Bioprosthetic valves are animal-derived heart valve tissue taken from a pig, cow, or horse. Sometimes, they are taken from a ...

During an average lifetime, the human heart will beat more than 2.5 ... These "lub" and "DUB" sounds are made by the heart valves as they open and close. See the valves in action.

Although heart valve problems are more common with age ... The team began testing the procedure in piglets, a close anatomical match for human children. The actual surgery itself was fairly ...

Researchers have shed new light on how a type of heart valve disease -- aortic valve stenosis -- progresses differently in males and females.

At two years of follow-up, patients with a poorly functioning tricuspid valve in the heart who received the best available ...

This combination of materials allows the valve to maintain a plasticity similar to that of a human heart. The nitinol allows the valve to collapse and regain its shape after insertion and is the ...

Like the plumbing in your house, your heart needs valves between its chambers and ... This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic to life and ...

Edwards saw the human heart as a pump ... Starr convinced Edwards they needed a successful artificial heart valve first and they agreed to embark on an ambitious project, each offering expertise ...

A study led by bioengineers at the University of California San Diego sheds new light on how a type of heart valve disease, called aortic valve stenosis, progresses differently in males and females.