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Abstract
Menière's disease and fluctuating hearing loss are related labyrinthine fluid pressure variations. The development of a ne indirect method of analysis of the tympanic membrane displacement during the stapedial reflex, using the Marchbanks Measurements System (MMS 10), allows us to study inner ear fluid pressure during these pathological conditions. In this study, measurements with this method were made in four groups of patients: a control group with normal hearing (n = 7), stable sensorineural hearing loss (n= 9) fluctuating hearing loss (n=8), and Menière's disease (n=25). Resu show, first, a good relationship between the recording of negati curves, suggesting a high pressure, and the acute episodes fluctuating hearing loss; and, secondly, in the case of Meniere's disea two types of situation: positive and negative curves suggesting norn and high pressures, respectively.
