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

被引:0
作者
Kobayashi, Masumi [1 ,4 ]
Yoshida, Tadao [1 ]
Fukunaga, Yukari [2 ]
Hara, Daisuke [2 ]
Sugimoto, Satofumi [1 ]
Naganawa, Shinji [3 ]
Sone, Michihiko [1 ]
机构
[1] Nagoya Univ, Grad Sch Med, Dept Otorhinolaryngol, Nagoya, Japan
[2] Nagoya Univ, Grad Sch Med, Dept Rehabil, Nagoya, Japan
[3] Nagoya Univ, Grad Sch Med, Dept Radiol, Nagoya, Japan
[4] Nagoya Univ, Grad Sch Med, Dept Otorhinolaryngol, 65 Tsurumai Cho,Showa Ku, Nagoya 4668550, Japan
来源
LARYNGOSCOPE INVESTIGATIVE OTOLARYNGOLOGY | 2024年 / 9卷 / 01期
关键词
acoustic power absorbance; endolymphatic hydrops; middle ear pressure therapy; wideband acoustic immittance; MENIERES-DISEASE; VISUALIZATION; TYMPANOMETRY;
D O I
10.1002/lio2.1210
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
ObjectiveThe 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.MethodsEleven 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.ResultsOne 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).ConclusionAlleviation 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 evidence4
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页数:6
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