Feline Thromboembolic Disease Study Guide
Overview and Clinical Importance
Feline aortic thromboembolism (FATE), also known as "saddle thrombus," is one of the most devastating complications of cardiac disease in cats. This condition occurs when a thrombus, typically formed in the left atrium, dislodges and embolizes to the systemic arterial circulation. The most common site of embolization is the aortic trifurcation (where the aorta splits into the iliac arteries), affecting blood supply to the hindlimbs.
FATE represents a significant category on the NAVLE due to its dramatic clinical presentation, association with underlying cardiac disease, and the critical decision-making required for emergency management. Understanding the pathophysiology, recognition of clinical signs, and appropriate treatment protocols is essential for veterinary practice.
Etiology and Pathophysiology
Underlying Causes of FATE
Virchow's Triad in Feline Thromboembolism
Thrombus formation in cats with cardiomyopathy follows the classical principles of Virchow's triad, which describes three conditions that favor thrombosis:
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