Tags

Type your tag names separated by a space and hit enter

Retrospective study investigating causes of abnormal respiratory noise in horses following prosthetic laryngoplasty.
Equine Vet J Suppl. 2012 DecEV

Abstract

REASONS FOR PERFORMING THE STUDY

To investigate causes of respiratory noises in horses following prosthetic laryngoplasty (with or without a ventriculocordectomy) and to examine potential associations between degree of arytenoid abduction and the presence of other upper respiratory tract (URT) abnormalities, including right-sided collapse.

METHODS

Clinical records and dynamic videoendoscopic recordings were examined from horses presented between 1995 and 2010 for investigation of respiratory noise during exercise, following a prosthetic laryngoplasty (+/- a ventriculocordectomy). Relationships between the degree of left arytenoid cartilage abduction and the presence of other URT disorders were investigated.

RESULTS

Thirty horses matched the inclusion criteria. All horses had previously undergone a prosthetic laryngoplasty in different hospitals and in 63% (19/30) of these horses a left-sided ventriculocordectomy had also been performed. The majority of cases (87%) had multiple respiratory abnormalities and only 13% had a single URT disorder. Palatal dysfunction was the most common diagnosis (83%), followed by axial deviation of the aryepiglottic folds (60%) and vocal cord collapse (43%). The right arytenoid cartilage was fully abducted in all cases and no statistically significant correlation between the degree of left arytenoid abduction and any other URT disorders was detected.

CONCLUSIONS

Multiple forms of dynamic URT disorders were diagnosed in horses that presented with abnormal respiratory noise following laryngoplasty. There was no association between degree of left arytenoid abduction and other URT abnormalities. Furthermore, horses with suboptimal left arytenoid cartilage abduction were not predisposed to right-sided laryngeal collapse.

CLINICAL RELEVANCE

Our results demonstrate the fundamental role of dynamic endoscopy in correctly diagnosing dynamic airway collapse in horses that have undergone surgical treatment of the upper respiratory tract.

Authors+Show Affiliations

Langford Equine Hospital, University of Bristol, Somerset, UK. f.compostella@yahoo.comNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23447874

Citation

Compostella, F, et al. "Retrospective Study Investigating Causes of Abnormal Respiratory Noise in Horses Following Prosthetic Laryngoplasty." Equine Veterinary Journal. Supplement, 2012, pp. 27-30.
Compostella F, Tremaine WH, Franklin SH. Retrospective study investigating causes of abnormal respiratory noise in horses following prosthetic laryngoplasty. Equine Vet J Suppl. 2012.
Compostella, F., Tremaine, W. H., & Franklin, S. H. (2012). Retrospective study investigating causes of abnormal respiratory noise in horses following prosthetic laryngoplasty. Equine Veterinary Journal. Supplement, (43), 27-30.
Compostella F, Tremaine WH, Franklin SH. Retrospective Study Investigating Causes of Abnormal Respiratory Noise in Horses Following Prosthetic Laryngoplasty. Equine Vet J Suppl. 2012;(43)27-30. PubMed PMID: 23447874.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Retrospective study investigating causes of abnormal respiratory noise in horses following prosthetic laryngoplasty. AU - Compostella,F, AU - Tremaine,W H, AU - Franklin,S H, PY - 2013/3/2/entrez PY - 2013/3/2/pubmed PY - 2013/3/27/medline SP - 27 EP - 30 JF - Equine veterinary journal. Supplement JO - Equine Vet J Suppl IS - 43 N2 - REASONS FOR PERFORMING THE STUDY: To investigate causes of respiratory noises in horses following prosthetic laryngoplasty (with or without a ventriculocordectomy) and to examine potential associations between degree of arytenoid abduction and the presence of other upper respiratory tract (URT) abnormalities, including right-sided collapse. METHODS: Clinical records and dynamic videoendoscopic recordings were examined from horses presented between 1995 and 2010 for investigation of respiratory noise during exercise, following a prosthetic laryngoplasty (+/- a ventriculocordectomy). Relationships between the degree of left arytenoid cartilage abduction and the presence of other URT disorders were investigated. RESULTS: Thirty horses matched the inclusion criteria. All horses had previously undergone a prosthetic laryngoplasty in different hospitals and in 63% (19/30) of these horses a left-sided ventriculocordectomy had also been performed. The majority of cases (87%) had multiple respiratory abnormalities and only 13% had a single URT disorder. Palatal dysfunction was the most common diagnosis (83%), followed by axial deviation of the aryepiglottic folds (60%) and vocal cord collapse (43%). The right arytenoid cartilage was fully abducted in all cases and no statistically significant correlation between the degree of left arytenoid abduction and any other URT disorders was detected. CONCLUSIONS: Multiple forms of dynamic URT disorders were diagnosed in horses that presented with abnormal respiratory noise following laryngoplasty. There was no association between degree of left arytenoid abduction and other URT abnormalities. Furthermore, horses with suboptimal left arytenoid cartilage abduction were not predisposed to right-sided laryngeal collapse. CLINICAL RELEVANCE: Our results demonstrate the fundamental role of dynamic endoscopy in correctly diagnosing dynamic airway collapse in horses that have undergone surgical treatment of the upper respiratory tract. UR - https://www.unboundmedicine.com/medline/citation/23447874/Retrospective_study_investigating_causes_of_abnormal_respiratory_noise_in_horses_following_prosthetic_laryngoplasty_ DB - PRIME DP - Unbound Medicine ER -