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Cardiogenic embolism in the cat
Daniel F Hogan1, Benjamin M Brainard2
1Purdue University, College of Veterinary Medicine, Department of Veterinary Clinical Sciences, 625 Harrison Street, West Lafayette, IN 47907-2026, USA.
Insights
Cardiogenic embolism (CE) in cats, a common cause of death, lacks effective prevention strategies. Recent studies offer hope for improved outcomes in feline arterial thromboembolism.
Area of Science:
- Veterinary Medicine
- Cardiology
- Thrombosis
Background:
- Cardiogenic embolism (CE), also known as saddle thrombus or feline arterial thromboembolism, is a significant cause of mortality in cats with heart disease.
- Despite decades of clinical observation, advancements in preventing or treating CE in cats have been limited.
- A lack of data identifying specific risk factors beyond underlying heart disease hinders proactive management.
Purpose of the Study:
- To review the current understanding of CE in cats as of 2015.
- To summarize clinical presentation, survival rates, and thrombotic risks associated with feline arterial thromboembolism.
- To discuss current and potential strategies for the prevention of cardiogenic embolism in cats.
Main Methods:
- Review of existing literature on feline cardiogenic embolism.
- Analysis of clinical data regarding presentation, survival, and risk factors.
- Evaluation of recent thromboprophylactic studies and antithrombotic drug development.
Main Results:
- The first prospective study on thromboprophylaxis in feline arterial thromboembolism has been completed.
- Challenges remain in developing species-specific antithrombotic drugs for cats.
- Identifying cats at high risk for CE beyond having heart disease is still an area needing more research.
Conclusions:
- Significant progress in preventing or improving outcomes for feline cardiogenic embolism is still needed.
- Further research and pharmaceutical focus are crucial for advancing feline arterial thromboembolism treatment and prevention.
- A comprehensive understanding of risk factors and effective thromboprophylaxis is essential for feline cardiac health.
Abstract:
Cardiogenic embolism (CE) in the cat, which has also been referred to as arterial thromboembolism, feline arterial thromboembolism, and saddle thrombus has been identified clinically in cats for decades and is an important clinical development and cause of death in cats with underlying heart disease. While a better understanding of this condition has been developed over the decades it is extremely frustrating to clinicians that there have not been dramatic changes in prevention or outcome. Only recently has the first prospective thromboprophylactic study on CE in cats been completed. While new antithrombotic drugs are developed for humans on a regular basis, it has been challenging to get pharmaceutical companies to focus on the feline species. Additionally, there remains an absence of clinical data to identify cats at risk for developing CE aside from the simple fact that they have underlying heart disease. This review will attempt to present a summary of where we stand in 2015 with regards to clinical presentation, survival, thrombotic risk, and prevention.
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