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Heart (Aortic) Valve Narrowing in Cats

Treatment

 

The treatment and management guidelines are controversial and vary among experts. However, most agree the aim of therapy is to treat the complications related to the defect. To truly “cure” the cat, open heart surgery is required to repair (valvuloplasty) or replace the valve. However, the prognosis of cats that undergo surgery is not favorable, and therefore not usually attempted.

 

Catherization may also be used to widen the narrowed vessels, but the procedure does not demonstrate survival advantages for cats with severe forms of the disease.

 

Typically, broad spectrum antibiotics are given to cats with aortic stenosis due to the increased risk of developing bacterial infections in the heart.

 

Living and Management

 

The overall goal for you and the veterinarian is to minimize the cat's symptoms, prevent complications, and improve its quality of life. Activity should be immediately restricted to prevent complications (sometimes fatal) due to overexertion. Low sodium diets will also be recommended for cats with congestive heart failure.

 

Affected animals shouldn’t allow breeding or preferably neutered. You’ll need to closely watch your cat at home for abnormal signs and inform the veterinarian immediately if and when they occur. Cats with mild forms of aortic stenosis may live a “normal” lifespan without any treatment. However, those with severe forms of the defect have a poor prognosis, even with treatment. Regardless of the severity, many veterinarians will recommend against breeding an animal with this heart defect.

 

 

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