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Endolymphatic hydrops is a disorder of the inner ear. It consists of an excessive build-up of the endolymph fluid, which fills the hearing and balance structures of the inner ear. Endolymph fluid, which is partly regulated by the endolymph sac, flows through the inner ear and is critical to the function of all sensory cells in the inner ear.
Cochlear hydrops (or cochlear Meniere's or cochlear endolymphatic hydrops) is a condition of the inner ear involving a pathological increase of fluid affecting the cochlea. This results in swelling that can lead to hearing loss or changes in hearing perception. It is a form of endolymphatic hydrops and related to Ménière's disease. Cochlear ...
A condition where the volume of the endolymph is greatly enlarged is called endolymphatic hydrops and has been linked ... Wikipedia® is a registered trademark ...
Objective identification and monitoring of Ménière's disease and endolymphatic hydrops (EH) Intraoperative monitoring of auditory system function during surgery on the brainstem or cerebellum; Enhancement of Wave I of the auditory brainstem response, particularly in patients who are hard of hearing [2] Diagnosis of auditory neuropathy
Hydrops (/ ˈ h aɪ d r ɒ p s / HI-drops), the excessive accumulation of serous fluid in tissues or cavities of the body, corresponding to any of various conditions, depending on characteristics and anatomic site, including: Most generally Edema (hydropsy, dropsy) Anasarca, a severe and widespread form of edema; Ascites, fluid buildup in the ...
Ménière's disease (endolymphatic hydrops) occurs when there is elevated pressure in the endolymph in the cochlea. Its symptoms include fluctuating low-frequency hearing loss, aural fullness, tinnitus, and dizziness lasting for hours
Perilymph and endolymph have unique ionic compositions suited to their functions in regulating electrochemical impulses of hair cells necessary for hearing. The electric potential of endolymph is ~80-90 mV more positive than perilymph due to a higher concentration of potassium cations (K +) in endolymph and higher sodium (Na +) in perilymph. [4]
A loss of CSF pressure can induce Perilymphatic loss or endolymphatic hydrops resembling the clinical presentation of Ménière's disease associated hearing loss in the low frequencies. [36] CSF can accumulate within the ventricles, this condition is called internal hydrocephalus and may result in increased CSF pressure.