Effects of systemic hyperoxia on eustachian tube ventilatory function.
作者： Avi Shupak , Reza Tabari , Douglas J. Swarts , Charles D. Bluestone , William J. Doyle
DOI: 10.1097/00005537-199710000-00021
关键词:
摘要: Middle ear negative pressure and effusions, decreased middle compliance, abnormal tympanometry results have been described after diving on oxygen. gas hyperoxia has shown to down-regulate the eustachian tube ventilatory function (ETVF). The purpose of present study was investigate what extent systemic in face air-equivalent composition might interfere with ETVF. ETVF investigated four young adult female cynomolgus monkeys by forced-response inflation-deflation tests using air while animals breathed either room or 100% normobaric Higher opening, closing, steady-state pressures were observed under hyperoxia. percentage applied equalized, maximal change a single swallow deflation test both lower hyperoxic conditions. show that impair This observation adds our understanding pathophysiology dysfunction
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