Aortic valve (AV) stenosis, or aortic stenosis, occurs when the heart's aortic valve narrows and prevents the valve from fully opening. This reduces or blocks blood flow from the heart into the aorta, the main artery to the body. When blood flow is reduced or blocked, the heart must work harder to pump blood to the body and, eventually, the amount of blood the heart can pump becomes limited. This can cause symptoms and possibly weaken the heart muscle. Treatment depends on the severity of stenosis and surgery may be required to repair or replace the valve. Left untreated, stenosis can lead to serious heart problems.
AV stenosis ranges from mild to severe. Signs and symptoms generally develop when there is severe narrowing of the valve. Signs and symptoms of AV stenosis may include:
The heart-weakening effects of stenosis may lead to heart failure; signs and symptoms include fatigue, shortness of breath, and swollen ankles and feet.
In AV stenosis, the valve between the left ventricle (lower left heart chamber) and the aorta (main artery) that delivers blood to the rest of the body is narrowed. Since the left ventricle has to work harder to pump a sufficient amount of blood to the rest of the body, it walls can thicken and enlarge. Eventually, the extra effort can weaken the left ventricle and the rest of the heart, and can ultimately lead to heart failure and other problems.
AV stenosis can occur due to many causes, including:
Risk factors of aortic valve stenosis include:
Minimally Invasive Treatment Options