Neodymium:yttrium aluminum garnet laser ventriculocordectomy in standing horses

American Journal of Veterinary Research
J F Hawkins, L Andrews-Jones

Abstract

To develop a technique for neodymium:yttrium-aluminum-garnet (Nd:YAG) laser ventriculocordectomy in standing horses and document healing in horses undergoing laser ventriculocordectomy. 6 horses between 2 and 32 years old. Under endoscopic guidance, the left laryngeal ventricle was everted with grasping forceps and excised with an Nd:YAG laser, using 60 watts of power in a noncontact fashion (6,403 to 9,197 Joules). Following removal of the ventricle, the vocal cord was photoablated. Horses were examined endoscopically 2, 7, 14, 21, 30, and 47 days after ventriculocordectomy, and 1 horse was euthanatized on each of these days. At necropsy, the larynx was removed intact and examined grossly. Samples were collected for histologic examination of the ventriculocordectomy site. Endoscopic examination revealed granulation tissue by day 7, the start of epithelialization by day 21, and healing by day 47. At necropsy, 4 horses were found to have a small amount of ventricular mucosa remaining dorsally and 1 additional horse was found to have a mucocele. Granulation tissue was identified grossly and histologically in the horses euthanatized between 7 and 30 days after surgery. Incipient reepithelialization was evident histologically on da...Continue Reading

References

Apr 1, 1991·The Veterinary Clinics of North America. Equine Practice·L P Tate
Nov 1, 1990·Veterinary Surgery : VS·T C BohanonJ T Robertson
Jul 1, 1996·The Veterinary Clinics of North America. Food Animal Practice·L J Hutchinson

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Citations

Dec 18, 2007·Journal of the American Veterinary Medical Association·Cortney E HendersonJennifer A Brown
May 16, 2003·The Veterinary Clinics of North America. Equine Practice·Celia L M Davenport-Goodall, Eric J Parente
Nov 28, 2006·Equine Veterinary Journal·P RobinsonN E Robinson
Aug 24, 2005·Veterinary Surgery : VS·Jennifer A BrownN Edward Robinson
Oct 16, 2018··Joseph Bartges, Joseph Bartges

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