Analysis of wideband tympanometry in Ménière’s disease

Tanno, Gisela Andrea Yamashita; Santos, Mônica Alcântara de Oliveira; Sanches, Marcelo Tabosa Dutra; Durante, Alessandra Spada; Almeida, Kátia de; Gameiro, Marcella; Roque, Nayara Michelle Costa de Freitas; Neto, Osmar Mesquita de Sousa

doi:10.1016/j.bjorl.2020.05.029

Cited by 4 publications

(3 citation statements)

References 14 publications

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“…Since this study was a retrospective case-control study, its diagnostic criteria also changed over time, but there were no differences in mean absorbance measurements between all MD patients and the subgroup of patients who met the new criteria for MD. A cross-sectional study by Tanno et al found significant differences in absorbance in the low-frequency region between symptomatic and asymptomatic patients with MD compared to normal individuals (28). WBT can be used to complement the diagnostic criteria for MD, which meets both the criteria of the previous and the new criteria for MD (4).…”

Section: Absorbancementioning

confidence: 99%

“…WBT can be used to complement the diagnostic criteria for MD, which meets both the criteria of the previous and the new criteria for MD (4). In addition, WBT allows differentiating between asymptomatic and symptomatic MD patients (28).…”

Section: Absorbancementioning

confidence: 99%

“…WBT is a more comprehensive and relatively new indicator that may provide valuable information for patients than traditional tympanometry or MFT. It has the advantages of being objective, practical, minimally invasive, and rapid (28). However, WBT has been used mainly for research purposes, and its clinical application is still not widespread (4).…”

Section: Limitations Of the Current Study And Prospectsmentioning

confidence: 99%

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The Role of Wideband Tympanometry in the Diagnosis of Meniere's Disease

et al. 2022

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Meniere's disease (MD) is a clinical syndrome characterized by spontaneous recurrent vertigo, usually accompanied by hearing loss, tinnitus, and aural fullness. The cause of MD remains unclear and is generally considered to be associated with endolymphatic hydrops. Studies showed that patients with MD could have eustachian tube dysfunction (ETD). ETD can disrupt the pressure balance between the middle and inner ear and impair the inner ear's function. In recent years, several studies have attempted to identify MD by using wideband tympanometry (WBT). However, there are limited studies in this area. There is no consensus on how to use WBT to diagnose Meniere's disease. Therefore, we endeavored to conduct a narrative review in this aspect based on the latest research findings. Reduction in resonance frequency and absorbance are characteristic of MD and can identify Meniere's disease. The use of an increase in the integrated area of absorbance as an indicator for identifying MD is controversial. WBT seems to be ineffective as a diagnostic tool during the acute episodes of Meniere's disease. Patients with MD may benefit from WBT. WBT has excellent potential for future use in Meniere's disease. However, further large sample sizes, multicenter studies are needed.

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Section: Absorbancementioning

confidence: 99%

Section: Absorbancementioning

confidence: 99%

Section: Limitations Of the Current Study And Prospectsmentioning

confidence: 99%

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The Role of Wideband Tympanometry in the Diagnosis of Meniere's Disease

et al. 2022

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Vibration Measurements of the Gerbil Eardrum Under Quasi-static Pressure Sweeps

Kose

Funnell²,

Daniel³

2022

JARO

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Characteristics of large vestibular aqueduct syndrome in wideband acoustic immittance

Gao³

et al. 2023

Front. Neurosci.

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ObjectiveTo describe the characteristics of large vestibular aqueduct syndrome (LVAS) in wideband acoustic immittance (WAI) and to explore whether inner ear deformity has an impact on WAI results.MethodsSubjects with typical LVAS (LVAS group) and control subjects with a normal anatomical structure of the inner ear (control group) were screened from pediatric patients with cochlear implants using thin-slice computed tomography (CT) images of the temporal bone. With inflammation of the auditory canal and middle ear excluded by routine ear examination and 226 Hz acoustic immittance, WAI data were acquired. Then, the maximum absorbance as the major observation indicator on the mean tympanogram was compared between the LVAS group and control group, and a descriptive comparison of the mean tympanogram and frequency-absorbance curve at peak pressure was performed between the two groups.ResultsThe LVAS group included 21 cases (38 ears), and the control group included 27 cases (45 ears). All LVAS subjects met the Valvassori criteria, and the VA at the horizontal semicircular canal displayed flared expansion. On the mean tympanogram, the maximum absorbance in the LVAS group (0.542 ± 0.087) was significantly higher than that in the control group (0.455 ± 0.087) (p < 0.001). The tympanogram in the LVAS group showed an overall elevation, and the absorbance at all pressure sampling points was significantly higher than that in the control group (p < 0.001). The frequency-absorbance curve at peak pressure first increased and then decreased in both groups, and the LVAS group showed higher absorbance than the control group in the frequency range below 2,828 Hz. The absorbance at 343–1,124 Hz was significantly different between the two groups (p < 0.001), and 343–1,124 Hz was the major frequency range at which the maximum absorbance on the mean tympanogram increased in the LVAS group.ConclusionLarge vestibular aqueduct syndrome (LVAS) shows increased absorbance in low and medium frequency ranges in WAI. The maximum absorbance on the mean tympanogram can serve as a reliable evaluation indicator. Inner ear factors must be considered when middle ear lesions are analyzed by WAI.

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Analysis of wideband tympanometry in Ménière’s disease

Cited by 4 publications

References 14 publications

The Role of Wideband Tympanometry in the Diagnosis of Meniere's Disease

The Role of Wideband Tympanometry in the Diagnosis of Meniere's Disease

Vibration Measurements of the Gerbil Eardrum Under Quasi-static Pressure Sweeps

Characteristics of large vestibular aqueduct syndrome in wideband acoustic immittance

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