Cytomegalovirus DNA retrieval in the inner ear fluids of a congenitally deaf child one month after primary infection: A Case Report

2011 ◽  
Vol 121 (4) ◽  
pp. 828-830 ◽  
Author(s):  
Walter Di Nardo ◽  
Paola Cattani ◽  
Alessandro Scorpecci ◽  
Sara Giannantonio ◽  
Sara D'Onghia ◽  
...  
Keyword(s):  
Case Report ◽  
Inner Ear ◽  
Primary Infection ◽  
Deaf Child ◽  
Inner Ear Fluids

X-ray microanalysis of inner ear fluids in the embryonic and newborn guinea pig

1982 ◽  
Vol 234 (2) ◽  
pp. 125-130 ◽  
Author(s):  
Matti Anniko ◽  
Aron Sobin ◽  
Romuald Wr�blewski
Keyword(s):  
Guinea Pig ◽  
Inner Ear ◽  
X Ray ◽  
Inner Ear Fluids

Na and nonelectrolyte entry into inner ear fluids of the rat

1987 ◽  
Vol 253 (1) ◽  
pp. F50-F58 ◽  
Author(s):  
O. Sterkers ◽  
E. Ferrary ◽  
G. Saumon ◽  
C. Amiel
Keyword(s):  
Cerebrospinal Fluid ◽  
Inner Ear ◽  
Lateral Ventricle ◽  
Endothelial Barrier ◽  
Scala Tympani ◽  
Epithelial Secretion ◽  
Kinetics Of ◽  
Hydrophilic Solutes ◽  
Inner Ear Fluids ◽  
Scala Vestibuli

Kinetics of hydrophilic solute entry into endolymph (EL), perilymph (PL), and cerebrospinal fluid (CSF) were studied after intravenous administration (sodium, urea, glycerol, mannitol, sucrose) and cerebral lateral ventricle injection (urea, sucrose) of tracers in anesthetized rats. Samples of cochlear EL, PL of scala vestibuli (PLV), PL of scala tympani (PLT), and cisternal CSF were obtained. The data showed slow entry of tracers in PLV, PLT, and CSF as follows: Na greater than urea greater than mannitol approximately sucrose; slower entry of mannitol and sucrose in PLT and CSF than in PLV; 1 h delayed peak of radioactivity in PLV compared with the immediate peaks in PLT and CSF after CSF injection, and the value of PLV peak was 13% that in CSF; extremely slow entry of nonelectrolytes in EL. These results indicate that PLV originates mainly from plasma across a blood-perilymph barrier that restricts the entry of small hydrophilic solutes. The blood-perilymph barrier is most likely composed of an endothelial barrier associated with an epithelial secretion. The latter could be located at the vasculo-epithelial zone of the spiral limbus.

Prenatal maturation of endocochlear potential and electrolyte composition of inner ear fluids in guinea pigs

1983 ◽  
Vol 237 (2) ◽  
pp. 147-152 ◽  
Author(s):  
Yehoash Raphael ◽  
Masaki Ohmura ◽  
Naoyuki Kanoh ◽  
Nobuya Yagi ◽  
Kazuo Makimoto
Keyword(s):  
Inner Ear ◽  
Guinea Pigs ◽  
Endocochlear Potential ◽  
Electrolyte Composition ◽  
Inner Ear Fluids

Aseptic meningitis caused by the Varicella-zoster virus after primary infection in an immunocompetent child: a case report

2018 ◽  
Vol 76 (2) ◽  
pp. 234-236
Author(s):  
Claudie Lamoureux ◽  
Charlotte Flatrès ◽  
Sophie Vallet ◽  
Adissa Tran - Minoui ◽  
Christopher Payan ◽  
...  
Keyword(s):  
Case Report ◽  
Varicella Zoster Virus ◽  
Aseptic Meningitis ◽  
Primary Infection ◽  
Varicella Zoster ◽  
Immunocompetent Child

Vasopressin entry into the inner ear fluids of the rat

1987 ◽  
Vol 29 (2-3) ◽  
pp. 245-250 ◽  
Author(s):  
István Sziklai ◽  
Evelyne Ferrary ◽  
Olivier Sterkers ◽  
Claude Amiel
Keyword(s):  
Inner Ear ◽  
Inner Ear Fluids

IV. Influence of Vestibular Stimulation

1980 ◽  
Vol 89 (6_suppl3) ◽  
pp. 25-28 ◽  
Author(s):  
Pamela S. Huber ◽  
Irwin A. Ginsberg ◽  
Michael D. Rudnick
Keyword(s):  
Cell Membrane ◽  
Hair Cell ◽  
Inner Ear ◽  
Membrane Permeability ◽  
Cell Damage ◽  
Dosage Level ◽  
Vestibular Stimulation ◽  
Cell Membrane Permeability ◽  
The Impact ◽  
Inner Ear Fluids

Guinea pigs were given transtympanic dosages of neomycin followed by three hours of either vestibular stimulation or immobilization to test the hypothesis that inner ear hair cell membrane permeability is increased for drugs as a consequence of the transduction process. It was found, however, that neither the topographic pattern nor the degree of hair cell damage differed between the two groups. It is concluded that if the transduction process is accompanied by cell membrane permeability changes, the effect is not an increased susceptibility to neomycin toxicity. A measurable effect of stimulation was the significant decrease in the standard deviation of the mean dosage-damage response at each dosage level. This increase in reliability probably resulted from mixing of the inner ear fluids (especially in the vestibular compartment) which encouraged consistent dosages to the hair cells with each repeated trial. Finally, the impact of these findings on hypotheses related to the mechanism of selective ototoxicity is discussed briefly.

scholarly journals Inner Ear Conductive Hearing Loss and Unilateral Pulsatile Tinnitus Associated with a Dural Arteriovenous Fistula: Case Based Review and Analysis of Relationship between Intracranial Vascular Abnormalities and Inner Ear Fluids

2015 ◽  
Vol 2015 ◽  
pp. 1-6
Author(s):  
Ettore Cassandro ◽  
Claudia Cassandro ◽  
Giuliano Sequino ◽  
Alfonso Scarpa ◽  
Claudio Petrolo ◽  
...  
Keyword(s):  
Hearing Loss ◽  
Arteriovenous Fistula ◽  
Inner Ear ◽  
Dural Arteriovenous Fistula ◽  
Conductive Hearing Loss ◽  
Pulsatile Tinnitus ◽  
Vascular Abnormalities ◽  
First Case ◽  
Conductive Hearing ◽  
Inner Ear Fluids

While pulsatile tinnitus (PT) and dural arteriovenous fistula (DAVF) are not rarely associated, the finding of a conductive hearing loss (CHL) in this clinical picture is unusual. Starting from a case of CHL and PT, diagnosed to be due to a DAVF, we analyzed relationship between intracranial vascular abnormalities and inner ear fluids. DAVF was treated with endovascular embolization. Following this, there was a dramatic recovery of PT and of CHL, confirming their cause-effect link with DAVF. We critically evaluated the papers reporting this association. This is the first case of CHL associated with PT and DAVF. We describe the most significant experiences and theories reported in literature, with a personal analysis about the possible relationship between vascular intracranial system and labyrinthine fluids. In conclusion, we believe that this association may be a challenge for otolaryngologists. So we suggest to consider the possibility of a DAVF or other AVMs when PT is associated with CHL, without alterations of tympanic membrane and middle ear tests.

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