Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Κυριακή 30 Ιανουαρίου 2022

A Tissue Engineered Construct for Laryngeal Regeneration: A Proof‐of‐Concept Device Design Study

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Objectives/Hypothesis

Develop a patient-specific tissue engineered construct for laryngeal reconstruction following a partial laryngectomy.

Study Design

Bench and animal research.

Methods

A construct made from a porous polyethylene scaffold shaped in a canine-specific configuration and seeded with autologous canine adipose-derived stem cells in fibrin glue was implanted in a canine following a partial laryngectomy. After 1 year, the construct was first evaluated in vivo with high-speed imaging and acoustic–aerodynamic measures. It was then explanted and evaluated histologically.

Results

The canine study at 1 year revealed the construct provided voicing (barking) with acoustic and aerodynamic measures within normal ranges. The canine was able to eat and breathe normally without long-term support. The construct was integrated with epithelialization of all areas except the medial portion of the vocal fold structure. No anti-infective agents were needed after the standard perioperative medications were completed.

Conclusion

This study provided a successful first step toward developing a patient-specific composite construct for patients undergoing partial laryngectomies.

Level of Evidence

Not Applicable Laryngoscope, 2022

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