Chapter 12

Allotransplantation

Maria Siemionow

Maria Siemionow

Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL, USA

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Fatih Zor

Fatih Zor

Department of Plastic and Reconstructive Surgery, Gulhane Military Medical Academy, Ankara, Turkey

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First published: 27 March 2015

Summary

Vascularized composite allotransplantation (VCA) is the transplantation of vascularized composite tissue blocks that are derived from different embryogenic origins and across a genetic mismatch, such as hand and face transplantation. The history of VCA is an old desire of humans; however, successful clinical and experimental allotransplantations were only possible after the discovery of immunosuppression. In recent decades, various clinical and experimental VCAs have been performed, including limb, trachea, flexor tendon apparatus, penis, nerve, knee, hand, face and abdominal wall. This chapter includes basic information about the history, nomenclature and immunologic principles. Today, experimental VCA models of small and large animals constitute the workhorse of VCA research as they allow technical feasibility to be determined and the effects of various immunosuppression and immune tolerance strategies to be evaluated. In this chapter, experimental allotransplantation models and cadaver studies are summarized according to the type and content of the transplanted allograft. Finally, clinical applications of allotransplantations and functional outcomes following transplantations are discussed.

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