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Improvement of vertigo symptoms and acoustic power absorbance in cases with endolymphatic hydrops

Kobayashi, Masumi ; Yoshida, Tadao ; Fukunaga, Yukari ; Hara, Daisuke ; Sugimoto, Satofumi ; Naganawa, Shinji ; Sone, Michihiko

Laryngoscope Investigative Otolaryngology, 2024-02, Vol.9 (1), p.e1210-n/a [Revista revisada por pares]

Hoboken, USA: John Wiley & Sons, Inc

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  • Título:
    Improvement of vertigo symptoms and acoustic power absorbance in cases with endolymphatic hydrops
  • Autor: Kobayashi, Masumi ; Yoshida, Tadao ; Fukunaga, Yukari ; Hara, Daisuke ; Sugimoto, Satofumi ; Naganawa, Shinji ; Sone, Michihiko
  • Materias: acoustic power absorbance ; Acoustics ; Care and treatment ; Comparative analysis ; Dropsy ; Eardrum ; Ears & hearing ; Edema ; endolymphatic hydrops ; Magnetic resonance imaging ; Medical colleges ; Medical imaging equipment ; Meniere disease ; Meniere's disease ; middle ear pressure therapy ; Original Research ; Patients ; Physiological aspects ; Vertigo ; wideband acoustic immittance
  • Es parte de: Laryngoscope Investigative Otolaryngology, 2024-02, Vol.9 (1), p.e1210-n/a
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descripción: Objective The pathophysiology and symptoms underlying Meniere's disease (MD) manifest as endolymphatic hydrops (EH), potentially impacting acoustic power absorbance in vestibular EH. The longitudinal effects of middle ear pressure therapy (MEPT) and conservative therapies for EH by magnetic resonance imaging (MRI) and on acoustic power absorbance on wideband acoustic immittance (WAI) were evaluated, and their changes were compared with clinical symptoms. Methods Eleven patients with definite MD or delayed endolymphatic hydrops (DEH), resistant to conservative therapies and who continued MEPT for 1 year, were included. Vertigo scores, hearing levels, acoustic power absorbance on WAI, and degrees of EH on 3‐T MRI were evaluated and compared before and after the treatments. Results One year after the start of MEPT, all cases showed symptomatic improvement in vertigo score; however, the degrees of EH showed no improvements except in one case. In the affected ears with EH, their absorbances on WAI improved, particularly at 1580–1905 or 2400–2953 Hz (p < .05). Conclusion Alleviation of vestibular symptoms with the therapy of MD was not necessarily associated with improved EH. Vestibular symptoms could be related to the change in the impedance of inner ear pressure, which was proven by the normalization of acoustic power absorbance. Assessments of acoustic power absorbance may provide useful information for physiological conditions and causative factors of vertigo in ears with EH. Level of evidence 4 Evaluation of the longitudinal effects of middle ear pressure therapy (MEPT) for endolymphatic hydrops (EH) showed that MEPT improved vestibular symptoms but not necessarily the degree of EH. However, acoustic power absorbance improved in the affected ear with EH, providing useful information for evaluation.
  • Editor: Hoboken, USA: John Wiley & Sons, Inc
  • Idioma: Inglés
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