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21 May 2009

Five hundred intestinal and multivisceral transplantations at a single center

KM Abu-Elmagd, G. Costa, G. Bond, K. Soltys, R. Sindhi, G. Mazariegos

Ann Transplant 2009; 14(1): 15-16 :: ID: 880250

Abstract

Background: To assess evolution of intestinal/multivisceral transplantation and therapeutic efficacy of newly developed immunosuppressive and management strategies.
Material/Methods: Over nearly two decades, divided into three eras, 453 patients received 500 visceral transplants; 215 intestine alone, 151 liver-intestine, and 134 multivisceral. Each era was defi ned by the utilized immunosuppressive protocol with tacrolimus-steroids only in era I (n=114), adjunct induction multi-drug therapy in era II (n=87), and recipient pretreatment
with Thymoglobulin/Campath and tacrolimus monotherapy with spaced dosage in era III (n=252). During eras II/III, adjunct donor bone marrow was given in 79(22%), the intestine was irradiated (7.5 Gy) in 44(12%), and Epstein-Barr-viral load was monitored. Results: Actuarial survival for total population was 85% at 1-year, 62% at 5-years, 42% at 10-years, and 35% at 15-years with graft survival of 80%, 50%, 32%, and 29%. With 10% retransplantation rate, second/third graft survival was 75% at 1-year and 57% at 5 and 10-years. There was no significant difference in survival outcome according to age, bone marrow infusion, and allograft irradiation. The liver-contained allografts had best long-term survival and lowest risk (p=0.0001) of graft loss from rejection. Both patient and graft survival has significantly (p=0.000) improved during era III with 1 and 5-year patient survival of 92% and 71%; respectively. Despite pre-transplant lymphoidepletion, era III was associated with significant reduction in morbidity (p=0.0001) and mortality (p=0.001) of post-transplant lymphoproliferative disorders.
Conclusions: The reported herein achieved survival outcomes with minimization of immunosuppression justifies lifting the level of intestinal/multivisceral transplantation to that of other abdominal organs with the potential to permanently reside in a respected place in the surgical armamentarium.

Keywords: Transplantation, Immunosuppression

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Annals of Transplantation eISSN: 2329-0358
Annals of Transplantation eISSN: 2329-0358