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Validity of tympanometry in cases of confirmed otosclerosis

Published online by Cambridge University Press:  29 June 2007

C. Muchnik ,
M. Hildesheimer ,
M. Rubinstein  and
Y. Gleitman
C. Muchnik*
Affiliation:
School for Communication Disorders, Speech and Hearing, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
M. Hildesheimer
Affiliation:
School for Communication Disorders, Speech and Hearing, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
M. Rubinstein
Affiliation:
School for Communication Disorders, Speech and Hearing, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
Y. Gleitman
Affiliation:
School for Communication Disorders, Speech and Hearing, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
*
Correspondence and reprint address: Chava Muchnik, Ph. D., School for Communication Disorders, Speech and Hearing, The Him Sheba Medical Center, Tel Hashomer Hospital 52621, Israel.
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Abstract

The otoadmittence or impedance measurements are common procedures in the diagnosis of middle ear pathologies. The present study was undertaken for the purpose of studying the clinical validity of static admittance values in 42 confirmed otosclerotic ears. For both 220 Hz and 660 Hz probe tones only one third of the otosclerotic ears had low admittance values, as expected. The remainder showed admittance values in the normal or high ranges. No significant correlation was found between air bone gap (ABG) and the admittance values.

Information

Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 103 , Issue 1 , January 1989 , pp. 36 - 38
Copyright
Copyright © JLO (1984) Limited 1989

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References

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