Abstract
In this investigation of the relationship between endolymphatic hydrops and otitis media, 25 patients with chronic otitis media received the glycerol test for endolymphatic hydrops before middle ear surgery.1) The incidence of positive reactions to the glycerol test was higher in the following patients with otitis media:a) those with a long duration of diseaseb) those with vertigo and tinnitusc) those with severe otorrhea.2) Patients with positive glycerol test before surgery were retested after the operation, and all had negative test after the elimination of middle ear inflammation.3) Some of the patients with chronic otitis media also seemed to have endolymphatic hydrops due to the spread of inflammation from the middle ear to the inner ear.
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