CoreValve Transcatheter Aortic Heart Valve. This valve is made of natural tissue obtained from the heart of a pig. The valve leaflets are secured to a flexible, self-expanding metal frame ...

Despite guideline recommendations, the use of bioprosthetic heart valves has surpassed mechanical valves, but data from a large surgical database may lead to a reassessment of that practice.

DAVID MONTGOMERY: Aortic stenosis is a tightening of one of the four major valves of the heart. The aortic valve is particularly important because the aortic valve is the gateway to the rest of ...

About 30,000 Americans die each year when the aortic valve fails in their heart. But the current state-of-the-art approaches of using bioprosthetic or mechanical valves made of rubber and metal as ...

New 20-year data show a survival rate of 90% with few repeat surgeries after this complex operation that can only be ...

Surgeons at Auckland's Greenlane Hospital have performed eight double-valve transplants using human heart valves, a spokesman for the hospital's surgical team said today, commenting on a report that ...