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Step-by-Step Stapedotomy through Transcanal Exclusive Endoscopic Approach

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The "One Shot" Diode Laser Stapedotomy.

Arturo M Poletti¹, Stefano Miceli¹, Vanessa Rossi¹

¹1 Department of Otorhinolaryngology, Humanitas Clinical and Research Hospital , Rozzano, Milan, Italy .

Photomedicine and Laser Surgery

|September 24, 2015

Summary

Diode laser stapedotomy is a safe and effective surgical technique for otosclerosis, showing significant hearing improvements and stable long-term results. This precise tool offers functional benefits in stapes surgery with no major complications reported.

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Area of Science:

Otolaryngology
Surgical Technology
Audiology

Background:

Otosclerosis is a condition affecting the stapes bone, often leading to hearing loss.
Stapedotomy is a surgical procedure to restore hearing in otosclerosis patients.
Laser technology offers potential advancements in precision and safety for stapes surgery.

Purpose of the Study:

To evaluate the effectiveness and safety of diode laser stapedotomy.
To analyze functional hearing results after diode laser stapedotomy.
To assess the long-term stability of hearing outcomes.

Main Methods:

Retrospective review of 179 primary otosclerosis cases operated with diode laser stapedotomy (2004-2012).
Analysis of pre-operative, 1-month post-operative, and long-term annual audiograms (up to 8 years).

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Evaluation of pure-tone average bone conduction thresholds (PTA-BC), 8kHz air conduction (AC) hearing, and air-bone gap (ABG) closure.

Main Results:

Significant improvement in mean post-operative PTA-BC and 8kHz AC thresholds observed.
Excellent 1-month ABG closure: within 10 dB in 89.02% and within 20 dB in 97.69% of patients.
Statistically significant and stable long-term hearing results with no major complications.

Conclusions:

Diode laser stapedotomy is a safe, precise, and effective tool for stapes surgery.
High power and short exposure time settings are beneficial.
The technique provides reliable functional hearing restoration in otosclerosis.