ISSN 2398-2969      

Cor pulmonale

icanis

Synonym(s): Pulmonary heart disease


Introduction

  • Cause: pulmonary artery hypertension.
  • Signs: usually few clinical signs; in animals right-sided heart failure is rare.
  • Diagnosis: right heart enlargement (radiography, ultrasonography, ECG) and demonstration of respiratory disease.
  • Treatment: manage underlying cause and symptomatic only.
  • Prognosis: depends on severity of cardiorespiratory changes.

Pathogenesis

Etiology

Specific

  • Dirofilariasis may induce cor pulmonale in dogs, especially those with a history of exercise/work load, leading to right ventricular hypertrophy from increased cardiac outputs and increased pulmonary vascular resistance.

Pathophysiology

  • Right ventricular enlargement as a result of respiratory disease.
  • In some cases may be the first indicator that severe pulmonary disease exists.
  • Increased pulmonary vascular resistance → pulmonary hypertension.
  • This increases the work that the right heart has to do → compensatory hypertrophy of the right ventricle.
  • If hypertension persists then right-sided failure ultimately develops.

Timecourse

  • Weeks to months.
  • Can develop acutely with thromboembolism.

Diagnosis

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Treatment

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Outcomes

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Corcoran B M et al (1999) Idiopathic pulmonary fibrosis in a Staffordshire Bull Terrier with hypothyroidismJSAP 40 (4), 185-188 PubMed.
  • Miller M W (1998) Canine heartworm disease. Clin Tech Small Anim Pract 13 (2), 113-118 PubMed.

Other sources of information

  • Dillon R (2000)Dilofilariasis in dogs and cats. In:Textbook of Veterinary internal Medicine, 5th edn Eds S J Ettinger & E C Feldman. Philedelphia: W B Saunders Co. pp 937-963.

Can’t find what you’re looking for?

We have an ever growing content library on Vetlexicon so if you ever find we haven't covered something that you need please fill in the form below and let us know!

 
 
 
 

To show you are not a Bot please can you enter the number showing adjacent to this field

 Security code