نتایج جستجو برای: tympanic
تعداد نتایج: 3289 فیلتر نتایج به سال:
Introduction: Tympanoplasty is the standard and well established procedure for closure of tympanic membrane perforations .This paper compares the results of tympanoplasty in terms of hearing improvement and graft incorporation in patients with chronic perforation of the tympanic membrane between two groups with and without active drainage at the time of surgery. Materials and Methods: Sixty re...
Background: With respect to physical relations in force and pressure, we hypothesized that the prevalence of traumatic tympanic membrane perforation in patients with a patulous Eustachian tube is greater than normal, because in Eustachian tube patency, the internal air pressure of the middle ear will not increase after compression, subsequent to trauma. Therefore the force upon the tympanic...
background and purpose: to investigate how much the method of observation agrees with a standardised review of evidence of clinical examination, for the assessment of clinical otoscopic competence. methods: 65 medical students took part in an objective structured clinical examination (osce) station using patients with real pathology. examiners assessed otoscopic competency in tympanic membrane ...
Tympanic membrane perforationsoccur frequently in children, and can result in hearing loss, otorrhea, pain, and cholesteatoma. Due to the narrower ear canal in children, a postauricular incision is often needed to access the tympanic membrane for surgical repair. Endoscopic approaches are increasingly being used for tympanic membrane repair, reducing the need for postauricular incisions. As the...
The aim of our study is to demonstrate the surgical management of myringosclerosis over a perforated whole tympanic membrane using simple underlay myringoplasty. Simple underlay myringoplasty with fibrin glue was performed in 11 ears with myringosclerosis over the entire tympanic membrane. The patients were one male and ten females and their mean age was 61.8 years (range, 40-73 yr). Surgical s...
UNLABELLED Response inversion during warm air stimulation is the most controversial finding seen in caloric tests of individuals with tympanic membrane perforation. In such cases, very few studies explore the possible interferences found in the caloric test, bringing about controversies in the interpretation of test results. AIM This paper aimed at analyzing warm air stimulation effects in in...
The current study presents volumetric reconstruction of the tympanic cavity obtained from micro-CT scans which pixel size was 18 μm. Thanks to this, osseous components of the tympanic cavity were shown in high optical resolution, causing that their morphological appearance was clearly demonstrated. Particular attention was paid on imaging the medial wall of the tympanic cavity, because its stru...
The effect of chronic middle ear inflammation on the development of mastoid air cell system was investigated in piglings, whose tympanic bullae closely resemble the human mastoid air cell system. Experimental chronic otitis media was produced by the injection of glycerin into the middle ear cleft of piglings aged from 5 days to 5 weeks after birth. The piglings were subsequently decapitated and...
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