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Tracheal Collapse - Donkey (view source)
Revision as of 12:36, 13 February 2010
, 12:36, 13 February 2010New page: {{review}} {{toplink |backcolour = D1EEEE |linkpage =Upper Respiratory Tract Disorders - Donkey |linktext =Upper Respiratory Tract Disorders - Donkey |rspace={{Donkey}} |pagetype=Donkey }}...
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[[Image:Dyspnoea donkey.jpg|right|thumb|250px|<small><center>Dyspnoea and 'open mouth' breathing associated with tracheal collapse (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Collapsed trachea donkey.jpg|right|thumb|250px|<small><center>Collapsed trachea (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
Tracheal disease is uncommon, but age-related degeneration of the tracheal rings and cartilage may present as '''tracheal collapse''' in older animals. As the cartilage becomes brittle and less elastic, dorso-ventral collapse occurs. The donkey may present with a chronic honking cough, or sudden acute respiratory distress and severe inspiratory and expiratory dyspnoea;
vibrations may be felt over the ventral cervical trachea. On X-ray, dramatic narrowing of the trachea is evident. The site of the collapse is often at the thoracic inlet and has also been found at the tracheal bifurcation and mid-trachea.
Pre-existing lowe respiratory tract disease leads to increased airway pressure changes and exacerbates tracheal collapse. Treatment of severe acute cases is generally not possible, as a tracheostomy may not bypass distal lesions and will increase mucosal swelling and oedema. '''Euthanasia''' is advisable. In mild or chronic cases, airways should be kept as healthy as possible by <u>clean air management with the use of bronchodilators and anti-inflammatories as required</u>. ''''Dexamethasone and frusemide''' may limit mucosal swelling and help reduce co-existing pulmonary oedema.
==References==
* Thiemann, A. (2008) Respiratory problems In Svendsen, E.D., Duncan, J. and Hadrill, D. (2008) ''The Professional Handbook of the Donkey'', 4th edition, Whittet Books, Chapter 7
{{toplink
|backcolour = D1EEEE
|linkpage =Upper Respiratory Tract Disorders - Donkey
|linktext =Upper Respiratory Tract Disorders - Donkey
|rspace={{Donkey}}
|pagetype=Donkey
}}
[[Image:Dyspnoea donkey.jpg|right|thumb|250px|<small><center>Dyspnoea and 'open mouth' breathing associated with tracheal collapse (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Collapsed trachea donkey.jpg|right|thumb|250px|<small><center>Collapsed trachea (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
Tracheal disease is uncommon, but age-related degeneration of the tracheal rings and cartilage may present as '''tracheal collapse''' in older animals. As the cartilage becomes brittle and less elastic, dorso-ventral collapse occurs. The donkey may present with a chronic honking cough, or sudden acute respiratory distress and severe inspiratory and expiratory dyspnoea;
vibrations may be felt over the ventral cervical trachea. On X-ray, dramatic narrowing of the trachea is evident. The site of the collapse is often at the thoracic inlet and has also been found at the tracheal bifurcation and mid-trachea.
Pre-existing lowe respiratory tract disease leads to increased airway pressure changes and exacerbates tracheal collapse. Treatment of severe acute cases is generally not possible, as a tracheostomy may not bypass distal lesions and will increase mucosal swelling and oedema. '''Euthanasia''' is advisable. In mild or chronic cases, airways should be kept as healthy as possible by <u>clean air management with the use of bronchodilators and anti-inflammatories as required</u>. ''''Dexamethasone and frusemide''' may limit mucosal swelling and help reduce co-existing pulmonary oedema.
==References==
* Thiemann, A. (2008) Respiratory problems In Svendsen, E.D., Duncan, J. and Hadrill, D. (2008) ''The Professional Handbook of the Donkey'', 4th edition, Whittet Books, Chapter 7