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Tracheal allograft reconstruction: the total North American and worldwide pediatric experiences
J P Jacobs1, J A Quintessenza, T Andrews
1Division of Thoracic and Cardiovascular Surgery, All Children's Hospital, University of South Florida School of Medicine, St. Petersburg 33701, USA. jjacobs1@compuserve.com
Insights
Tracheal allograft reconstruction shows promising short-term outcomes for pediatric patients with severe tracheal stenosis. This surgical technique offers hope for improved long-term results in complex cases.
Area of Science:
- Regenerative Medicine
- Surgical Innovation
- Pediatric Thoracic Surgery
Background:
- Tracheal stenosis, particularly long-segment and recurrent types, presents significant challenges in pediatric patients.
- Tracheal allograft reconstruction has emerged as a potential treatment option for severe cases.
- This review examines the North American and global pediatric experience with this reconstructive approach.
Purpose of the Study:
- To evaluate the efficacy and outcomes of tracheal allograft reconstruction in pediatric patients with long-segment and recurrent tracheal stenosis.
- To assess both North American and worldwide surgical experiences with this procedure.
- To determine the short- to medium-term success rates and complications associated with tracheal allograft reconstruction.
Main Methods:
- Tracheal allograft reconstruction involves resecting the stenosed segment and using a chemically preserved cadaveric trachea secured with absorbable sutures.
- A temporary silastic intraluminal stent is employed during the procedure.
- The study reviewed cumulative data from North America (6 patients) and worldwide (over 100 adults and 31 children).
Main Results:
- Worldwide, 84% (26 of 31) of pediatric patients survived, with follow-up ranging from 5 months to 14 years.
- In North America, 5 out of 6 patients survived; one early death was attributed to a tracheal-innominate artery fistula.
- Only 3.8% (1 of 26) of pediatric survivors required a tracheostomy.
Conclusions:
- Tracheal allograft reconstruction demonstrates encouraging short- to medium-term results for complex pediatric tracheal stenosis.
- The observed allograft luminal epithelialization suggests potential for favorable long-term outcomes.
- This technique represents a viable option for managing challenging cases of tracheal stenosis in children.
Background:
We reviewed both the North American and the total worldwide pediatric experience with tracheal allograft reconstruction as treatment for patients with long segment and recurrent tracheal stenosis.
Methods:
The stenosed tracheal segment is opened to widely patent segments. The anterior cartilage is resected and the posterior trachealis muscle or tracheal wall remains. A temporary silastic intraluminal stent is placed and absorbable sutures secure the chemically preserved cadaveric trachea. After initial success with this technique in Europe, several North American centers have now performed the procedure. The cumulative North American experience includes 6 patients (3 adults and 3 children). Worldwide, more than 100 adults and 31 children, aged 5 months to 18 years, with severe long segment tracheal stenosis have undergone tracheal allograft reconstruction.
Results:
In North America, 5 of 6 patients have survived, with one early death due to bleeding from a tracheal-innominate artery fistula in a previously irradiated neck. Worldwide, 26 children survived (26 of 31 = 84%) with follow-up from 5 months to 14 years. Only 1 of 26 pediatric survivors (1 of 26 = 3.8%) had a tracheostomy.
Conclusions:
Tracheal allograft reconstruction demonstrates encouraging short- to medium-term results for patients with complex tracheal stenosis. Allograft luminal epithelialization supports the expectation of good long-term results.
