Dynamic obstructions of the equine upper respiratory tract

Dysfunction of the upper respiratory tract is a common cause of impaired performance and intolerance to exercise in racehorses and include several upper airway obstructions. The ones termed dynamic obstructions are primarily seen during physical exertion and affected horses often appear to be normal...

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Autor principal: Odelros, Emma
Formato: M2
Lenguaje:Inglés
sueco
Publicado: SLU/Dept. of Biomedical Sciences and Veterinary Public Health (until 231231) 2012
Materias:
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author Odelros, Emma
author_browse Odelros, Emma
author_facet Odelros, Emma
author_sort Odelros, Emma
collection Epsilon Archive for Student Projects
description Dysfunction of the upper respiratory tract is a common cause of impaired performance and intolerance to exercise in racehorses and include several upper airway obstructions. The ones termed dynamic obstructions are primarily seen during physical exertion and affected horses often appear to be normal during endoscope examination at rest. The correlation between diagnoses made at rest respectively exercise is low, suggesting that an examination at rest alone is likely to be insufficient. The upper respiratory tract is exposed to great differences in pressure throughout the respiratory cycle; variations that are further altered during strenuous exercise and affect the rigidity of upper airway structures. In presence of great fluctuations in pressure, stability is achieved through coordinated and synchronous neuromuscular mechanisms. Due to nerve damage or anatomical abnormalities, these functions may be disrupted and further cause a dynamic collapse of the upper respiratory tract when pressure changes become too severe. The etiology behind the neuromuscular dysfunction is not yet fully understood. Since the underlying cause of the obstructions is unknown, further studies are required in order to prevent the dynamic collapses from occurring in the future.
format M2
id RepoSLU4161
institution Swedish University of Agricultural Sciences
language Inglés
swe
publishDate 2012
publishDateSort 2012
publisher SLU/Dept. of Biomedical Sciences and Veterinary Public Health (until 231231)
publisherStr SLU/Dept. of Biomedical Sciences and Veterinary Public Health (until 231231)
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spelling RepoSLU41612012-04-30T11:10:30Z Dynamic obstructions of the equine upper respiratory tract Obstruktiva problem i övre luftvägarna hos häst Odelros, Emma häst svalg dysfunktion obstruktion struppipning DDSP etiologi orsak Dysfunction of the upper respiratory tract is a common cause of impaired performance and intolerance to exercise in racehorses and include several upper airway obstructions. The ones termed dynamic obstructions are primarily seen during physical exertion and affected horses often appear to be normal during endoscope examination at rest. The correlation between diagnoses made at rest respectively exercise is low, suggesting that an examination at rest alone is likely to be insufficient. The upper respiratory tract is exposed to great differences in pressure throughout the respiratory cycle; variations that are further altered during strenuous exercise and affect the rigidity of upper airway structures. In presence of great fluctuations in pressure, stability is achieved through coordinated and synchronous neuromuscular mechanisms. Due to nerve damage or anatomical abnormalities, these functions may be disrupted and further cause a dynamic collapse of the upper respiratory tract when pressure changes become too severe. The etiology behind the neuromuscular dysfunction is not yet fully understood. Since the underlying cause of the obstructions is unknown, further studies are required in order to prevent the dynamic collapses from occurring in the future. SLU/Dept. of Biomedical Sciences and Veterinary Public Health (until 231231) 2012 M2 eng swe https://stud.epsilon.slu.se/4161/
spellingShingle häst
svalg
dysfunktion
obstruktion
struppipning
DDSP
etiologi
orsak
Odelros, Emma
Dynamic obstructions of the equine upper respiratory tract
title Dynamic obstructions of the equine upper respiratory tract
title_full Dynamic obstructions of the equine upper respiratory tract
title_fullStr Dynamic obstructions of the equine upper respiratory tract
title_full_unstemmed Dynamic obstructions of the equine upper respiratory tract
title_short Dynamic obstructions of the equine upper respiratory tract
title_sort dynamic obstructions of the equine upper respiratory tract
topic häst
svalg
dysfunktion
obstruktion
struppipning
DDSP
etiologi
orsak