Journal article
Measures of Middle Ear Admittance during Experimentally Induced Changes in Middle Ear Volume in the Hamster
Otolaryngology-head and neck surgery, v 89(5), pp 856-860
Sep 1981
PMID: 6799922
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The relation between middle ear admittance measured at the tympanic membrane and middle ear volume was studied in adult hamsters. A modified tympanometric procedure was used to measure complex admittance at eight test frequencies. Middle ear volume was varied by injecting small amounts of water into the bulla cavity. As bulla volume decreased, the value of admittance magnitude also decreased. The measured values of admittance magnitude could be accurately predicted by the equation for admittance magnitude until the bulla was about 70% filled. The results confirm that measures of middle ear admittance reflect the volume of the middle ear cavity as would be expected of a pure compliance. Where such measures are available in man, they might be used to predict the degree of fluid intrusion into the middle ear cavity.
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Details
- Title
- Measures of Middle Ear Admittance during Experimentally Induced Changes in Middle Ear Volume in the Hamster
- Creators
- David Zwillenberg - University of PennsylvaniaDan F. Konkle - Vanderbilt UniversityJames C. Saunders - University of Pennsylvania
- Publication Details
- Otolaryngology-head and neck surgery, v 89(5), pp 856-860
- Publisher
- Sage
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pediatrics
- Web of Science ID
- WOS:A1981MR46000031
- Scopus ID
- 2-s2.0-0019774427
- Other Identifier
- 991021862391204721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Otorhinolaryngology
- Surgery