Vestibular Aqueduct Size Correlates With the Degree of Cochlear Hydrops in Patients With and Without Menière's Disease. 2021

Desiree Grosser, and Kerstin Willenborg, and Paulo Dellani, and Emilio Avallone, and Friedrich Götz, and Dietmar Böthig, and Athanasia Warnecke, and Heinrich Lanfermann, and Thomas Lenarz, and Anja Giesemann
Institute for Diagnostic and Interventional Neuroradiology.

To correlate the CT imaging findings of the visibility and size of the vestibular aqueduct (VA) with the degree of the cochlear hydrops determined in MRI late imaging of the hydrops. Study Design: Retrospective study. Setting: Tertiary referral center. Patients: A total of 127 patients (62 women, 65 men, average age 55.6 yrs): 86 of these were diagnosed with Menière's disease (American Academy of Otolaryngology-Head and Neck Surgery [AAO-HNS] criteria; 67 unilateral, 19 bilateral). Temporal bone CT and hydrops MRI were performed in all patients. Visibility/width of the VA in temporal bone CT and grade of cochlear hydrops evaluated by MRI. The width of the VA is significantly smaller in patients diagnosed with Menière's disease (30% non-visible VA), compared with the patients who did not fulfill the diagnostic criteria of Menière's disease (12% non-visible VA) (double sided Spearman correlation, p < 0.001). In all ears of patients diagnosed with Menière's disease the width of the VA was significantly correlated with the degree of the cochlear hydrops (in cases of non-visible VA 65% [34/52] ears presented with hydrops grade 3 or 4; 13% [7/52] ears presented with hydrops grade 1 or 2 and 21% [11/52] ears showed no hydrops) (Spearman correlation p = 0.001/p < 0.01). This is also true for all ears that can be summarized as hydrophic ear disease (symptomatic ears that present with a hydrops in MRI). The results of our study could confirm the importance of the VA in the pathogenesis of the endolymphatic hydrops in vivo.

UI MeSH Term Description Entries
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D008575 Meniere Disease A disease of the inner ear (LABYRINTH) that is characterized by fluctuating SENSORINEURAL HEARING LOSS; TINNITUS; episodic VERTIGO; and aural fullness. It is the most common form of endolymphatic hydrops. Meniere's Disease,Meniere's Syndrome,Vertigo, Aural,Auditory Vertigo,Aural Vertigo,Ménière Disease,Ménière's Disease,Ménière's Vertigo,Otogenic Vertigo,Auditory Vertigos,Disease, Meniere,Disease, Meniere's,Disease, Ménière,Disease, Ménière's,Diseases, Ménière,Diseases, Ménière's,Meniere Syndrome,Menieres Disease,Menieres Syndrome,Ménière Diseases,Ménière Vertigo,Ménière's Diseases,Ménière's Vertigos,Ménières Disease,Ménières Vertigo,Otogenic Vertigos,Syndrome, Meniere's,Vertigo, Auditory,Vertigo, Ménière's,Vertigo, Otogenic,Vertigos, Auditory,Vertigos, Ménière's,Vertigos, Otogenic
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D004487 Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. Dropsy,Hydrops,Anasarca
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D014723 Vestibular Aqueduct A small bony canal linking the vestibule of the inner ear to the posterior part of the internal surface of the petrous TEMPORAL BONE. It transmits the endolymphatic duct and two small blood vessels. Aqueduct of Vestibule,Aqueduct, Vestibular,Aqueducts, Vestibular,Vestibular Aqueducts,Vestibule Aqueduct,Vestibule Aqueducts
D018159 Endolymphatic Hydrops An accumulation of ENDOLYMPH in the inner ear (LABYRINTH) leading to buildup of pressure and distortion of intralabyrinthine structures, such as COCHLEA and SEMICIRCULAR CANALS. It is characterized by SENSORINEURAL HEARING LOSS; TINNITUS; and sometimes VERTIGO. Hydrops, Endolymphatic

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