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Missing stapes and stapes-replacing prosthesis.

Authors: J, Sadé; E, Yaniv; S, Avraham; C, Fuchs; B, Sacs;

Missing stapes and stapes-replacing prosthesis.

Abstract

Our study of 205 ears with missing stapes, secondary to some type of chronic ear disease, showed that only 40% of such ears are suitable for ossiculoplasty. The remaining 60% are unsuitable because of a fixed footplate, severe atelectasis, hearing better than 25 dB (these patients do not need the operation), or poor discrimination. A new stapes replacement prosthesis (SRP), which we term Tabor, is described for use where indicated. The prosthesis has two parts: The lower part (or base) is made of a broad inorganic, biocompatible material (Teflon). This part fits and covers most of the footplate, ensuring maximal stability. The upper part of the prosthesis is made of autograft or homograft bone--usually a malleus head--the contact of which with the drum prevents extrusion. In twelve out of fourteen ears insertion of this prosthesis was successful; the average postoperative air conduction went from 56 dB to 29 dB, leaving an average air-bone gap of 16 dB. The bone conduction also improved, from an average of 20 dB to 13 dB.

Keywords

Ear, Middle, Prostheses and Implants, Stapes Surgery, Prosthesis Design, Stapes, Otitis Media, Hearing, Evaluation Studies as Topic, Chronic Disease, Humans, Ear Diseases, Bone Conduction, Ear Ossicles

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Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
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