Canis ISSN: 2398-2942

Lung: contusion

Synonym(s): Traumatic lung injury, pulmonary contusion

Contributor(s): Kyle Braund, Serena Brownlie, Elisa Mazzaferro

Introduction

  • Lung contusion with hemorrhage and alveolar and interstitial edema Lung: pulmonary edema.
  • Cause: blunt trauma.
  • Signs: depend on severity; commonly dyspnea, tachypnea, harsh adventitious breath sounds.
  • Diagnosis: clinical signs and radiology.
  • Treatment: supportive, cage rest, unless hemothorax or rib fractures.
  • Prognosis: guarded if hemoptysis.

Pathogenesis

Etiology

  • Blunt trauma.

Pathophysiology

  • Bruising of the lung with consequent hemorrhage and edema of the alveoli and interstitial spaces.
  • Occurs as a result of blunt trauma and is sometimes associated with rib fractures.

Timecourse

  • Acute or subacute. (Note that deterioration may occur for up to 24 hours following the traumatic incident.)

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.
  • Sigrist N E, Doherr M G & Spreng D E (2004) Clinical findings and diagnostic value of post traumatic thoracic radiographs in dogs and cats with blunt trauma. J Vet Emerg Crit Care 14 (4), 259-268 VetMedResource.
  • Houlten J E F & Dyce J (1992) Does fracture pattern influence thoracic trauma? A study of 300 canine cases. Vet Comp Orthop Traumatol (3), 90-92 VetMedResource.
  • Tamas P M et al (1985) Thoracic trauma in dogs and cats presented for forelimb fractures. JAAHA 21 (2), 161-166 VetMedResource.

Other sources of information

  • Hawkins E C (2000)Pulmonary parenchymal diseases.In:Textbook of Veterinary Internal Medicine.5th edn. Ettinger S J & Feldman E C (eds). W B Saunders, Philadelphia. pp 1061-1091.


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