نتایج جستجو برای: ossicular fixation
تعداد نتایج: 53070 فیلتر نتایج به سال:
Introduction: Cholesteatoma is traditionally diagnosed by otoscopic examination and treated by surgery. The necessity for imaging in an uncomplicated case is controversial. This study was planned to investigate the usefulness of a preoperative high-resolution computed tomography (HRCT) scan in depicting the status of middle ear structures in the presence of cholesteatoma and also to compare the...
Ear is the most pressure sensitive organ of the body and is susceptible for rupture with altered pressure. Tympanic membrane (TM) perforation reduces the total ratio of surface area, allowing the sound waves to directly pass through the middle ear. However, implications of the tympanic membrane perforation on sound transmission in the middle ear is not well characterised. The study was undertak...
Progeria is a rare syndrome, with an estimated incidence of 1 per 250,000 births. Although children with progeria have the appearance of premature aging or senility, the term is misleading because reported cases of progeria have not manifested most physical or biochemical aspects of old age. Many children with progeria appear normal at birth and then progressively, and rather rapidly, develop t...
BACKGROUND Since the introduction of bone-anchored hearing aids (BAHAs) in the 1980s, the practices of surgeons who implant these hearing aids have become varied; different indications and surgical techniques are utilized depending on the surgeon and institution. The objective of the current study is to describe the clinical and surgical practices of otolaryngologists in Canada who perform pedi...
OBJECTIVES/HYPOTHESIS From an acoustic aspect, fixation of the medial end of an ossicular replacement prosthesis to the stapedial footplate would be desirable. Technically, ionomer cement seems an ideal material for this purpose. The objective was to determine the aluminum level of the perilymph after the application of ionomer cement on the stapedial footplate. STUDY DESIGN An experimental s...
OBJECTIVES/HYPOTHESIS Throughout the latter portion of the 19th and early 20th centuries, pneumomassage devices were widely used by otologists to treat a variety of ear diseases. The so-called eardrum massagers produced a regular, repetitive, oscillatory movement through modifying the air pressure in the ear canal. The goal of this study was to trace the invention, clinical use, technological d...
At the Sint Augustinus Hospital, Antwerp, Belgium, all children with cholesteatoma are operated by a canal wall up approach and immediate reconstruction with a rympano-osslcular allograft. In the majority of the cases, a second stage is performed after I year. This paper presents the results ofa retrospective review ofthe charts of 103 consecutive children treated between 7979 and 1995. The mea...
Objective. Evaluate a porous polyethylene prosthesis with two-point stabilization in total ossiculoplasty. This approach utilizes a lateral as well as a medial graft to stabilize a total ossicular prosthesis (TOP). Study Design. Retrospective cohort review of total ossiculoplasty. Methods. All patients who underwent total ossiculoplasty during the years 2004-2007 were included in the study grou...
OBJECTIVES/HYPOTHESIS To prospectively evaluate hearing outcomes in children with otosclerosis undergoing primary stapes surgery. STUDY DESIGN A nonrandomized, nonblinded, prospective case series. METHODS Thirty-four consecutive pediatric patients who underwent 41 primary stapedotomies for otosclerosis in a tertiary referral center were included. Patients were included when there was eviden...
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