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An Animal Study

George H. Zalzal, MD; Ellen Deutsch, MD

Arch Otolaryngol Head Neck Surg. 1991;117(2):155-159.

Abstract
• Management of severe laryngotracheal stenosis requires treatment with open laryngeal surgical approaches. Performing the necessary anterior, and possibly posterior, incisions to expand the cricoid and tracheal rings causes instability of the segments. Placing an intraluminal stent has several disadvantages, ranging from injury of healthy tissue to airway obstruction. The availability of an external stent would avoid many of these complications. We performed expansion laryngeal surgery in dogs and explored the use of microplates for external fixation and determined the surgical outcome if no fixation is used. The results show that microplates are very effective in maintaining external fixation and that a need for placing an intraluminal stent when a posterior cricoid split is performed exists.

(Arch Otolaryngol Head Neck Surg. 1991;117:155-159)

Author Affiliations
From the Department of Pediatric Otolaryngology, Children's National Medical Center and George Washington University, Washington, DC.

Footnotes
Accepted for publication September 4, 1990.

Presented at the annual meeting of the American Society of Pediatric Otolaryngology, Toronto, Ontario, May 17, 1990.

Reprint requests to Department of Otolaryngology, Children's National Medical Center, 111 Michigan Ave NW, Washington, DC 20010 (Dr Zalzal).

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