otitis media/oedeem

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Endolymphatic hydrops and otitis media.

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Clinical observation of patients with fluctuant sensorineural hearing loss following or occurring with chronic otitis media led to the hypothesis that endolymphatic hydrops can result from chronic otitis media. Illustrative case reports are described. This hypothesis resulted in a temporal bone

Characteristics of laryngopharyngeal reflux in patients with chronic otitis media.

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OBJECTIVE To summarize the characteristics of laryngopharyngeal reflux (LPR) in patients with chronic otitis media. METHODS This was a prospective study in which 31 patients with chronic otitis media were enrolled. General patient information, reflux symptom index (RSI), reflux finding scores

Evaluation of middle ear pressure in the early period after adenoidectomy in children with adenoid hypertrophy without otitis media with effusion.

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OBJECTIVE Our aim was to analyze the changes in middle ear pressure in the early period after adenoidectomy in children with adenoid hypertrophy without otitis media with effusion. METHODS This prospective, descriptive study was performed on 64 patients (with normal tympanic membranes and

A high jugular bulb and poor development of perivestibular aqueductal air cells are not the cause of endolymphatic hydrops in patients with Ménière's disease.

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OBJECTIVE The presence of endolymphatic hydrops in the inner ear, which can be detected with gadolinium-enhanced magnetic resonance imaging (Gd-MRI), is widely recognized as the main pathological cause of Ménière's disease (MD). However, the precise mechanisms underlying the development of

Experimental pneumococcal otitis media: a histopathologic study.

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An animal model for pneumococcal otitis media was studied histologically at varying intervals postinoculation. Histologic changes generally associated with acute inflammation (edema, diffuse infiltration with polymorphonuclear leukocytes, and hemorrhage) occurred early in the disease while the ears

Myringotomy delays the tympanic membrane recovery in acute otitis media: a study in the rat model.

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OBJECTIVE Acute otitis media is a major cause of visits to pediatric health care providers. Myringotomy in uncomplicated acute otitis media is debatable today. The study addressed this problem through the otomicroscopic and histopathological observations of the events occurring in the tympanic

Structural tympanic membrane changes in secretory otitis media and cholesteatoma.

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BACKGROUND Otitis media may predispose for retraction pathologic abnormality later in life. A weakening of the collagen fiber bundles in the lamina propria of the tympanic membrane (TM) is a prerequisite for the formation of a retraction pocket. Various collagen types have different tensile

Comparison of immune-mediated models of acute and chronic otitis media.

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The distribution of immunoglobulin-bearing cells and the pattern of histopathological changes in the middle ear (ME) mucosa, round window membrane (RWM), and inner ear were compared during acute and chronic immune-mediated otitis media with effusion (OME) in the guinea pig as an animal model. In

Otitis media with effusion following inoculation of Haemophilus influenzae type b endotoxin.

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Lipopolysaccharide endotoxin (LPS) was extracted from Haemophilus influenzae type b by using Westphal's phenol water method. The ears of 40 adult male guinea pigs were subsequently inoculated with 10 micrograms/ml solutions of LPS by transmeatal injections. Groups of animals were then sacrificed

Cause of eustachian tube constriction during swallowing in patients with otitis media with effusion.

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In order to clarify the cause of the constriction of the eustachian tube during swallowing that is often seen in patients with otitis media with effusion, video endoscopy of the pharyngeal orifice of the eustachian tube was performed and superimposed with videograms of the tubal airflow and

Chorda tympani nerve analysis with electron microscopy in chronic suppurative otitis media.

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CONCLUSIONS Chronic suppurative otitis media causes some disturbance to the chorda tympani nerve (CTN), which may affect the facial nerve. It is not possible to perform a biopsy of the main truncus of the facial nerve, therefore studies of the CTN might show possible pathologic or physiologic

[The morphology of regional lymphatic nodes in lymphotropic therapy of acute otitis media].

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Lymphotropic therapy (LT) was given to rabbits with experimental acute otitis media. The response was good. Reduced vascular blood filling, edema tissue detritus, fibrin, more compact location of lymphocytes in the lymph node cortex reflected normalization of the lymph node structure and improvement

Pneumococcal otitis media following middle ear deflation.

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Temporal bone histology has been studied in chinchillas following middle ear deflation in the presence of nasopharyngeal colonization with S pneumoniae. All animals sacrificed within one hour following deflation had similar middle ear histology regardless of whether or not the animals had been

Polyp pathogenesis--a histopathological study in experimental otitis media.

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We examined the mucosa of 50 rat middle ears in an experimental model of acute otitis media, in order to obtain information on the mechanisms of polyp formation. The right middle ear of 25 rats was inoculated with type 3 pneumococci, and the left ear served as a control. The animals were killed, the

Is It Necessary to Treat Otitis Media With Effusion (OME) Prior to Cochlear Implantation? Results Over a Long-term Follow-up.

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Evaluate the intra- and postoperative effects of untreated otitis media with effusion (OME) in cochlear implant (CI) patients, and to assess the role of ventilation tube (VT) introduction before implantation. A retrospective chart review. Tertiary referral center. CI patients, aged 10 years or

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