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"Hot" vs "Cold" endoscopic stapes surgery: a matched case-control study.

Giulia Molinari1,2, Ignacio Javier Fernandez1,2, Claudio Melchiorri3

  • 1Department of Otolaryngology, Head and Neck Surgery, Policlinico S. Orsola-Malpighi, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via Massarenti, 9, Bologna, Italy.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|November 15, 2022
PubMed
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This summary is machine-generated.

Endoscopic stapes surgery (ESS) using either CO2 fiber laser or microdrill shows similar hearing outcomes and complication rates. Both techniques are safe and effective for treating otosclerosis.

Area of Science:

  • Otolaryngology
  • Surgical Innovation
  • Audiology

Background:

  • Otosclerosis is a common cause of conductive hearing loss.
  • Stapes surgery is a standard treatment for otosclerosis.
  • Advancements in surgical technology offer new approaches to stapes surgery.

Purpose of the Study:

  • To compare hearing results and complication rates of endoscopic stapes surgery (ESS) for otosclerosis.
  • To evaluate the efficacy of CO2 fiber laser versus microdrill techniques in ESS.

Main Methods:

  • A case-control study matched patients based on year of surgery, preoperative air-bone gap, sex, and age.
  • Audiological data and complication rates were compared between CO2 fiber laser ESS and traditional microdrill ESS groups.
  • 46 patients undergoing ESS for otosclerosis were included.
Keywords:
Air conductionAir–bone gapBone conductionCO2 laserEndoscopic stapes surgeryMicrodrillMicroscopic stapes surgeryStapedotomyStapes

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Main Results:

  • Operative time was longer for the CO2 fiber laser group (65 min) compared to the microdrill group (45 min).
  • Both groups showed similar postoperative air-conduction pure-tone averages (AC-PTA).
  • The laser group exhibited higher high-frequency bone conduction and improved BC-PTA at 2000 Hz, suggesting a potential overclosure effect.

Conclusions:

  • Endoscopic stapes surgery (ESS) is a safe and effective treatment for otosclerosis.
  • Both CO2 fiber laser and microdrill techniques yield similar functional hearing outcomes.
  • The choice of technique in ESS does not significantly impact overall safety or efficacy.