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  • Title: The Correlation Between Endolymphatic Hydrops and blood-labyrinth barrier Permeability of Meniere Disease.
    Author: Zhang W, Xie J, Hui L, Li S, Zhang B.
    Journal: Ann Otol Rhinol Laryngol; 2021 Jun; 130(6):578-584. PubMed ID: 33047609.
    Abstract:
    OBJECTIVES: This study was designed to assess the correlation between the grades of endolymphatic hydrops and the blood-labyrinth barrier permeability in the affected ear in Meniere's disease, following the administration of intravenous gadolinium contrast. STUDY DESIGN: Prospective study. METHODS: The quantitative values of endolymphatic hydrops were determined after intravenous injection of a double-dose of gadobutrol in 39 patients with unilateral definite Meniere's disease. Additionally, the signal intensity ratio of bilateral cochlear basal turns was evaluated and analyzed; The correlation between the grades of the endolymphatic hydrops and the signal intensity ratio of the cochlear basal turns in the affected ear was examined. RESULTS: The grades of the endolymphatic hydrops can be quantitatively evaluated using magnetic resonance imaging (MRI). The signal intensity ratio of the cochlear basal turns in the affected ear was significantly higher than in the unaffected ear (P = .001); there was a positive correlation between the signal intensity ratio of the cochlear basal turn and the grades of cochlear (r = 0.634, P = 0.000) and vestibular(r = 0.559, P = .000) hydrops in the affected ear. CONCLUSIONS: The increased permeability of the blood-labyrinth barrier may play a role in the process of endolymphatic hydrops in Meniere's disease.
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