Abstract
The Effect of Valsalva and Toynbee Maneuvers on Tympanometry Parameters in Normal and Retracted Tympanic Membrane
Highlights
The Eustachian tube, known as auditory tube, is a bony and fibrocartilagenous tube that connects the middle ear to the nasopharynx
The purposes of the present study is to evaluate the variation in middle ear pressure in patients with type A tympanogram and type C tympanogram during Eustachian tube
In type A group, the mean pressure parameters were compared between tympanometry I, immediate post-Valsalva (II), III, and immediately post-Toynbee maneuver (IV) Table 4
Summary
The Eustachian tube, known as auditory tube, is a bony and fibrocartilagenous tube that connects the middle ear to the nasopharynx. It plays a major role in equalizing the pressure between the external environment and middle ear and to protect the middle ear from nasopharyngeal secretions [1]. Et al diagnosed Eustachian tube pathologies by asking his patients to perform Valsalva and Toynbee maneuvers and took tympanogram measurements for his patients. He categorized his patients, based on their readings, into patient with Eustachian tube dysfunction, patients with normal Eustachian tubes and patients with patulous Eustachian tube [6]
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