نتایج جستجو برای: round window

تعداد نتایج: 101171  

Journal: :The international tinnitus journal 2012
Roberta Marino Dayse Tavora Vieira Gunesh P Rajan

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...

Journal: :Journal of Advances in Medicine and Medical Research 2020

Journal: :The Laryngoscope 2015
Wade W Chien Devin S McDougald Soumen Roy Tracy S Fitzgerald Lisa L Cunningham

OBJECTIVES/HYPOTHESIS Gene therapy offers the possibility of delivering corrective genetic materials to the cochlea, potentially improving hearing. In animals, the most commonly used surgical methods for viral gene therapy delivery to the cochlea are the round window and the cochleostomy approaches. However, the patterns of viral infection and the effects on hearing have not been directly compa...

Journal: :Hearing Research 2016
Stephen J. Elliott Guangjian Ni Carl A. Verschuur

Preservation of residual hearing after cochlear implantation is now considered an important goal of surgery. However, studies indicate an average post-operative hearing loss of around 20 dB at low frequencies. One factor which may contribute to post-operative hearing loss, but which has received little attention in the literature to date, is the increased stiffness of the round window, due to t...

Journal: :Bio-medical materials and engineering 2014
Dong Ho Shin Hyung-Gyu Lim Eui Sung Jung Qun Wei Ki Woong Seong Jyung Hyun Lee Seung-Ha Lee Jin Ho Cho

Since the 1980's, various types of implantable hearing aids using unique means for delivering acoustic power to the inner ear have been developed. Recently, implantable hearing aids that stimulate the round window by the middle ear transducer have received great attention because it reduces loading effect at the ossicular chain. In this study, we have implemented a direct install 3-pole type EM...

Journal: :journal of research in medical sciences 0
sayed hamidreza abtahi farzaneh abootalebian mehrdad rogha nezamoddin berjis

background: the surgical management of cholesteatoma is a controversial issue, particularly regarding intact-canal-wall mastoidectomy (icwm) versus canal-wall-down mastoidectomy (cwdm). the current experiment compared the quality of  visualization in different middle ear structures using icwm with otoendoscopy with findings of cwdm by microscopy.materials and methods: the patients diagnosed wit...

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