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Open Access Complications of Ileal Cannulation in Cats

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Background and Purpose: The anatomic position of the ileum is such that use of simple, noninvasive sampling techniques is difficult. Sampling of ileal contents by use of a cannula provides information about those contents—digestibility and fermentation patterns; however, complications with use of cannulas in horses and dogs have been reported. Therefore, cats were chosen as a laboratory model in which to study ileal cannulation.

Methods: Simple T-piece cannulas were surgically placed in the ileum of six adult cats.

Results: Postsurgical complications included cannula displacement and leakage, with subsequent abscessation and skin inflammation. Owing to these complications, the cannulas were removed from four of the six cats. Similar complications developed after removal of the cannulas. In the only attempt to collect a sample, obtaining a 0.5-ml sample of ileal fluid from one cannula took 3 h. Of the six cats, four died or were euthanized.

Conclusion: Use of cannulas is not a viable technique of collecting ileal fluid samples in cats.

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Document Type: Research Article

Affiliations: Department of Clinical Sciences, The University of Tennessee, College of Veterinary Medicine, Knoxville, Tennessee

Publication date: 1999-08-01

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  • Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.

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