نتایج جستجو برای: hearing
تعداد نتایج: 116411 فیلتر نتایج به سال:
Background: A controversy exists on the prevalence of hearing impairment in diabetic patients. Previous studies have reported figures ranging from 0 to 93%.Methods: 80 diabetic patients (mean age: 49.0816 range: 16-65 years) were evaluated with regards to their hearing thresholds, using pure tone and speech audiometry. The results were compared with 78 healthy controls. None of the patients ...
Introduction: Noise Induced Hearing Loss(NIHL) is among the most common occupational diseases which may cause irreversible and permanent hearing loss. Noise is the most frequent preventable occupational exposure. The most importanmt cause of NIHL is exposure to noise more than 85 dB and not to use hearing protection devices. Considering the importance of hearing protection deivices for preventi...
introduction: hearing loss from birth up to the age of 3 years has a negative effect on speech/language development and results in sensory, cognitive, emotional, and academic defects in adulthood by causing delayed development of communicative-linguistic abilities. the present study was performed in order to assess the effect of early intervention on language development in persian children age...
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...
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...
background: hearing loss due to chronic otitis media is common. the purpose of this study was to evaluate hearing before and after canal wall up, canal wall down mastoidectomy and tympanoplasty. methods: from 2004 to 2007, all patients with chronic otitis media who were admitted at the department of otolaryngology, babol medical university were studied. for 126 patients' canal wall up, can...
conclusions despite rising figures of reported occupational hearing loss, working nbii statistics show that the nihl problem in the danish work environment has, in fact, decreased. in our study, we found that roughly one third (around 100 cases) of the 272 screened persons presumably had nihl, taking into account 88 probable cases (column b) and 44 questionable ones (column c + 16 ski slopes). ...
introduction: hearing loss is one of the most common problems in elderly people. functional side effects of hearing loss are various. due to the fact that hearing loss is the common impairment in elderly people; the importance of its possible effects on auditory memory is undeniable. this study aims to focus on the hearing loss effects on auditory memory. materials and methods: dichotic audit...
background: major beta thalassemia is the most common inherited anemia with high prevalence in iran and hearing loss is one of its side effects. the present study aimed to determine the hearing status of patients with major thalassemia and its relationship with serum ferritin level, period of blood transfusion and dessfroxamin administration. methods: this descriptive-analytic study was perform...
Background and Objective: There are many chemical, physical and biological hazards which are threatening the dentists' health. In this study we assessed the effect of noise on Zanjan dentists hearing loss as one of the dentistry physical hazards. Materials and Methods: This cross sectional study was performed on all zanjan dentists in 2006-7. All dentists were examined by audiometer (CA76 and A...
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