The dog was anesthetized, and balloon dilatation of the stenosis was performed. Prednisone was prescribed for 4 weeks after the procedure to decrease fibrous tissue formation.
Although the dog was initially improved, signs recurred 3.5 weeks later, and balloon dilatation was repeated.
This time, however, triamcinolone was injected into the area of stenosis at the end of the dilatation procedure.
Two months later, although the dog did not have clinical signs of stridor, a third dilatation procedure was performed because mild stenosis was seen on follow-up computed tomographic images; again, triamcinolone was injected into the area of stenosis at the end of the dilatation procedure.
Three and 6 months after the third dilatation procedure, the dog reportedly was clinically normal. These findings suggest that balloon dilatation may be an effective treatment for nasopharyngeal stenosis in dogs.
Source: Berent AC, Kinns J, Weisse C. (2007): Balloon dilatation of nasopharyngeal stenosis in a dog. In: J Am Vet Med Assoc. 2006 Aug 1;229(3):385-8.
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