Obstructive Tracheal Necrosis in a Dog Secondary to Smoke Inhalation Injury—Case Report

Tommaso Rosati, Jamie M. Burkitt, Katherine D. Watson, Karl E. Jandrey, Laura G. Osborne, Devinn M. Sinnott, Steven E. Epstein

Research output: Contribution to journalArticle

Abstract

A 4-year-old Siberian Husky mix was referred to the emergency service of the University of California Davis Veterinary Medical Teaching Hospital after being found unconscious in a housefire. Upon arrival, the dog was conscious and panting with normal breathing effort. The dog was initially treated with oxygen therapy to minimize the risk of carbon monoxide toxicosis. Progressive agitation with paroxysmal episodes of increased respiratory effort and increased upper airway sounds were noted ~48 h after presentation. Hypoxemia was then documented. Clinical signs continued to progress despite supportive measures, and five days after initial presentation mechanical ventilation was deemed indicated. Following anesthetic induction, endotracheal intubation was performed. Capnography and peak inspiratory pressures recorded on the mechanical ventilator were consistent with airway obstruction. Diffuse intraluminal tracheal obstruction with grossly necrotic tracheal tissue was confirmed using fiber optic tracheoscopy. The patient was humanely euthanized due to grave prognosis. At necropsy, the tracheal lumen was obstructed by sloughed, necrotic tracheal mucosa. This is the first report describing a severe delayed intrathoracic large airway complication secondary to smoke inhalation in a dog.

Original languageEnglish (US)
Article number409
JournalFrontiers in Veterinary Science
Volume7
DOIs
StatePublished - Jul 21 2020

Keywords

  • airway cast
  • anthracosis
  • canine
  • critical care
  • delayed neurological signs
  • lung injury
  • tracheal obstruction
  • upper airway obstruction

ASJC Scopus subject areas

  • veterinary(all)

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