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Ann Thorac Surg 2006;81:56
© 2006 The Society of Thoracic Surgeons
Clinic for Cardiovascular Surgery, University Hospital, Rue du Bugnon 47, Lausanne, CH 1011 Switzerland
(Email: kirsten.schlaudraff@gmx.ch).
| The first 20% of the full text of this article appears below. |
The fact that none of the heart valve prostheses that are currently available are ideally suited for any clinical situation is well known. Looking for new materials more recently chemically-altered polyurethane (PU) has been used in artificial heart valve design, whereas the new concept of tissue-engineering has enhanced the prospects toward an ideal cardiac valve replacement. PU scaffolds are already used as vascular biomaterials due to their mechanical properties and good hemocompatibility [1]. Several studies with vascular grafts demonstrate that these are encapsulated by
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