Author
Home > Health > What is the Difference Between Stenosis and Regurgitation?

Guilherme Mazui

•4 minutes to read

What is the Difference Between Stenosis and Regurgitation?

🆚 Go to Comparative Table 🆚

Stenosis and regurgitation are two different types of heart valve disorders that can affect the normal functioning of the heart. Here are the main differences between them:

Stenosis:

  • Stenosis occurs when a heart valve doesn't open fully and properly, resulting in a narrowing of the path of blood flow.
  • It can be caused by calcium buildup, scarring that damages the leaflets, thickening, stiffening, or fusing of the valve flaps.
  • Stenosis can lead to the heart working harder to pump blood, which may result in an irregular heartbeat, cardiomyopathy (thickening of the heart muscle), and heart failure if left untreated.

Regurgitation:

  • Regurgitation occurs when a heart valve doesn't close properly, allowing blood to leak back into the heart.
  • It is also known as aortic insufficiency or a leaky aortic valve.
  • Regurgitation can also cause the heart to work harder to pump blood, leading to similar complications as stenosis if left untreated.

Both stenosis and regurgitation can affect any of the heart valves, including the aortic, mitral, pulmonary, and tricuspid valves. The severity of these conditions can range from mild to severe, and treatment options may include valve repair or replacement, depending on the specific case.

On this page
  • What is the Difference Between Stenosis and Regurgitation?
  • Comparative Table: Stenosis vs Regurgitation

    • Comparative Table: Stenosis vs Regurgitation

    Here is a table comparing the differences between stenosis and regurgitation:

    Feature Stenosis Regurgitation
    Definition Stenosis refers to heart valves that don't open fully and properly, resulting in a narrowing of the valve opening. Regurgitation refers to valves that don't close properly, causing blood to flow backward through the valve.
    Valve Function Stenosis affects the valve's ability to open fully, which reduces blood flow from the left atrium into the left ventricle during diastole. Regurgitation occurs when the valve leaks during systole, causing some blood to flow backward into the left atrium.
    Common Types Aortic valve stenosis and pulmonary valve stenosis are common types of stenosis. Mitral valve regurgitation and aortic valve regurgitation are common types of regurgitation.
    Causes Stenosis is often caused by the buildup of calcium on the valve, making it harder for the valve to open. Regurgitation is usually due to a prolapse, when the flaps of the valve do not close tightly and bulge under pressure.
    Treatment Treatment for stenosis may include medications, lifestyle changes, or surgery to repair or replace the valve. Treatment for regurgitation may include medications, lifestyle changes, or surgery to repair or replace the valve.

    Stenosis and regurgitation can affect any of the heart valves, and they can occur simultaneously in some cases. It is essential to consult a healthcare professional for proper diagnosis and treatment if you suspect you have either of these conditions.

    Read more:

    Guilherme Mazui

    Guilherme Mazui is graduated in journalism from the Federal University of Minas Gerais (UFMG) and a master's degree in Communication from the University of São Paulo (USP). In addition, he has experience in advertising writing and has worked as a content editor in several companies.