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  • Title: Risk factors and outcome of bougienage for treatment of benign esophageal strictures in dogs and cats: 28 cases (1995-2004).
    Author: Bissett SA, Davis J, Subler K, Degernes LA.
    Journal: J Am Vet Med Assoc; 2009 Oct 01; 235(7):844-50. PubMed ID: 19793015.
    Abstract:
    OBJECTIVE: To determine outcome of bougienage for treatment of benign esophageal stricture (BES) in dogs and cats and identify risk factors for the condition. DESIGN: Retrospective case series. ANIMALS: 20 dogs and 8 cats with BES. PROCEDURES: Medical records were reviewed for information on signalment, clinical features, and outcome. Long-term outcome information was obtained with a questionnaire. RESULTS: Esophageal bougienage was performed with dilators ranging from 5 to 15 mm in diameter; median numbers of bougienage procedures were 3 (dogs) and 4.5 (cats). A good outcome, defined as tolerance of solid food with regurgitation less than once a week, was achieved in 14 dogs and 6 cats. Complications were minimal, with nonfatal esophageal perforation occurring in 1 cat. Four dogs and 1 cat were euthanized or died because of esophageal disease. Dogs with BES were more likely to be female, have a recent history of general anesthesia, have received an antimicrobial orally, or have a history of vomiting than were dogs in a reference population. Cats with BES were more likely to have a recent history of general anesthesia, vomiting, or gastrointestinal tract trichobezoars than were cats in a reference population. Doxycycline-induced esophagitis was the suspected cause of BES in 3 cats. Although general anesthesia was associated with development of BES in 18 dogs and 5 cats, concurrent potential causes of esophageal injury were common. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that esophageal bougienage was a safe and effective treatment for most dogs and cats with BES, with outcomes similar to those reported for balloon dilation.
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