نتایج جستجو برای: middle ear exploration

تعداد نتایج: 268794  

Journal: :The Journal of laryngology and otology. Supplement 1982
C Betow

Since I introduced the homograft transplantation en bloc in 1959, more than 2,400 patients with chronic middle-ear inflammation and the conditions resulting from an old radical operation have been operated upon. Different kinds of chemical solution for the conservation of the homograft have been used, and experience has shown that the best solution is a combination of Cialit 1:5,000 and formald...

2014
Joo Hyun Jung Ju Young Paik Seon Tae Kim Heung Eog Cha

During the placement of a mould for a hearing aid by a hearing aid dispenser, moulding MATERIALS entered the middle ear through preexisting perforations in the tympanic membrane. Middle ear foreign bodies are common otorhinolaryngological emergencies and must be removed to avoid complications. Surgical removal of the moulding MATERIALS by tympanotomy was necessary. Here, we report a case of a m...

2012
Tshegofatso Thejane Tshilidzi Marwala Fulufhelo V. Nelwamondo

An analog network model of the human middle ear is used to study the effect of terminal loads on the middle ear frequency response. A new transformer ratio value is computed and used to improve the model of the middle ear through the use of an ideal transformer. The terminal loads are taken as the loads on either side of the middle ear. The forward and reverse frequency characteristics of the m...

2014
Abhinav Srivastava Chander Mohan

Eustachian tube maintains middle ear pressure equal to that of atmospheric pressure and its functions is deranged due to various nasal, nasopharyngeal and palatal causes. Nasal polypi cause post nasal drip which is considered to cause Eustachian tube dysfunction. The present cross sectional study comprises of a total of 39 patients of Antrochoanal polyp with the aim to see the effect of antroch...

2016
Ceethu B Raj

Background: Exploratorytympanotomy is done to identify the cause ofconductivehearingloss in a patient withintacttympanic membrane. Objective: Toenlist and analyze the middle ear pathologies in patients with conductive hearing loss with intact tympanic membrane. Methods: 50 patients in age group between 20 years and 50 years, with hard of hearing, consulting department of ENT at a tertiary care ...

2014
Xiao-Ming Sun

The conductive mechanism plays an important role in our hearing: the first stage of signal processing in the auditory system. While it consists of the ear canal, the crucial portion is the middle ear system, which transforms airborne sound into mechanical vibration and helps improve sound transmission into the fluid-filled inner ear. Hearing loss due to dysfunction of the middle ear system may ...

Journal: :Practica Oto-Rhino-Laryngologica 1994

2014
Hyong Joo Park Tae Ho Eom Yong Beom Cho Chul Ho Jang

Osteoma of the temporal bone most commonly occurs in the external ear. Osteomas in the middle ear are not common, and only 25 relevant cases (18 papers) have been reported in the English literature. With only 5 cases reported to date, osteoma of the promontory in the middle ear is rare. This study reports a case of asymptomatic osteoma of the promontory in the middle ear mimicking a congenital ...

Journal: :Antimicrobial agents and chemotherapy 2000
S I Pelton M Figueira R Albut D Stalker

Therapy for otitis media (OM) due to resistant Streptococcus pneumoniae (MIC of penicillin, >/=2.0 microgram/ml) is challenging. Linezolid, an oxazolidinone, represent a new class of antimicrobial agents with excellent in vitro activity against penicillin-resistant S. pneumoniae; however, in vitro activity against nontypeable Haemophilus influenzae (NTHI) is limited. We evaluated its efficacy a...

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