Document Detail

Clinical experiences with axial deviation of the aryepiglottic folds in 52 racehorses.
MedLine Citation:
PMID:  11230769     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To describe the clinical findings in 52 racehorses with axial deviation of the aryepiglottic folds (ADAF) and to report outcome in 33 of these horses after either rest or transendoscopic laser excision of aryepiglottic fold tissue.
STUDY DESIGN: Retrospective study.
ANIMAL OR SAMPLE POPULATION: Racehorses admitted for high-speed treadmill (HST) evaluation of poor performance.
METHODS: Medical records and videotapes of resting and exercising videoendoscopic examinations were reviewed. Racing performance records and owner or trainer interviews, at least 1 year after HST examination, were used to compare results after either surgical management or rest in 33 horses with ADAF and no other upper-airway abnormalities.
RESULTS: ADAF occurred in 6% of horses evaluated for poor performance. No breed or gender predisposition existed, but horses with ADAF were younger than the overall population evaluated on the HST. Of 52 horses with ADAF, 19 horses had at least one other upper-airway abnormality. There was no apparent association between ADAF and other causes of dynamic upper-respiratory obstruction. Surgical correction was successfully performed in standing or anesthetized horses without complications. When ADAF was the only upper-airway obstruction, 75% of horses that had surgery and 50% of rested horses had objective improvement in performance. Owners and trainers also perceived greater improvement in performance in horses that had surgery.
CONCLUSIONS: Whereas surgical management of ADAF is recommended, clinical experience indicated that it is not required to resolve ADAF in all horses. However, owners and trainers of horses that had surgery were more satisfied with outcome than those with horses managed conservatively.
CLINICAL RELEVANCE: Diagnosis of ADAF can only be made by videoendoscopic evaluation during high-speed exercise. Transendoscopic laser excision of the collapsing portion of the aryepiglottic folds can be performed safely in standing horses and results in resolution of airway obstruction and rapid return to training.
D S King; E Tulleners; B B Martin; E J Parente; R Boston
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Veterinary surgery : VS     Volume:  30     ISSN:  0161-3499     ISO Abbreviation:  Vet Surg     Publication Date:    2001 Mar-Apr
Date Detail:
Created Date:  2001-03-20     Completed Date:  2001-05-03     Revised Date:  2014-07-28    
Medline Journal Info:
Nlm Unique ID:  8113214     Medline TA:  Vet Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  151-60     Citation Subset:  IM    
Copyright Information:
Copyright 2001 by The American College of Veterinary Surgeons.
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MeSH Terms
Airway Obstruction / surgery,  veterinary*
Epiglottis / abnormalities*,  surgery*
Exercise Test / veterinary
Horse Diseases / surgery*
Laser Therapy / veterinary
Physical Conditioning, Animal
Records as Topic / veterinary
Retrospective Studies
Treatment Outcome
Videotape Recording

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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