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Related Experiment Video

Updated: Jul 14, 2025

Author Spotlight: Advancing Awake Nasotracheal Intubation with Flexible Video Rhino-Laryngoscopes
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Preliminary Experience with 3-Dimensional Exoscope-Assisted Laryngoplasty.

Tetsuji Sanuki1, Naoki Takemoto1, Shogo Sumiya1

  • 1Department of Otolaryngology-Head & Neck Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.

The Laryngoscope
|October 6, 2023
PubMed
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A new 3D exoscope approach for laryngoplasty surgery is feasible. This technique offers comparable vocal outcomes and educational benefits without increasing complications or operative time.

Keywords:
3D exoscopelaryngoplastyquestionnairevocal function testvoice disorder

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Area of Science:

  • Otolaryngology
  • Surgical Technology
  • Vocal Fold Surgery

Background:

  • Laryngoplasty involves vocal fold manipulation, often limited by poor visibility and technical demands.
  • Traditional microsurgery for vocal fold issues requires specialized anatomical knowledge and a high skill level.
  • A novel 3D exoscope offers a stereoscopic view, potentially overcoming limitations of current laryngoplasty techniques.

Purpose of the Study:

  • To evaluate the feasibility of using a 3D exoscope for laryngoplasty.
  • To compare the 3D exoscope technique with traditional macrosurgery for vocal fold procedures.
  • To assess the potential of the 3D exoscope to replace existing laryngoplasty methods.

Main Methods:

  • A retrospective case series included 28 patients undergoing laryngoplasty.
  • Patients were divided into two groups: 3D exoscope (n=12) and macrosurgery (n=16).
  • Surgical time, vocal function, complications, and staff feedback on educational utility were compared.

Main Results:

  • No intraoperative or postoperative complications were observed in either group.
  • Surgical duration and vocal function outcomes were similar between the 3D exoscope and macrosurgery groups.
  • Medical staff found the 3D exoscope valuable for surgical education and information sharing.

Conclusions:

  • The exclusive use of a 3D exoscope for open laryngoplasty is feasible.
  • This preliminary study suggests the 3D exoscope is a viable alternative for vocal fold surgery.
  • The 3D exoscope demonstrates potential as an educational tool in laryngoplasty procedures.