Transplantation invariably creates problems in the metabolism and fuction of various organs and cells, particularly in the heart, kidney, liver and islet cells. Regardless of the type of transplanted tissue, the process of transplantation itself always triggers pathological processes within the recipient which necessitates the involvement of specialists from various other clinical disciplines. Certain biochemical and immunological processes are common to all transplantations, such as immunosuppression, potenztial graft rejection and susceptibility to infection each of which demands specific diagnostic and clinical measures. This book reviews the latest scientific developments in this important field and will be invaluable to all those working in the area of transplantation medicine.