It is a decision surgeons make based on a number of factors. For example, stentless tissue valves will provide hemodynamics similar to that of native valves or mechanical valves. Stented valves may be easier to implant and normally require little or no additional training. Unlike stentless valves that are currently commercially available in aortic models only, stented tissue valves are commercially available in both aortic and mitral models.
Stented valves are widely available.
Further, St. Jude Medical is addressing the calcification and degeneration issues that have led some to question the durability of bioprosthetic valves by developing proprietary anticalcification treatments . For these and other considerations, St. Jude Medical offers a variety of tissue valve products. Inc. All Rights Reserved.