نتایج جستجو برای: congenital sensory neural hearing loss
تعداد نتایج: 951543 فیلتر نتایج به سال:
OBJECTIVE Hearing loss is the most common sensory deficit and congenital anomaly, yet the decision-making processes involved in disclosing hearing loss have been little studied. To address this issue, we have explored the phrases that adults with hearing loss use to disclose their hearing loss. DESIGN Since self-disclosure research has not focused on hearing loss-specific issues, we created a...
This statement has been approved by the Council on Child and Adolescent Health. PEDIATRICS (ISSN 0031 4005). Copyright © 1987 by the American Academy of Pediatrics. screening by pure-tone audiometry be used as the primary method of detection of hearing loss in school children; (4) the impedance bridge not be used as a replacement for audiometnic screening, because it will not detect sensory neu...
pendred's syndrome is defined as a triad of congenital perceptive hearing loss, goiter, and abnormal perchlorate test. three brothers with pendred's syndrome [p.s.] are reported. the oldest brother has hearing loss (he has been deaf and mute since childhood) and has a large goiter. a thyroid scan revealed euthyroid multinodular goiter and a perchlorate test was performed, and reported...
Auditory efferent neurons reside in the brain and innervate the sensory hair cells of the cochlea to modulate incoming acoustic signals. Two groups of efferents have been described in mouse and this report will focus on the medial olivocochlear (MOC) system. Electrophysiological data suggest the MOC efferents function in selective listening by differentially attenuating auditory nerve fiber act...
Background and Objective: Hearing loss as a sensory disorder is among the most common developmental disorders. Based on the universal neonatal screening results, the incidence of hearing deficit is 1–3 per 1000 live births in the well-baby nursery population and 2–4 in 100 newborns in the intensive care community. The aim of this study was to highlight the main risk factors for hearing loss bas...
Sporadic endolymphatic sac tumor is a very rare neoplasm. It is low malignant, locally destructive and expansive, but non-metastasizing. The tumor is very rare in the sporadic form, but more often associated with Von Hippel-Lindau disease. A 65-year old man with left sided tinnitus and hearing loss for several months. Audiometry showed an asymmetrical sensory neural hearing loss on the left sid...
Anderson-Fabry which is also known as Fabry disease is an X-linked recessive enzyme deficiency disorder. Its clinical manifestations are caused by storage of sphingolipids in the lysosomes of the endothelial, perithelial, and smooth muscle cells, which is due to alpha galactosidase A enzyme deficiency. Its hallmark dermatological manifestation is diffuse angiokeratomas known as ...
Usher syndrome is the most prevalent cause of hereditary deaf-blindness, characterized by congenital sensorineural hearing impairment and progressive photoreceptor degeneration beginning in childhood or adolescence. Diagnosis and management of this disease are complex, and the molecular changes underlying sensory cell impairment remain poorly understood. Here we characterize two zebrafish model...
Introduction: Hearing is essential for humans to communicate with one another. Early diagnosis of hearing loss and intervention in neonates and infants can reduce developmental problems. The aim of the present study was to assess the prevalence of hearing impairment in newborns admitted to a neonatal intensive care unit (NICU) and analyze the associated risk factors. Materials and Methods:...
About 120 million people worldwide suffer from congenital (early-onset) hearing loss. Thirty percent of them have syndromic hearing loss and the remaining 70% have non-syndromic hearing loss. In addition, a large number of elderly people worldwide suffer from age-related (late-onset) hearing loss. c-Ret and c-RET have been shown to be essential for the development and maintenance of neurons inc...
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