A case of patulous Eustachian tube associated with dizziness induced by nasal respiration

Abstract Objective To determine the relationship between Eustachian tube function and inner ear function in patulous Eustachian tube (pET). Methods We encountered a patient with pET accompanied by dizziness that was induced by nasal respiration. Eye movements were recorded using video-oculography, a...

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Bibliographic Details
Published in:Auris, nasus, larynx nasus, larynx, 2016-12, Vol.43 (6), p.702-705
Main Authors: Kitajima, Naoharu, Sugita-Kitajima, Akemi, Kitajima, Seiji
Format: Article
Language:English
Subjects:
Acoustic Impedance Tests
Adult
Caloric Tests
Dizziness
Dizziness - physiopathology
Eustachian Tube - diagnostic imaging
Eustachian Tube - physiopathology
Eye Movement Measurements
Fistula - diagnostic imaging
Fistula - physiopathology
Humans
Impedance testing
Labyrinth Diseases - diagnostic imaging
Labyrinth Diseases - physiopathology
Male
Nasal respiration
Otolaryngology
Patulous Eustachian tube
Respiration
Semicircular Canals - diagnostic imaging
Semicircular Canals - physiopathology
Tomography, X-Ray Computed
Vertigo - physiopathology
Vestibular Evoked Myogenic Potentials
Video-oculography
Weight Loss
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Summary:Abstract Objective To determine the relationship between Eustachian tube function and inner ear function in patulous Eustachian tube (pET). Methods We encountered a patient with pET accompanied by dizziness that was induced by nasal respiration. Eye movements were recorded using video-oculography, and Eustachian tube function was assessed using a Eustachian tube function analyzer. Horizontal and vertical components of pupil position were assessed to test fixation, positional, and positioning nystagmus. Impedance testing with a Eustachian tube function analyzer was performed to confirm tympanometry results. We recorded these outcomes until the patient's symptoms improved. Results When pET improved, the patient's symptoms were alleviated. Conclusion The present pET patient had mild vestibular symptoms. Therefore, pET patients with dizziness might be misdiagnosed with, for example, superior semicircular canal dehiscence, psychogenic vertigo, or Ménière's disease. For patients with few clinical symptoms or laboratory findings, clinicians need to consider dizziness-induced pET as a possible diagnosis.
ISSN:0385-8146
1879-1476
DOI:10.1016/j.anl.2016.03.008