Effect of nasogastric tubes on Eustachian tube function

The Eustachian tube acts as pressure equalizing tube between the nasopharynx and the middle ear. It also functions as a conduit for removal of secretions from the middle ear and mastoid air cell system into the post nasal space. Eustachian tube function may be assessed objectively using tympanometri...

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Bibliographic Details
Published in:Journal of laryngology and otology 1990-01, Vol.104 (1), p.17-19
Main Authors: Wake, M., McCullough, D. E., Binnington, J. D.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Biological and medical sciences
Compliance
Ear Diseases - etiology
Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology
Ear, Middle - physiopathology
Enteral Nutrition - adverse effects
Enteral Nutrition - instrumentation
Eustachian Tube - physiopathology
Female
Humans
Main Articles
Male
Medical sciences
Middle Aged
Non tumoral diseases
Otorhinolaryngology. Stomatology
Postoperative Care
Pressure
Prospective Studies
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Summary:The Eustachian tube acts as pressure equalizing tube between the nasopharynx and the middle ear. It also functions as a conduit for removal of secretions from the middle ear and mastoid air cell system into the post nasal space. Eustachian tube function may be assessed objectively using tympanometric measurements. (Brooks, 1968, Lutman, 1987). The post-operative use of nasogastric Ryles tubes is associated with reduced peak middle ear pressure (mmH2O) and reduced peak compliance volumes (ml) as assessed by tympanometry. In addition changes in the appearance of the tympanic membrane may occur with the protracted use of Ryles tubes. This phenomenon is a transient one. Nasogastric tube-induced Eustachian tube dysfunction is a previously unreported entity.
ISSN:0022-2151
1748-5460
DOI:10.1017/S0022215100111673