نتایج جستجو برای: round window niche
تعداد نتایج: 122463 فیلتر نتایج به سال:
OBJECTIVES/HYPOTHESIS To evaluate modified coupling techniques of the Vibrant Soundbridge system in patients with mixed and conductive hearing loss and to compare it with conventional vibroplasty. STUDY DESIGN Retrospective study. METHODS Two different groups were evaluated: 1) nine cases of conventional incus vibroplasty in comparison with 2) nine patients with modified coupling of the flo...
OBJECTIVE To enable development of an endoscope for cellular-level optical imaging of the inner ear. STUDY DESIGN A prospective study of 50 cadaveric human temporal bones to define detailed surgical anatomy of the round window (RW) region and the range of angles necessary to reach the RW membrane perpendicularly via the external ear canal. MAIN OUTCOME MEASURE The transcanal angle to the RW...
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: We aimed to establish the frequency of postoperative bony dehiscence overlying the mastoid portion of the facial nerve after round window membranous cochleostomy using high-resolution computer tomography, and to ascertain whether this was associated with a higher incidence of facial nerve injury compared with other studies. We also evaluated the usefulness of the St Thomas’ classific...
Introduction & Objective: The diagnostic value of endoscopic and microscopic procedures for viewing different structures of middle ear has been widely assessed however, no published study is available for comparing the diagnostic value of them in chronic otitis media patients. The present study conducted to compare diagnostic value of these two procedures for assessment of middle ear normal...
OBJECTIVE To measure the Quality of Life outcomes and impact on tinnitus perception in a group of patients after Round Window Vibroplasty (RW-VSB) for mixed or conductive hearing loss. STUDY DESIGN A single-subject, repeated measures design was employed. All VSB fittings were based on hearing thresholds results and were not set to mask tinnitus. METHODS Ten Round Window-Vibroplasty patients...
OBJECTIVE To investigate the ototoxic potential of ciprofloxacin hydrochloride, 0.3%, plus dexamethasone, 0.1%, after administration to the guinea pig middle ear. DESIGN Fifty guinea pigs were randomly assigned to 4 test groups of 10 animals each and 2 control groups of 5 animals each. The 4 test groups were treated twice daily for 4 weeks with 10 muL of (1) ciprofloxacin hydrochloride, 0.3%,...
X window terminals occupy a niche between X window workstations and graphics terminals. The purpose of terminals in general is to provide low-cost user access to host computers or smaller dedicated systems. X window terminals further the advance in graphics terminals and provide new and interesting ways to utilize host systems. Ethernet cable provides for graphics performance previously not see...
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