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Original Article

Tubal Function and Surgery in Chronic Otitis Media. a Study on the Predictive Value of Testing Tubal Function, Valsalva's Manoeuvre and Volume of Ear Spaces

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Pages 127-130 | Published online: 08 Jul 2009
 

Abstract

Reimer Å, Andréasson L, Harris S, Ivarsson A, Tjernström Ö. Tubal Function and Surgery in Chronic Otitis Media. A Study on the predictive value of testing tubal function, Valsalva's manoeuvre and volume of ear spaces. Acta Otolaryngol (Stockh) 1987; in print.

In 141 ears with central tympanic membrane (TM) perforation preoperative tubal studies as well as volume determination of the air-filled ear spaces was performed. Tubal patency was checked with Valsalva's manoeuvre and pressure equilibration function with Toynbee's test and aspiration-deflation tests respectively. At postoperative control 74.5% of the ears had intact movable TM (healed), 5.7% had intact but immovable or retracted TM and 19.8% had perforation (defect). There was no difference between the healed and defect ears regarding results in aspiration-deflation tests. A positive Valsalva's manoeuvre was significantly more frequent in the healed ears. Ears with a small air-filled volume and negative Valsalva's manoeuvre showed significantly lower healing rate than ears with positive Valsalva's manoeuvre and a large air-filled volume.

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