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Results for “LABYRINTH DISEASES”

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At least 451 records · Page 25Linked to original sources
PubMedDate not supplied

PRESENT DAY OTOLOGY.

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Brain Diseases↗
PubMed1980

Inner ear disease characterized by rolling in C3H mice.

A neurologic disease characterized by rolling developed in C3H mice. Pseudomonas aeruginosa was isolated from the middle and internal ears or meninges of affected mice. The principal pathologic finding was aggressive, primary, purulent otitis media, with extension to the inner ear, acoustic nerve, and meninges. Stresses that may have contributed to induction of the disease were not delineated; however, acidification of the drinking water resulted in near elimination of the disease.

Animals↗
PubMed1986

Cogan's syndrome: 18 cases and a review of the literature.

In this article, we review 78 cases of Cogan's syndrome--18 from our institution and 60 from the English medical literature--and describe the clinical, laboratory, radiographic, and pathologic findings associated with this disorder. Patients with Cogan's syndrome should be examined by an ophthalmologist, otolaryngologist, and internist because, in addition to the eye and audiovestibular involvement, systemic manifestations are common. An elevated erythrocyte sedimentation rate, anemia, leukocytosis, and thrombocytosis are common but nonspecific laboratory abnormalities. Serious outcomes include deafness and, less frequently, vasculitis, aortic insufficiency, blindness, and death. Glucocorticoids seem to be effective therapy for active Cogan's syndrome. Aortic valve replacement and vascular bypass grafting are indicated in selected cases. The roles of cytotoxic-immunosuppressive agents and cochlear implantation remain to be clarified.

Adolescent↗
PubMed1989

Invasion of the inner ear by Haemophilus influenzae type b in experimental meningitis.

Bacterial interstrain variation for cochlear invasion was studied by intraperitoneal inoculation of infant rats with Haemophilus influenzae type b. Eight pairs of CSF isolates from children with or without deafness due to meningitis were injected into half of each litter in separate experiments. At 48 h, quantitative CSF culture results and CSF white blood cell counts were equivalent for the two groups. Organisms within the cochlea were detected in four of eight animals in each group. There was no difference between the deaf and nondeaf isolates in the degree or frequency of inner ear inflammation in formalin-fixed sections. In separate experiments, animals were inoculated with H. influenzae type b and 24 h later treated with ampicillin, or ampicillin plus dexamethasone. At 48 h, although CSF white blood cell counts were significantly reduced in the steroid group, no difference was noted in the degree of cochlear inflammation between the two groups. The ability of H. influenzae type b to invade the inner ear of infant rats does not correlate with the development of sensorineural deafness in children following H. influenzae type b meningitis. Steroid administration does not appear to diminish the inflammatory reaction within the cochlea more than antibiotics alone in this model, but may delay CSF sterilization by ampicillin.

Ampicillin↗
PubMedDate not supplied

AUDITORY ADAPTATION.

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Audiometry↗