Structural Stability of the Rotary Door Myocutaneous Flap

This canine study examines the structural stability of extensive laryngotracheal reconstruction with the sternohyoid myocutaneous rotary door flap (RDF) and modifications of the RDF with subdermal collagen and collagen hydroxyapatite matrix. The postre‐construction stability of the RDF and these mod...

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Bibliographic Details
Published in:The Laryngoscope 1998-03, Vol.108 (3), p.385-392
Main Authors: Papay, Frank A., Eliachar, Isaac, Stein, Jeannine M., Sebek, Bruce A., Ramirez, Hector M., Tucker, Harvey M.
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Biomechanical Phenomena
Dogs
Head and neck surgery. Maxillofacial surgery. Dental surgery. Orthodontics
Larynx - physiopathology
Larynx - surgery
Male
Medical sciences
Postoperative Care
Pressure
Reconstructive Surgical Procedures - methods
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgery of the upper aerodigestive tract
Surgical Flaps - pathology
Trachea - surgery
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Summary:This canine study examines the structural stability of extensive laryngotracheal reconstruction with the sternohyoid myocutaneous rotary door flap (RDF) and modifications of the RDF with subdermal collagen and collagen hydroxyapatite matrix. The postre‐construction stability of the RDF and these modifications were tested and compared by measuring immediate postmortem airway stability during application of negative intraluminal pressures. Comparisons between controls and experimental specimens demonstrated that the RDF provides structural stability to secure airway patency under physiologic pressures. Biocompatible matrix adds further structural support in maintenance of the reconstructed lumen. This study validates that the RDF provides adequate rigid support for extensive laryngotracheal reconstruction without the requirement of skeletal support.
ISSN:0023-852X
1531-4995
DOI:10.1097/00005537-199803000-00014