نتایج جستجو برای: hereditary hearing loss
تعداد نتایج: 562756 فیلتر نتایج به سال:
It is estimated that hereditary hearing loss accounts for 60% of deafness in the developed countries. About 30% of hereditary hearing impairment is syndromic which involves other presenting abnormalities along with deafness. There are more than 400 syndromes which include various degrees of hearing impairment with different phenotypes. (Barlow Stewart et al., 2007; Berrettini et al., 2008). Abn...
objectives: the prevalence of consanguineous marriage is about 30 % in iran and this can increase the probability of incidence of genetic impairments such as hearing impairments. hearing impairment in comparison with other hereditary disorders is the most incident. the purpose of this survey is to identify the prevalence of consanguinity among the parents of sensoryneural hearing impaired stude...
introduction: hearing loss is the most common sensory neural defect in humans, affecting 1 in 1000 neonates, with over half of these cases predicted to be hereditary in nature. most hereditary hearing loss is inherited in a recessive fashion, accounting for approximately 80 % of non-syndromic hearing loss (nshl). mutations in gjb2 gene are major cause of inherited deafness in the european and a...
Reactive oxygen species (ROS) production is involved in several apoptotic and necrotic cell death pathways in auditory tissues. These pathways are the major causes of most types of sensorineural hearing loss, including age-related hearing loss, hereditary hearing loss, ototoxic drug-induced hearing loss, and noise-induced hearing loss. ROS production can be triggered by dysfunctional mitochondr...
OBJECTIVE: Familial Mediterranean fever (FMF) is the most common and best understood disease of hereditary periodic fever syndromes. Various degrees of sensorineural hearing loss can be seen in the progression of some hereditary periodic fever syndromes. There are very limited and controversial studies in the literature with regard to hearing loss in patients diagnosed with FMF. We aimed to eva...
The genetic heterogeneity of hereditary hearing loss is thus far represented by hundreds of genes encoding a large variety of proteins. Mutations in these genes have been discovered for patients with different modes of inheritance and types of hearing loss, ranging from syndromic to non-syndromic and mild to profound. In many cases, the mechanisms whereby the mutations lead to hearing loss have...
Background and Aim: Major beta thalassemia is the most common hereditary anemia in our country, especially in the shores of Caspian Sea, Oman and the Persian Gulf. Hearing impairment is one of its complications. This study was aimed to evaluate the hearing impairment in thalassemic patients in South Khorasan province. Materials and Methods: This descriptive-analytic and cross sectional s...
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