Korean J Vet Res.  2019 Mar;59(1):25-31. 10.14405/kjvr.2019.59.1.25.

Risk factors predicting development of complications in 72 dogs with esophageal foreign bodies

  • 1Veterinary Medical Center, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea. jhkang@chungbuk.ac.kr


The aim of this study was to determine predictive risk factors implicated in complications in dogs with esophageal foreign bodies. Medical records of 72 dogs diagnosed with esophageal foreign bodies by endoscopy were reviewed retrospectively. Factors analyzed included age; breed; gender; body weight, location, dimension, and type of foreign body; and duration of impaction. To identify risk factors associated with complications after foreign body ingestion, categorical variables were analyzed using the chi-square or Fisher's exact tests and multivariate analysis, as appropriate. Complications secondary to esophageal foreign body ingestion included megaesophagus, esophagitis, perforation, laceration, diverticulum, and pleuritis. Univariate analysis revealed that the location and duration of impaction after foreign body ingestion were associated with an increased risk of esophageal laceration and perforation. Multivariate analysis showed that age, duration of impaction, and foreign body dimension were significant independent risk factors associated with the development of complications in dogs with esophageal foreign bodies. In conclusion, these results showed that longer duration of impaction and larger foreign body dimensions may increase the risks of esophageal laceration, perforation, and plueritis in dogs.


endoscopy; esophagitis; esophageal diverticulum; esophageal perforation; pleuritis
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