Tympanometric volume: A predictor of success of tympanoplasty in children

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Abstract

OBJECTIVES:

To determine if preoperative tympanometric volumes have any predictive value in the success of pediatric tympanoplasty.

STUDY DESIGN AND SETTING:

Retrospective chart review in a tertiary referral center.

MAIN OUTCOME MEASURES:

Success was defined as no evidence of tympanic membrane perforation via otoscopic examination and normal aeration of the middle ear.

METHODS:

Fifty-eight pediatric patients who underwent tympanoplasty between 1996 and 2004 were studied; reviewed factors included recent discharge from the ear, perforation size, disease of the contralateral ear, age, gender, middle ear findings, and location of perforation.

RESULTS:

The overall success rate was 59 percent. The success rate was 89 percent for patients with a large preoperative tympanometric volume compared with 34 percent for patients with a small volume. Multivariate analysis demonstrated that disease of the contralateral ear and a large tympanometric volume were statistically significant.

CONCLUSION AND SIGNIFICANCE:

A large tympanometric volume may be an important factor when considering tympanoplasty in children. In addition, disease of the contralateral ear may be a prognostic indicator.

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