Eustachian tube function in young children without a history of otitis media evaluated using a pressure chamber protocol.

Abstract:

CONCLUSIONS:Protocol limitations were identified and accounted for in the analysis. Percent gradient equilibrated (PGE) was affected by driving gradient direction in a similar manner to other efficiency measures. A finer resolution of possible age-related changes in eustachian tube opening efficiency is expected with the application of more sophisticated statistical models to the complete dataset at study end. OBJECTIVE:To report the results of an interim analysis for an ongoing study designed to characterize the age-related changes in eustachian tube opening efficiency measured using a pressure chamber protocol in children without a history of middle ear disease. METHODS:To date, 41 children aged 3 years without a history of otitis media have been enrolled in a longitudinal study of the age-related changes in eustachian tube function and evaluated at yearly intervals between 3 and 7 years of age. Eustachian tube opening efficiency, the percent of the applied pressure gradient equilibrated by swallowing, was measured by repeat tympanometry during a pressure chamber protocol. Data (120 tests) were analyzed using an ANOVA with variance partitioned by age (3 through 6 years), gradient direction (positive/negative), and ear (left/right). RESULTS:PGE was higher for left ears and positive driving gradients, but was not different among age groups.

journal_name

Acta Otolaryngol

journal_title

Acta oto-laryngologica

authors

Swarts JD,Casselbrant ML,Teixeira MS,Mandel EM,Richert BC,Banks JM,El-Wagaa J,Doyle WJ

doi

10.3109/00016489.2014.882017

subject

Has Abstract

pub_date

2014-06-01 00:00:00

pages

579-87

issue

6

eissn

0001-6489

issn

1651-2251

journal_volume

134

pub_type

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