Difference between revisions of "Paralytic Ileus"
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* A common condition. | * A common condition. | ||
* Occurs following trauma or abdominal surgery. | * Occurs following trauma or abdominal surgery. | ||
| − | * Stasis of gut flow due to failure of | + | * Stasis of gut flow due to failure of peristalsis. |
** Leads to distension with gas and fluid, as well as a flaccid intestinal wall. | ** Leads to distension with gas and fluid, as well as a flaccid intestinal wall. | ||
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[[Category:Intestine - Functional Obstruction]] | [[Category:Intestine - Functional Obstruction]] | ||
| + | [[Category:To_Do_-_Clinical]] | ||
Latest revision as of 16:15, 17 December 2010
- A common condition.
- Occurs following trauma or abdominal surgery.
- Stasis of gut flow due to failure of peristalsis.
- Leads to distension with gas and fluid, as well as a flaccid intestinal wall.
Causes
- Anything which stops peristalsis, e.g.
- Damage to nerve supply to intestine (autonomic nervous system)
- Pain
- Abnormal metabolism
- Toxaemia
- Electrolyte imbalance such as hypocalcaemia, hypomagnesaemia, and hypokalaemia.
- Also in
- Diabetes mellitus
- Uraemia
- Tetanus
- Lead poisoning.
Pathology
- loss of smooth muscle tone leads to a flaccid bowel.
- Bowel is distended with fluid.
Pathogenesis
- Intestine susceptible to neurogenic damage during an operation.
- Peristalsis fades away over a few days producing paralytic (adynamic) ileus.
- Particularly occurs if bowel handled roughly, or if serosa gets cold and dry at surgery.
- Very difficult to start peristalsis again but will sometimes respond to pharmacological or electrical stimulation.
- The horse is very susceptible, and the dog is somewhat suscpeitble.