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  • Title: Stapes surgery preserving the superstructure of stapes (Takagi's stapedotomy) in otosclerosis: A retrospective study of 24 consecutive cases.
    Author: Sato SI, Takagi A, Fujiwara T.
    Journal: Auris Nasus Larynx; 2018 Dec; 45(6):1178-1182. PubMed ID: 29773417.
    Abstract:
    OBJECTIVE: The aim of this study was to evaluate the hearing outcomes and complications of stapedotomy in which the stapes superstructure was preserved (Takagi's stapedotomy). In this surgical approach, the lenticular process of the incus rather is removed, than the superstructure of the stapes. METHODS: A single-center retrospective observational study was performed. We included all patients having Takagi's stapedotomy for otosclerosis between January 2005 and April 2016. Both primary and revision stapes surgery were included. We evaluated audiometric outcomes and surgical complications. RESULTS: Twenty-four patients who underwent stapedotomy preserving superstructure were included in this study. The postoperative air-bone gap at 1year postoperatively was ≤10dB in 66.7% of patients and ≤20dB in all cases. In longer follow-up period, elevation of the air-bone gap was not observed over the 5 postoperative years in available cases. The postoperative air-bone gap was ≤10dB in 72.2% at 3years and 81.8% at 5years postoperatively. CONCLUSION: Takagi's stapedotomy restore ossicular conduction without the removal of superstructure of stapes. The air-bone gap did not get worse in long-term follow-up, although audiometric results would be unsatisfactory. Further larger studies are needed to evaluate the efficacy and safety of Takagi's stapedotomy.
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