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Comparing intermediate-term hearing results of NiTiBOND and Nitinol prostheses in stapes surgery

Published online by Cambridge University Press:  16 July 2021

A Koukkoullis ,
I Gerlinger ,
A Kovács ,
Z Szakács ,
Z Piski ,
I Szanyi ,
I Tóth  and
P Révész
A Koukkoullis
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
I Gerlinger
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
A Kovács
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
Z Szakács
Affiliation:
Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
Z Piski
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
I Szanyi
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
I Tóth
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
P Révész*
Affiliation:
ENT Department, Clinical Centre, Medical School, University of Pécs, Pécs, Hungary
*
Author for correspondence: Dr P Révész, ENT Department, Clinical Centre, Medical School, University of Pécs, Munkácsy Mihály u. 2, 7621 Pécs, Hungary E-mail: [email protected]
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Abstract

Objective

To statistically analyse the hearing thresholds of two cohorts undergoing stapedotomy for otosclerosis with two different prostheses.

Method

A retrospective study was conducted comparing NiTiBOND (n = 53) and Nitinol (n = 38) prostheses.

Results

Average follow-up duration was 4.1 years for NiTiBOND and 4.4 years for Nitinol prostheses. The post-operative air–bone gap was 10 dB or less, indicating clinical success. The p-values for differences between (1) pre- and post-operative values in the NiTiBOND group, (2) pre- and post-operative values in the Nitinol group, (3) pre-operative values and (4) post-operative values in the two groups were: air–bone gap – p < 0.001, p < 0.001, p = 0.631 and p = 0.647; four-frequency bone conduction threshold – p = 0.076, p = 0.129, p < 0.001 and p = 0.005; four-frequency air conduction threshold – p < 0.001, p < 0.001, p = 0.043 and p = 0.041; three-frequency (1, 2 and 4 kHz) bone conduction threshold pre-operatively – p = 0.639, p = 0.495, p = 0.001 and p = 0.01; and air conduction threshold at 4 kHz: – p < 0.001, p < 0.001, p = 0.03 and p = 0.058.

Conclusion

Post-operative audiological outcomes for NiTiBOND and Nitinol were comparable.

Keywords

LasersNitinolOtosclerosisStapes FixationStapes Surgery
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 135 , Issue 9 , September 2021 , pp. 795 - 798
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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Footnotes

Dr P Révész takes responsibility for the integrity of the content of the paper

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