نتایج جستجو برای: cochleostomy
تعداد نتایج: 120 فیلتر نتایج به سال:
In mammals, damage to sensory receptor cells (hair cells) of the inner ear results in permanent sensorineural hearing loss. Here, we investigated whether postnatal mouse inner ear progenitor/stem cells (mIESCs) are viable after transplantation into the basal turns of neomycin-injured guinea pig cochleas. We also examined the effects of mIESC transplantation on auditory functions. Eight adult fe...
Introduction: Cochlear implantation (CI) is now regarded as a standard treatment for children with severe to profound sensor neural hearing loss. This study aimed to compare the efficacy of the round window approach (RWA) and standard cochleostomy approach (SCA) in the preservation of residual hearing after CI in pediatric patients. Materials and Methods: This double-blind ran...
OBJECTIVE/HYPOTHESIS The objective of this controlled animal study was to evaluate the effects of intrascalar blood on hearing. MATERIAL AND METHODS Eight guinea pigs underwent intrascalar administration of their own blood in one ear and control solution in the contralateral ear. Solutions were applied through cochleostomy to the scala tympani. Compound action potential (CAP) thresholds were ...
OBJECTIVES/HYPOTHESIS Image-guided optical tracking systems are being used with increased frequency in lateral skull base surgery. Recently, electromagnetic tracking systems have become available for use in this region. However, the clinical accuracy of the electromagnetic tracking system has not been examined in lateral skull base surgery. This study evaluates the accuracy of electromagnetic n...
Background: Reports vary on the incidence of vestibular dysfunction and dizziness in patients following cochlear implantation (CI). Disequilibrium may be caused by surgery at base, leading to functional disturbances receptors endolymphatic duct system (EDS) which are located nearby. Here, we analyzed three-dimensional (3D) anatomy this region, aiming optimize surgical approaches limit damage or...
OBJECTIVES/HYPOTHESIS We compare the behavior of expert surgeons operating on the "gold standard" of simulation-the cadaveric temporal bone-against a high-fidelity virtual reality (VR) simulation. We aim to determine whether expert behavior changes within the virtual environment and to understand how the fidelity of simulation affects users' behavior. STUDY DESIGN AND METHODS Five expert otol...
OBJECTIVES/HYPOTHESIS To report on single-center data of an FDA-approved clinical trial on the objective benefits of cochlear implantation and subsequent ipsilateral Electric-Acoustic Stimulation (EAS). STUDY DESIGN Single-center data from a prospective, multicenter clinical trial. METHODS Eighteen subjects completed the 12-month EAS evaluation and were included in this evaluation. Each pat...
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