Document Detail

Persistent dorsal displacement of the soft palate attributable to a frenulum of the epiglottis in a racing Thoroughbred.
MedLine Citation:
PMID:  17764438     Owner:  NLM     Status:  MEDLINE    
CASE DESCRIPTION: A 7-year-old sexually intact male Thoroughbred racehorse was evaluated because of exercise intolerance, respiratory tract noise, and coughing when eating. CLINICAL FINDINGS: A persistent dorsal displacement of the soft palate was identified during endoscopic examination of the upper portions of the respiratory tract. Radiography of the pharyngeal and laryngeal regions revealed a hypoplastic epiglottis that was ventral to, and not in contact with, the soft palate. The horse was anesthetized, and an oral endoscopic examination revealed a subepiglottic frenulum that had resulted in the dorsal displacement of the soft palate. TREATMENT AND OUTCOME: The frenulum was transected transendoscopically by use of a diode laser. Twenty-four hours following surgery, repeat endoscopic and radiographic examinations revealed that the epiglottis had returned to its correct anatomic position in relation to the soft palate. Four weeks after surgery, endoscopy of the upper portions of the airway revealed recurrence of the dorsal displacement of the soft palate. CLINICAL RELEVANCE: A subepiglottic frenulum should be considered as a cause of persistent dorsal displacement of the soft palate in horses. An endoscopic examination of the oropharyngeal region should be performed in horses prior to undertaking any surgical interventions to treat persistent dorsal displacement of the soft palate.
Valerie J Moorman; John F Marshall; Henry W Jann
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  231     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-09-03     Completed Date:  2007-10-09     Revised Date:  2007-12-27    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  751-4     Citation Subset:  IM    
Center for Veterinary Health Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078, USA.
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MeSH Terms
Endoscopy / veterinary
Epiglottis / abnormalities*,  surgery
Exercise Test / veterinary
Horse Diseases / surgery*
Laryngeal Diseases / surgery,  veterinary*
Lingual Frenum / abnormalities*,  surgery
Mouth Diseases / surgery,  veterinary*
Palate, Soft / abnormalities*,  surgery
Physical Conditioning, Animal
Treatment Outcome
Comment In:
J Am Vet Med Assoc. 2007 Nov 1;231(9):1336   [PMID:  18050539 ]

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

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