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Updated: Jul 4, 2026

Techniques of Endoscopic Ossiculoplasty

Techniques of Endoscopic Ossiculoplasty

Published on: January 26, 2024

Cartilage ossiculoplasty by lever method.

Hideo Yamane¹, Masahiro Takayama, Kishiko Sunami

¹Department of Otolaryngology and Head & Neck Surgery, Osaka City University Graduate School, Osaka, Japan. ent-yamane@med.osaka-cu.ac.jp

Acta Oto-Laryngologica

|June 24, 2008

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A novel ossicular chain reconstruction by lever methods (OCRLM) in tympanoplasty type III improved hearing outcomes. This technique effectively reduced air-bone gaps (ABGs) in patients undergoing canal wall down surgery.

Area of Science:

Otolaryngology
Surgical Innovation
Audiology

Background:

Tympanoplasty type III with canal wall down technique often requires ossicular chain reconstruction.
Existing methods for ossicular reconstruction have variable hearing outcomes.

Purpose of the Study:

To introduce a new method for ossicular chain reconstruction by lever methods (OCRLM) in tympanoplasty.
To evaluate the hearing results of OCRLM in patients undergoing canal wall down tympanoplasty.

Main Methods:

A cohort of 24 cholesteatoma patients underwent tympanoplasty with mastoidectomy and OCRLM.
Postoperative air-bone gaps (ABGs) were assessed over a follow-up period of 2 years or more.

Main Results:

The OCRLM technique demonstrated satisfactory hearing improvement postoperatively.

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Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique

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Average postoperative ABGs showed significant reduction, with 100% of patients achieving an ABG of 30 dB or less.

The mean postoperative ABG was 17.2 dB.

Conclusions:

OCRLM is a successful method for ossicular chain reconstruction in tympanoplasty type III.
The technique provides effective hearing rehabilitation and significant reduction in ABGs.
Postoperative hearing results are comparable or superior to previous reports.