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Design of a Biocompatible Drug-Eluting Tracheal Stent in Mice with Laryngotracheal Stenosis
Published on: January 21, 2020
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Securing stent during multi-stage laryngotracheoplasty--an evolved technique
1Children's Hospital of Michigan, Detroit, MI, United States; Wayne State University School of Medicine, Detroit, MI, United States.
Summary
Securing airway stents with an exposed suture technique simplifies removal after multi-stage laryngotracheoplasty (LTP). This method reduces the need for incisions and significantly decreases operative time for stent removal.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Airway Reconstruction
Background:
- Multi-stage laryngotracheoplasty (LTP) requires airway stents for 2-6 weeks.
- Traditional stent fixation can complicate removal.
- Evolved technique involves securing stents to strap muscles with a protruding suture tail.
Purpose of the Study:
- To evaluate the efficacy of an exposed suture technique for airway stent removal in multi-stage LTP.
- To compare operative time and need for incision between buried and exposed suture techniques.
Main Methods:
- Retrospective chart review of 16 patients undergoing multi-stage LTP.
- Categorization of patients based on stent fixation: buried sutures vs. exposed suture tail.
- Analysis of stent removal procedures, including incision requirement and operative time.
Main Results:
- 10 patients (62.5%) had buried sutures; 6 patients (37.5%) had exposed suture tails.
- Incision was required for 100% of buried suture removals vs. 33% of exposed suture removals (p=0.0009).
- Average operative time for stent removal was 60 min (buried) vs. 25 min (exposed) (p=0.0075).
Conclusions:
- Exposed suture technique significantly reduces the need for skin incisions during stent removal.
- This method substantially decreases operative time for the second stage of LTP.
- The exposed suture technique offers a simpler and more efficient approach to airway stent management.
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