Preliminary study of laryngeal sacculectomy in horses, using a neodymium:yttrium aluminum garnet laser technique

G. M. H. Shires From the Departments of Rural Practice and Pathobiology, College of Veterinary Medicine, University of Tennessee, PO Box 1071, Knoxville, TN 37901-1071.

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 BVSc, MS
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H. S. Adair From the Departments of Rural Practice and Pathobiology, College of Veterinary Medicine, University of Tennessee, PO Box 1071, Knoxville, TN 37901-1071.

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C. S. Patton From the Departments of Rural Practice and Pathobiology, College of Veterinary Medicine, University of Tennessee, PO Box 1071, Knoxville, TN 37901-1071.

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 DVM, MS

SUMMARY

In an attempt to ablate the laryngeal saccule as an alternative method of sacculectomy (conventially done through a laryngotomy incision for laryngeal hemiplegia) a neodymium:yttrium aluminum garnet laser was used transendoscopically in noncontact fashion in 6 horses. The procedure was easy, quick, and labor-saving, with few complications.

Endoscopically, the lased sacculectomy site appeared healed at postsurgical day 42. On postsurgical day 42, microscopic examination revealed mucosal remnants under the granulation bed. Laser energy caused thermal damage to tissues adjacent to the lased saccule. Additional work must be done to refine the technique before it can be recommended for clinical applications.

SUMMARY

In an attempt to ablate the laryngeal saccule as an alternative method of sacculectomy (conventially done through a laryngotomy incision for laryngeal hemiplegia) a neodymium:yttrium aluminum garnet laser was used transendoscopically in noncontact fashion in 6 horses. The procedure was easy, quick, and labor-saving, with few complications.

Endoscopically, the lased sacculectomy site appeared healed at postsurgical day 42. On postsurgical day 42, microscopic examination revealed mucosal remnants under the granulation bed. Laser energy caused thermal damage to tissues adjacent to the lased saccule. Additional work must be done to refine the technique before it can be recommended for clinical applications.

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