A defective valve has only two leaflets, so it’s called a bicuspid valve. A recent study found that aortic valve replacement surgery has a 94 percent five-year survival rate.

By 1977 this valve had been implanted in 40,000 patients. The Lillehei-Kaster valve was manufactured by Medical Incorporated of Minneapolis, Minnesota. Location Currently not on view Credit Line Dr.

Untreated, severe tricuspid valve regurgitation can lead to a backup of blood in the right side of the heart, known as right sided heart failure. This can lead to abdominal swelling, enlarged ...