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Causes of Aortic Stenosis

Discover insights into the causes of aortic stenosis, including congenital factors, age-related changes, and other conditions affecting the heart.

  • 05 Apr 2024
  • 2 min read

Heart diseases have become quite prevalent today, with many fatalities being reported regularly. One such heart-related disease, aortic stenosis, is also grabbing attention. Aortic stenosis (AS) is a frequently occurring heart valve condition, affecting approximately 3% of adults aged 75 and above. 

Let us begin by understanding the aortic valve stenosis aetiology.

What are the Causes of Aortic Stenosis?

Here is a glimpse into the causes of aortic stenosis:

This condition occurs when the lower left heart chamber valve and the aorta get blocked or clogged. But what causes such blockage? It is caused by a condition called atherosclerosis, which is a buildup of calcium around the aortic valve as a person ages. This buildup makes the valve tissue stiff, narrow, and rigid.


Beyond atherosclerosis, there are other causes of aortic stenosis, including congenital heart defects. If a child is born with a heart defect, say a bicuspid aortic valve, the chances of aortic stenosis occurring go up. Similarly, rheumatic fever and infective endocarditis can be potential causes for this condition to occur.

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Aortic stenosis is a progressive disease that can become severe if not treated in its early stages. Studies show 9.5 mortality rate even in stage 1 when the condition develops without symptoms. Therefore, investing in sound health insurance plan is the safest and most practical way to avoid taking any risks with your health condition in the future.

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