Canine Gastrointestinal Foreign Body Study Guide
Overview and Clinical Importance
Gastrointestinal (GI) foreign bodies are one of the most common emergency presentations in canine practice and represent a significant category on the NAVLE examination. Foreign body ingestion occurs when dogs swallow non-digestible objects that become lodged in the esophagus, stomach, or intestines, preventing normal passage of food and waste through the GI tract. Without timely intervention, GI foreign bodies can lead to dehydration, electrolyte imbalances, intestinal necrosis, perforation, septic peritonitis, and death.
Ingestion of a foreign body accounts for approximately 80% of cases of mechanical small intestinal obstruction in dogs. A large retrospective study identified the jejunum as the most common location (29%), followed by the stomach (24%), duodenum (24%), ileum (18%), and colon (6%). Understanding the clinical presentation, diagnostic approach, and surgical management of GI foreign bodies is essential for NAVLE success.
Etiology and Predisposing Factors
Breed Predispositions
Certain breeds are notorious for indiscriminate eating behavior and are considered "repeat offenders" for foreign body ingestion:
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