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Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model

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Do tracheas grow after slide tracheoplasty?

Simone Speggiorin¹, Thomas W Gilbert, Mike Broadhead

¹The National Service for Severe Tracheal Disease in Children, The Great Ormond Street Hospital for Children NHS Trust, London, United Kingdom. simone.speggiorin@gmail.com

The Annals of Thoracic Surgery

|March 3, 2012

Summary

Slide tracheoplasty allows the reconstructed trachea to grow, with faster growth in the first six months. Tracheal size correlates positively with patient weight, height, and body surface area.

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Published on: November 10, 2023

Area of Science:

Pediatric Surgery
Thoracic Surgery
Respiratory Medicine

Background:

Slide tracheoplasty is the preferred surgical method for congenital tracheal stenosis.
Concerns about growth potential of the reconstructed trachea have been addressed by its widespread adoption due to reduced morbidity and mortality.

Purpose of the Study:

To evaluate tracheal growth after slide tracheoplasty in pediatric patients.
To determine the correlation between tracheal dimensions and anthropomorphic factors post-surgery.

Main Methods:

Retrospective analysis of 14 patients undergoing slide tracheoplasty.
Follow-up bronchography at 1, 6, 12, 18, and 24 months post-surgery.
Measurement of midtracheal and distal tracheal cross-sectional areas and correlation with body weight, height, and surface area.

Main Results:

Significant increase in both midtracheal and distal tracheal cross-sectional areas over 24 months (p ≤ 0.0001).
Tracheal growth rates were higher in the first 6 months (21.0 mm²/year midtrachea, 18.5 mm²/year distal trachea) and slowed thereafter.
Tracheal size showed a significant positive correlation with weight (r²=0.257), height (r²=0.376), and body surface area (r²=0.315).
Balloon dilation did not significantly impact tracheal growth within the first two years.

Conclusions:

Slide tracheoplasty does not impede tracheal growth.
The reconstructed trachea exhibits accelerated growth in the initial six months, followed by a slower rate.
Patient anthropometrics (weight, height, body surface area) are significant positive predictors of tracheal cross-sectional area.