Louisville Medicine Volume 66, Issue 8 | Page 23

PLASTIC SURGERY THE WORLD’S FIRST SUCCESSFUL HAND TRANSPLANT AT 20 YEARS: Background, Consequences and Future Gordon R. Tobin, MD; Christina Kaufman, PhD; Christopher Jones, MD T he world’s first long- term suc- cessful hand trans- plant was done in Jan- uary 1999 by a collab- orative team from the University of Louisville (UofL) and Kleinert, Kutz and Associates at Jewish Hospital. (Fig. 1) The enduring success is confirmed by the high level of function achieved, and its sustained duration –now 20 years. The event drew international attention at the time, but few then understood its larger dimensions—it was the first enduring success of a skin-bearing allograft. This breakthrough came after decades of striving, with consistent laboratory and clinical failures. These accumulated failures brought universal judgments of biologic impossibility. Also, few beyond the Louisville investigators foresaw the implications for face and other potential transplants, and even we did not imagine the full spectrum of consequences being explored today. This report will review the prior history, subsequent evolution and future potential of that landmark event of 20 years ago. BACKGROUND: THE QUEST FOR SKIN-BEARING AL- LOGRAFTS Early myths and imaginations of transplantation to restore lost body parts were of skin-bearing structures - limbs and facial parts. After World War II, British biologist Peter Medawar pursued this concept experimentally, in collaboration with Scottish plastic surgeon, Tom Gibson. This landmark work founded the field of transplantation immunology and brought Medawar a Nobel Prize and knighthood. However, no success in transplanting skin or skin-bearing structures was achieved. In the 1950s, Boston plastic surgeon Joseph Murray, MD, and colleagues pursued and achieved kidney transplants, which led to subsequent vital organ allografts, but none that carried skin. In 1957, North Carolina plastic surgeon, Erle Peacock, MD, successfully transplanted flexor tendon mechanisms, again without skin. Finally, in 1964, Ecuadorian surgeon Roberto Gilbert Elizal- de, MD, transplanted a skin-bearing structure, a hand. This was technically successful but was lost to acute rejection within three weeks. This event solidified the universally-held opinion that skin immunogenicity was so strong that it could never be overcome. THE LOUISVILLE ENGAGEMENT In the mid 1990s, an investigative team in Louisville assembled to pursue hand and face transplantation studies. It was led by Warren Breidenbach, MD, of Kleinert, Kutz and Associates, who brought the relevant expertise in upper extremity replantation of his unit. Gordon Tobin, MD, of UofL Plastic Surgery, had been exploring the anatomic challenges of face transplantation for several years prior. Jon Jones, MD, of UofL Transplantation Surgery, brought up-to-date knowledge and experience of immunosuppression. A porcine limb allograft model with all component tissues of a hand, including skin, was developed. It was transplanted and successfully maintained on modern kidney transplant-level immunosuppression. With this, the team’s efforts then evolved to propose human application. This included an intensive focus on relevant ethical issues, and consul- tations from nationally respected medical ethicists were obtained. The team was joined by Martin Klapheke, MD, a UofL transplant psychiatrist, and an intensive focus was directed to patient selection criteria. In the light of subsequent events, these elements proved essential. Before preparations in Louisville were complete, a team (continued on page 22) JANUARY 2019 21