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Pharyngeal Trauma

By

Jan F. Hawkins

, DVM, DACVS, Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Purdue University

Last full review/revision Dec 2013 | Content last modified Dec 2013
Topic Resources

Pharyngeal trauma in ruminants is not uncommon secondary to iatrogenic causes, such as incorrect passage of balling guns or attempts to pass probangs per os. Affected cattle develop severe swelling of the head and proximal neck secondary to diffuse cellulitis caused by penetration of the pharyngeal mucosa. Feed frequently becomes impacted in these areas and can lead to acute dyspnea. Management of pharyngeal trauma in ruminants should include the placement of a temporary rumen fistula to provide extraoral alimentation while the pharyngeal defect heals. Treatment should also include systemic antimicrobials and anti-inflammatory agents. Some affected animals may also require surgical drainage of accumulated feed and abscessation secondary to the foreign material.

In small animals, oropharyngeal foreign bodies are quite common in dogs but less so in cats. However, cats are prone to ingestion of linear foreign bodies, which may become entangled with the tongue and can be identified with a careful oral examination under sedation or general anesthesia. Penetrating foreign bodies include pins, needles, and pieces of stick or bone fragments. Small animals suspected to have oropharyngeal foreign bodies should be evaluated with an oral examination while sedated or anesthetized and with radiographs or ultrasound to identify all foreign material present. Once identified, pharyngeal foreign bodies may be removed directly via the oral cavity or approached externally.

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