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Hearing Results of Type III Tympanoplasty

Presenting Author: Shin-ichi Sato

Published online by Cambridge University Press:  03 June 2016

Shin-ichi Sato ,
Takashi Fujiwara ,
Hisanobu Tamaki ,
Atsuhiro Yoshida ,
Takuya Miyazaki ,
Shinji Kaba ,
Keisuke Kojima  and
Yasuharu Haku
Shin-ichi Sato
Affiliation:
Kurashiki Central Hospital
Takashi Fujiwara
Affiliation:
Kurashiki Central Hospital
Hisanobu Tamaki
Affiliation:
Kurashiki Central Hospital
Atsuhiro Yoshida
Affiliation:
Kurashiki Central Hospital
Takuya Miyazaki
Affiliation:
Kurashiki Central Hospital
Shinji Kaba
Affiliation:
Kurashiki Central Hospital
Keisuke Kojima
Affiliation:
Kurashiki Central Hospital
Yasuharu Haku
Affiliation:
Kurashiki Central Hospital
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Abstract

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Information
The Journal of Laryngology & Otology , Volume 130 , Supplement S3: Abstracts for the 10th International Conference on Cholesteatoma , May 2016 , pp. S229
Copyright
Copyright © JLO (1984) Limited 2016 

Learning Objectives: to analyze the prognostic factors in type III tympanoplasty.

Hearing Results of Type III Tympanoplasty.

Objective: We report the hearing results of type III tympanoplasty to analyze the prognostic factors in type III tympanoplasty.

Methods: Patients who had been performed type III tympanoplasty in our department between October 2004 and February 2015 were retrospectively analyzed. Almost pacients underwent tympanoplasty with postauricular incision and canal wall up procedure.

Results: 317 patients underwent type III tympanoplasty in our department. The mean age was 47 years (range, 3 to 82 years). 87.4% of patients had an air-bone gap (ABG) of less than 20 ;dB. The average postoperative ABG is 12.8 dB. Hearing results were successful in 93.4% based on criteria proposed by the Otological Society of Japan. The hearing results of canal wall up Type III tympanoplasty were significantly more favorable than canal wall down. On comparison of columella, ceramic bone showed significantly poorer than autograft.

Conclusion: Canal wall up Type III tympanoplasty yields relatively good hearing results.