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December 1975

Open-Ended Tympanometric Screening: A New Concept

Author Affiliations

From Mater Misericordiae Hospital, South Brisbane, Australia (Mr Lewis and Drs Dugdale and Canty), and the Department of Otorhinolaryngology and Communicative Sciences, Baylor College of Medicine, Houston (Dr Jerger).

Arch Otolaryngol. 1975;101(12):722-725. doi:10.1001/archotol.1975.00780410014003

• We introduce the concept of openended, successive-day, tympanometric screening. In impedance screening of children for middle ear disorders, there is a serious risk of over-referral if decisions are made on the basis of a single tympanogram. Serial tympanometric studies of Australian aboriginal children show that, whereas the type B tympanogram is usually stable, type A and type C patterns are prone to vary from day to day, inviting inappropriate referral decisions unless the classifications are confirmed by tests on successive days.

(Arch Otolaryngol 101:722-725, 1975)