- Aortic Valve Replacement (AVR)
Aortic Valve Replacement (AVR) is a surgical procedure used to treat diseases of the aortic valve, one of the four main valves of the heart. The aortic valve controls the flow of oxygen-rich blood from the left ventricle of the heart into the aorta, the largest artery that carries blood to the rest of the body. When this valve becomes damaged or does not function properly, it can affect the heart’s ability to pump blood efficiently. AVR is performed to replace the diseased valve with a new artificial or biological valve.
- Causes of Aortic Valve Disease
Aortic valve replacement is usually required when the valve becomes severely narrowed or leaky. The two most common conditions affecting the aortic valve are aortic stenosis and aortic regurgitation.
Aortic stenosis occurs when the valve becomes stiff and narrow, restricting blood flow from the heart. Aortic regurgitation occurs when the valve does not close properly, causing blood to leak backward into the heart. These conditions may develop due to aging, congenital heart defects, infections, or calcium buildup on the valve.
- Symptoms
Patients with severe aortic valve disease may experience several symptoms such as:
• Chest pain or pressure
• Shortness of breath
• Fatigue or weakness
• Dizziness or fainting
• Irregular heartbeat
If left untreated, severe aortic valve disease can lead to heart failure or other serious complications.
- The Procedure
During AVR surgery, the damaged aortic valve is removed and replaced with a new valve. The replacement valve may be mechanical (made from durable materials such as metal or carbon) or biological (made from animal or human tissue).
The surgery is usually performed under general anesthesia and may take 3 to 5 hours. In traditional surgery, the chest is opened through the breastbone to access the heart. In some cases, a less invasive procedure called Transcatheter Aortic Valve Replacement (TAVR) may be used, where the new valve is inserted through a catheter without open-heart surgery.
- Recovery and Benefits
After the procedure, patients usually stay in the hospital for about 5 to 7 days. Full recovery may take several weeks. Most patients experience significant improvement in symptoms, better heart function, and improved quality of life.
- Conclusion
Aortic Valve Replacement is a highly effective treatment for severe aortic valve disease. With modern surgical techniques and improved valve technology, AVR offers excellent outcomes and helps patients live longer and healthier lives. Regular follow-up care and maintaining a heart-healthy lifestyle are important for long-term success after the procedure.