نتایج جستجو برای: loss of hearing
تعداد نتایج: 21191994 فیلتر نتایج به سال:
in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...
conclusions significant difference in the fundamental frequency, jitter, shimmer, silence duration, friction duration, vocalization duration, and vocal cords contact quality index between the two groups was observed (p < 0.01). results the mean of fundamental frequency for the hearing loss children and the control group were 323.04 hz and 267.53 hz, jitter 10.05% and 1.52%, shimmer 17.24 and 5....
Roger’s syndrome is a rare form of diabetes in children that is characterized with early onset of diabetes mellitus, megaloblastic anemia, and sensory neural hearing loss. In this report three cases of this syndrome from consanguineous Iranian families are introduced (two siblings and a cousin). They referred to pediatric ward of Imam Reza Hospital with hyperglycemia, anemia and sensory neural ...
objective sensorineural hearing loss is believed to be the result of a physiologic malfunction in the inner ear or acoustic nerve. depending on the rapidity of progression and severity, sensorineural hearing loss can be endlessly annoying, frightening and can constitute a permanent after effect. moreover, there is no surgical procedure that can reverse or lessen the severity of a sensorineural ...
Backgrounds and Objectives:Indusrial noise exposure is the most common hazardous agent in the world.This study has been done to determine the prevalence associated with occupational noise in car smoothers at qazvin.Materials and Methods: The study group composed of 50 subjects who were selected out of a total of 218 car smoothing workshops.Background information,exposure time and...with a quest...
ra (rheumatoid arthritis) is a chronic multisystem disease with a variety of systemic manifestations. one of these manifestations, is hearing disorder, so study of the relation between ra and hearing disorders is seem important. this was a case-control study which has done from december 2004 to august 2006. this study compared 50 patients with ra, with age, sex and job-matched as control. audio...
background and aim: children with hearing loss and children with intellectual developmental disorders have defects in organizing and sensory integration. the aim of this study was to evaluate the effects of hearing impairment and intellectual disability on children's static and dynamic balance. methods: this cross-sectional comparative study was conducted on 17 boys with congenital severe to ...
introduction: serum anti endothelial cell antibodies (aecas) play a prominent role in idiopathic sensorineural hearing loss (snhl) in that they induce vascular damage (immune mediated).the of the current study is to compare aecas in serum and perilymphatic .uid of idiopathic snhl children (<15y) undergoing cochlear implant surgery.methods: this was a cross sectional study performed in the coch...
background: ototoxic chemicals can impair the sense of hearing and balance. in the past decades, the ototoxicity of solvents and their interaction with noise have become evident. this study has been carried out in the shoe manufacturing factory in tehran (iran) with the aim of evaluating the combined effects of noise and toluene on the workers' hearing. materials and methods: this cross-se...
Background: Hearing loss is one of the most common birth defects and early detection of this disorder at birth is not possible without hearing screening. The aim of this study was to determine the frequency of loss to-follow-up after neonatal hearing screening and its related factors in KhoramAbad Province - Iran. Methods: This retrospective correlational study was conducted in the time period...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید