract   introduction: conductive hearing loss attenuates and delays sound transmission in the middle ear. it can make variety of central auditory processing disorders; that persists even after resolve of peripheral auditory system problems. one of the aspects of central auditory processing is the temporal processing, which is important for understanding speech, including temporal resolution,...

Journal: :journal of research in medical sciences 0
behrouz barati departments of otolaryngology, shahid beheshti university of medical sciences, tehran, iran seyyed hamid reza abtahi department of otorhinolaryngology, isfahan university of medical sciences, isfahan, iran seyyed mostafa hashemi department of otorhinolaryngology, isfahan university of medical sciences, isfahan, iran seyyed ahmad reza okhovat department of otorhinolaryngology, isfahan university of medical sciences, isfahan, iran mehdi poorqasemian department of otorhinolaryngology, isfahan university of medical sciences, isfahan, iran ali goljanian tabrizi departments of otolaryngology, shahid beheshti university of medical sciences, tehran, iran

normal 0 false false false en-us x-none ar-sa background: considering the presence of squamous epithelial cells and fibroblasts in the tympanic membrane (tm), topical estrogen application may influence the repair of tm perforations. therefore, this study was designed to investigate the healing effect of topical estrogen on chronic tm perforations and improvement in hearing threshold. materials ...

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...

Journal: :journal of occupational health and epidemiology 0
mh beheshti gonabad a firoozi chahak aa alinaghi langari

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...

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