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Prevalence of cardiomyopathy in apparently healthy cats

Christopher F Paige1, Jonathan A Abbott, François Elvinger

  • 1Department of Small Animal Clinical Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute, Blacksburg, VA 24061, USA.

Journal of the American Veterinary Medical Association
|June 2, 2009
PubMed

Insights

Cardiomyopathy is common in apparently healthy cats, affecting 15.5%. A heart murmur is not a reliable indicator of this feline heart condition.

Area of Science:

  • Veterinary Cardiology
  • Feline Internal Medicine

Background:

  • Cardiomyopathy is a significant concern in feline cardiac health.
  • Understanding the prevalence of cardiac conditions in seemingly healthy animals is crucial for preventative care.

Purpose of the Study:

  • To determine the prevalence of cardiomyopathy in apparently healthy domestic cats.
  • To investigate the association between heart murmurs and cardiomyopathy in this population.

Main Methods:

  • A cross-sectional study involving 103 privately owned, apparently healthy domestic cats.
  • Physical and echocardiographic examinations were performed independently by two investigators.
  • Left ventricular hypertrophy was diagnosed using echocardiography, defining hypertrophic cardiomyopathy (HCM) based on specific criteria.

Main Results:

  • Cardiomyopathy was identified in 15.5% of cats, with hypertrophic cardiomyopathy (HCM) being the most common form.
  • Heart murmurs were detected in 15.5% of cats, but only 5 of these had co-existing cardiomyopathy.
  • The sensitivity of detecting a heart murmur for diagnosing cardiomyopathy was 31%, with a specificity of 87%.

Conclusions:

  • Cardiomyopathy is a prevalent condition in apparently healthy cats.
  • Auscultatory detection of a heart murmur is not a reliable diagnostic indicator for cardiomyopathy in this population.
  • Further research may explore additional diagnostic markers for feline cardiomyopathy.
Abstract

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