نتایج جستجو برای: ossicular

تعداد نتایج: 651  

Journal: :Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology 2005
Robert Vincent Neil M Sperling John Oates Jonathan Osborne

OBJECTIVE To report an original method of ossicular reconstruction with intact stapes and absent malleus. Ossiculoplasty is performed with a total ossicular replacement prosthesis positioned from the stapes footplate to the under-surface of the tympanic membrane, using a Silastic banding technique to stabilize the prosthesis. STUDY DESIGN A prospective study of ossicular reconstruction using ...

2016
George Noussios Pantelis Chouridis Lazaros Kostretzis Konstantinos Natsis

The ossicular chain has been known for 500 years and yet there are a small number of morphometrical studies. We reviewed the whole literature that is available online regarding the human ossicular chain from an anatomist perspective and correlated the data from all the papers that showed any relevance. Inclusion and exclusion criteria were developed a priori. A thorough description of all ossic...

Journal: :Nihon Jibiinkoka Gakkai kaiho 1984
K Kumakawa

The diagnosis of the ossicular condition, fixation or interruption, is often not achieved by the routine tympanometry. A new tympanometric system has been developed in order to improve the diagnostic value. This produces a sweep-frequency probe tone of 200 to 2000Hz and measures the sound pressure difference and the phase difference between the output and the input. An experimental study was pe...

2017
Krishnamurti M A Sarmento André Luiz Lopes Sampaio Tatiana Guthierre Targino Santos Carlos Augusto Costa Pires de Oliveira

Chronic suppurative otitis media, with or without cholesteatoma, may lead to erosion of the ossicles and discontinuity of the ossicular chain. In incomplete ossicular discontinuity (IOD), partial erosion of the ossicles occurs, but some sound transmission is noted throughout the ossicular chain. High-frequency conductive hearing loss (HfCHL) has been considered a hallmark of incomplete ossicula...

Journal: :The Journal of laryngology and otology 2012
M Iseri E Ustundag A Ulubil M Ozturk O Bircan

OBJECTIVE To analyse patients with cholesteatoma undergoing canal wall down mastoidectomy together with ossicular reconstruction with a titanium prosthesis, in order to identify factors associated with hearing outcomes. STUDY DESIGN Retrospective review of 97 cases undergoing single-stage surgical management. METHODS All patients underwent canal wall down mastoidectomy. Kurz titanium ossicu...

Journal: :Nihon Jibiinkoka Gakkai kaiho 1967
Y Koide T Kobayashi T Hoshino Y Ohno F Hishinuma

Ossicular repositioning and ossicular prostheses are said to offer an oppotunity to preserve the air space of the middle ear and improve the transmission of sound to the stape footplate. Depending upon the pathological circumstances, any convenient remaining portion of the auditory ossicles may be used to reconstruct a functioning ossicular chain. But the problem of reconstruction is not simple...

Journal: :The Laryngoscope 2016
Robert Vincent Inge Wegner Laura S M Derks Wilko Grolman

OBJECTIVES/HYPOTHESIS To prospectively evaluate surgical findings and hearing results in children undergoing surgery for congenital malformations of the ossicular chain with a mobile stapes footplate (Teunissen and Cremers class III malformations). STUDY DESIGN A nonrandomized, nonblinded, prospective case series. METHODS Fifteen consecutive pediatric patients who underwent 17 surgical proc...

Journal: :The Laryngoscope 2011
Martin Bremke Karl-Bernd Hüttenbrink Dirk Beutner

This article describes a new surgical method for total ossicular reconstruction in a case of a broken stapes footplate. We developed the technique of the "cartilage shoe sandwich," which consists of two surgical steps. First, the closure of the oval window is achieved by a cartilage shoe without a central perforation. During this surgical intervention, the prearrangement of a secure placement o...

Journal: :Brazilian journal of otorhinolaryngology 2007
Cristina Dornelles Letícia Petersen Schmidt Rosito Luíse Meurer Sady Selaimen da Costa Andréia Argenta Sabrina Lima Alves

UNLABELLED Chronic otitis media is hystopathologycaly defined as the presence of irreversible inflammatory tissue changes in the middle ear. Ossicular lesions represent the most prevalent change. AIM to correlate the degree of ossicular chain changes seen during surgery with the inflammatory histological degree and the thickness of the cholesteatoma perimatrix. STUDY DESIGN Cross-sectional ...

2012
R. ALBERA A. CANALE E. PIUMETTO M. LACILLA F. DAGNA

The aim of the study was to describe ossicle resorption in chronic otitis with cholesteatoma and correlate it with clinical parameters such as age, contralateral ear condition, tympanic membrane aspect, cholesteatoma pathogenesis and extension, associated lesions and hearing threshold. Preoperative clinical data were collected for 140 patients with chronic otitis with cholesteatoma, whose ossic...

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