Invited Lecture Biological Valves in Cardiac Surgery
The use of biological valves as a substitute for the diseased heart valve is not a new concept and indeed goes back to 19 62 when we inserted the first aortic valve homograft. Since that time, although mechanical valves of one type or another have been in continuous use, homo-grafts have been confined to two or three centres and it is only over the past 5–7 Years that there has been a resurgence of interest in the biological valve principle. This has chiefly been brought about by Hancocks’s foresight in commercializing the product, fixing the valve to a frame for ease of insertion, and making it readily available.
KeywordsCardiol Dura Paration Endocarditis
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