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1) To evaluate the long-term (≥10 year) clinical incidence of endolymphatic hydrops (EH) after stapedectomy for otosclerosis, using low-frequency sensorineural hearing loss (LFSNHL) as a marker for EH. 2) To determine the histologic incidence of EH in human temporal bone specimens (TBS) with a
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We observed that some temporal bones with endolymphatic hydrops (EH) showed varying degrees of basalward displacement (towards the scala tympani) of the basilar membrane (BM) in the apical turn of the cochlea. In some, the BM was adherent to the bony wall of the scala tympani (i.e., the interscalar
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The incidence of apical endolymphatic hydrops was determined in 495 temporal bones from 300 subjects in whom the otopathologic diagnoses were presbycusis, otosclerosis, otitis media, and nonpathologic cochlea. The overall incidence was 15.8% and was not significantly different in the four diagnostic
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We studied temporal bone histopathology in 21 ears with Meniere's disease and 24 ears with endolymphatic hydrops without Meniere's symptoms and compared the findings to those in 10 ears with presbycusis and 11 ears with normal hearing. Normal hearing ears showed less degeneration of cochlear
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Molecular and cellular biology is the study of cellular ultrastructure and function. Current research in immune regulation, delineation of receptor control function (signal translation at the cellular level), and nucleic acid manipulation (genetic engineering) illustrates fundamental relationships
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Work idoneity in hearing loss must be related to working ability and evolution risks. Working ability is referred to the difficulties found in speech comprehension and in signals perception. As regards hearing loss evolution it is necessary to define if the subject is affected by conductive or
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A patient with bilateral Menière's disease who had progressive hearing loss and intractable vertigo was treated at ages 60 and 62 with parenteral streptomycin to ablate vestibular function, and at age 74 by a left endolymphatic shunt procedure. He was confined to a wheelchair because of ataxia from
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This study evaluates the morphological changes of the tectorial membrane (TM) in conjunction with degeneration of hair cells, interdental cells, and presence of endolymphatic hydrops (EH) in sensorineural hearing loss (HL) in the human using histopathology
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We microscopically examined the temporal bones of 12 ears with idiopathic sudden sensorineural hearing loss (iSSNHL), 10 ears with presbycusis, 11 ears with normal hearing, and 8 unaffected contralateral ears of patients with iSSNHL. The degeneration of the spiral ligament, vascular stria, hair
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The cochlea is principally supplied from the inner ear artery (labyrinthine artery), which is usually a branch of the anterior inferior cerebellar artery. Cochlear blood flow is a function of cochlear perfusion pressure, which is calculated as the difference between mean arterial blood pressure and
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Etkileşimli GPS haritası - bölgedeki bitkileri etiketleyin (yakında)
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İlgi alanlarınızı düzenleyin ve haber araştırmaları, klinik denemeler ve patentlerle güncel kalın
Bir belirti veya hastalık yazın ve yardımcı olabilecek bitkiler hakkında bilgi edinin, bir bitki yazın ve karşı kullanıldığı hastalıkları ve semptomları görün. * Tüm bilgiler yayınlanmış bilimsel araştırmalara dayanmaktadır