Related Experiment Videos
Controlled laryngoplasty for vocal cord medialization: a technique using tissue expansion
D B Kuriloff1, M Goldsher, S M Blaugrund
1Department of Otolaryngology-Head and Neck Surgery, University of Michigan Hospital, Ann Arbor 48109.
The Laryngoscope
|June 1, 1990
Summary
A novel tissue expander technique offers precise vocal cord medialization for improved vocal rehabilitation. This method allows fine-tuning vocal quality with unprecedented accuracy, enhancing laryngeal framework surgery outcomes.
Area of Science:
- Otolaryngology
- Biomedical Engineering
- Regenerative Medicine
Background:
- Laryngeal framework surgery is a preferred vocal rehabilitation method over Teflon injection.
- Vocal cord medialization necessitates customized implants for optimal vocal quality.
- Current techniques involve Silastic implants or cartilage windows.
Purpose of the Study:
- To introduce and evaluate a new vocal cord medialization technique using an implanted miniature tissue expander.
- To assess the feasibility and efficacy of expansion laryngoplasty in a canine model.
Main Methods:
- A miniature tissue expander was implanted in a canine model.
- Controlled percutaneous filling of a remote injection valve was used for medialization.
- Intraoperative and postoperative vocal cord positioning was monitored.
Main Results:
- Successful intraoperative and postoperative vocal cord medialization was achieved.
- The implanted expanders were well tolerated by the canine subjects.
- Continued control over vocal cord position was maintained for several weeks.
Conclusions:
- Expansion laryngoplasty provides a new, precise method for vocal cord medialization.
- This technique allows for fine-tuning of vocal quality with enhanced accuracy.
- The study discusses the advantages, limitations, and technical aspects of this innovative approach.