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Related Concept Videos

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Aortic dissection in four cats: clinicopathological correlations.

S Oricco1, M Perego2, M Poggi1

  • 1Centro Veterinario Imperiese, Via Dott. Augusto Armelio 10, Imperia, IM, 18100, Italy.

Journal of Veterinary Cardiology : the Official Journal of the European Society of Veterinary Cardiology
|November 1, 2019
PubMed
Summary

Aortic dissection (AD) in cats can cause cardiac tamponade or chronic signs. Echocardiography aids in diagnosing this ascending aorta condition, potentially linked to hypertrophic cardiomyopathy.

Keywords:
AortaFelineMarfan syndromeVasculopathy

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Area of Science:

  • Veterinary Cardiology
  • Cardiovascular Pathology

Background:

  • Aortic dissection (AD) involves bleeding within the aortic wall, creating a false lumen.
  • AD in cats is often linked to systemic hypertension, but presentation varies.

Observation:

  • This case series details four cats with ascending aorta AD and aortic insufficiency.
  • Clinical signs ranged from acute cardiac tamponade to chronic presentations.
  • One cat exhibited Marfan-like connective tissue abnormalities, and two had concurrent hypertrophic cardiomyopathy.

Findings:

  • Histopathology confirmed AD features in two cats.
  • Hypertrophic cardiomyopathy, a novel finding in feline AD, may trigger dissection via shear stress.
  • Normal blood pressure at presentation contrasted with typical human hypotension in ascending aorta AD.

Implications:

  • Transthoracic echocardiography is a valuable, non-invasive diagnostic tool for feline ascending aorta AD.
  • Understanding feline AD pathophysiology may inform future treatment strategies.
  • The association with hypertrophic cardiomyopathy warrants further investigation in feline cardiovascular disease.