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Tympanoscopy to increase the accuracy of diagnosis in conductive hearing loss

Published online by Cambridge University Press:  29 June 2007

Tapio S. Karhuketo ,
Heikki J. Puhakka  and
Pekka J. Laippala
Tapio S. Karhuketo*
Affiliation:
Department of Otorhinolaryngology, Tampere University Hospital, Tampere, Finland.
Heikki J. Puhakka
Affiliation:
Department of Otorhinolaryngology, Tampere University Hospital, Tampere, Finland.
Pekka J. Laippala
Affiliation:
Department of Tampere School of Public Health, University of Tampere and Tampere University Hospital, Tampere, Finland.
*
Address for correspondence: Tapio S. Karhuketo, M.D., Department of Otorhinolaryngology, Tampere University Hospital, P.O. Box 2000, FIN-33521, Tampere, Finland. Fax: +358 3 2474366
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Abstract

The diagnosis of conductive hearing loss is usually based on audiological methods and radiology. The aim of our study was to show that there is a useful additive method to clarify the findings of diseases with conductive hearing loss.

Patients (151 ears) with conductive hearing loss were examined using several methods: otomicroscopy, air- and bone-conduction threshold, pure tone average, speech threshold, speech discrimination, tympanometry and stapedial reflex and tympanoscopy.

The management of the patients changed in 17 per cent of cases due to tympanoscopy. In a group with normal tympanic membrane the movement of the stapes during endoscopy was compared to stapedial reflex. Stiff stapes were found more often than an abnormal stapedial reflex.

Middle ear endoscopy can increase the accuracy of diagnosis of conductive hearing loss thus enhancing decision making in the case of the patient.

Keywords

Hearing loss, conductiveEar, middleEndoscopy
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 112 , Issue 2 , February 1998 , pp. 154 - 157
Copyright
Copyright © JLO (1984) Limited 1998

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