A xenograft bioprosthetic heart valve replaces a damaged valve in your heart. It’s made from tissue sourced from animals such as pigs or cows. Xenograft bioprosthetic heart valves are a treatment ...

A new type of synthetic heart valve could soon be available to help treat children living with chronic rheumatic heart disease. Researchers at Harvard University’s Wyss Institute and John A. Paulson ...

Heart valves help ensure that blood flows steadily in the right direction without backward leakage. If a person has a heart valve disorder, their valves do not work as they should. This may be due to ...

A leaky heart valve — also known as heart valve regurgitation or valve insufficiency — is a heart valve that does not close properly. As the heart pumps, some blood leaks back through the valve. The ...