In a laboratory near Interstate 35E and Minnesota 36, Abbott Laboratories employee Teresa Tollefson peers through a microscope, dips a Q-tip in Isopropyl alcohol and gently swabs a ring the size of a ...

Former First Lady Barbara Bush and actor-comedian Robin Williams this month joined the thousands of Americans who have come to need an artificial valve implanted to regulate the blood flow out of the ...

DEAR MAYO CLINIC: My father is having issues with his aortic valve. He is 53 years old and was told he needs to have a valve replacement. I was reading that there are different types of valves. Can ...

A new Swedish study shows improved survivability in relatively young heart patients opting for mechanical valve replacement, versus those receiving the bioprosthetic version. This validates previous ...

The heart valves play a vital role in ensuring blood flows correctly through the heart and the rest of the body. If they do not function correctly, a person may require surgery to replace the damaged ...

Choosing the optimal aortic valve prosthesis for middle-aged patients (late 40s to early 60s) with aortic stenosis presents a challenge. The available options all have substantial drawbacks that must ...

Boston: Mechanical heart valves may be safer in certain cases than those made of animal tissue and should be used more as a replacement, especially in younger patients, according to a study.