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  • Title: Assessing the usefulness of inner ear contrast-enhanced magnetic resonance imaging and pure-tone audiometry in estimating the prognostic value of hearing improvement in patients with definite Meniere's disease.
    Author: Koda K, Yasuhara K, Sugasawa S, Nagano G, Katoh M, Kakigi A.
    Journal: Eur Arch Otorhinolaryngol; 2023 Apr; 280(4):2051-2055. PubMed ID: 36495326.
    Abstract:
    PURPOSE: Meniere's disease (MD) is characterized by combined cochlear and vestibular symptoms. However, its underlying cause remains unclear, with low-to-mid-tone hearing impairment being predominantly reported. Moreover, predicting hearing improvement after disease onset is not possible. This study aimed to assess whether hearing improvement in patients with definite MD (DMD) could be predicted using inner ear contrast magnetic resonance imaging (IEC-MRI) and pure-tone audiometry (PTA) at disease attack. MATERIALS AND METHODS: Between April 2020 and March 2022, seven outpatients with DMD were enrolled based on the Bárány Society DMD criteria. The patients were divided into two groups: low-tone hearing loss (LTL) group and low-to-mid-tone hearing loss (LMTL) group. Hearing improvement rates as well as the possible inter-relation between endolymphatic hydrops and hearing improvement were evaluated. RESULTS: Endolymphatic hydrops was found in two of four LTL cases. One of three LMTL cases had prominent lymphedema. All patients with LTL but only one patient with LMTL had hearing improvement. Endolymphatic hydrops was not found to be correlated with hearing improvement. CONCLUSIONS: Estimating hearing improvement in patients with DMD using IEC-MRI was not possible. However, PTA showed better hearing prognosis in LTL than in LMTL. Therefore, estimating hearing improvement using PTA was possible at disease attack.
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