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Proceedings Paper

Laser Doppler vibrometry: new ENT applications
Author(s): Norbert Stasche M.D.; M. Baermann; C. Kempe; Karl Hoermann M.D.; Hans-Jochen Foth
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Paper Abstract

Common audiometry often does not really allow a reliable and objective differential diagnosis of hearing disorders such as otosclerosis, adhesive otitis, ossicular interruption or tinnitus, even though several methods might be used complementarily. In recent years, some experimental studies on middle ear mechanics established laser Doppler vibrometry (LDV) as a useful method allowing objective measurement of human tympanic membrane displacement. The present study on LDV investigated the clinical use of this new method under physiological conditions. LDV proved to be a fast, reproducible, non-invasive and very sensitive instrument to characterize ear-drum vibrations in various middle ear dysfunctions, except in tinnitus patients. For future applications, improved optical characteristics of the vibrometer might result in a better differential diagnosis of subjective and objective tinnitus, otoacoustic emissions or Morbus Meniere.

Paper Details

Date Published: 3 December 1996
PDF: 8 pages
Proc. SPIE 2922, Laser Applications in Medicine and Dentistry, (3 December 1996); doi: 10.1117/12.260712
Show Author Affiliations
Norbert Stasche M.D., Westpfalz-Klinikum GmbH (Germany)
M. Baermann, Westpfalz-Klinikum GmbH (Germany)
C. Kempe, Westpfalz-Klinikum GmbH (Germany)
Karl Hoermann M.D., Klinikum Mannheim (Germany)
Hans-Jochen Foth, Univ. Kaiserslautern (Germany)

Published in SPIE Proceedings Vol. 2922:
Laser Applications in Medicine and Dentistry
Gregory B. Altshuler; Fausto Chiesa; Herbert J. Geschwind M.D.; Raimund Hibst; Neville Krasner M.D.; Frederic Laffitte; Giulio Maira; Reinhard Neumann; Roberto Pini; Hans-Dieter Reidenbach; Andre Roggan; Montserrat Serra I Mila, Editor(s)

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