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Predicting Development of Hypertrophic Cardiomyopathy and Disease Outcomes in Cats

Jose Novo Matos1, Jessie Rose Payne2

  • 1Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 0ES, UK.

The Veterinary Clinics of North America. Small Animal Practice
|July 27, 2023
PubMed

Insights

Echocardiography is key for diagnosing feline hypertrophic cardiomyopathy (HCM). Specific echocardiographic findings can predict HCM development and adverse outcomes, with left atrial dysfunction indicating a worse prognosis.

Area of Science:

  • Veterinary Cardiology
  • Diagnostic Imaging
  • Cardiovascular Disease in Cats

Background:

  • Hypertrophic cardiomyopathy (HCM) is a common cardiac disease in cats.
  • Echocardiography is the primary diagnostic tool for feline HCM.
  • Left atrial dysfunction is an early sign of HCM and linked to poor outcomes.

Purpose of the Study:

  • To highlight the role of echocardiography in diagnosing feline HCM.
  • To emphasize the predictive value of echocardiographic features for HCM development and adverse events.
  • To underscore the significance of left atrial dysfunction in HCM prognosis.

Main Methods:

  • Review of echocardiographic findings in feline hypertrophic cardiomyopathy.
  • Analysis of echocardiographic data to identify predictive features for disease progression and adverse events.
  • Evaluation of left atrial function as a prognostic indicator.

Main Results:

  • Echocardiography accurately diagnoses feline HCM.
  • Specific echocardiographic markers predict the risk of developing HCM.
  • Echocardiographic features identify cats with HCM at higher risk for cardiovascular events or death.
  • Left atrial dysfunction is an early abnormality and a predictor of worse outcomes.

Conclusions:

  • Echocardiography is essential for diagnosing and managing feline HCM.
  • Predictive echocardiographic features aid in risk stratification for cats with or at risk of HCM.
  • Left atrial dysfunction is a critical factor influencing the prognosis of feline hypertrophic cardiomyopathy.

Keywords:
Arterial thromboembolismCardiac deathCongestive heart failureEchocardiographyElongated mitral valveGenotype positive/phenotype negativeLeft atrial systolic functionPre-phenotypic

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