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Autologous incus versus titanium partial ossicular replacement prosthesis in reconstruction of Austin type A ossicular defects: a prospective randomised clinical trial

Published online by Cambridge University Press:  21 February 2017

Naragund Amith  and
Mudhol RS
Naragund Amith*
Affiliation:
Department of Otorhinolaryngology, Jawaharlal Nehru Medical College, Belagavi, India
Mudhol RS
Affiliation:
Department of Otorhinolaryngology, Jawaharlal Nehru Medical College, Belagavi, India
*
Address for correspondence: Dr A Naragund, Department of Otorhinolaryngology, Jawaharlal Nehru Medical College, KLE University, Belagavi, Karnataka, India E-mail: amitnargund@rediffmail.com
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Abstract

Objective:

This study aimed to compare the functional and anatomical outcomes of ossiculoplasty using an autograft incus or a titanium partial ossicular replacement prosthesis for reconstructing Austin type A ossicular defects.

Methods:

Patients with Austin A ossicular defects were randomly divided into two groups: one group underwent ossiculoplasty with an autologous incus (the autologous incus group) and the other underwent ossiculoplasty with a titanium partial ossicular replacement prosthesis (the titanium prosthesis group). Otoscopic examination and audiological assessment was done pre-operatively and at 3, 6 and 12 months post-operatively.

Results:

A post-operative average air–bone gap closure of less than 20 dB was seen in 13 patients (65 per cent) in the autologous incus group and 7 (35 per cent) in the titanium prosthesis group. There were fewer post-operative complications in the autologous incus group (20 per cent) than in the titanium prosthesis group (45 per cent).

Conclusion:

Hearing outcomes and graft take up after ossiculoplasty were significantly better when an autologous incus rather than a titanium partial ossicular replacement prosthesis was used to reconstruct Austin type A ossicular defects. The major disadvantages of the titanium prosthesis were unpredictable results and more post-operative complications.

Keywords

IncusOssicular Replacement Prosthesis

Information

Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 131 , Issue 5 , May 2017 , pp. 391 - 398
Copyright
Copyright © JLO (1984) Limited 2017 

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Footnotes

Presented as a poster at the 16th International Otology Course, 26–28 June 2014, Clinique Jean Causse, Beziers, France

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