Results 211 to 220 of about 5,907 (233)
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Endolymphatic hydrops precipitated by haemodialysis
The Journal of Laryngology & Otology, 1990AbstractWe report a case of endolymphatic hydrops preceded by haemodialysis in the contralateral ear of a patient with known Menière's disease, and discuss the possible mechanism. It is suggested that the sudden decrease of plasma osmolality during haemodialysis acts as a reverse glycerol test.
D A, Moffat +2 more
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Endolymphatic Pressure in Experimental Hydrops
Archives of Otolaryngology - Head and Neck Surgery, 1987Perilymphatic and endolymphatic pressures were consecutively measured by means of a servomechanical nulling pressure system through the round window and basilar membrane one to 2.5 months after obliteration of the left endolymphatic sac and duct in seven guinea pigs.
S, Ito, U, Fisch, N, Dillier, A, Pollak
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Diagnostic Testing For Endolymphatic Hydrops
Otolaryngologic Clinics of North America, 1997The development of a sensitive and specific diagnostic test for endolymphatic hydrops has eluded investigators for over 30 years. The absence of such a test has hampered basic and clinical research into Meniere's disease and related entities. Presently used tests are limited in their applicability because of their low sensitivity and specificity and a ...
H A, Arts, P R, Kileny, S A, Telian
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Electrocochleography in Experimental Endolymphatic Hydrops
Acta Oto-Laryngologica, 1994This study investigated whether dominant negative summating potential (DNSP) is absent at all stages of induced hydrops development, including the early stages of hydrops formations. Electrocochleography (ECoG) was done 3 days to 20 weeks after obliteration of the endolymphatic sac in guinea pigs, by electrodes attached to the cochlear bony wall on the
K, Uchida, M, Kitahara, Y, Yazawa
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A Case Of Delayed Endolymphatic Hydrops
Auris Nasus Larynx, 1992A 30-year-old male with delayed endolymphatic hydrops was given a sac operation. An intradural portion of the endolymphatic sac was resected and the epithelial surface was examined under a scanning electron microscope. The epithelium showed fibrous degeneration and disappearance of the epithelial cells. Pathogenesis of degeneration of the endolymphatic
H, Kumagami, T, Sasano
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Animal models of endolymphatic hydrops
American Journal of Otolaryngology, 1982Endolymphatic hydrops in the animal can be produced by various methods. The most promising is obliteration of the endolymphatic duct in the guinea pig. The extent of hydrops is similar to that of Ménière's disease specimens, but the animals are asymptomatic.
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Effect of acute endolymphatic hydrops overload on the endolymphatic sac
Acta Oto-Laryngologica, 2008Homeostasis of endolymph volume is a complex mechanism, in which the endolymphatic sac (ES) may play an important role.To elucidate the effect of acute endolymphatic hydrops (EH) on the ES and to gain further information about the volume and pressure regulative function of the ES.Distilled water was injected into the middle ear cavity of adult CBA/J ...
Nana, Akagi +2 more
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Endolymphatic Hydrops: Can it Be Controlled?
Annals of Otology, Rhinology & Laryngology, 1986While endolymphatic shunt procedures are conceptually logical, there are characteristics of underlying pathological conditions and host response that severely limit the probabilities of achieving functional shunts.
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Pars Superioris in Endolymphatic Hydrops
Archives of Otolaryngology - Head and Neck Surgery, 1984A volumetric study was made of the endolymphatic compartments of the pars superioris (utricle and semicircular canals). Selected for this comparative study were 15 ears from subjects with unilateral endolymphatic hydrops, 15 contralateral ears, and 15 normal ears. There was an increase in the total volume as well as in the utricular volume.
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