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For an aortic valve replacement, experts usually recommend mechanical valves for people under age 50 and tissue valves for those over age 70. For people between those two ages, neither type has a clear advantage over the other.
Tissue valve. Tissue valves are created from animal donors’ valves or animal tissue that's strong and flexible. Tissue valves can last 10 to 20 years and usually don't require the long-term use of medication. For a young person with a tissue valve replacement, the need for additional surgery or another valve replacement later in life is ...
A heart valve replacement is necessary when valve repair surgery isn’t a treatment option. Valve replacement surgery is most often used to treat people with aortic valve disease, particularly aortic stenosis (narrowing).
Tissue valves are made from porcine (pig) or bovine (cow) tissue, and can be used to replace any cardiac valve. Tissue valves can be implanted surgically, just like mechanical valves, where the old valve is removed and the new prosthesis is sewn in its place.
For patients with heart valve disease who need a replacement, the choice between a bioprosthetic (tissue) or mechanical valve can be challenging. Dr. Marc Gillinov, Chairman of the Department of Thoracic and Cardiovascular Surgery, explains the good, the bad, and the ugly for each type of valve.
It's done to replace a narrowed aortic valve, a condition called aortic valve stenosis. A doctor inserts a flexible tube called a catheter into a blood vessel and guides it into the heart. A replacement valve made of cow or pig tissue goes through the tube to the specific area in the heart.
Transcatheter aortic valve replacement (TAVR) is a type of heart valve surgery. It's done to replace a narrowed aortic valve, a condition called aortic valve stenosis. A doctor inserts a flexible tube called a catheter into a blood vessel and guides it into the heart.