a Dacron ® graft of appropriate diameter is sutured to the sewing ring of a commercially available stented porcine or bovine valve. More recently, 'off the shelf' stentless porcine aortic root ...

Transscatheter aortic valve replacement is a novel way to replace ... It is a trileaflet valve made from bovine pericardium in a stainless steel frame that is designed to be expanded by a balloon.

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 ...

Aortic stenosis is a condition where the aortic valve in the heart becomes narrowed ... such as those from bovine pericardium that envelops the heart and polymer mesh. These newer devices are ...