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  Discussion on Research Summary: Endoscopic laser ventriculocordectomy for laryngeal hemiplegia
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Posted on Thursday, Jan 31, 2008 - 11:41 am:

Here is great news for those horses that suffer from laryngeal hemiplegia (LH). A relatively simple procedure using an endoscopically guided laser that removes the laryngeal saccules had a high rate of success and relatively low incidence of complications when compared with more traditional surgeries. For more details on this see the article by selecting Laryngeal Hemiplegia off the navigation bar above. We have done a major upgraded of this article in response to this work.

J Am Vet Med Assoc. 2007 Dec 15;231(12):1868-72.
Transendoscopic, laser-assisted ventriculocordectomy for treatment of left laryngeal hemiplegia in horses: 22 cases (1999-2005).

Henderson CE, Sullins KE, Brown JA.

Marion DuPont Scott Equine Medical Center, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic and State University, Leesburg, VA 20177.

Objective-To determine long-term effects of transendoscopic, laser-assisted ventriculocordectomy (LAVC) on airway noise and performance in horses with naturally occurring left laryngeal hemiplegia. Design-Retrospective case series. Animals-22 horses with left laryngeal hemiplegia treated by means of LAVC. Procedures-Medical records were reviewed and initial complaint, intended use of the horse, duration of abnormal airway noise, preoperative performance level, endoscopic findings, surgical procedure, postoperative treatment, and complications were recorded. Follow-up telephone interviews with owners and trainers were conducted to determine time for return to intended use, level of postoperative performance, and percentage reduction in airway noise. Results-All horses were examined because of excessive airway noise; 10 (45%) had concurrent exercise intolerance. Left ventriculocordectomy was performed in all 22 horses; bilateral ventriculocordectomy (right ventriculocordectomy was done 1 year later) was performed in 1 horse (5%). Complications occurred in 3 (14%) horses. Twenty (91%) horses returned to their intended use. Excessive airway noise was eliminated after surgery in 18 (82%) horses; exercise intolerance improved postoperatively in 8 of 10 horses. Three racing Thoroughbreds returned to racing; 1 additional racehorse returned to racing but required a laryngoplasty 1 year later to continue racing. Conclusions and Clinical Relevance-Results suggested that LAVC was an effective procedure for elimination of excessive airway noise and improvement of performance in horses with left laryngeal hemiplegia.
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