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Peer-reviewed veterinary case report

Cat with leg weakness linked to heart scarring and blood clots

By T. Carvalho et al.·Published in Brazilian Journal of Veterinary Pathology·2019·View original on Semantic Scholar

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Original publication title: Cardiac fibroelastosis associated with thromboembolism and paresis in a cat - Case report

Species:
cat

Plain-English summary

A 2-year-old male cat was brought to the vet after experiencing weakness in his back legs for three months. During the exam, the vet noticed muffled heart sounds and a heart murmur. Unfortunately, the cat passed away due to heart failure, and further tests revealed serious heart issues, including thickening of the heart lining and blood clots. The findings indicated that the cat had a severe heart condition that led to both heart failure and the weakness in his legs.

People also search for: cat weakness in back legs · cat heart murmur treatment · why is my cat's heart muffled

Abstract

A two-year-old, male, non-castrated cat was referred to the veterinary hospital with a three-month history of paresis of the pelvic limbs. Clinical examination revealed a discreet muffling of cardiac sounds and the presence of a degree III/VI holosystolic murmur. The animal was hospitalized and died of cardiorespiratory arrest. The heart had a thickened left ventricular endocardium characterized by the deposition of a fibrous white matter that was firmly adhered to the endocardium and also observed on the epicardium. Renal infarctions and thrombi in the atrium and bifurcation of the aorta were found. Microscopically, in the endocardium of the left ventricular chamber there was a diffuse and disorganized deposition of fibrous connective tissue filled with elastic fibers of varying thickness. In the left ventricular epicardium, the same lesion was observed, but with less extension. Clinical and anatomopathological findings were consistent with primary left ventricular endocardial and left ventricular epicardial fibroelastosis with secondary left ventricular congestive heart failure, thromboembolism and paresis.

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Original publication on Semantic Scholar: https://www.semanticscholar.org/paper/7452d31c347b1f7037c4d6944694f4ec36dd944d