Abstract
Objective
To evaluate long-term hearing results of stapedotomy and analyze the influence of patient-, disease-, and procedure-related variables.
Study design
Retrospective case series.
Setting
Tertiary referral center.
Patients
230 ears (202 patients, 10–74 years) underwent stapedotomy for otosclerosis between January 2008 and August 2014. All cases had early postoperative follow-up (4 weeks post-surgery) and 181 cases had late postoperative follow-up (≥ 1 year, average 32.5 months).
Intervention
Stapedotomy procedure for otosclerosis.
Main outcome measures
Hearing outcome using conventional audiometry. The primary outcome parameter was the postoperative air-bone gap pure-tone average. Postoperative air-bone gap ≤ 10 dB was defined as surgical success. Preoperative, early postoperative and late postoperative hearing results were compared. Influence of patient- and procedure-related variables on hearing outcome was evaluated by logistic regression analysis.
Results
The postoperative air-bone gap was 10 dB or less in 77.0% of cases early post-surgery and in 70.7% of cases in long-term follow-up. Air-bone gap closure within 20 dB was obtained in 95.7 and 92.3%, respectively. Logistic regression analysis demonstrated that a larger preoperative air-bone gap (p = 0.041) and positive family history of otosclerosis (p = 0.044) were predictive for less surgical success early postoperatively, but not on the long term. Age, gender, primary versus revision surgery, presence of preoperative tinnitus and preoperative vertigo did not independently and significantly influence postoperative air-bone gap closure.
Conclusion
Our series confirms excellent hearing results achieved in stapedotomy surgery, also in long-term follow-up. On the long-term no patient-, disease-, or procedure-related variables were identified as predictors of surgical success.
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Change history
16 March 2018
The given and family names of all the co-authors are incorrect in the published article. The correct names should read as follows:
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Acknowledgements
The authors would like to acknowledge Dr. Ellen Deschepper for statistical advice.
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Authors Ingeborg Dhooge, Stéphanie Desmedt, Thomas Maly, David Loose and Helen Van Hoecke have no conflict of interest.
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The study has been approved by the Ethical Committee of Ghent University Hospital, Belgium (Approval Numbers: 2014- 0760/2014-0761 and 2015-0198/2015- 0199) and has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. As is involved a retrospective study, formal consent is not required.
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The original version of this article was revised: The given and family names of all the co-authors are incorrect in the published article.
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405_2018_4899_MOESM3_ESM.tiff
Fig 2A: Evolution of Air Conduction extended Pure-Tone Average (AC-PTA) from preoperative to early postoperative and late postoperative (n=181) (TIFF 45 KB)
405_2018_4899_MOESM4_ESM.tiff
Fig 2B: Evolution of Bone Conduction extended Pure-Tone Average (BC-PTA) from preoperative to early postoperative and late postoperative (n=181) (TIFF 28 KB)
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Dhooge, I., Desmedt, S., Maly, T. et al. Long-term hearing results of stapedotomy: analysis of factors affecting outcome. Eur Arch Otorhinolaryngol 275, 1111–1119 (2018). https://doi.org/10.1007/s00405-018-4899-2
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DOI: https://doi.org/10.1007/s00405-018-4899-2