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Lateral rhinostomy for treatment of severe chronic rhinosinusitis in two rabbits

Louden Wright DVM1 and Christoph Mans DR MED VET2
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  • 1 Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706.
  • | 2 Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706.

Abstract

CASE DESCRIPTION 2 client-owned rabbits were evaluated for signs of chronic upper respiratory tract disease.

CLINICAL FINDINGS Clinical signs had been present for 3 weeks and 4 years and included mucopurulent nasal discharge, right-sided maxillary swelling, recurrent dacryocystitis, and intermittent sneezing. One rabbit had been treated with nasolacrimal duct lavage and topical and systemic antimicrobial administration without resolution of clinical signs. Results of CT of the head in both cases indicated severe rhinosinusitis.

TREATMENT AND OUTCOME Both rabbits underwent unilateral rhinostomy by means of a lateral approach. Access was established via the facies cribrosa of the maxillary bone. Purulent material was removed from the affected nasal cavity and the maxillary sinus by means of debridement and lavage. After endoscopic exploration, marsupialization was performed to create a stoma. Both rabbits recovered from surgery without apparent complications, and the surgical site healed within 1 month in both. Computed tomography was repeated 5 months after surgery in one rabbit and 13 months after surgery in the other and indicated patent nasal passages and no evidence of recurrence or persistence of disease.

CLINICAL RELEVANCE Results suggested that lateral rhinostomy should be considered for treatment of chronic severe rhinosinusitis in rabbits. Such an approach may be less technically demanding and could decrease the likelihood of postsurgical complications reported with other techniques.

Contributor Notes

Address correspondence to Dr. Mans (christoph.mans@wisc.edu).