Aortic Valve Replacement Surgery

Understanding Aortic Valve Diseases:

The aortic valve is located between the left ventricle and the aorta, and its primary function is to allow blood flow from the heart to the rest of the body while preventing backward flow. Two common conditions affecting the aortic valve are aortic valve stenosis and aortic valve regurgitation:

  • Aortic Valve Stenosis: This condition occurs when the aortic valve becomes narrow or stiff, restricting the blood flow from the heart to the aorta. Over time, this can lead to chest pain, shortness of breath, fatigue, and fainting. Severe cases of aortic valve stenosis may necessitate aortic valve replacement surgery.
  • Aortic Valve Regurgitation: Aortic valve regurgitation happens when the valve doesn’t close properly, causing blood to leak back into the left ventricle. This can result in symptoms like fatigue, shortness of breath, heart palpitations, and swelling in the legs and ankles. Severe cases may require aortic valve replacement surgery to restore normal cardiac function.

Indications for Aortic Valve Replacement Surgery: 

Aortic valve replacement surgery is typically recommended in the following situations:

  1. Severe Aortic Valve Stenosis: When aortic valve stenosis becomes severe, causing symptoms or leading to complications, surgery is often necessary. The severity is determined by factors such as the valve’s narrowing, symptoms experienced, and assessment of the patient’s overall health.
  2. Severe Aortic Valve Regurgitation: In cases of significant aortic valve regurgitation causing symptoms or affecting heart function, aortic valve replacement surgery is often the most effective treatment option.
  3. Concurrent Heart Conditions: Aortic valve replacement surgery may be recommended if other heart conditions, such as coronary artery disease or mitral valve disease, coexist with aortic valve diseases.

The Aortic Valve Replacement Procedure: 

Aortic valve replacement surgery involves the removal of the diseased valve and its replacement with a prosthetic valve. There are two main types of prosthetic valves used:

  1. Mechanical Valves: These are durable, long-lasting valves of synthetic materials like titanium or carbon. 
  2. Biological Valves (Tissue Valves): These valves are made from animal or human tissue, typically from a pig or cow. They do not necessitate lifelong blood-thinning medications but may need replacement after approximately 10 to 20 years.

The procedure is typically performed under general anaesthesia and can be done through traditional open-heart surgery or minimally invasive techniques, such as transcatheter aortic valve replacement (TAVR). The choice of procedure depends on factors such as the patient’s overall health, age, and the surgeon’s expertise.

Recovery and Rehabilitation:

 Post-surgery, the patient is closely monitored in the intensive care unit (ICU) to ensure stability and recovery. The hospital stay can range from a few days to a week, depending on individual circumstances. During the recovery period, the medical team will provide pain management, monitor vital signs, and initiate physical therapy to facilitate healing and regain strength.

Once discharged, a comprehensive cardiac rehabilitation program may be recommended. This program includes supervised exercises, dietary guidance, and ongoing medical monitoring to optimise recovery and improve cardiovascular health.

Impact on Quality of Life:

 Aortic valve replacement surgery has a significant impact on enhancing the quality of life for individuals with aortic valve diseases. Benefits of the procedure include:

  1. Symptom Relief: Aortic valve replacement effectively alleviates symptoms associated with aortic valve stenosis or regurgitation, such as chest pain, fatigue, and shortness of breath.
  2. Improved Cardiac Function: The surgery restores proper blood flow from the heart, improving overall cardiac function and reducing the strain on the heart muscle.
  3. Enhanced Physical Activity: With restored cardiac function, individuals can often engage in physical activities and exercise without the limitations imposed by their previous condition.
  4. Prolonged Life Expectancy: Aortic valve replacement surgery has increased life expectancy in patients with severe aortic valve diseases, enabling them to enjoy a longer and healthier life.


Aortic valve replacement surgery is a life-saving procedure for individuals with severe aortic valve stenosis or regurgitation. It restores proper cardiac function, relieves symptoms, and improves the quality of life. The surgery, coupled with comprehensive rehabilitation, allows patients to regain their physical abilities, engage in activities they enjoy, and experience a longer and healthier life. Suppose you or a loved one is facing aortic valve disease. In that case, consulting with a cardiac specialist will provide the necessary guidance to determine if aortic valve replacement surgery is the appropriate treatment option.

People also ask

1. How serious is aortic valve replacement surgery?

Aortic valve replacement surgery is a serious procedure performed to replace a diseased or malfunctioning aortic valve with a prosthetic valve. The seriousness of the surgery can vary depending on the individual patient’s overall health and specific circumstances. While it is a major surgery, significant advancements have been made in the field of cardiac surgery, leading to improved outcomes and reduced risks.

2. What is the survival rate for aortic valve replacement surgery?

The survival rate for aortic valve replacement surgery also depends on various factors, including the patient’s age, overall health, the presence of other medical conditions, and the type of valve used. Generally, the survival rate for aortic valve replacement is quite high. According to studies, the 30-day survival rate after aortic valve replacement surgery is around 97-99%, and the long-term survival rate is favorable.

3. Which surgery is best for aortic valve replacement?

There are different surgical approaches available for aortic valve replacement, and the choice of procedure depends on several factors, including the patient’s anatomy, the severity of the valve disease, and the surgeon’s expertise. The two main surgical techniques for aortic valve replacement are:

4. How long does aortic valve replacement surgery take?

  • Traditional Open-Heart Surgery: This involves making a large incision in the chest to access the heart. The heart is temporarily stopped, and the patient is connected to a heart-lung bypass machine, which takes over the function of the heart and lungs during the surgery. The diseased valve is removed, and a prosthetic valve is sewn into place.
  • Minimally Invasive Surgery: This approach involves making smaller incisions, often on the side of the chest, between the ribs, or in the upper sternum. Specialized surgical instruments and video-assisted technology are used to access and replace the aortic valve. Minimally invasive techniques generally result in shorter hospital stays, reduced scarring, and faster recovery compared to open-heart surgery.


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