Felis ISSN 2398-2950

Trachea: foreign body

Synonym(s): Trachea: obstruction

Contributor(s): Alasdair Hotston Moore, Philip K Nicholls, Elizabeth Rozanski

Introduction

  • Occasional problem.
  • Cause: stones, inhaled tooth, rarely grass and other vegetation.
  • Signs: respiratory noise (stridor) and dyspnea (cough if bronchial).
  • Diagnosis: radiography and endoscopy.
  • Treatment: bronchoscopy and forceps removal; fluoroscopy, lung lobectomy if distal bronchial location.
  • Prognosis: good with appropriate treatment.

Pathogenesis

Etiology

  • Inhaled foreign body, eg stone, tooth.

Specific

Pathophysiology

  • Inhalation of foreign body   →   partial/full blockage of trachea or bronchi   →   respiratory compromise and secondary pulmonary infection.
  • Inhalation of FB   →   usually enters right caudal lobe bronchus as straightest path   →   local pneumonia and may migrate caudally.
  • Large FB   →   lodges trachea/tracheal bifurcation   →   severe respiratory compromise. (This is more common than bronchial migration in this species.)

Timecourse

  • Hours to a few days.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Tivers M S & Moore A H (2006) Tracheal foreign bodies in the cat and the use of fluoroscopy for removal: 12 cases. JSAP 47 (3), 155-159 PubMed.
  • Bright S R, Mellanby R J & Williams J M (2002) Oropharyngeal stick injury in a Bengal cat. J Feline Med Surg (3), 153-5 PubMed.
  • Dhupa N & Littman M P (1992) Epistaxis. Comp Cont Ed 14 (8), 1033-1041 VetMedResource.
  • Dimski D A (1991) Tracheal obstruction caused by tree needles in cat. JAVMA 199 (4), 477-478 PubMed.
  • Brownlie S E, Davies J V & Jones D G C (1986) Bronchial foreign bodies in four dogs. JSAP 17 (4), 239-245 VetMedResource.
  • Dobbie G R, Darke P G G & Head K W (1986) Intrabronchial foreign bodies in dogs. JSAP 17 (4), 227-238 VetMedResource.


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