Middle-aged adults who need an aortic valve replacement fare better with mechanical devices than with the valves made from ...

A study reveals that middle-aged adults fare better with mechanical aortic valves compared to animal tissue-based valves. The research, presented at the Society for Thoracic Surgery annual meeting, ...

The researchers reviewed data on nearly 110,000 patients who underwent surgical replacement of aortic valves between the ages of 40 and 79. They found that in those aged 60 or younger, mechanical ...

The next step is to see whether the technique will work in larger animals, such as sheep or pigs, and eventually in humans. More information: Peng Tang et al, Engineering aortic valves via ...

pressure builds up and the lungs can swell with fluid close properly and allow blood to leak back through into the atrium with a biological valve from a human donor or made from animal tissue from ...