TREATMENT/PROCEDURE: Therefore, dogs with moderate or severe subaortic stenosis, may require medication. The most common form of treatment is a medication given orally called βeta blockers, which reduce the intensity of the heart's work, help to prevent the heart from beating too fast and can control arrhythmias.
How long do dogs with subaortic stenosis live?
Most dogs with SAS do not survive beyond age 3 years without treatment, though dogs with milder cases can have normal life spans. A dog with SAS is always predisposed to electrical arrhythmia, heart failure, and infection of the abnormal aortic valve. and gets worse over the first 6-12 months of life.
How common is subaortic stenosis in dogs?
Subaortic stenosis (SAS) is one of the most common congenital heart defects in dogs. Retrospective studies suggest that SAS accounts for ~15-35% of congenital heart disease in dogs, and it is rare in cats.
Can subaortic stenosis be cured?
Discrete subaortic stenosis can be cured in most patients by membranectomy associated with either myotomy or myectomy.
Is aortic stenosis in dogs treatable?
Treatment for aortic stenosis in dogs varies based on the severity of the condition. While open-heart surgery could theoretically cure the condition, vets don't usually perform it. That's because it's risky and hasn't been shown to improve life expectancy.
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