Peer-reviewed veterinary case report
Cat with exercise cyanosis and heart defect worsened by catheter test
By Green, Henry W & Hogan, Daniel F·Published in Journal of the American Animal Hospital Association·2005·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Suspected iatrogenic paradoxical embolization in a cat.
- Species:
- cat
Plain-English summary
A cat with a 5-year history of exercise-induced blue-tinged gums and heavy breathing was found to have a serious heart condition called tetralogy of Fallot, which can lead to heart failure. After a procedure to diagnose the issue, the cat developed severe complications from blood clots that traveled to the wrong parts of the body, leading to a decision to euthanize the cat. A thorough examination after death revealed multiple clots in the heart and arteries, indicating that the complications were likely caused by the diagnostic procedure itself.
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Abstract
A cat was evaluated for a 5-year history of progressive, episodic, exercise-induced cyanosis and panting. Diagnostic testing demonstrated tetralogy of Fallot with predominant right-to-left shunting and right-sided heart failure. Following diagnostic catheterization, the cat developed clinical signs consistent with systemic arterial thromboembolization and was euthanized. Necropsy findings included multiple thrombi within the right atrium and ventricle, and thromboemboli within the terminal aorta and right common carotid artery, a condition most consistent with iatrogenic paradoxical embolization secondary to diagnostic catheterization. Paradoxical embolization and thromboembolic complications of diagnostic catheterization are discussed.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15870254/