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  Discussion on Research Summary: Ileus as a cause of colic in the post parturient mare
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DrO

Posted on Monday, Jul 28, 2008 - 3:09 pm:

Here is described a new condition following foaling that causes colic: ileus of the stomach and small bowel. Ileus is when motility is decreases and does not allow for normal emptying. This is important as it can cause the stomach to rupture. So all post-foaling colics should have a stomach tube passed and checked for fluid on the stomach. If found the fluid should be emptied.
DrO

Equine Vet J. 2008 Apr 11;
Gastric and small intestinal ileus as a cause of acute colic in the post parturient mare.

Hillyer MH, Smith MR, Milligan PJ.

Newmarket Equine Hospital, Greenwood Ellis and Partners, 166 High Street, Newmarket, Suffolk CB8 9WS, UK.

Reasons for performing study: Ileus (functional obstruction of aboral gastrointestinal transit) is an uncommon cause of gastrointestinal dysfunction and colic in the horse. A number of specific conditions have been previously reported in association with ileus. This report describes the recognition of primary gastric and small intestinal ileus of undetermined cause in a series of post parturient mares. Objectives: To describe the clinical features, treatment and outcome of a series of episodes of primary gastric and small intestinal ileus. Methods: A retrospective study was performed of colic episodes seen in an equine practice in Newmarket, UK over a 6 year period (2002-2007). Results: Seventeen episodes of gastric and small intestinal ileus were identified, which occurred in 15 horses. All episodes occurred in post parturient mares. No previously reported cause of ileus was identified in any of the episodes. Fifteen of the 17 episodes received medical treatment (medical support and nasogastric decompression) and, in addition, surgical decompression was performed in 9 episodes. Two mares were subjected to euthanasia before treatment due to the presence of gastric rupture and the remaining 13 mares survived with a follow-up period of at least 10 months. Two mares suffered a further episode of gastric and small intestinal ileus, one4 days and the other 2 years after the initial episode. Conclusions: Gastric and small intestinal ileus of, as yet, unknown aetiology appears to be a potential cause of acute colic in the post parturient mare. The outcome following treatment by decompression is good. Potential relevance: Knowledge of this condition should allow early recognition and successful treatment of future episodes. Further epidemiological studies are needed to allow the aetiology of the condition to be determined.
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